Wearable electronics incorporating proteins for biocompatibility have garnered significant research attention,given their potential applications in biocompatible medical devices,artificial skin,humanoid robots,and oth...Wearable electronics incorporating proteins for biocompatibility have garnered significant research attention,given their potential applications in biocompatible medical devices,artificial skin,humanoid robots,and other fields.However,a notable challenge exists,as many wearable electronics currently lack those essential properties due to issues such as non-biological compatibility,as well as insufficient mechanical and conductive performance.Here,we have developed a hybrid keratin(KE)hydrogel by incorporating a liquid metal(LM,eutectic gallium-indium alloy)to design a wearable electronic device with excellent biocompatibility,enhanced conductivity,and good mechanical properties.The resulting keratin liquid metal(KELM)hydrogel demonstrates favorable mechanical characteristics,including good tensile strength(166 kPa),impressive stretchability(2600%),and long-term stability.Furthermore,it exhibits good conductivity(6.84 S·m^(-1))and sensitivity as a sensing material(gauge factor(GF)=7.03),rendering it suitable for constructing high-performance strain sensors.Notably,the KELM hydrogel-based wearable electronics extend their functionality to monitoring marine inhabitants'health.This innovative application provides new insights for designing the next generation of biomimetic electronic devices,with potential applications in human-machine interfaces,electronic skin,artificial intelligence,and health monitoring.展开更多
Township and Village Health Services Integration Management（TVHSIM） is an essential form of China＇s two-tiered health service integration plan at the township and village level. Its main purpose, also one of the ta...Township and Village Health Services Integration Management（TVHSIM） is an essential form of China＇s two-tiered health service integration plan at the township and village level. Its main purpose, also one of the target goals in China＇s new healthcare reform, is to gradually integrate rural health services and appropriately allocate rural health resources. This study aims to assess the village doctors＇ satisfaction with the TVHSIM and provide scientific base to further improve TVHSIM. A cross-sectional study was carried out in which 162 village doctors from Qinghai, Inner Mongolia and Xinjiang in western China were interviewed. Descriptive analysis, independent t-test, one-way ANOVA, Spearman rank correlation and multiple linear regression were used to analyze the difference and relevance between village doctors＇ personal characteristics and their satisfaction with TVHSIM and six subscales. Village doctors with different years of practice, social insurance status and essential medical knowledge level showed statistically significant differences in their satisfaction levels（all P〈0.05）. Age（P〈0.05） and years of practice（P〈0.01） were negatively correlated with Drug and Medical Device Management and Financing Management. Essential medical knowledge level（P〈0.05） was negatively correlated with Operations Management as well. However, social insurance status（P〈0.05） was positively correlated with Human Resources Management and Drug and Medical Device management. Gender, age and years of practice respectively had significant influence on village doctors＇ satisfaction with TVHSIM（P〈0.01）. In conclusion, in order to further promote TVHSIM policy in rural China, a well-rounded social insurance model for village doctors is urgently needed. In addition, the development of TVHSIM is regionally imbalanced. Efficient and effective measures aiming at rationalizing gender and age structure and enhancing essential medical training should be carefully considered.展开更多
China boasts 56 nationalities who are mostly inhabited in the sparsely populated mountain regions in West China. Like many other places in the Han nationality distributed regions, minority nationality inhabited region...China boasts 56 nationalities who are mostly inhabited in the sparsely populated mountain regions in West China. Like many other places in the Han nationality distributed regions, minority nationality inhabited regions are also facing the challenge of sustainable development in terms of both natural and human factors. Taking the Tibetan inhabited regions (TIR) in Sichuan Province as a case, this paper points out some major problems in the process of economic development in perspective of sustainability and leaves some hints for development strategies. While natural conditions such as geological instability are playing a major role to the environmental degradation, human activities and improper use of resources might constitute an important agent in the environmental deterioration. In order to promote local economic development and improve people’s living standard, sustainable planning is expected to be made and people’s awareness of sustainability should be strengthened.展开更多
