A basic human need for recreation is met by making open green areas public spaces,and inasmuch as they are indispensable for healthy and abled individuals in a community,the disabled also have a right to use them.Beca...A basic human need for recreation is met by making open green areas public spaces,and inasmuch as they are indispensable for healthy and abled individuals in a community,the disabled also have a right to use them.Because the disabled encounter difficulties in every area of life,parks and gardens are of great importance as they provide opportunities for them to participate in social life.Accessibility is limited in parks where the appropriate specifications for the disabled are not complied with.Under these conditions,disabled individuals are unable to benefit from recreation areas and are alienated from the social environment.The aim of this study was to assess the accessibility to the mobility impaired of park areas intended to serve all users,using the c1rp1c1 Community Gardens as an example.Within the boundaries of the area under study,the profiles of individuals with physical impairments(the walking impaired,those confined to wheelchairs,those with arm and hand disabilities)and other disabilities were identified,including provisionally disabilities(affecting the elderly,pregnant women,people with temporarily illnesses,etc.).The procedure then conducted was to fill out observational and assessment forms,using the Turkish Standards Institute’s specifications.Detailed observations were made and measurements taken so that the study area could be tested against the control list.The results indicated that in terms of the usage criteria for the disabled,there was not a large proportion of obstacles to accessibility within the sample area of study.展开更多
With coming in force of The Law of Transformation of Areas at Disaster Risks numbered 16.5.2012/6306 by Ministry of Environment and Urbanization,the concept of urban transformation has entered to our life in Turkey.Ge...With coming in force of The Law of Transformation of Areas at Disaster Risks numbered 16.5.2012/6306 by Ministry of Environment and Urbanization,the concept of urban transformation has entered to our life in Turkey.Gentrification as one of the forms of urban transformation brought the existence of liberated zones produced by neo-liberal mentality.Sulukule area(Neslisah Sultan settlement)which is subject to research is counted among“the areas to be renewed and to be put under preservation”by numbered 2006/10299 decision of Council of Ministers.Due to the shortage of lands in the city,it is observed especially in 1980s that the families in high-income group have preferred to live in horizontally expending villa towns far from the center.While these residential areas are deepening the distance from the center in time,the pressure of housing demand of middle-income people and rent circles who are not planning to leave the city center caused to have an eye on these areas which are residential areas of mostly low-income people and appeared in certain regions as they are established without infrastructure and healthy conditions.With this law,the transformation has started in the areas such as Fikirtepe,Dolapdere,Esenler,and Banks of Halic(Golden Horn)where structural life is completed,and floor area ratio has been raised to 4.0 from 2.07.Vertical housing is stimulated by adding the street between the parcels to the blocks,it has been tried to prevent the victimization of local people to unearned income.There are some quarters that,under the name of gentrification,Romany citizens who passed to permanent settlement from nomadic culture at the Ottoman era,and who are engaged in activities such as handicraft,adornments,shoe making,weaving beside the show business at Fatih Sulukule district are convicted to lodge in the houses built in suburban if they have title deed,and in jerry-built tents if they don’t have deed.Chamber of Architects,Chamber of City Planners Istanbul Branch and Roma Culture Development and Solidarity Association filed“nullity suit”and“stay of execution”.Despite the continuing judicial process,the demolition started in 2009,and starting the constructing the villas in 2010 breaking the resistance of Romany citizens,the area was victimized to rent.展开更多
Liquefaction is one of the prominent factors leading to damage to soil and structures.In this study,the rela-tionship between liquefaction potential and soil parameters is determined by applying feature importance met...Liquefaction is one of the prominent factors leading to damage to soil and structures.In this study,the rela-tionship between liquefaction potential and soil parameters is determined by applying feature importance methods to Random Forest(RF),Logistic Regression(LR),Multilayer Perceptron(MLP),Support Vector Machine(SVM)and eXtreme Gradient Boosting(XGBoost)algorithms.Feature importance methods consist of permuta-tion and Shapley Additive exPlanations(SHAP)importances along with the used model’s built-in feature importance method if it exists.These suggested approaches incorporate an extensive dataset of geotechnical parameters,historical liquefaction events,and soil properties.The feature set comprises 18 parameters that are gathered from 161 field cases.Algorithms are used to determine the optimum performance feature set.Compared to other approaches,the study assesses how well these algorithms predict soil liquefaction potential.Early findings show that the algorithms perform well,demonstrating their capacity to identify non-linear connections and improve prediction accuracy.Among the feature set,σ,v(psf),MSF,CSRσ,v,FC%,Vs*,40f t(f ps)and N1,60,CS are the ones that have the highest deterministic power on the result.The study’s contribution is that,in the absence of extensive data for liquefaction assessment,the proposed method estimates the liquefaction potential using five parameters with promising accuracy.展开更多
In this study, we proposed a rapid and sensitive method for quantification and spatial distribution of salicylic acid in film tablets using FT-Raman spectroscopy with multivariate curve resolution(MCR). For this purpo...In this study, we proposed a rapid and sensitive method for quantification and spatial distribution of salicylic acid in film tablets using FT-Raman spectroscopy with multivariate curve resolution(MCR). For this purpose, the constituents of film tablets were identified by using FT-Raman spectroscopy, and then eight different concentrations of salicylic acid tablets were visualized by Raman mapping. MCR was applied to mapping data to expose the active pharmaceutical ingredients in the presence of other excipients by monitoring distribution maps and combination of FT-Raman mapping with MCR enabled the determination of lower salicylic acid concentrations. In addition, the distribution of major excipient, lactose, was examined in the tablet form. A calibration curve was obtained by plotting the intensity of the Raman signal at 1635 cm^(-1) versus the concentration of salicylic acid and the correlation was found to be linear within the range of 0.5%–3.9% with a correlation coefficient of 0.99. The limit of detection for the technique was determined 0.35%. The ability of the technique to quantify salicylic acid in tablet test samples was also investigated.展开更多
