Green Barrier,a significant component of the non-tariff barrier,is playing a more and more important role in the international trade.The impact of the green barrier by EU on Chinese farm products has become a crucial ...Green Barrier,a significant component of the non-tariff barrier,is playing a more and more important role in the international trade.The impact of the green barrier by EU on Chinese farm products has become a crucial problem which is attracting more and more attention of Chinese people.This paper begins with the appearance of the green barrier,emphatically studies the impact of green barrier of EU on the export of farm produces of China and put forward the countermeasures in end.展开更多
On October 17, 2017, the first stay ring of Baihetan 1 million kW hydropower units, with the largest unit capacity in the world, passed the acceptance inspection. Shenyang Research Institute of Foundry （SRIF） has be...On October 17, 2017, the first stay ring of Baihetan 1 million kW hydropower units, with the largest unit capacity in the world, passed the acceptance inspection. Shenyang Research Institute of Foundry （SRIF） has been recognized by owners and OEMs of Baihetan Hydropower Station for its long-term and stable （electroslag remelting）＂ and technology of ＂AOD ＋ ESR good performance of guide vanes at several major hydropower projects both at home and abroad.展开更多
How do elements originate, how atoms are formed, and what are the laws? According to the unified logic of “Tong Yi Lun Thought”, combined with the elements’ attributes and the atomic composition that have been disc...How do elements originate, how atoms are formed, and what are the laws? According to the unified logic of “Tong Yi Lun Thought”, combined with the elements’ attributes and the atomic composition that have been discovered now, after determining that the mechanism of increasing yang in the atomic system is the increase of proton number, the Bian Zheng relationship among proton, neutron and electron determines that there are only 128 kinds of elements in the atomic system. At the same time, element atoms have corresponding logical relations when they are generated.展开更多
When telecom giants in the world propose strategic transformation, domestic and foreign telecom equipment manufacturers at upper industrial chain are also faced with the dilemma of transformation, because each section...When telecom giants in the world propose strategic transformation, domestic and foreign telecom equipment manufacturers at upper industrial chain are also faced with the dilemma of transformation, because each section on the telecom industrial chain is closely connected with each other. Wu Ying,展开更多
deployment of the THAAD system in South Korea imposed by the United States is superficially and nominally to target at the DPRK's nuclear and missile threats,but essentially to respond to the rising China and Russ...deployment of the THAAD system in South Korea imposed by the United States is superficially and nominally to target at the DPRK's nuclear and missile threats,but essentially to respond to the rising China and Russia,is further tied South Korea to the U.S.war chariot and is a dose of poison undermining the Northeast Asian environment for the mutual benefit,mutual trust and win-win cooperation as well as development and stability.展开更多
What Are You Up To Today?Chief Director:Wu Zijuan Length:12 Episodes Producer:bilibili Broadcasting Platform:bilibili Produced by China’s YouTube-like video sharing platform bilibili,the film is a series of short doc...What Are You Up To Today?Chief Director:Wu Zijuan Length:12 Episodes Producer:bilibili Broadcasting Platform:bilibili Produced by China’s YouTube-like video sharing platform bilibili,the film is a series of short documentaries presenting people's daily life in different jobs.It follows 12 individuals in their respective jobs and trades that keep society functioning.By focusing on their daily lives,the documentary films capture the hustle and bustle of the days that make up a hopeful life.展开更多
Codonopsis pilosula is a major Qi-tonifying medicinal herb,and its active composition is analyzed systematically.However,the relationship between its production origins and commodity specification grades with the acti...Codonopsis pilosula is a major Qi-tonifying medicinal herb,and its active composition is analyzed systematically.However,the relationship between its production origins and commodity specification grades with the active composition of C.pilosula lacks systematic research.This study integrates the HPLC and UV-Vis methodologies to evaluate the quality of C.pilosula from commodity specification grades and different origins,and it explores the correlation between ecological factors and production origins with active components.Here,network pharmacology is used to determine that lobetyolin,syringin,and tangshenoside I have potential efficacy in treating pulmonary fibrosis and oxidative stress.The HPLC and UV-Vis methods were employed to quantitatively analyse the levels of five active compounds from different origins and commodity specification grades.Ecological factors were collected from the different production origins with ArcGIS,and correlation analysis was conducted between these factors and the