As part of their efforts to cope with climate change, many municipal governments have considered the improvement of urban resilience as an important strategy. In this study, we take the megacity of Beijing as an examp...As part of their efforts to cope with climate change, many municipal governments have considered the improvement of urban resilience as an important strategy. In this study, we take the megacity of Beijing as an example and conduct a mixed-methods research using both qualitative and quantitative methods to explore linkage between resilience and development. First, based on expert consultation, we develop an analytical framework and propose reference indicators for measuring urban resilience. Second, we conduct an exploratory factor analysis to justify this analytical framework and rank the urban resilience index for 16 districts in Beijing. Results indicate that urban resilience at the district level is distinguished by the characteristics of the district's functional zones. This implies that the development focus of each district influences the driving factors of urban resilience. This article provides evidence that development and adaptation can be complementary. We showcase in Beijing that urban generic resilience is highly dependent on socio-economic development and urbanization, whereas specific resilience to climatic extremes can be attributed to natural endowment and environmental investment. In conclusion, using this study's findings as a guideline, mega-cities are urged to adopt development-oriented adaptation as a strategy of proactive risk planning in the context of rapid urbanization and global climate change in China.展开更多
A newly emerging design pattern,named as adaptable design(AD),which aims at developing products that are adaptable from design to post-life cycle,is discussed.AD consists of four main phases:product modeling,design pl...A newly emerging design pattern,named as adaptable design(AD),which aims at developing products that are adaptable from design to post-life cycle,is discussed.AD consists of four main phases:product modeling,design platform,specific design and product redesign.A new process-based design data model(PDDM)is presented which is organized according to the principles of convenient knowledge extraction,data representation,layout,sharing and reuse.Based on the PDDM,a universal design platform for product family development is established,which has characters of modularity,parameter-driven,variant design,etc.The framework of the platform is also proposed as a conceptual structure and overall logical organization for generating a family of products.AD methodology is successfully applied to develop a family of tunnel boring machine(TBM)for different engineering projects,with the efficiency of our developing team being greatly increased.展开更多
In this paper, the relationship between sustainable development and the adaptation to the impacts of global change is discussed. With relevant issues in northwestern and coastal areas of China as examples, it is shown...In this paper, the relationship between sustainable development and the adaptation to the impacts of global change is discussed. With relevant issues in northwestern and coastal areas of China as examples, it is shown that both the problems of adaptation and sustainable development are of a systematic nature.展开更多
Quinoa is the only single plant meeting the basic nutritional needs of the human body. It is the whole nutritious food with nutritional balance, wide adaptability, strong resistance and other characteristics. In this ...Quinoa is the only single plant meeting the basic nutritional needs of the human body. It is the whole nutritious food with nutritional balance, wide adaptability, strong resistance and other characteristics. In this paper, the botanical characteristics and nutritional value of quinoa were systematically introduced, and the development of quinoa in China was reviewed. The problems of domestic quinoa industry, the shortage of germplasm resources, the lack of innovation and high-yielding cultivation techniques were analyzed. To provide theoretical references for quinoa planting and industrial development in China, the countermeasures to improve the investment of quinoa industry and promote the development of multi-form industry were put forward.展开更多
Microbes play a critical role in shaping immune development,with growing interest in how rhinovirus(RV)interacts with the host immune system,particularly in individuals with asthma and chronic obstructive pul-monary d...Microbes play a critical role in shaping immune development,with growing interest in how rhinovirus(RV)interacts with the host immune system,particularly in individuals with asthma and chronic obstructive pul-monary disease(COPD).Disruptions in microbial balance during RV infections can impair immune homeostasis and worsen disease outcomes.Recent studies emphasize RV-induced regulation of antiviral defenses,cytokine production,and immune tolerance.This review explores the interplay between RV,the immune system,and microbiota,highlighting the importance of these interactions in guiding effective therapies for respiratory in-fections.It advances existing literature by considering microbiota-mediated therapies as a novel approach to managing RV exacerbations in respiratory diseases like asthma and COPD.展开更多