Based on the five-year long dynamic tracking and investigation of the peasant households of the Lishu village, the influences by small town construction on the economy and employment of the original peasant households...Based on the five-year long dynamic tracking and investigation of the peasant households of the Lishu village, the influences by small town construction on the economy and employment of the original peasant households are discussed. On the one hand, small town construction plays a positive role in adjustment of the industrial structure of the original peasant households and in the transfer of their employment towards non-agricultural industries. On the other hand the economic growth of the original peasant households is not so well sustainable, and is so fluctuating. Moreover, the unbalance of income distribution of the said households has been furthered, and small town construction has made the existing labor surplus of the original peasant households more serious, particularly the women labor surplus.展开更多
A socio-environmental survey amongst the inhabitants of the Sumava National Park and of the Nove Hrady Mountains took place in the summers of 2003 (Sumava), 2006 and 2007 (the Nove Hrady Mts.) The main aim of the stud...A socio-environmental survey amongst the inhabitants of the Sumava National Park and of the Nove Hrady Mountains took place in the summers of 2003 (Sumava), 2006 and 2007 (the Nove Hrady Mts.) The main aim of the study was to record the opinions and attitudes of local inhabitants of the both regions towards environmental conditions, nature conservation, tourism, and to carry out their subsequent comparison. The objectives included that of ascertaining how and on which issues opinions and attitudes have the potential to be changed. The method of a structured interview and a random selection of interviewees provided us with 200 questionnaires in Sumava and 150 questionnaires in the Nove Hrady Mountains. The most noticeable differences between Sumava and Nove Hrady Mts. respondents were found with respect to the following topics: assessment of environmental conditions;the attitude to potential public access to the most endangered parts of the nature;perceptions about the influence of tourism on the cost of living. Similar reflections were found in the assessment of personal profit from the tourist industry in the region.展开更多
BACKGROUND： Drug addiction involves two main central nervous systems, namely the dopamine and noradrenaline systems. These systems are primarily distributed in five brain regions： the ventral tegmental area, the nuc...BACKGROUND： Drug addiction involves two main central nervous systems, namely the dopamine and noradrenaline systems. These systems are primarily distributed in five brain regions： the ventral tegmental area, the nucleus accumbens, the prefrontal cortex, the hippocampus, and the locus coeruleus. OBJECTIVE： To investigate regional changes of guanine nucleotide binding protein-inhabitant 2 （Gi2） in dopaminergic and noradrenergic neurons in brains of morphine-tolerant and -dependent rats. DESIGN, TIME, AND SETTING： A randomized control study was performed at the Department of Neurobiology in the Second Military Medical University of Chinese PLA （Shanghai, China） between September 2002 and March 2004. MATERIALS： Thirty-six, healthy, male, Sprague-Dawley （SD） rats were used to establish morphine-dependent models. Morphine hydrochloride was a product of Shenyang First Pharmaceutical Factory （China）; naloxone hydrochloride was a product of Beijing Four-Ring Pharmaceutical Factory （China）; and α subunit of Gi2 antibody was offered by Santa Cruz Biotechnology, lnc （USA）. METHODS： Thirty-six SD rats were randomly divided into six groups （n = 6）： （1） acute morphine-dependent group, （2） acute abstinent group, （3） acute control group, （4） chronic morphine-dependent group, （5） chronic abstinent group, and （6） chronic control group. Rats in the acute morphine-dependent and the acute groups were injected with morphine （5 mg/kg）, one injection every two hours, for a total of eight injections. In the acute and chronic morphine-dependent rat models, morphine withdrawal syndrome was precipitated by an injection of naloxone （5 mg/kg）. Rats in the acute control group were given a peritoneal injection of physiological saline at the same administration time as the above two groups. Rats in the chronic morphine-dependent and chronic abstinent groups were injected with morphine three times per day. The administration dose on day 1 was initially 5 mg/kg at 20：00, which increased by 5 mg/kg at 8：00, 12：00, and 20：00 until day 7. On day 13, the dose continuously increased by 10 mg/kg until a chronic morphine-dependent rat model was successfully induced. Afterwards, the rats presented with withdrawal syndromes on naloxone （5 mg/kg） at 8：00 on the same day. Rats in the chronic control group were injected with physiological saline at the same time of the two chronic groups. MAIN OUTCOME MEASURES： The concentration of Gi2 protein in the five brain regions （ventral tegmental area, nucleus accumbens, prefrontal cortex, locus coeruleus, and hippocampus） was detected by immunohistochemistry. RESULTS： In the acute morphine-dependent and acute abstinent groups, Gi2 protein concentration was significantly decreased in the nucleus accumbens, compared to the acute control group （P 〈 0.01）, while no obvious changes were detected in other brain regions. In the chronic morphine-dependent and chronic abstinent groups, Gi2 protein concentration was significantly decreased in the nucleus accumbens, but significantly increased in the locus coeruleus （P 〈 0.01 ） compared to the chronic control group. CONCLUSION： Morphine dependence and tolerance may induce obvious reductions of Gi2 protein levels in the nucleus accumbens of rats. Chronic morphine dependence desensitizes the homologous neurons.展开更多