We introduce a novel approach to multifractal data in order to achieve transcended modeling and forecasting performances by extracting time series out of local Hurst exponent calculations at a specified scale.First,th...We introduce a novel approach to multifractal data in order to achieve transcended modeling and forecasting performances by extracting time series out of local Hurst exponent calculations at a specified scale.First,the long range and co-movement dependencies of the time series are scrutinized on time-frequency space using multiple wavelet coherence analysis.Then,the multifractal behaviors of the series are verified by multifractal de-trended fluctuation analysis and its local Hurst exponents are calculated.Additionally,root mean squares of residuals at the specified scale are procured from an intermediate step during local Hurst exponent calculations.These internally calculated series have been used to estimate the process with vector autoregressive fractionally integrated moving average(VARFIMA)model and forecasted accordingly.In our study,the daily prices of gold,silver and platinum are used for assessment.The results have shown that all metals do behave in phase movement on long term periods and possess multifractal features.Furthermore,the intermediate time series obtained during local Hurst exponent calculations still appertain the co-movement as well as multifractal characteristics of the raw data and may be successfully re-scaled,modeled and forecasted by using VARFIMA model.Conclusively,VARFIMA model have notably surpassed its univariate counterpart(ARFIMA)in all efficacious trials while re-emphasizing the importance of comovement procurement in modeling.Our study’s novelty lies in using a multifractal de-trended fluctuation analysis,along with multiple wavelet coherence analysis,for forecasting purposes to an extent not seen before.The results will be of particular significance to finance researchers and practitioners.展开更多
Tricalcium phosphate Anhydrous Powder typically contains less than 10 ppm (mg/Kg) (w/w) manganese. This level can be determined utilizing Flame Atomic Absorption Spectrometer (AAS) and standard based on known standard...Tricalcium phosphate Anhydrous Powder typically contains less than 10 ppm (mg/Kg) (w/w) manganese. This level can be determined utilizing Flame Atomic Absorption Spectrometer (AAS) and standard based on known standards. A number of analytical methods are presently used for the analysis of metals in the biochemical. The instrumental techniques available are Inductively Coupled Plasma (ICP/MS), X-Ray Fluorescence, UV-VIS Spectrophotometry, and Atomic Absorption Spectrometry. Flame AA has gained widespread acceptance as an analytical technique and is used for many applications. In this study, we have determined the amount of manganese metal present in Tricalcium Phosphate (TCP) using Flame Atomic Absorption Spectrophotometer. The method has high precision and accuracy. The percent recovery was found to be 99.8% for spiked sample. The results meet the requirement.展开更多
This paper is concerned with the earthquake analysis of suspension bridges, in which the effects of large deflections are taken into account. The first part of the study deals with an iteration scheme for the nonlinea...This paper is concerned with the earthquake analysis of suspension bridges, in which the effects of large deflections are taken into account. The first part of the study deals with an iteration scheme for the nonlinear static analysis of suspension bridges by means of tangent stiffness matrices. The concept of tangent stiffness matrix is then introduced in the frequency equation governing the free vibration of the system. At any equilibrium stage, the vibrations are assumed to take place tangent to the curve representing the force-deflection characteristics of the structure. The bridge is idealized as a three dimensional lumped mass system and subjected to three orthogonal components of earthquake ground motion producing horizontal, vertical and torsional oscillations. By this means a realistic appraisal is achieved for torsional response as well as for the other types of vibration. The modal response spectrum technique is applied to evaluate the seismic loading for the combination of these vibrations. Various numerical examples are introduced in order to demonstrate the method of analysis. The procedure described enables the designer to evaluate the nonlinear dynamic response of suspension bridges in a systematic manner.展开更多
Seismic wave amplification study is conducted for the town of Avcilar, Istanbul, located at about 120 kilometers west of the epicenter of the Kocaeli earthquake of August 17, 1999. The soil data is obtained from the l...Seismic wave amplification study is conducted for the town of Avcilar, Istanbul, located at about 120 kilometers west of the epicenter of the Kocaeli earthquake of August 17, 1999. The soil data is obtained from the literature published earlier by various researchers. It is determined, through the use of well known computer program Shake 2000, that the three major predominant periods of the ground are, 1.60, 1.00 and 0.70 s, respectively. Thus, the reasons of extensive damages occurred to 6 to 8 storey high residential buildings in the region, may be attributed to both the long distance effects of the high period waves of the earthquake and soil amplification.展开更多
The paper intends to analyze economic factors that influence electricity consumption in the OECD economies. A special interest in this context is given to spillover effects of trade on electricity consumption. For thi...The paper intends to analyze economic factors that influence electricity consumption in the OECD economies. A special interest in this context is given to spillover effects of trade on electricity consumption. For this purpose, a model is constructed that using a dynamic panel study approach. The model is estimated in a GMM framework in which a dynamic procedure is conducted along the balanced growth path for electricity consumption in each economy. In advance, the long run dynamic behavior of prices, GDP, and trade induced spillover variables is determined. In a further step, the short run dynamic mechanism is pursued by estimating the partial adjustment dynamic coefficient on the target level of electricity consumption. The analysis is conducted for industrial, as well as residential electricity consumption. Alternatively, the same procedure is estimated by the application of a fixed period model. The model provides a benchmark tool for electricity policy decisions and for electricity consumption projections.展开更多