Leaf color mutants (LCMs) provide crucial insights into the regulatory mechanisms underlying chloroplast development,photo synthesis,and stre ss adaptation.In this study,we identified a temperature-sensitive albino mu...Leaf color mutants (LCMs) provide crucial insights into the regulatory mechanisms underlying chloroplast development,photo synthesis,and stre ss adaptation.In this study,we identified a temperature-sensitive albino mutant,tsa4,characterized by an albino phenotype at the seedling stage and abnormal chloroplast development at temperatures below 25℃.展开更多
Based on the adaptive analysis paradigm,this paper constructs an evaluation index system and an evaluation model of the level of industrial ecology of a restricted development zone from the perspective of the industri...Based on the adaptive analysis paradigm,this paper constructs an evaluation index system and an evaluation model of the level of industrial ecology of a restricted development zone from the perspective of the industrial system and of the environmental system,and studies the spatial-temporal differentiation characteristics and the driving factors of the level of industrial ecology of the restricted development zone of the Shandong Province,China,by using a variety of measurement methods.The results show that:1)In the temporal dimension,the level of industrial ecology of the research area increased from 2005 to 2017,while in the regional dimension,it was higher in the eastern coastal areas,followed by the northwestern area and the southwestern area;2)In the spatial dimension,from 2005 to 2017 the level of industrial ecology of the research area had a clear spatial dependence,and the regional spatial agglomeration of the restricted development zones with similar industrial ecology levels become increasingly evident;3)On the whole,the industrial ecology level in the study area had a clear spatial differentiation pattern,as it was higher in the north and in the east and lower in the south and in the west.Moreover,its evolution model changed from a‘three-core driven model’to a‘spatial scattered mosaic distribution model’,and then to a‘single-core driven model’;4)Industrial ecology was positively correlated with economic development,foreign investment,science and technology,and negatively correlated with the government role,while industrial structure and environmental regulation failed to pass the statistical significance test.展开更多
Clinical research laboratories, bioinformatics core facilities, and health science organizations often rely on heavy planning based software development models to propose, build, and distribute software as a consumabl...Clinical research laboratories, bioinformatics core facilities, and health science organizations often rely on heavy planning based software development models to propose, build, and distribute software as a consumable product. Projects in non-agile software life cycles tend to have rigid “plan-design-build” milestones, increasing the amount of time needed for software development completion. Though the classic software development approach is needed for large-scale and organizational projects, clinical research laboratories can expedite software development while maintaining quality by using lean prototyping as a condition of project advancement to a committed adaptive software development cycle. Software projects benefit from an agile methodology due to the active and changing requirements often guided by experimental data driven models. We describe a lean to adaptive method used in parallel with laboratory bench work to develop quality software quickly that meets the requirements of a fast-paced research environment and reducing time to production, providing immediate value to the end user, and limiting unnecessary development practices in favor of results.展开更多
Ho Chi Minh City(HCMC)has a high density of rivers and canals,so it is often strongly affected by high tides.The rapid urbanization process of a city with more than 13 million people,along with human activities with r...Ho Chi Minh City(HCMC)has a high density of rivers and canals,so it is often strongly affected by high tides.The rapid urbanization process of a city with more than 13 million people,along with human activities with rivers such as accretion,river encroachment,sand mining,construction of houses close to the riverbanks,...that stop the flow of rivers and canals,causes high tides to rise quickly and recede slowly,therefore difficult to control.The residential areas of people along the canals in the city are clearly affected by the phenomenon of high tides and it causes many difficulties to people’s lives,especially people living in Nha Be district-a southeast district of HCMC,where the terrain is low-lying,and also the water collection area of the whole city.This is an area that is expected to be flooded more and more heavily due to the increasingly strong impact of high tides.The inevitable consequence of the flooding-high tide phenomenon is that the living and business environment is not guaranteed,people’s life quality does not improve,and a part of the residents have to relocate.So,how to build a housing model that adapts to flooding/high tide in Nha Be District,HCMC against the impacts of high tides?This article is a qualitative study using mixed methods including Document Synthesis&Comparison,Questionnaire,Interview,and Observation methods.The investigation,survey,and assessment on the impact of high tides on housing in Nha Be District,HCMC was carried out in the year 2019-2020.This study aims to find out the experiences in building models of houses that can adapt to flood/high tide and their applicability to some types of houses in Nha Be District,HCMC.These solutions are aimed at improving the quality of life of people living along the canals of Nha Be District,HCMC and effectively contribute to sustainable socio-economic development.展开更多