Under the support of the remote sensing and geographical information system(GIS) techniques,we acquire the land use data in 1990 and 2008 regarding 6 inhabited islands,namely Longxue Island,Hengmen Island,Weiyuan Isla...Under the support of the remote sensing and geographical information system(GIS) techniques,we acquire the land use data in 1990 and 2008 regarding 6 inhabited islands,namely Longxue Island,Hengmen Island,Weiyuan Island,Qi'ao Island,Hengqin Island and Gaolan Island in Pearl River Estuary.By using dynamic degree of land use,land use change intensity,relative change rate and other indicators,we conduct quantitative description,and thus quantitatively and qualitatively analyse characteristics of temporal evolution and law of spatial pattern change concerning land use of each island.The study indicates that in the period 1990-2008,the area of construction land and water in 6 islands increased,while the area of agricultural land and unused land increased in some islands and decreased in others.The land use change shows spatial disparity;the holistic land use change degree in Hengmen Island is higher than that of other islands;the dynamic degree of land use,intensity of land use,and relative change rate differ in different islands.展开更多
Rivers are vital freshwater resources that support human livelihoods,yet they are increasingly impacted by upstream flows,anthropogenic activities,and waste discharge from riverside settlements.This study assessed and...Rivers are vital freshwater resources that support human livelihoods,yet they are increasingly impacted by upstream flows,anthropogenic activities,and waste discharge from riverside settlements.This study assessed and compared the livelihood status of transboundary riverine communities along the Jadukata and Nawagang rivers in the acid mine-affected and non-mine-affected regions of northeastern Bangladesh.Data were collected from 200 households using structured interviews,focus group discussions,and key informant interviews.Livelihood status was evaluated through five capitals namely human,physical,natural,social,and financial using an equally weighted composite index,the Livelihood Assessment Index(LAI).The overall LAI was 0.487,with individual capital scores of 0.61(human),0.72(physical),0.36(natural),0.55(social),and 0.198(financial).When disaggregated,Jadukata riverine areas(mine-affected)had lower scores across most capitals(LAI:0.449)compared to Nawagang areas(non-mine-affected)(LAI:0.522).Statistically significant differences were observed in physical,natural,and financial capitals particularly in indicators such as soil erosion protection,air quality,transport infrastructure,hospitality,and income.Although the overall livelihood status in both regions remains low,the Jadukata riverine inhabitants are disproportionately affected by socio-economic vulnerabilities due to acid mining.These findings can inform future research and policy interventions.Targeted awareness programs and environmental safeguards are recommended to mitigate pollution and protect the biodiversity of the Surma River system,to which both rivers are connected.展开更多
Theory,Method,and Planning Strategy of Inhabitant Social Integration in the Process of Historical Blocks'Renaissance Authors:Lu Ming,Cai Zihan Year:2021 Publisher:Harbin Institute of Technology Press ISBN:97875603...Theory,Method,and Planning Strategy of Inhabitant Social Integration in the Process of Historical Blocks'Renaissance Authors:Lu Ming,Cai Zihan Year:2021 Publisher:Harbin Institute of Technology Press ISBN:9787560384153(161 pages,in Chinese).展开更多
The disappearance of vernacutar buitdings is a common phenomenon worldwide and in Indonesia. The Banjarese house, a type of Indonesian vernacutar architecture, is a typicat riverside dwetling that shows the strong rel...The disappearance of vernacutar buitdings is a common phenomenon worldwide and in Indonesia. The Banjarese house, a type of Indonesian vernacutar architecture, is a typicat riverside dwetling that shows the strong relationship between the river and the inhabitants. In view of the number of Banjarese houses facing degradation as a riverside type of vernacutar architecture, a study is necessary. The characteristics of the inhabitants must be considered when observing the condition of the remaining houses. Therefore, this study aims to investigate the influence of inhabitant background on the physicat changes of Banjarese houses for future revitatization. A research was conducted in the embryo of Banjarmasin atong the Kuin riverside setttement in Kuin Utara sub-district through a door-to-door survey with a questionnaire. The exploration indicates the following： （1） the original form of art remaining houses has been attered, （2） most of the inhabitants are ctassified as a tow-income society, （3） the different characteristics of the present inhabitants change the physicat condition of houses, （4） the retationship of the current house condition to the socio-cutture and economy of the inhabitants prays a prominent rote in revitatizing Banjarese houses as a vatuabte asset.展开更多