The environmental and energy problems that have arisen in Turkey because of the dramatically increase in energy consumption require the implementation of energy efficiency and microgeneration measures in the building ...The environmental and energy problems that have arisen in Turkey because of the dramatically increase in energy consumption require the implementation of energy efficiency and microgeneration measures in the building sector which is the main sector of primary energy consumption. Since Turkey is highly dependent on exported energy resources, the basic energy policy approach is based on providing the supply security. In this regard, supporting for in situ energy production, encouraging the use of renewable energy sources and the systems such as microgeneration systems in order to meet the energy requirements of buildings would be considered as a key measure for resolving the energy related challenges of Turkey and dealing with the sustainability issues. Turkey’s geographical location has several advantages for extensive use of most of the renewable energy sources such as especially solar energy. However, this huge solar energy potential is not being used sufficiently in residential building sector which is responsible for the great energy consumption of Turkey. Therefore, this paper aims to introduce a study which investigates, on a life cycle basis, the environmental and the economic sustainability of solar Photovoltaic (PV) microgenerators to promote the implementation of this system as an option for the renovation of existing residential buildings in Turkey. In this study, main parameters which were related to the distribution of modules to be installed in flat roofs and facades and the evaluation of the PV systems were taken into account. The effect of these parameters on energy generation of PV systems was analyzed in a case study considering different climate zones of Turkey;and the decrease in the existing energy consumption of the reference building was calculated.展开更多
This editorial article is intended to perform a discussion on the manuscript entitled“Simultaneous portal vein thrombosis and splenic vein thrombosis in a COVID-19 patient:A case report and review of literature”writ...This editorial article is intended to perform a discussion on the manuscript entitled“Simultaneous portal vein thrombosis and splenic vein thrombosis in a COVID-19 patient:A case report and review of literature”written by Abramowitz et al.The article focuses on the diagnostic processes in a 77-year-old-male patient with a simultaneous portal vein and splenic artery thrombosis accompanying coronavirus disease 2019(COVID-19).The authors postulated that splanchnic thrombosis should be on the list of differential diagnoses in a patient presenting with abdominal pain in presence of a COVID-19 infection.The tendency for venous and arterial thrombosis in COVID-19 patients is encountered,largely attributed to hypercoagulopathy.In general,venous thromboembolism mostly manifest as deep vein thrombosis(DVT),pulmonary embolism(PE)or catheterrelated thromboembolic events.Acute PE,DVT,cerebrovascular events and myocardial infarction are seen as the most common thromboembolic complications in COVID-19 patients.COVID-19-associated hemostatic abnormalities include mild thrombocytopenia and increased D-dimer level.Similar to other coagulopathies,the treatment of the underlying condition is the mainstay.Addition of antiplatelet agents can be considered in critically ill patients at low bleeding risk,not on therapeutic anticoagulation,and receiving gastric acid suppression Early administration of antithrombotic drugs will have a beneficial effect in both the prevention and treatment of thrombotic events,especially in non-ambulatory patients.Low molecular weight heparin(LMWH)should be started if there is no contraindication,including in non-critical patients who are at risk of hospitalization LMWH(enoxaparin)is preferred to standard heparin.展开更多
An effective rapid assessment technique, called ＂P25 Scoring Method＂, has been developed and tested on 26 different case studies recently, in order to predict the collapse vulnerability of the R/C buildings. After a...An effective rapid assessment technique, called ＂P25 Scoring Method＂, has been developed and tested on 26 different case studies recently, in order to predict the collapse vulnerability of the R/C buildings. After a short description of the approach, the study presents the sensitivity study of the method to the selected structural parameters by considering incremental deviation of the final scores from the base model. Further, the methodology was applied to an additional 100 damaged buildings in order to check the reliability of the method and some necessary modifications have been applied to the algorithm after considering this larger database. The evaluation of the results has been interpreted as a beneficial guidance for local authorities. The risk bands are defined according to the final scores and the effect of changing the band-width has also been studied through a safe but an economical procedure. A satisfactory correlation of the method with real damage states is obtained and a ready-to-use methodology has been introduced for future studies.展开更多
This study investigated the impact of foreign direct investment on economic growth in Nigeria. Secondary source of data was employed in this study from 1986 to 2017 which were sourced from Central Bank of Nigeria Stat...This study investigated the impact of foreign direct investment on economic growth in Nigeria. Secondary source of data was employed in this study from 1986 to 2017 which were sourced from Central Bank of Nigeria Statistical Bulletin (2017) published in 2018 and World Development Indicator published in 2019. Descriptive and regression analyses were used as the estimation techniques. The findings of the study revealed that the coefficient value of LFDI is 0.633506 and its p-value is 0.0002 implying that a unit increase in LFDI will increase LGDP with the value of 0.633506. The coefficient value of RINTR is 0.004127 with p-value of 0.310 indicating that a unit increase in real interest rate will increase gross domestic product, but it is not significant. Also, LDI coefficient value is 1.758036 with p-value of 0.0688 implying that a unit increase in domestic investment will increase gross domestic product positively with the value of 1.758036 which is significant at 10% but not significant at 5% alpha level. The coefficient value of exchange rate is 0.835206 with the p-value of 0.0000 signifying that exchange rate is positive and significant to economic growth. It was concluded that foreign direct investment was positive and significant to economic growth of Nigeria while the domestic investment was also positive but not significant at 5% alpha level.展开更多