active components of C.pilosula to identify the key ecological influences that drive the accumulation of active compounds.Results showed that network pharmacology analyses indicated that the active components of C.pilosula,including lobetyolin,syringin,and tangshenoside I,bind to targets and exhibit antioxidant and antipulmonary fibrosis effects.Differences in the contents of active components across three commodity specification grades were not significant.The contents of active components in C.pilosula showed differences with varying origins,with the most variation observed in soluble sugar content,and notable variations are also observed in the levels of lobetyolin,syringin,and tangshenoside I,which could serve as potential biomarkers for different origins.Additionally,ecological factors influenced the accumulation of C.pilosula’s active components.The contents of soluble sugars and tangshenoside I were positively correlated with temperature and precipitation.Our study evaluated the active components of C.pilosula,and findings show that lobetyolin,syringin,and tangshenoside I have potential efficacy in treating pulmonary fibrosis and oxidative stress.The differences in the quality of C.pilosula across varying commodity specification grades are not significant.The different contents of C.pilosula across varying origins are significant,with soluble sugars and glycosides serving as potential markers for distinguishing C.pilosula from different origins.Moreover,ecological factors drove the accumulation of C.pilosula components.Soluble sugars and tangshenoside I content were particularly influenced by temperature and precipitation.Sand content and electrical conductivity significantly correlated with syringin,whereas organic carbon negatively influenced total flavonoids.This research provides a theoretical basis for the selection of the C.pilosula growing area and lays a foundation for the study of the C.pilosula quality standard.展开更多
Flax(Linum usitatissimum L.)is an important oil crop in the high-altitude arid regions of China.Flaxseed is rich in various nutrients.However,the nutritional qualities of flaxseeds from different producing areas are s...Flax(Linum usitatissimum L.)is an important oil crop in the high-altitude arid regions of China.Flaxseed is rich in various nutrients.However,the nutritional qualities of flaxseeds from different producing areas are still unclear.In this study,the nutritional characteristics of flaxseed from five producing areas in China were investigated.Twenty five nutritional quality indices in flaxseed were analyzed.Subsequently,chemometric methods,including cluster analysis,principal component analysis(PCA)and partial least square discriminant analysis(PLS-DA),were employed to discover the characteristics of nutritional qualities in flaxseeds.The results revealed there are significant differences in nutritional qualities among flaxseeds from different production areas.Six quality indices includingγ-tocopherol,vitamin E,phytosterols,oleic acid,α-linolenic acid,and cycloartenol were susceptible to producing area.In detail,the superiorcharacteristic nutrients of Ningxia flaxseed,Inner Mongolia flaxseed and Hebei flaxseed are vitamin E(17.3 mg/100g),α-linolenic acid(52.6%)and cycloartenol(1738.1 mg/kg),and phytosterols(3032.0 mg/kg),respectively.This study promotes the high-value development and utilization of local flaxseed industry.展开更多
It’s a pleasure to be here and speak about the industrial copilot and generative AI and the changing applications.As you all know,generative AI has arrived since a few years ago,we have generative AI not only in the ...It’s a pleasure to be here and speak about the industrial copilot and generative AI and the changing applications.As you all know,generative AI has arrived since a few years ago,we have generative AI not only in the consumer world,but also in the industrial world.Siemens is very active in the industrial space.We need to make AI real,because at the end in industry manufacturing,you are producing parts in the real world.So we need to make sure that AI and its applications can interact and comply with the real world.展开更多
In the late 1970s,the theory of coal-formed gas began to take root,sprout,develop,and improve in China.After decades of development,a complete theoretical system was finally formed.The theory of coal-formed gas points...In the late 1970s,the theory of coal-formed gas began to take root,sprout,develop,and improve in China.After decades of development,a complete theoretical system was finally formed.The theory of coal-formed gas points out that coal measures are good gas source rocks,with gas as the main hydrocarbon generated and oil as the auxiliary.It has opened up a new exploration idea using coal-bearing humic organic matter as the gas source,transforming the theoretical guidance for natural gas exploration in China from“monism”(i.e.oil-type gas)to“dualism”(i.e.coal-formed gas and oil-type gas)and uncovering a new field of natural gas exploration.Before the establishment of the coal-formed gas theory,China was a gas-poor country with low proved gas initially-in-place(merely 2264.33×10^(8)m^(3))and production(137.3×10^(8)m^(3)/a),corresponding to a per capita annual consumption of only 14.37 m^(3).Guided by the theory of coal-formed gas,the natural gas industry of China has developed rapidly.By the end of 2023,China registered the cumulative proved gas initially-in-place of 20.90×10^(12)m^(3),an annual gas production of 2343×10^(8)m^(3),and a per capita domestic gas consumption reaching 167.36 m^(3).The cumulative proved reserves initially-in-place and production of natural gas were dominated by coal-formed gas.Owing to this advancement,China has transformed from a gas-poor country to the fourth largest gas producer in the world.The coal-formed gas theory and the tremendous achievements made in natural gas exploration in China under its guidance have promoted China from a gas-poor country to a major gas-producing country in the world.展开更多
