Global climate change has swept across every nation,community,business,and individual on the planet. It is essential to find a fundamental solution to address climate change from a broader perspective. Climate change ...Global climate change has swept across every nation,community,business,and individual on the planet. It is essential to find a fundamental solution to address climate change from a broader perspective. Climate change legislation should followthe principle of the sustainable development,polluter pays principle,the principle of the common but differentiated responsibilities as well as the principle of subsidiarity. Under the guidance of the four basic principles of legislation,the international field should build the legal system of the global climate governance,China should formulate special"the act of addressing climate change".展开更多
Through analyzing the current urban greenbelt construction and relative issues during the development in northeastern parts in Harbin of China, some feasible solutions were proposed. In order to improve the urban ecol...Through analyzing the current urban greenbelt construction and relative issues during the development in northeastern parts in Harbin of China, some feasible solutions were proposed. In order to improve the urban ecological environment and upgrading the constructive level of the urban greenbelt along with the sustainable development in the future, the paper provided some solutions in details展开更多
This paper discussed the definition and essential factors of green agriculture, including green ecological environment, green material energy input, application and the popularization of green agricultural technology,...This paper discussed the definition and essential factors of green agriculture, including green ecological environment, green material energy input, application and the popularization of green agricultural technology, the green behavior of worker, green policy regulations guarantee, fund support, supply and the production of green agriculture products, as well as the concept of green agriculture, structural mechanism and function. And finally existing problems in present green agriculture and five suggestions of green agricultural sustainable develonment were proposed.展开更多
The green development of socialism with Chinese characteristics is a scientific and rational choice based on the development theory of Marxism,reflecting on historical practice and practicing the value pursuit of Comm...The green development of socialism with Chinese characteristics is a scientific and rational choice based on the development theory of Marxism,reflecting on historical practice and practicing the value pursuit of Communists.Comprehensive understanding and mastering the internal logic and value pursuit of the green development of socialism with Chinese characteristics for a new era is in favor of upholding and improving the system of socialism with Chinese characteristics in the new situation,implementing the strictest ecological and environmental protection system,and unswervingly taking the path of innovation,coordination,green development,openness and sharing,and providing ideological powers and operational guidance for the construction of a Beautiful China and the modernization of harmonious coexistence between mankind and nature.展开更多
Background SRO(Similar to RCD1)genes family is largely recognized for their importance in the growth,develop-ment,and in responding to environmental stresses.However,genome-wide identification and functional character...Background SRO(Similar to RCD1)genes family is largely recognized for their importance in the growth,develop-ment,and in responding to environmental stresses.However,genome-wide identification and functional characteri-zation of SRO genes from cotton species have not been reported so far.Results A total of 36 SRO genes were identified from four cotton species.Phylogenetic analysis divided these genes into three groups with distinct structure.Syntenic and chromosomal distribution analysis indicated uneven distribu-tion of GaSRO,GrSRO,GhSRO,and GbSRO genes on A2,D5 genomes,Gh-At,Gh-Dt,Gb-At,and Gb-Dt subgenomes,respectively.Gene duplication analysis revealed the presence of six duplicated gene pairs among GhSRO genes.In promoter analysis,several elements responsive to the growth,development and hormones were found in GhSRO genes,implying gene induction during cotton growth and development.Several miRNAs responsive to plant growth and abiotic stress were predicted to target 12 GhSRO genes.Organ-specific expression profiling demonstrated the roles of GhSRO genes in one or more tissues.In addition,specific expression pattern of some GhSRO genes dur-ing ovule development depicted their involvement in these developmental processes.Conclusion The data presented in this report laid a foundation for understanding the classification and functions of SRO genes in cotton.展开更多
Background Aphis gossypii(Hemiptera:Aphididae)is a worldwide polyphagous phloem-feeding agricultural pest,and it can produce offspring by sexual or asexual reproduction.Compared with dozens of generations by parthenog...Background Aphis gossypii(Hemiptera:Aphididae)is a worldwide polyphagous phloem-feeding agricultural pest,and it can produce offspring by sexual or asexual reproduction.Compared with dozens of generations by parthenogenesis,sexual reproduction is performed in only one generation within one year,and little is known about the sexual reproduction of A.gossypii.In this study,sexual females of A.gossypii were successfully obtained through a previously established induction platform,and the morphological characteristics,developmental dynamics,and temporal gene expression were examined.Subsequently,signaling pathways potentially involved in regulating the growth,development,and reproduction of sexual females were investigated.Results The morphological observation showed that from the 1st instar nymph to adult,sexual females exhibited a gradually deepened body color,an enlarged body size,longer antennae with a blackened end,and obviously protruding cauda(in adulthood).The anatomy found that the ovaries of sexual females developed rapidly from the 2^(nd)instar nymph,and the embedded oocytes matured in