Malaysian housing developers are weighing the costs and benefits of building environmentally-sensitive homes out of concern that the market may not be receptive to such homes.This study aims to examine the determinant...Malaysian housing developers are weighing the costs and benefits of building environmentally-sensitive homes out of concern that the market may not be receptive to such homes.This study aims to examine the determinants of inhabiting intentions of potential homebuyers toward eco-friendly homes.Using a case study of Nusajaya Iskandar Malaysia,a series of quantitative analysis was used to examine homebuyers’intentions to inhabit eco-friendly homes.The results for the survey revealed that a favorable attitude toward eco-friendly homes,high control in the ability to purchase eco-friendly homes,and the self-identification of green consumerism were statistically significant determinants of intention to inhabit such homes.Social referents’opinion relating to eco-friendly homes,however,was not significantly related to inhabiting intentions.Additionally,households of gated-guarded and detached dwellings,higher income and educational attainment,and housing costs were significantly related to the intention of acquiring eco-friendly homes.展开更多
Several Trichoderma species serve as biocontrol agents in agriculture through their phytopathogen growth inhibition capabilities.However,the antagonistic mechanism of certain strains primarily operates through direct ...Several Trichoderma species serve as biocontrol agents in agriculture through their phytopathogen growth inhibition capabilities.However,the antagonistic mechanism of certain strains primarily operates through direct action.This study aims to explore an effective strain with comprehensive capabilities and elucidate its practical viability and action mechanism.Trichoderma gamsii strain TC959,exhibiting robust antagonistic and plant growth-promoting properties,was identified.The strain directly inhibits plant pathogen through the production of secondary metabolites,siderophores,and chitinase/xylanase,while promotes plant growth via indole-3-acetic acid/gibberellin release.Additionally,the strain activates induced systemic resistance by enhancing the chlorophyll a/b ratio and jasmonic acid content in pepper seedlings through root colonization,leading to elevated defense-related gene expression,antioxidant enzyme activity,and indole-3-acetic acid/gibberellin production.These mechanisms collectively enhance disease resistance and promote plant growth.Moreover,TC959 demonstrates superior resistance to oxidation and chemical fungicides,facilitating strain viability maintenance and ensuring healthy pepper seedling development.The study concludes that strain TC959 exhibits significant biocontrol potential and comprehensive functions against pepper damping-off disease,warranting further practical applications.展开更多
基金supported by the National Natural Science Foundation of China(22176221 and 22273045)the Central Public-interest Scientific Institution Basal Research Fund,Chinese Academy of Fishery Sciences(2024XT09)+1 种基金the Tsinghua University Independent Scientific Research Plan for Young Investigatorthe Tsinghua University Initiative Scientific Research Program。
文摘Wearable electronics incorporating proteins for biocompatibility have garnered significant research attention,given their potential applications in biocompatible medical devices,artificial skin,humanoid robots,and other fields.However,a notable challenge exists,as many wearable electronics currently lack those essential properties due to issues such as non-biological compatibility,as well as insufficient mechanical and conductive performance.Here,we have developed a hybrid keratin(KE)hydrogel by incorporating a liquid metal(LM,eutectic gallium-indium alloy)to design a wearable electronic device with excellent biocompatibility,enhanced conductivity,and good mechanical properties.The resulting keratin liquid metal(KELM)hydrogel demonstrates favorable mechanical characteristics,including good tensile strength(166 kPa),impressive stretchability(2600%),and long-term stability.Furthermore,it exhibits good conductivity(6.84 S·m^(-1))and sensitivity as a sensing material(gauge factor(GF)=7.03),rendering it suitable for constructing high-performance strain sensors.Notably,the KELM hydrogel-based wearable electronics extend their functionality to monitoring marine inhabitants'health.This innovative application provides new insights for designing the next generation of biomimetic electronic devices,with potential applications in human-machine interfaces,electronic skin,artificial intelligence,and health monitoring.