Promoting the deep integration of advanced manufacturing and producer services is not only a key path for metropolitan to climb the global value chain,but also an important new driving force for optimizing urban spati...Promoting the deep integration of advanced manufacturing and producer services is not only a key path for metropolitan to climb the global value chain,but also an important new driving force for optimizing urban spatial structure.Based on the two dimen-sions of industrial linkage and spatial co-agglomeration from the perspective of industrial integration,taking Beijing,China as a case,using industrial input-output data,micro-enterprise spatial data,and methods such as industrial linkage model,standard deviation el-lipse,and spatial similarity coefficient,this study explores the coupling relationship between industrial linkage and spatial co-agglomer-ation of advanced manufacturing and producer services from 2007 to 2020.The results demonstrate that:1)the industrial linkage between advanced manufacturing and producer services in Beijing has an upward trend,in which the business services have the most significant improvement,in which the business services have the most improvement while the technology services have the most de-crease,but in general,the industrial linkage between the two industries shows a low level.2)Producer services were more spatially clustered than advanced manufacturing,and the degree of spatial co-agglomeration of the two also showed an increasing trend,with strong regional and industrial heterogeneity characteristics,among which the pairing industry involving commerce services and techno-logy services had a more obvious improvement.3)The coupling analysis found that the spatial dependence between advanced manufac-turing and producer services decreased,showing a weak positive correlation and a decreasing trend between industrial linkage and spa-tial co-agglomeration;the heterogeneity among subdivision pairs is prominent,and the strong correlation between industries does not mean that there is an inevitable spatial co-agglomeration.4)Based on the differences in coupling relationships and influence mechan-isms,four coupling modes are identified:H-H type,H-L type,L-L type,and L-H type.Finally,this study proposes three policy implica-tions for the integration of advanced manufacturing and producer services in metropolitan areas.展开更多
The Swiss-Ghana Amendments to the Basel Convention mark a significant milestone in global e-waste(electronic waste)management,requiring Prior Informed Consent(PIC)for all transboundary movements of Waste Electrical an...The Swiss-Ghana Amendments to the Basel Convention mark a significant milestone in global e-waste(electronic waste)management,requiring Prior Informed Consent(PIC)for all transboundary movements of Waste Electrical and Electronic Equipment(WEEE),regardless of their hazard classification.However,developing nations encounter substantial challenges in adhering to these amendments due to regulatory gaps,limited infrastructure,and an increasing influx of illicit e-waste imports.This study uses Malaysia as a case study to evaluate the readiness of developing nations to implement amendments,highlighting transferable solutions and recommendations.This study employs a mixedmethods approach that combines qualitative thematic analysis and bibliometric mapping to analyze academic literature,official reports,and international case studies.The findings reveal that while Malaysia has foundational policies in place,significant challenges remain in addressing informal recycling practices,improving enforcement mechanisms,and building the institutional capacity to implement PIC procedures effectively.This study identifies key areas for improvement,including regulatory reforms,infrastructure development,and enhanced monitoring systems.To address these issues,this study proposes a six-key Integrated Decision Framework that emphasizes legislative and regulatory updates,infrastructure development,international cooperation,capacity building and training,public awareness and engagement,and robust monitoring and enforcement mechanisms.Although tailored to Malaysia,the framework offers transferable solutions to align e-waste management systems with the Swiss-Ghana Amendments,providing a pathway for developing nations to strengthen regulatory readiness,mitigate environmental risks,and contribute to global sustainability.展开更多