adulthood.In addition,time-course transcriptome analysis revealed that gene expression profiles across the development of sexual females fell into 9 clusters with distinct patterns,in which gene expression levels in clusters 1,5,and 8 peaked at the 2^(nd)instar nymphal stage with the largest number of up-regulated genes,suggesting that the 2^(nd)instar nymph was an important ovary development period.Kyoto Encyclopedia of Genes and Genomes(KEGG)pathway enrichment analysis revealed that a large number of genes in the sexual female adult were enriched in the TGF-beta signaling pathway and Forkhead box O(FoxO)signaling pathway,highlighting their important role in sexual female adult development and reproduction.Conclusion The morphological changes of the sexual female at each developmental stage were revealed for the first time.In addition,time-course transcriptomic analyses suggest genes enriched in the TGF-beta signaling pathway and FoxO signaling pathway probably contribute to regulating the development and oocyte maturation of sexual females.Overall,these findings will facilitate the regulating mechanism research in the growth and development of sexual females by providing candidate genes.展开更多
With the aim of reducing the cost of developing internal combustion engines,while at the same time investigating different geometries,layouts and fuels,3D-CFD-CHT simulations represent an indispensable part for the de...With the aim of reducing the cost of developing internal combustion engines,while at the same time investigating different geometries,layouts and fuels,3D-CFD-CHT simulations represent an indispensable part for the development of new technologies.These tools are increasingly used by manufacturers,as a screening process before building the first prototype.This paper presents an innovative methodology for virtual engine development.The 3D-CFD tool QuickSim,developed at FKFS,allows both a significant reduction in computation time and an extension of the simulated domain for complete engine systems.This is possible thanks to a combination of coarse meshes and self-developed internal combustion engine models,which simultaneously ensure high predictability.The present work demonstrates the capabilities of this innovative methodology for the design and optimization of different engines and fuels with the goal of achieving the highest possible combustion efficiencies and pollutant reductions.The analysis focuses on the influence of different fuels such as hydrogen,methanol,synthetic gasolines and methane on different engine geometries,in combination with suitable injection and ignition systems,including passive and active pre-chambers.Lean operations as well as knock reduction are discussed,particularly for methane and hydrogen injection.Finally,it is shown how depending on the chosen fuel,an appropriate ad-hoc engine layout can be designed to increase the indicated efficiency of the respective engines.展开更多
Green Development strategy is officially no longer a pending question in China's development process however the transition from the Traditional Model to the implementation of Green Model Development is slow and p...Green Development strategy is officially no longer a pending question in China's development process however the transition from the Traditional Model to the implementation of Green Model Development is slow and presents a challenge to State's Responsibility in managing ways of life. We seek to analyze: "Why visible changes come slow despite a firm policy?"Short-term and long-term Green Development strategies of implementation are difficult to coordinate and may cause a crumbling transition. It is in State's responsibility to ensure"slow but steady"transition,with a low risk of collateral damage and a transition compatible with inequalities that still exist between rural and urban areas. Green Development Model implementation has three major features,sustainable development,state responsibility and time.展开更多
Attempts to understand and respond to the threat of anthropogenic climate change,the defining challenge of our era,increasingly reveal the inadequacy of the dominant conceptual systems of thought.Recognizing the need ...Attempts to understand and respond to the threat of anthropogenic climate change,the defining challenge of our era,increasingly reveal the inadequacy of the dominant conceptual systems of thought.Recognizing the need for a fundamental change in the dominant models of industrial development,the concept of sustainability has quickly become the idea around which contemporary environmentalism is centered.This essay argues that while the concept of sustainability is important,it ultimately does not address the root of the ecological crisis.With Aldo Leopold(1887-1948),I argue that it is an"evolutionary possibility and an ecological necessity"that we develop what he calls a"land ethic."If we are truly to address the root causes of the ecological crisis,humanity must stop conceiving of proper land use merely in terms of economic expedience and recognize that we are ultimately a member and citizen of the wider"biotic community."In the end,green development is development which is compatible with the integrity,stability,and beauty of the nature.展开更多
基金a research result of "Jiangxi Provincial Planning Project of Social Science‘Research on the Allocation System of Natural Resources Rights’"(Project No.18FX08)"National Social Science Fund of China‘Research on the Reform of the Approval System for the Allocation of State-owned Natural Resources’"(Project No.17BFX085)supported by"Youth Elite Project of Jiangxi Normal University"
文摘Global climate change has swept across every nation,community,business,and individual on the planet. It is essential to find a fundamental solution to address climate change from a broader perspective. Climate change legislation should followthe principle of the sustainable development,polluter pays principle,the principle of the common but differentiated responsibilities as well as the principle of subsidiarity. Under the guidance of the four basic principles of legislation,the international field should build the legal system of the global climate governance,China should formulate special"the act of addressing climate change".