The objective of this study is to define park design standards,determine the user expectations of the parks and evaluate the defined standards in the case of Taraqi Park in Herat city.On-site detection,observation and...The objective of this study is to define park design standards,determine the user expectations of the parks and evaluate the defined standards in the case of Taraqi Park in Herat city.On-site detection,observation and questionnaire survey methods were utilized in the study.The conformity of the park area with international standards were evaluated while general satisfaction towards the park was tried to be determined by virtue of surveys made with the users of the park.The results revealed that the current status of the park was poor,design and management of the park needs urgent improvements.Taraqi Park is the most visited park of the city in which the overall design of the park,facilities,management and maintenance systems are observed inadequate according to standards,rules and regulations of urban parks.展开更多
The percent ammonia nitrogen was determined in Passaic River waste water using Ion-Selective Electrode EPA Method 350.3. The intelligent ammonia sensor integrates ammonia electrode, pH electrode and Ammonia Ion electr...The percent ammonia nitrogen was determined in Passaic River waste water using Ion-Selective Electrode EPA Method 350.3. The intelligent ammonia sensor integrates ammonia electrode, pH electrode and Ammonia Ion electrode together to realize the in situ detection of ammonia. The test results have shown that the sensor is easy operation, low cost and no pollution. The ammonia is determined potentiometrically using an ammonia ion selective electrode and a pH/mV meter, having an expanded millivolt scale. The ammonia selective electrode uses a hydrophobic gas-permeable membrane to separate the sample solution from an electrode internal solution of ammonium chloride. Dissolved ammonia is converted to NH<sub>3</sub> gas by raising the pH to above 11.0 with a strong base. NH<sub>3</sub> gas diffuses the membrane and changes the internal solution pH that is sensed by the electrode. In single laboratory test results have been found 1.001 NH<sub>3</sub>-/L and 0.897 mg NH<sub>3</sub>-N/L, recoveries were 77.3% and 83.1%, respectively.展开更多
School is a special place where students come together to become productive individuals of society,acquire basic skills and acquire citizenship knowledge.With the introduction of the new education system(4+4+4)in Turk...School is a special place where students come together to become productive individuals of society,acquire basic skills and acquire citizenship knowledge.With the introduction of the new education system(4+4+4)in Turkey in 2012-2013,some difficulties occurred in the spatial structure of the schools.After the new system,increasing number of students and decreasing student requirements have been tried to be solved with temporary solutions.At the same time that millions of students studying in primary schools all over Turkey have the same architectural feature as one type of architectural school project,regardless of the geographical and social situation began to be implemented in all parts of the city.Therefore,the increase in consumption varies depending on the geographical reasons where the type projects are implemented.Selected regions of the four thermal zones in Turkey for this research are provided below:1^st Thermal district in Antalya;2^nd Thermal district in Bursa;3^rd Thermal district in Elaz??;4^th Thermal district in Kars.The calculation of the energy consumption created by the above cities by means of BEP-TR program and comparing classes.展开更多
Today,on the one hand,while the traditional design process continues,on the other hand,digital design systems along with advances in computer technologies continue to present designers with new and effective ideas.Par...Today,on the one hand,while the traditional design process continues,on the other hand,digital design systems along with advances in computer technologies continue to present designers with new and effective ideas.Parametric design is preferred by designers for its relationality,contributing toward versatility,ensuring flexibility,simplifying diversification,and for presenting programmatic solutions.As is seen in a number of areas,we have also begun to encounter the use of parametric designs produced with parametric design systems and wooden materials in urban landscaping.The purpose of this study is to examine the upper cover application and seating elements generated by taking advantage of parametric designs from wooden construction materials in urban landscaping areas,and examine the impact of wooden material characteristics while generating behavior and parametric structures of technologies.After researching parametric design and wooden material concepts,an attempt was made to reach conclusions through analyses conducted by examining parametric wooden designed pavilion and seating element specimens applied in various regions of the world.展开更多
While creating structural model,it is required that evaluation different and various alternative scenarios to provide sustainable conditions for the environment,and nature besides that structures have characteristics ...While creating structural model,it is required that evaluation different and various alternative scenarios to provide sustainable conditions for the environment,and nature besides that structures have characteristics as strength and serviceability.However,this process needs extremely long times together with much effort to find out the desired properties.Concordantly,optimization technologies can be evaluated to use in overcoming the mentioned disadvantages.Regarding this,in this study,reinforced concrete cylindrical wall was dealt for generating an optimum structure by providing cost-minimization besides making possible eco-friendly design conditions.The best structural models were also evaluated according to variable concrete strengths and wall heights in separate cases as single and multi-objective ones.Meanwhile,a metaheuristic method as flower pollination algorithm was handled to detect the best values of structural parameters including total reinforcement and concrete amount,appropriate spacing between reinforcements,etc.Also,a different optimization methodology was applied for reinforced concrete structures in order to evaluate different aims,like both sustainability and economic conditions,besides independent objectives.In this respect,the minimum cost,and CO_(2) can be determined together for different structural parameters like concrete compressive strength,wall height,etc.By this regard,multi-objective optimization processes can be utilized to investigate different structural models in order to focus on fundamental purposes like minimum cost,and emission values besides maximum seismic safety of structures.展开更多