We report the observation of Zeeman splitting in multiple spectral lines emitted by a laser-produced,magnetized plasma(1–3×10^(18)cm^(-3),1–15 eV)in the context of a laboratory astrophysics experiment under a c...We report the observation of Zeeman splitting in multiple spectral lines emitted by a laser-produced,magnetized plasma(1–3×10^(18)cm^(-3),1–15 eV)in the context of a laboratory astrophysics experiment under a controlled magneticfield up to 20T.Nitrogen lines(NII)in the visible range were used to diagnose the magneticfield and plasma conditions.This was performed by coupling our data with(563–574 nm)the Stark–Zeeman line-shape code PPPB.The excellent agreement between experiment and simulations paves the way for a non-intrusive experimental platform to get time-resolved measurements of the local magneticfield in laboratory plasmas.展开更多
The radioisotope actinium-225(^(225)Ac)has been successfully used for targeted alpha therapy in preclinical and clinical applications because of its excellent nuclear characteristics.Medium-and high-energy proton-spal...The radioisotope actinium-225(^(225)Ac)has been successfully used for targeted alpha therapy in preclinical and clinical applications because of its excellent nuclear characteristics.Medium-and high-energy proton-spallation reactions on thorium are the most important methods for producing^(225)Ac.This study examines the possibility of producing^(225)Ac by irradiating thorium oxide with medium-energy protons.Thorium-oxide sheets were irradiated with 40-,50-,60-,70-,and 80-Me V protons on the Associated Proton-beam Experiment Platform(APEP)of the China Spallation Neutron Source(CSNS).The cross sections for the formation of^(225)Ac were measured using the activation method and offline gamma-ray spectrometric technique.The experimental results were compared with the existing data from EXFOR as well as the theoretical data from the TALYS-based evaluated nuclear-data library.Based on the experimental cross section and theoretical calculations,the production yield of^(225)Ac in the irradiated thorium targets was examined.The results showed that APEP can produce sufficient quantities of^(225)Ac for purification and clinical therapy.This work is the first measurement of proton-induced nuclearreaction cross sections at the CSNS APEP.展开更多
[Objective] The paper was to establish embryonic stem cell system of goats. [Method] Numerous primordial germ cell colonies were derived from gonadal ridge and the surrounding tissues in 20 millimeter fetuses of down ...[Objective] The paper was to establish embryonic stem cell system of goats. [Method] Numerous primordial germ cell colonies were derived from gonadal ridge and the surrounding tissues in 20 millimeter fetuses of down producing goat. Primordial germ cells and goats embryonic fibroblasts obtained from conceptus of equivaient gestational age were co-cultured. [Result] The colonies showed some characteristics of embryonic stem cells, such as the morphology of nest-like, they continued to be AKP positive and the ability to be continuously passed [Conclusion] These cells were pluripotent and ES-like cells.展开更多
文摘Green Barrier,a significant component of the non-tariff barrier,is playing a more and more important role in the international trade.The impact of the green barrier by EU on Chinese farm products has become a crucial problem which is attracting more and more attention of Chinese people.This paper begins with the appearance of the green barrier,emphatically studies the impact of green barrier of EU on the export of farm produces of China and put forward the countermeasures in end.
文摘On October 17, 2017, the first stay ring of Baihetan 1 million kW hydropower units, with the largest unit capacity in the world, passed the acceptance inspection. Shenyang Research Institute of Foundry （SRIF） has been recognized by owners and OEMs of Baihetan Hydropower Station for its long-term and stable （electroslag remelting）＂ and technology of ＂AOD ＋ ESR good performance of guide vanes at several major hydropower projects both at home and abroad.
文摘How do elements originate, how atoms are formed, and what are the laws? According to the unified logic of “Tong Yi Lun Thought”, combined with the elements’ attributes and the atomic composition that have been discovered now, after determining that the mechanism of increasing yang in the atomic system is the increase of proton number, the Bian Zheng relationship among proton, neutron and electron determines that there are only 128 kinds of elements in the atomic system. At the same time, element atoms have corresponding logical relations when they are generated.
文摘When telecom giants in the world propose strategic transformation, domestic and foreign telecom equipment manufacturers at upper industrial chain are also faced with the dilemma of transformation, because each section on the telecom industrial chain is closely connected with each other. Wu Ying,
文摘deployment of the THAAD system in South Korea imposed by the United States is superficially and nominally to target at the DPRK's nuclear and missile threats,but essentially to respond to the rising China and Russia,is further tied South Korea to the U.S.war chariot and is a dose of poison undermining the Northeast Asian environment for the mutual benefit,mutual trust and win-win cooperation as well as development and stability.