基金supported by the National Natural Science Foundation of China(No.71273097)
文摘Township and Village Health Services Integration Management（TVHSIM） is an essential form of China＇s two-tiered health service integration plan at the township and village level. Its main purpose, also one of the target goals in China＇s new healthcare reform, is to gradually integrate rural health services and appropriately allocate rural health resources. This study aims to assess the village doctors＇ satisfaction with the TVHSIM and provide scientific base to further improve TVHSIM. A cross-sectional study was carried out in which 162 village doctors from Qinghai, Inner Mongolia and Xinjiang in western China were interviewed. Descriptive analysis, independent t-test, one-way ANOVA, Spearman rank correlation and multiple linear regression were used to analyze the difference and relevance between village doctors＇ personal characteristics and their satisfaction with TVHSIM and six subscales. Village doctors with different years of practice, social insurance status and essential medical knowledge level showed statistically significant differences in their satisfaction levels（all P〈0.05）. Age（P〈0.05） and years of practice（P〈0.01） were negatively correlated with Drug and Medical Device Management and Financing Management. Essential medical knowledge level（P〈0.05） was negatively correlated with Operations Management as well. However, social insurance status（P〈0.05） was positively correlated with Human Resources Management and Drug and Medical Device management. Gender, age and years of practice respectively had significant influence on village doctors＇ satisfaction with TVHSIM（P〈0.01）. In conclusion, in order to further promote TVHSIM policy in rural China, a well-rounded social insurance model for village doctors is urgently needed. In addition, the development of TVHSIM is regionally imbalanced. Efficient and effective measures aiming at rationalizing gender and age structure and enhancing essential medical training should be carefully considered.
文摘China boasts 56 nationalities who are mostly inhabited in the sparsely populated mountain regions in West China. Like many other places in the Han nationality distributed regions, minority nationality inhabited regions are also facing the challenge of sustainable development in terms of both natural and human factors. Taking the Tibetan inhabited regions (TIR) in Sichuan Province as a case, this paper points out some major problems in the process of economic development in perspective of sustainability and leaves some hints for development strategies. While natural conditions such as geological instability are playing a major role to the environmental degradation, human activities and improper use of resources might constitute an important agent in the environmental deterioration. In order to promote local economic development and improve people’s living standard, sustainable planning is expected to be made and people’s awareness of sustainability should be strengthened.
基金Supported by the Knowledge Innovation Program of Chinese Academy of Sciences(KZCZ2-316)and Ecology and Environment Compensation Foundation from the Office of the TGP Construction commission of the State council of China(SX2001-021)
文摘Based on the five-year long dynamic tracking and investigation of the peasant households of the Lishu village, the influences by small town construction on the economy and employment of the original peasant households are discussed. On the one hand, small town construction plays a positive role in adjustment of the industrial structure of the original peasant households and in the transfer of their employment towards non-agricultural industries. On the other hand the economic growth of the original peasant households is not so well sustainable, and is so fluctuating. Moreover, the unbalance of income distribution of the said households has been furthered, and small town construction has made the existing labor surplus of the original peasant households more serious, particularly the women labor surplus.
文摘A socio-environmental survey amongst the inhabitants of the Sumava National Park and of the Nove Hrady Mountains took place in the summers of 2003 (Sumava), 2006 and 2007 (the Nove Hrady Mts.) The main aim of the study was to record the opinions and attitudes of local inhabitants of the both regions towards environmental conditions, nature conservation, tourism, and to carry out their subsequent comparison. The objectives included that of ascertaining how and on which issues opinions and attitudes have the potential to be changed. The method of a structured interview and a random selection of interviewees provided us with 200 questionnaires in Sumava and 150 questionnaires in the Nove Hrady Mountains. The most noticeable differences between Sumava and Nove Hrady Mts. respondents were found with respect to the following topics: assessment of environmental conditions;the attitude to potential public access to the most endangered parts of the nature;perceptions about the influence of tourism on the cost of living. Similar reflections were found in the assessment of personal profit from the tourist industry in the region.