This study simulates wind effects on a standard tall building model as specified bythe Commonwealth Advisory Aeronautical Council (CAARC). We generated data to enhanceliving conditions through passive flow control, wh...This study simulates wind effects on a standard tall building model as specified bythe Commonwealth Advisory Aeronautical Council (CAARC). We generated data to enhanceliving conditions through passive flow control, which mitigates building weathering, reduceswind loads, and improves energy efficiency and natural ventilation. The research also aidsbuilding designers with robust numerical predictions. The validity of these results wasconfirmed by comparing drag coefficient (CD) values with those from previous studies. The findings demonstrate that passive flow control significantly reduces wind-induced drag forces onthe building at various angles of attack (a) by altering wind-induced pressures, reducingvorticity, and decreasing vortex shedding magnitudes. The objective was to identify theoptimal placement of segmented cladding materials with desired gaps between segments toallow airflow to influence temperature variations when exposed to wind at 293 K and a heatflux of 500 W/m^(2) at wind speeds of 1, 2, and 4 m/s (Reynolds numbers of 5.2×10^(3),10.4×10^(3), and 20.8×10^(3)). Using 2D numerical analysis, twenty-four different facade andbuilding model combinations were simulated. This study offers practical guidance on facadeselection and positioning to optimize wind resistance and enhance the livability and functionality of building environments.展开更多
文摘A basic human need for recreation is met by making open green areas public spaces,and inasmuch as they are indispensable for healthy and abled individuals in a community,the disabled also have a right to use them.Because the disabled encounter difficulties in every area of life,parks and gardens are of great importance as they provide opportunities for them to participate in social life.Accessibility is limited in parks where the appropriate specifications for the disabled are not complied with.Under these conditions,disabled individuals are unable to benefit from recreation areas and are alienated from the social environment.The aim of this study was to assess the accessibility to the mobility impaired of park areas intended to serve all users,using the c1rp1c1 Community Gardens as an example.Within the boundaries of the area under study,the profiles of individuals with physical impairments(the walking impaired,those confined to wheelchairs,those with arm and hand disabilities)and other disabilities were identified,including provisionally disabilities(affecting the elderly,pregnant women,people with temporarily illnesses,etc.).The procedure then conducted was to fill out observational and assessment forms,using the Turkish Standards Institute’s specifications.Detailed observations were made and measurements taken so that the study area could be tested against the control list.The results indicated that in terms of the usage criteria for the disabled,there was not a large proportion of obstacles to accessibility within the sample area of study.
文摘With coming in force of The Law of Transformation of Areas at Disaster Risks numbered 16.5.2012/6306 by Ministry of Environment and Urbanization,the concept of urban transformation has entered to our life in Turkey.Gentrification as one of the forms of urban transformation brought the existence of liberated zones produced by neo-liberal mentality.Sulukule area(Neslisah Sultan settlement)which is subject to research is counted among“the areas to be renewed and to be put under preservation”by numbered 2006/10299 decision of Council of Ministers.Due to the shortage of lands in the city,it is observed especially in 1980s that the families in high-income group have preferred to live in horizontally expending villa towns far from the center.While these residential areas are deepening the distance from the center in time,the pressure of housing demand of middle-income people and rent circles who are not planning to leave the city center caused to have an eye on these areas which are residential areas of mostly low-income people and appeared in certain regions as they are established without infrastructure and healthy conditions.With this law,the transformation has started in the areas such as Fikirtepe,Dolapdere,Esenler,and Banks of Halic(Golden Horn)where structural life is completed,and floor area ratio has been raised to 4.0 from 2.07.Vertical housing is stimulated by adding the street between the parcels to the blocks,it has been tried to prevent the victimization of local people to unearned income.There are some quarters that,under the name of gentrification,Romany citizens who passed to permanent settlement from nomadic culture at the Ottoman era,and who are engaged in activities such as handicraft,adornments,shoe making,weaving beside the show business at Fatih Sulukule district are convicted to lodge in the houses built in suburban if they have title deed,and in jerry-built tents if they don’t have deed.Chamber of Architects,Chamber of City Planners Istanbul Branch and Roma Culture Development and Solidarity Association filed“nullity suit”and“stay of execution”.Despite the continuing judicial process,the demolition started in 2009,and starting the constructing the villas in 2010 breaking the resistance of Romany citizens,the area was victimized to rent.
文摘Liquefaction is one of the prominent factors leading to damage to soil and structures.In this study,the rela-tionship between liquefaction potential and soil parameters is determined by applying feature importance methods to Random Forest(RF),Logistic Regression(LR),Multilayer Perceptron(MLP),Support Vector Machine(SVM)and eXtreme Gradient Boosting(XGBoost)algorithms.Feature importance methods consist of permuta-tion and Shapley Additive exPlanations(SHAP)importances along with the used model’s built-in feature importance method if it exists.These suggested approaches incorporate an extensive dataset of geotechnical parameters,historical liquefaction events,and soil properties.The feature set comprises 18 parameters that are gathered from 161 field cases.Algorithms are used to determine the optimum performance feature set.Compared to other approaches,the study assesses how well these algorithms predict soil liquefaction potential.Early findings show that the algorithms perform well,demonstrating their capacity to identify non-linear connections and improve prediction accuracy.Among the feature set,σ,v(psf),MSF,CSRσ,v,FC%,Vs*,40f t(f ps)and N1,60,CS are the ones that have the highest deterministic power on the result.The study’s contribution is that,in the absence of extensive data for liquefaction assessment,the proposed method estimates the liquefaction potential using five parameters with promising accuracy.