文摘What Are You Up To Today?Chief Director:Wu Zijuan Length:12 Episodes Producer:bilibili Broadcasting Platform:bilibili Produced by China’s YouTube-like video sharing platform bilibili,the film is a series of short documentaries presenting people's daily life in different jobs.It follows 12 individuals in their respective jobs and trades that keep society functioning.By focusing on their daily lives,the documentary films capture the hustle and bustle of the days that make up a hopeful life.
基金funded by the National Key R&D Plan(2022YFC3501804)Fundamental Research Funds for the Central Public Welfare Research Institutes(No.ZZ13-YQ-049)National Natural Science Foundation of China(ZXKT22001).
文摘Codonopsis pilosula is a major Qi-tonifying medicinal herb,and its active composition is analyzed systematically.However,the relationship between its production origins and commodity specification grades with the active composition of C.pilosula lacks systematic research.This study integrates the HPLC and UV-Vis methodologies to evaluate the quality of C.pilosula from commodity specification grades and different origins,and it explores the correlation between ecological factors and production origins with active components.Here,network pharmacology is used to determine that lobetyolin,syringin,and tangshenoside I have potential efficacy in treating pulmonary fibrosis and oxidative stress.The HPLC and UV-Vis methods were employed to quantitatively analyse the levels of five active compounds from different origins and commodity specification grades.Ecological factors were collected from the different production origins with ArcGIS,and correlation analysis was conducted between these factors and the active components of C.pilosula to identify the key ecological influences that drive the accumulation of active compounds.Results showed that network pharmacology analyses indicated that the active components of C.pilosula,including lobetyolin,syringin,and tangshenoside I,bind to targets and exhibit antioxidant and antipulmonary fibrosis effects.Differences in the contents of active components across three commodity specification grades were not significant.The contents of active components in C.pilosula showed differences with varying origins,with the most variation observed in soluble sugar content,and notable variations are also observed in the levels of lobetyolin,syringin,and tangshenoside I,which could serve as potential biomarkers for different origins.Additionally,ecological factors influenced the accumulation of C.pilosula’s active components.The contents of soluble sugars and tangshenoside I were positively correlated with temperature and precipitation.Our study evaluated the active components of C.pilosula,and findings show that lobetyolin,syringin,and tangshenoside I have potential efficacy in treating pulmonary fibrosis and oxidative stress.The differences in the quality of C.pilosula across varying commodity specification grades are not significant.The different contents of C.pilosula across varying origins are significant,with soluble sugars and glycosides serving as potential markers for distinguishing C.pilosula from different origins.Moreover,ecological factors drove the accumulation of C.pilosula components.Soluble sugars and tangshenoside I content were particularly influenced by temperature and precipitation.Sand content and electrical conductivity significantly correlated with syringin,whereas organic carbon negatively influenced total flavonoids.This research provides a theoretical basis for the selection of the C.pilosula growing area and lays a foundation for the study of the C.pilosula quality standard.
基金supported by the National Key Research and Devel-opment Project of China(2021YFD1600101)the earmarked fund for the China Agriculture Research System(CARS-12,CARS-13 and CARS-14)the Agricultural Science and Technology Innovation Program of Chinese Academy of Agricultural Sciences(CAAS-ASTIP-2024-OCRI).
文摘Flax(Linum usitatissimum L.)is an important oil crop in the high-altitude arid regions of China.Flaxseed is rich in various nutrients.However,the nutritional qualities of flaxseeds from different producing areas are still unclear.In this study,the nutritional characteristics of flaxseed from five producing areas in China were investigated.Twenty five nutritional quality indices in flaxseed were analyzed.Subsequently,chemometric methods,including cluster analysis,principal component analysis(PCA)and partial least square discriminant analysis(PLS-DA),were employed to discover the characteristics of nutritional qualities in flaxseeds.The results revealed there are significant differences in nutritional qualities among flaxseeds from different production areas.Six quality indices includingγ-tocopherol,vitamin E,phytosterols,oleic acid,α-linolenic acid,and cycloartenol were susceptible to producing area.In detail,the superiorcharacteristic nutrients of Ningxia flaxseed,Inner Mongolia flaxseed and Hebei flaxseed are vitamin E(17.3 mg/100g),α-linolenic acid(52.6%)and cycloartenol(1738.1 mg/kg),and phytosterols(3032.0 mg/kg),respectively.This study promotes the high-value development and utilization of local flaxseed industry.