文摘BACKGROUND： Drug addiction involves two main central nervous systems, namely the dopamine and noradrenaline systems. These systems are primarily distributed in five brain regions： the ventral tegmental area, the nucleus accumbens, the prefrontal cortex, the hippocampus, and the locus coeruleus. OBJECTIVE： To investigate regional changes of guanine nucleotide binding protein-inhabitant 2 （Gi2） in dopaminergic and noradrenergic neurons in brains of morphine-tolerant and -dependent rats. DESIGN, TIME, AND SETTING： A randomized control study was performed at the Department of Neurobiology in the Second Military Medical University of Chinese PLA （Shanghai, China） between September 2002 and March 2004. MATERIALS： Thirty-six, healthy, male, Sprague-Dawley （SD） rats were used to establish morphine-dependent models. Morphine hydrochloride was a product of Shenyang First Pharmaceutical Factory （China）; naloxone hydrochloride was a product of Beijing Four-Ring Pharmaceutical Factory （China）; and α subunit of Gi2 antibody was offered by Santa Cruz Biotechnology, lnc （USA）. METHODS： Thirty-six SD rats were randomly divided into six groups （n = 6）： （1） acute morphine-dependent group, （2） acute abstinent group, （3） acute control group, （4） chronic morphine-dependent group, （5） chronic abstinent group, and （6） chronic control group. Rats in the acute morphine-dependent and the acute groups were injected with morphine （5 mg/kg）, one injection every two hours, for a total of eight injections. In the acute and chronic morphine-dependent rat models, morphine withdrawal syndrome was precipitated by an injection of naloxone （5 mg/kg）. Rats in the acute control group were given a peritoneal injection of physiological saline at the same administration time as the above two groups. Rats in the chronic morphine-dependent and chronic abstinent groups were injected with morphine three times per day. The administration dose on day 1 was initially 5 mg/kg at 20：00, which increased by 5 mg/kg at 8：00, 12：00, and 20：00 until day 7. On day 13, the dose continuously increased by 10 mg/kg until a chronic morphine-dependent rat model was successfully induced. Afterwards, the rats presented with withdrawal syndromes on naloxone （5 mg/kg） at 8：00 on the same day. Rats in the chronic control group were injected with physiological saline at the same time of the two chronic groups. MAIN OUTCOME MEASURES： The concentration of Gi2 protein in the five brain regions （ventral tegmental area, nucleus accumbens, prefrontal cortex, locus coeruleus, and hippocampus） was detected by immunohistochemistry. RESULTS： In the acute morphine-dependent and acute abstinent groups, Gi2 protein concentration was significantly decreased in the nucleus accumbens, compared to the acute control group （P 〈 0.01）, while no obvious changes were detected in other brain regions. In the chronic morphine-dependent and chronic abstinent groups, Gi2 protein concentration was significantly decreased in the nucleus accumbens, but significantly increased in the locus coeruleus （P 〈 0.01 ） compared to the chronic control group. CONCLUSION： Morphine dependence and tolerance may induce obvious reductions of Gi2 protein levels in the nucleus accumbens of rats. Chronic morphine dependence desensitizes the homologous neurons.
基金Supported by Guangdong 908 Special Plan(GD908-01-02)The Marine Science and Technology Director Foundation of South China Sea Branch (0871)
文摘Under the support of the remote sensing and geographical information system(GIS) techniques,we acquire the land use data in 1990 and 2008 regarding 6 inhabited islands,namely Longxue Island,Hengmen Island,Weiyuan Island,Qi'ao Island,Hengqin Island and Gaolan Island in Pearl River Estuary.By using dynamic degree of land use,land use change intensity,relative change rate and other indicators,we conduct quantitative description,and thus quantitatively and qualitatively analyse characteristics of temporal evolution and law of spatial pattern change concerning land use of each island.The study indicates that in the period 1990-2008,the area of construction land and water in 6 islands increased,while the area of agricultural land and unused land increased in some islands and decreased in others.The land use change shows spatial disparity;the holistic land use change degree in Hengmen Island is higher than that of other islands;the dynamic degree of land use,intensity of land use,and relative change rate differ in different islands.
基金funded by University Grants Commission of Bangladesh,grant number(Ser.No-14(2021-2022),Mon.No-37.01.0000.071.36.040.22).