基金supported by grant from Gazi University, Project no: 02/2012-27
文摘In this study, we proposed a rapid and sensitive method for quantification and spatial distribution of salicylic acid in film tablets using FT-Raman spectroscopy with multivariate curve resolution(MCR). For this purpose, the constituents of film tablets were identified by using FT-Raman spectroscopy, and then eight different concentrations of salicylic acid tablets were visualized by Raman mapping. MCR was applied to mapping data to expose the active pharmaceutical ingredients in the presence of other excipients by monitoring distribution maps and combination of FT-Raman mapping with MCR enabled the determination of lower salicylic acid concentrations. In addition, the distribution of major excipient, lactose, was examined in the tablet form. A calibration curve was obtained by plotting the intensity of the Raman signal at 1635 cm^(-1) versus the concentration of salicylic acid and the correlation was found to be linear within the range of 0.5%–3.9% with a correlation coefficient of 0.99. The limit of detection for the technique was determined 0.35%. The ability of the technique to quantify salicylic acid in tablet test samples was also investigated.
文摘We introduce a novel approach to multifractal data in order to achieve transcended modeling and forecasting performances by extracting time series out of local Hurst exponent calculations at a specified scale.First,the long range and co-movement dependencies of the time series are scrutinized on time-frequency space using multiple wavelet coherence analysis.Then,the multifractal behaviors of the series are verified by multifractal de-trended fluctuation analysis and its local Hurst exponents are calculated.Additionally,root mean squares of residuals at the specified scale are procured from an intermediate step during local Hurst exponent calculations.These internally calculated series have been used to estimate the process with vector autoregressive fractionally integrated moving average(VARFIMA)model and forecasted accordingly.In our study,the daily prices of gold,silver and platinum are used for assessment.The results have shown that all metals do behave in phase movement on long term periods and possess multifractal features.Furthermore,the intermediate time series obtained during local Hurst exponent calculations still appertain the co-movement as well as multifractal characteristics of the raw data and may be successfully re-scaled,modeled and forecasted by using VARFIMA model.Conclusively,VARFIMA model have notably surpassed its univariate counterpart(ARFIMA)in all efficacious trials while re-emphasizing the importance of comovement procurement in modeling.Our study’s novelty lies in using a multifractal de-trended fluctuation analysis,along with multiple wavelet coherence analysis,for forecasting purposes to an extent not seen before.The results will be of particular significance to finance researchers and practitioners.
文摘Tricalcium phosphate Anhydrous Powder typically contains less than 10 ppm (mg/Kg) (w/w) manganese. This level can be determined utilizing Flame Atomic Absorption Spectrometer (AAS) and standard based on known standards. A number of analytical methods are presently used for the analysis of metals in the biochemical. The instrumental techniques available are Inductively Coupled Plasma (ICP/MS), X-Ray Fluorescence, UV-VIS Spectrophotometry, and Atomic Absorption Spectrometry. Flame AA has gained widespread acceptance as an analytical technique and is used for many applications. In this study, we have determined the amount of manganese metal present in Tricalcium Phosphate (TCP) using Flame Atomic Absorption Spectrophotometer. The method has high precision and accuracy. The percent recovery was found to be 99.8% for spiked sample. The results meet the requirement.
文摘This paper is concerned with the earthquake analysis of suspension bridges, in which the effects of large deflections are taken into account. The first part of the study deals with an iteration scheme for the nonlinear static analysis of suspension bridges by means of tangent stiffness matrices. The concept of tangent stiffness matrix is then introduced in the frequency equation governing the free vibration of the system. At any equilibrium stage, the vibrations are assumed to take place tangent to the curve representing the force-deflection characteristics of the structure. The bridge is idealized as a three dimensional lumped mass system and subjected to three orthogonal components of earthquake ground motion producing horizontal, vertical and torsional oscillations. By this means a realistic appraisal is achieved for torsional response as well as for the other types of vibration. The modal response spectrum technique is applied to evaluate the seismic loading for the combination of these vibrations. Various numerical examples are introduced in order to demonstrate the method of analysis. The procedure described enables the designer to evaluate the nonlinear dynamic response of suspension bridges in a systematic manner.
文摘Seismic wave amplification study is conducted for the town of Avcilar, Istanbul, located at about 120 kilometers west of the epicenter of the Kocaeli earthquake of August 17, 1999. The soil data is obtained from the literature published earlier by various researchers. It is determined, through the use of well known computer program Shake 2000, that the three major predominant periods of the ground are, 1.60, 1.00 and 0.70 s, respectively. Thus, the reasons of extensive damages occurred to 6 to 8 storey high residential buildings in the region, may be attributed to both the long distance effects of the high period waves of the earthquake and soil amplification.