基金Supported by Program for Doctor Funds of Northeast Agricultural University (2009RC40)
文摘Through analyzing the current urban greenbelt construction and relative issues during the development in northeastern parts in Harbin of China, some feasible solutions were proposed. In order to improve the urban ecological environment and upgrading the constructive level of the urban greenbelt along with the sustainable development in the future, the paper provided some solutions in details
文摘This paper discussed the definition and essential factors of green agriculture, including green ecological environment, green material energy input, application and the popularization of green agricultural technology, the green behavior of worker, green policy regulations guarantee, fund support, supply and the production of green agriculture products, as well as the concept of green agriculture, structural mechanism and function. And finally existing problems in present green agriculture and five suggestions of green agricultural sustainable develonment were proposed.
文摘The green development of socialism with Chinese characteristics is a scientific and rational choice based on the development theory of Marxism,reflecting on historical practice and practicing the value pursuit of Communists.Comprehensive understanding and mastering the internal logic and value pursuit of the green development of socialism with Chinese characteristics for a new era is in favor of upholding and improving the system of socialism with Chinese characteristics in the new situation,implementing the strictest ecological and environmental protection system,and unswervingly taking the path of innovation,coordination,green development,openness and sharing,and providing ideological powers and operational guidance for the construction of a Beautiful China and the modernization of harmonious coexistence between mankind and nature.
文摘Background SRO(Similar to RCD1)genes family is largely recognized for their importance in the growth,develop-ment,and in responding to environmental stresses.However,genome-wide identification and functional characteri-zation of SRO genes from cotton species have not been reported so far.Results A total of 36 SRO genes were identified from four cotton species.Phylogenetic analysis divided these genes into three groups with distinct structure.Syntenic and chromosomal distribution analysis indicated uneven distribu-tion of GaSRO,GrSRO,GhSRO,and GbSRO genes on A2,D5 genomes,Gh-At,Gh-Dt,Gb-At,and Gb-Dt subgenomes,respectively.Gene duplication analysis revealed the presence of six duplicated gene pairs among GhSRO genes.In promoter analysis,several elements responsive to the growth,development and hormones were found in GhSRO genes,implying gene induction during cotton growth and development.Several miRNAs responsive to plant growth and abiotic stress were predicted to target 12 GhSRO genes.Organ-specific expression profiling demonstrated the roles of GhSRO genes in one or more tissues.In addition,specific expression pattern of some GhSRO genes dur-ing ovule development depicted their involvement in these developmental processes.Conclusion The data presented in this report laid a foundation for understanding the classification and functions of SRO genes in cotton.