文摘It’s a pleasure to be here and speak about the industrial copilot and generative AI and the changing applications.As you all know,generative AI has arrived since a few years ago,we have generative AI not only in the consumer world,but also in the industrial world.Siemens is very active in the industrial space.We need to make AI real,because at the end in industry manufacturing,you are producing parts in the real world.So we need to make sure that AI and its applications can interact and comply with the real world.
基金Supported by the National Natural Science Foundation of China(42372165)Science and Technology Special Project of PetroChina Oil&Gas and New Energy Company(2023YQX10101)+1 种基金Project of the Ministry of Natural Resources of China(QGYQZYPJ2022-1)China National Petroleum Corporation Science and Technology Project(2024DJ93)。
文摘In the late 1970s,the theory of coal-formed gas began to take root,sprout,develop,and improve in China.After decades of development,a complete theoretical system was finally formed.The theory of coal-formed gas points out that coal measures are good gas source rocks,with gas as the main hydrocarbon generated and oil as the auxiliary.It has opened up a new exploration idea using coal-bearing humic organic matter as the gas source,transforming the theoretical guidance for natural gas exploration in China from“monism”(i.e.oil-type gas)to“dualism”(i.e.coal-formed gas and oil-type gas)and uncovering a new field of natural gas exploration.Before the establishment of the coal-formed gas theory,China was a gas-poor country with low proved gas initially-in-place(merely 2264.33×10^(8)m^(3))and production(137.3×10^(8)m^(3)/a),corresponding to a per capita annual consumption of only 14.37 m^(3).Guided by the theory of coal-formed gas,the natural gas industry of China has developed rapidly.By the end of 2023,China registered the cumulative proved gas initially-in-place of 20.90×10^(12)m^(3),an annual gas production of 2343×10^(8)m^(3),and a per capita domestic gas consumption reaching 167.36 m^(3).The cumulative proved reserves initially-in-place and production of natural gas were dominated by coal-formed gas.Owing to this advancement,China has transformed from a gas-poor country to the fourth largest gas producer in the world.The coal-formed gas theory and the tremendous achievements made in natural gas exploration in China under its guidance have promoted China from a gas-poor country to a major gas-producing country in the world.
基金Under the auspices of National Natural Science Foundation of China(No.42371181)。
文摘Promoting the deep integration of advanced manufacturing and producer services is not only a key path for metropolitan to climb the global value chain,but also an important new driving force for optimizing urban spatial structure.Based on the two dimen-sions of industrial linkage and spatial co-agglomeration from the perspective of industrial integration,taking Beijing,China as a case,using industrial input-output data,micro-enterprise spatial data,and methods such as industrial linkage model,standard deviation el-lipse,and spatial similarity coefficient,this study explores the coupling relationship between industrial linkage and spatial co-agglomer-ation of advanced manufacturing and producer services from 2007 to 2020.The results demonstrate that:1)the industrial linkage between advanced manufacturing and producer services in Beijing has an upward trend,in which the business services have the most significant improvement,in which the business services have the most improvement while the technology services have the most de-crease,but in general,the industrial linkage between the two industries shows a low level.2)Producer services were more spatially clustered than advanced manufacturing,and the degree of spatial co-agglomeration of the two also showed an increasing trend,with strong regional and industrial heterogeneity characteristics,among which the pairing industry involving commerce services and techno-logy services had a more obvious improvement.3)The coupling analysis found that the spatial dependence between advanced manufac-turing and producer services decreased,showing a weak positive correlation and a decreasing trend between industrial linkage and spa-tial co-agglomeration;the heterogeneity among subdivision pairs is prominent,and the strong correlation between industries does not mean that there is an inevitable spatial co-agglomeration.4)Based on the differences in coupling relationships and influence mechan-isms,four coupling modes are identified:H-H type,H-L type,L-L type,and L-H type.Finally,this study proposes three policy implica-tions for the integration of advanced manufacturing and producer services in metropolitan areas.
基金support through an MTUN matching grant[Grant No.INDUSTRI(MTUN)/MEGATRAX/2024/FTKIP/I00089]supported by the Kesidang Scholarship awarded by UTeM to the main author.