文摘The paper intends to analyze economic factors that influence electricity consumption in the OECD economies. A special interest in this context is given to spillover effects of trade on electricity consumption. For this purpose, a model is constructed that using a dynamic panel study approach. The model is estimated in a GMM framework in which a dynamic procedure is conducted along the balanced growth path for electricity consumption in each economy. In advance, the long run dynamic behavior of prices, GDP, and trade induced spillover variables is determined. In a further step, the short run dynamic mechanism is pursued by estimating the partial adjustment dynamic coefficient on the target level of electricity consumption. The analysis is conducted for industrial, as well as residential electricity consumption. Alternatively, the same procedure is estimated by the application of a fixed period model. The model provides a benchmark tool for electricity policy decisions and for electricity consumption projections.
文摘The environmental and energy problems that have arisen in Turkey because of the dramatically increase in energy consumption require the implementation of energy efficiency and microgeneration measures in the building sector which is the main sector of primary energy consumption. Since Turkey is highly dependent on exported energy resources, the basic energy policy approach is based on providing the supply security. In this regard, supporting for in situ energy production, encouraging the use of renewable energy sources and the systems such as microgeneration systems in order to meet the energy requirements of buildings would be considered as a key measure for resolving the energy related challenges of Turkey and dealing with the sustainability issues. Turkey’s geographical location has several advantages for extensive use of most of the renewable energy sources such as especially solar energy. However, this huge solar energy potential is not being used sufficiently in residential building sector which is responsible for the great energy consumption of Turkey. Therefore, this paper aims to introduce a study which investigates, on a life cycle basis, the environmental and the economic sustainability of solar Photovoltaic (PV) microgenerators to promote the implementation of this system as an option for the renovation of existing residential buildings in Turkey. In this study, main parameters which were related to the distribution of modules to be installed in flat roofs and facades and the evaluation of the PV systems were taken into account. The effect of these parameters on energy generation of PV systems was analyzed in a case study considering different climate zones of Turkey;and the decrease in the existing energy consumption of the reference building was calculated.
文摘This editorial article is intended to perform a discussion on the manuscript entitled“Simultaneous portal vein thrombosis and splenic vein thrombosis in a COVID-19 patient:A case report and review of literature”written by Abramowitz et al.The article focuses on the diagnostic processes in a 77-year-old-male patient with a simultaneous portal vein and splenic artery thrombosis accompanying coronavirus disease 2019(COVID-19).The authors postulated that splanchnic thrombosis should be on the list of differential diagnoses in a patient presenting with abdominal pain in presence of a COVID-19 infection.The tendency for venous and arterial thrombosis in COVID-19 patients is encountered,largely attributed to hypercoagulopathy.In general,venous thromboembolism mostly manifest as deep vein thrombosis(DVT),pulmonary embolism(PE)or catheterrelated thromboembolic events.Acute PE,DVT,cerebrovascular events and myocardial infarction are seen as the most common thromboembolic complications in COVID-19 patients.COVID-19-associated hemostatic abnormalities include mild thrombocytopenia and increased D-dimer level.Similar to other coagulopathies,the treatment of the underlying condition is the mainstay.Addition of antiplatelet agents can be considered in critically ill patients at low bleeding risk,not on therapeutic anticoagulation,and receiving gastric acid suppression Early administration of antithrombotic drugs will have a beneficial effect in both the prevention and treatment of thrombotic events,especially in non-ambulatory patients.Low molecular weight heparin(LMWH)should be started if there is no contraindication,including in non-critical patients who are at risk of hospitalization LMWH(enoxaparin)is preferred to standard heparin.
文摘An effective rapid assessment technique, called ＂P25 Scoring Method＂, has been developed and tested on 26 different case studies recently, in order to predict the collapse vulnerability of the R/C buildings. After a short description of the approach, the study presents the sensitivity study of the method to the selected structural parameters by considering incremental deviation of the final scores from the base model. Further, the methodology was applied to an additional 100 damaged buildings in order to check the reliability of the method and some necessary modifications have been applied to the algorithm after considering this larger database. The evaluation of the results has been interpreted as a beneficial guidance for local authorities. The risk bands are defined according to the final scores and the effect of changing the band-width has also been studied through a safe but an economical procedure. A satisfactory correlation of the method with real damage states is obtained and a ready-to-use methodology has been introduced for future studies.
文摘This study investigated the impact of foreign direct investment on economic growth in Nigeria. Secondary source of data was employed in this study from 1986 to 2017 which were sourced from Central Bank of Nigeria Statistical Bulletin (2017) published in 2018 and World Development Indicator published in 2019. Descriptive and regression analyses were used as the estimation techniques. The findings of the study revealed that the coefficient value of LFDI is 0.633506 and its p-value is 0.0002 implying that a unit increase in LFDI will increase LGDP with the value of 0.633506. The coefficient value of RINTR is 0.004127 with p-value of 0.310 indicating that a unit increase in real interest rate will increase gross domestic product, but it is not significant. Also, LDI coefficient value is 1.758036 with p-value of 0.0688 implying that a unit increase in domestic investment will increase gross domestic product positively with the value of 1.758036 which is significant at 10% but not significant at 5% alpha level. The coefficient value of exchange rate is 0.835206 with the p-value of 0.0000 signifying that exchange rate is positive and significant to economic growth. It was concluded that foreign direct investment was positive and significant to economic growth of Nigeria while the domestic investment was also positive but not significant at 5% alpha level.