基金funded by National Natural Science Foundation of China(No.32102214)Agricultural Science and Technology Innovation Program of Chinese Academy of Agricultural Sciences+1 种基金China Agriculture Research System(CARS-15-21)National Key R&D Program of China(2022YFD1400300)。
文摘Background Aphis gossypii(Hemiptera:Aphididae)is a worldwide polyphagous phloem-feeding agricultural pest,and it can produce offspring by sexual or asexual reproduction.Compared with dozens of generations by parthenogenesis,sexual reproduction is performed in only one generation within one year,and little is known about the sexual reproduction of A.gossypii.In this study,sexual females of A.gossypii were successfully obtained through a previously established induction platform,and the morphological characteristics,developmental dynamics,and temporal gene expression were examined.Subsequently,signaling pathways potentially involved in regulating the growth,development,and reproduction of sexual females were investigated.Results The morphological observation showed that from the 1st instar nymph to adult,sexual females exhibited a gradually deepened body color,an enlarged body size,longer antennae with a blackened end,and obviously protruding cauda(in adulthood).The anatomy found that the ovaries of sexual females developed rapidly from the 2^(nd)instar nymph,and the embedded oocytes matured in adulthood.In addition,time-course transcriptome analysis revealed that gene expression profiles across the development of sexual females fell into 9 clusters with distinct patterns,in which gene expression levels in clusters 1,5,and 8 peaked at the 2^(nd)instar nymphal stage with the largest number of up-regulated genes,suggesting that the 2^(nd)instar nymph was an important ovary development period.Kyoto Encyclopedia of Genes and Genomes(KEGG)pathway enrichment analysis revealed that a large number of genes in the sexual female adult were enriched in the TGF-beta signaling pathway and Forkhead box O(FoxO)signaling pathway,highlighting their important role in sexual female adult development and reproduction.Conclusion The morphological changes of the sexual female at each developmental stage were revealed for the first time.In addition,time-course transcriptomic analyses suggest genes enriched in the TGF-beta signaling pathway and FoxO signaling pathway probably contribute to regulating the development and oocyte maturation of sexual females.Overall,these findings will facilitate the regulating mechanism research in the growth and development of sexual females by providing candidate genes.
文摘With the aim of reducing the cost of developing internal combustion engines,while at the same time investigating different geometries,layouts and fuels,3D-CFD-CHT simulations represent an indispensable part for the development of new technologies.These tools are increasingly used by manufacturers,as a screening process before building the first prototype.This paper presents an innovative methodology for virtual engine development.The 3D-CFD tool QuickSim,developed at FKFS,allows both a significant reduction in computation time and an extension of the simulated domain for complete engine systems.This is possible thanks to a combination of coarse meshes and self-developed internal combustion engine models,which simultaneously ensure high predictability.The present work demonstrates the capabilities of this innovative methodology for the design and optimization of different engines and fuels with the goal of achieving the highest possible combustion efficiencies and pollutant reductions.The analysis focuses on the influence of different fuels such as hydrogen,methanol,synthetic gasolines and methane on different engine geometries,in combination with suitable injection and ignition systems,including passive and active pre-chambers.Lean operations as well as knock reduction are discussed,particularly for methane and hydrogen injection.Finally,it is shown how depending on the chosen fuel,an appropriate ad-hoc engine layout can be designed to increase the indicated efficiency of the respective engines.
文摘Green Development strategy is officially no longer a pending question in China's development process however the transition from the Traditional Model to the implementation of Green Model Development is slow and presents a challenge to State's Responsibility in managing ways of life. We seek to analyze: "Why visible changes come slow despite a firm policy?"Short-term and long-term Green Development strategies of implementation are difficult to coordinate and may cause a crumbling transition. It is in State's responsibility to ensure"slow but steady"transition,with a low risk of collateral damage and a transition compatible with inequalities that still exist between rural and urban areas. Green Development Model implementation has three major features,sustainable development,state responsibility and time.
文摘Attempts to understand and respond to the threat of anthropogenic climate change,the defining challenge of our era,increasingly reveal the inadequacy of the dominant conceptual systems of thought.Recognizing the need for a fundamental change in the dominant models of industrial development,the concept of sustainability has quickly become the idea around which contemporary environmentalism is centered.This essay argues that while the concept of sustainability is important,it ultimately does not address the root of the ecological crisis.With Aldo Leopold(1887-1948),I argue that it is an"evolutionary possibility and an ecological necessity"that we develop what he calls a"land ethic."If we are truly to address the root causes of the ecological crisis,humanity must stop conceiving of proper land use merely in terms of economic expedience and recognize that we are ultimately a member and citizen of the wider"biotic community."In the end,green development is development which is compatible with the integrity,stability,and beauty of the nature.