文摘The Swiss-Ghana Amendments to the Basel Convention mark a significant milestone in global e-waste(electronic waste)management,requiring Prior Informed Consent(PIC)for all transboundary movements of Waste Electrical and Electronic Equipment(WEEE),regardless of their hazard classification.However,developing nations encounter substantial challenges in adhering to these amendments due to regulatory gaps,limited infrastructure,and an increasing influx of illicit e-waste imports.This study uses Malaysia as a case study to evaluate the readiness of developing nations to implement amendments,highlighting transferable solutions and recommendations.This study employs a mixedmethods approach that combines qualitative thematic analysis and bibliometric mapping to analyze academic literature,official reports,and international case studies.The findings reveal that while Malaysia has foundational policies in place,significant challenges remain in addressing informal recycling practices,improving enforcement mechanisms,and building the institutional capacity to implement PIC procedures effectively.This study identifies key areas for improvement,including regulatory reforms,infrastructure development,and enhanced monitoring systems.To address these issues,this study proposes a six-key Integrated Decision Framework that emphasizes legislative and regulatory updates,infrastructure development,international cooperation,capacity building and training,public awareness and engagement,and robust monitoring and enforcement mechanisms.Although tailored to Malaysia,the framework offers transferable solutions to align e-waste management systems with the Swiss-Ghana Amendments,providing a pathway for developing nations to strengthen regulatory readiness,mitigate environmental risks,and contribute to global sustainability.
基金supported by grants managed by l’Agence Nationale de la Recherche under the Investissements d’Avenir programs Grant Nos. ANR-18-EURE-0014, ANR-10-LABX-0039-PALM, and ANR-22-CE30-0044supported by grants from Japan Society for the Promotion of Science (JSPS) KAKENHI (Grant No. 23K20038)+2 种基金JSPS Core-to-Core program (Grant No. JPJSCCA20230003)carried out within the framework of the EUROfusion Consortium, funded by the European Union via the Euratom Research and Training Programme (Grant Agreement No. 101052200-EUROfusion)operated within the framework of the Enabling Research Project No. AWP24-ENR-IFE.02.CEA-01 “Magnetized ICF”
文摘We report the observation of Zeeman splitting in multiple spectral lines emitted by a laser-produced,magnetized plasma(1–3×10^(18)cm^(-3),1–15 eV)in the context of a laboratory astrophysics experiment under a controlled magneticfield up to 20T.Nitrogen lines(NII)in the visible range were used to diagnose the magneticfield and plasma conditions.This was performed by coupling our data with(563–574 nm)the Stark–Zeeman line-shape code PPPB.The excellent agreement between experiment and simulations paves the way for a non-intrusive experimental platform to get time-resolved measurements of the local magneticfield in laboratory plasmas.
基金supported by the National Natural Science Foundation of China(No.12075135)the National Natural Science Foundation of China(No.12375127)。
文摘The radioisotope actinium-225(^(225)Ac)has been successfully used for targeted alpha therapy in preclinical and clinical applications because of its excellent nuclear characteristics.Medium-and high-energy proton-spallation reactions on thorium are the most important methods for producing^(225)Ac.This study examines the possibility of producing^(225)Ac by irradiating thorium oxide with medium-energy protons.Thorium-oxide sheets were irradiated with 40-,50-,60-,70-,and 80-Me V protons on the Associated Proton-beam Experiment Platform(APEP)of the China Spallation Neutron Source(CSNS).The cross sections for the formation of^(225)Ac were measured using the activation method and offline gamma-ray spectrometric technique.The experimental results were compared with the existing data from EXFOR as well as the theoretical data from the TALYS-based evaluated nuclear-data library.Based on the experimental cross section and theoretical calculations,the production yield of^(225)Ac in the irradiated thorium targets was examined.The results showed that APEP can produce sufficient quantities of^(225)Ac for purification and clinical therapy.This work is the first measurement of proton-induced nuclearreaction cross sections at the CSNS APEP.
基金Supported by Project of Baotou University(BSY2010-23)~~
文摘[Objective] The paper was to establish embryonic stem cell system of goats. [Method] Numerous primordial germ cell colonies were derived from gonadal ridge and the surrounding tissues in 20 millimeter fetuses of down producing goat. Primordial germ cells and goats embryonic fibroblasts obtained from conceptus of equivaient gestational age were co-cultured. [Result] The colonies showed some characteristics of embryonic stem cells, such as the morphology of nest-like, they continued to be AKP positive and the ability to be continuously passed [Conclusion] These cells were pluripotent and ES-like cells.