文摘The objective of this study is to define park design standards,determine the user expectations of the parks and evaluate the defined standards in the case of Taraqi Park in Herat city.On-site detection,observation and questionnaire survey methods were utilized in the study.The conformity of the park area with international standards were evaluated while general satisfaction towards the park was tried to be determined by virtue of surveys made with the users of the park.The results revealed that the current status of the park was poor,design and management of the park needs urgent improvements.Taraqi Park is the most visited park of the city in which the overall design of the park,facilities,management and maintenance systems are observed inadequate according to standards,rules and regulations of urban parks.
文摘The percent ammonia nitrogen was determined in Passaic River waste water using Ion-Selective Electrode EPA Method 350.3. The intelligent ammonia sensor integrates ammonia electrode, pH electrode and Ammonia Ion electrode together to realize the in situ detection of ammonia. The test results have shown that the sensor is easy operation, low cost and no pollution. The ammonia is determined potentiometrically using an ammonia ion selective electrode and a pH/mV meter, having an expanded millivolt scale. The ammonia selective electrode uses a hydrophobic gas-permeable membrane to separate the sample solution from an electrode internal solution of ammonium chloride. Dissolved ammonia is converted to NH<sub>3</sub> gas by raising the pH to above 11.0 with a strong base. NH<sub>3</sub> gas diffuses the membrane and changes the internal solution pH that is sensed by the electrode. In single laboratory test results have been found 1.001 NH<sub>3</sub>-/L and 0.897 mg NH<sub>3</sub>-N/L, recoveries were 77.3% and 83.1%, respectively.
文摘School is a special place where students come together to become productive individuals of society,acquire basic skills and acquire citizenship knowledge.With the introduction of the new education system(4+4+4)in Turkey in 2012-2013,some difficulties occurred in the spatial structure of the schools.After the new system,increasing number of students and decreasing student requirements have been tried to be solved with temporary solutions.At the same time that millions of students studying in primary schools all over Turkey have the same architectural feature as one type of architectural school project,regardless of the geographical and social situation began to be implemented in all parts of the city.Therefore,the increase in consumption varies depending on the geographical reasons where the type projects are implemented.Selected regions of the four thermal zones in Turkey for this research are provided below:1^st Thermal district in Antalya;2^nd Thermal district in Bursa;3^rd Thermal district in Elaz??;4^th Thermal district in Kars.The calculation of the energy consumption created by the above cities by means of BEP-TR program and comparing classes.
文摘Today,on the one hand,while the traditional design process continues,on the other hand,digital design systems along with advances in computer technologies continue to present designers with new and effective ideas.Parametric design is preferred by designers for its relationality,contributing toward versatility,ensuring flexibility,simplifying diversification,and for presenting programmatic solutions.As is seen in a number of areas,we have also begun to encounter the use of parametric designs produced with parametric design systems and wooden materials in urban landscaping.The purpose of this study is to examine the upper cover application and seating elements generated by taking advantage of parametric designs from wooden construction materials in urban landscaping areas,and examine the impact of wooden material characteristics while generating behavior and parametric structures of technologies.After researching parametric design and wooden material concepts,an attempt was made to reach conclusions through analyses conducted by examining parametric wooden designed pavilion and seating element specimens applied in various regions of the world.
文摘While creating structural model,it is required that evaluation different and various alternative scenarios to provide sustainable conditions for the environment,and nature besides that structures have characteristics as strength and serviceability.However,this process needs extremely long times together with much effort to find out the desired properties.Concordantly,optimization technologies can be evaluated to use in overcoming the mentioned disadvantages.Regarding this,in this study,reinforced concrete cylindrical wall was dealt for generating an optimum structure by providing cost-minimization besides making possible eco-friendly design conditions.The best structural models were also evaluated according to variable concrete strengths and wall heights in separate cases as single and multi-objective ones.Meanwhile,a metaheuristic method as flower pollination algorithm was handled to detect the best values of structural parameters including total reinforcement and concrete amount,appropriate spacing between reinforcements,etc.Also,a different optimization methodology was applied for reinforced concrete structures in order to evaluate different aims,like both sustainability and economic conditions,besides independent objectives.In this respect,the minimum cost,and CO_(2) can be determined together for different structural parameters like concrete compressive strength,wall height,etc.By this regard,multi-objective optimization processes can be utilized to investigate different structural models in order to focus on fundamental purposes like minimum cost,and emission values besides maximum seismic safety of structures.
基金funded by the Key Research and Development Program of Sichuan Province(No.2023YFWZ0008).
文摘This study simulates wind effects on a standard tall building model as specified bythe Commonwealth Advisory Aeronautical Council (CAARC). We generated data to enhanceliving conditions through passive flow control, which mitigates building weathering, reduceswind loads, and improves energy efficiency and natural ventilation. The research also aidsbuilding designers with robust numerical predictions. The validity of these results wasconfirmed by comparing drag coefficient (CD) values with those from previous studies. The findings demonstrate that passive flow control significantly reduces wind-induced drag forces onthe building at various angles of attack (a) by altering wind-induced pressures, reducingvorticity, and decreasing vortex shedding magnitudes. The objective was to identify theoptimal placement of segmented cladding materials with desired gaps between segments toallow airflow to influence temperature variations when exposed to wind at 293 K and a heatflux of 500 W/m^(2) at wind speeds of 1, 2, and 4 m/s (Reynolds numbers of 5.2×10^(3),10.4×10^(3), and 20.8×10^(3)). Using 2D numerical analysis, twenty-four different facade andbuilding model combinations were simulated. This study offers practical guidance on facadeselection and positioning to optimize wind resistance and enhance the livability and functionality of building environments.