文摘Rivers are vital freshwater resources that support human livelihoods,yet they are increasingly impacted by upstream flows,anthropogenic activities,and waste discharge from riverside settlements.This study assessed and compared the livelihood status of transboundary riverine communities along the Jadukata and Nawagang rivers in the acid mine-affected and non-mine-affected regions of northeastern Bangladesh.Data were collected from 200 households using structured interviews,focus group discussions,and key informant interviews.Livelihood status was evaluated through five capitals namely human,physical,natural,social,and financial using an equally weighted composite index,the Livelihood Assessment Index(LAI).The overall LAI was 0.487,with individual capital scores of 0.61(human),0.72(physical),0.36(natural),0.55(social),and 0.198(financial).When disaggregated,Jadukata riverine areas(mine-affected)had lower scores across most capitals(LAI:0.449)compared to Nawagang areas(non-mine-affected)(LAI:0.522).Statistically significant differences were observed in physical,natural,and financial capitals particularly in indicators such as soil erosion protection,air quality,transport infrastructure,hospitality,and income.Although the overall livelihood status in both regions remains low,the Jadukata riverine inhabitants are disproportionately affected by socio-economic vulnerabilities due to acid mining.These findings can inform future research and policy interventions.Targeted awareness programs and environmental safeguards are recommended to mitigate pollution and protect the biodiversity of the Surma River system,to which both rivers are connected.
文摘Theory,Method,and Planning Strategy of Inhabitant Social Integration in the Process of Historical Blocks'Renaissance Authors:Lu Ming,Cai Zihan Year:2021 Publisher:Harbin Institute of Technology Press ISBN:9787560384153(161 pages,in Chinese).
文摘The disappearance of vernacutar buitdings is a common phenomenon worldwide and in Indonesia. The Banjarese house, a type of Indonesian vernacutar architecture, is a typicat riverside dwetling that shows the strong relationship between the river and the inhabitants. In view of the number of Banjarese houses facing degradation as a riverside type of vernacutar architecture, a study is necessary. The characteristics of the inhabitants must be considered when observing the condition of the remaining houses. Therefore, this study aims to investigate the influence of inhabitant background on the physicat changes of Banjarese houses for future revitatization. A research was conducted in the embryo of Banjarmasin atong the Kuin riverside setttement in Kuin Utara sub-district through a door-to-door survey with a questionnaire. The exploration indicates the following： （1） the original form of art remaining houses has been attered, （2） most of the inhabitants are ctassified as a tow-income society, （3） the different characteristics of the present inhabitants change the physicat condition of houses, （4） the retationship of the current house condition to the socio-cutture and economy of the inhabitants prays a prominent rote in revitatizing Banjarese houses as a vatuabte asset.
文摘Malaysian housing developers are weighing the costs and benefits of building environmentally-sensitive homes out of concern that the market may not be receptive to such homes.This study aims to examine the determinants of inhabiting intentions of potential homebuyers toward eco-friendly homes.Using a case study of Nusajaya Iskandar Malaysia,a series of quantitative analysis was used to examine homebuyers’intentions to inhabit eco-friendly homes.The results for the survey revealed that a favorable attitude toward eco-friendly homes,high control in the ability to purchase eco-friendly homes,and the self-identification of green consumerism were statistically significant determinants of intention to inhabit such homes.Social referents’opinion relating to eco-friendly homes,however,was not significantly related to inhabiting intentions.Additionally,households of gated-guarded and detached dwellings,higher income and educational attainment,and housing costs were significantly related to the intention of acquiring eco-friendly homes.
基金supported by the National Key Research and Development Program of China(2022YFC2303000).
文摘Several Trichoderma species serve as biocontrol agents in agriculture through their phytopathogen growth inhibition capabilities.However,the antagonistic mechanism of certain strains primarily operates through direct action.This study aims to explore an effective strain with comprehensive capabilities and elucidate its practical viability and action mechanism.Trichoderma gamsii strain TC959,exhibiting robust antagonistic and plant growth-promoting properties,was identified.The strain directly inhibits plant pathogen through the production of secondary metabolites,siderophores,and chitinase/xylanase,while promotes plant growth via indole-3-acetic acid/gibberellin release.Additionally,the strain activates induced systemic resistance by enhancing the chlorophyll a/b ratio and jasmonic acid content in pepper seedlings through root colonization,leading to elevated defense-related gene expression,antioxidant enzyme activity,and indole-3-acetic acid/gibberellin production.These mechanisms collectively enhance disease resistance and promote plant growth.Moreover,TC959 demonstrates superior resistance to oxidation and chemical fungicides,facilitating strain viability maintenance and ensuring healthy pepper seedling development.The study concludes that strain TC959 exhibits significant biocontrol potential and comprehensive functions against pepper damping-off disease,warranting further practical applications.