Evolution,adaptation and selection always exist in the evolutionary process of any species,which is the result of interrelation and interaction between living things and their environments,and the incarnation of natur...Evolution,adaptation and selection always exist in the evolutionary process of any species,which is the result of interrelation and interaction between living things and their environments,and the incarnation of natural laws in the evolutionary process of any species. Only if accurately understanding their connotation and interrelation among them,taking the evolution of living things as the line with centralizing the human sustainable development,dialectically unifying the active adaptation of the human being to their environments and oriented selection of nature and the society to species,we can acquire a better understanding of evolution of living things and a deeper understanding of the human sustainable development under biologically evolutionary background and uphold the true Darwinism,modern evolutionary point of view and the concept of current sustainable development in theory and in practice.展开更多
Mangrove distribution along shorelines shows distinct zonation patterns;thus,different communities may face various influences from sea level rise(SLR)and land use.However,long-term change predictions are usually base...Mangrove distribution along shorelines shows distinct zonation patterns;thus,different communities may face various influences from sea level rise(SLR)and land use.However,long-term change predictions are usually based only on the total extent of mangroves.Few studies have revealed how SLR and land development such as agriculture,aquaculture,and urbanization jointly affect different intertidal mangrove communities.This study proposed a novel framework combining SLAMM(Sea Level Affecting Marshes Model)and the CLUE-S(Conversion of Land Use and its Effect at Small regional extent)model to assess the potential impacts on upper and lower intertidal mangrove communities.Maoweihai in Guangxi,China,was selected as the study area and the potential impacts from the squeeze effect and mangrove expansion potential were evaluated.We established three scenarios combining SLR and land use patterns to predict mangrove coverage projections by 2070.The results showed that,under a single SLR driver,the upper intertidal mangroves would be more adaptive to rapid SLR than the lower intertidal mangroves.However,under the combined influence of the two drivers,the upper intertidal mangroves would experience larger squeeze effects than the lower intertidal mangroves,with up to 80.5%of suitable habitat lost.Moreover,the expansion potential of upper intertidal mangroves would be considerably more limited than that of lower intertidal mangroves.The length of the expandable habitat patch boundary of upper intertidal mangroves only reached 1.4–1.8 km,while that of the lower intertidal mangroves reached up to99.2–111.2 km.Further,we found that aquaculture ponds and cropland are the top two land development types that could occupy suitable habitat and restrict the mangrove expansion potential.Our results highlight that timely improvement of land use policies to create available landward accommodation space for mangrove migration is essential to maintain the coverage and diversity of mangrove communities under SLR.The proposed method can be a helpful tool for adaptive mangrove conservation and management under climate change.展开更多
In order to address challenges posed by advances in mobile computing, ubiquitous devices software engineering, wireless and sensor technologies in many applications running, this paper provides an approach that simpli...In order to address challenges posed by advances in mobile computing, ubiquitous devices software engineering, wireless and sensor technologies in many applications running, this paper provides an approach that simplifies the design and the implementation of context-aware Interactive systems called CAISDA (Context-Aware Interactive System Development Approach). This approach is based on the analysis and synthesis of context-aware frameworks proposed in literature.展开更多
As for ultra-low permeability reservoir,the adaptability of common nine-spot well pattern is studied through large-scale flat models made by micro-fractured natural sandstone outcrops.Combined with non-linear porous f...As for ultra-low permeability reservoir,the adaptability of common nine-spot well pattern is studied through large-scale flat models made by micro-fractured natural sandstone outcrops.Combined with non-linear porous flow characteristics,the concept of dimensionless pressure sweep efficiency and deliverability index are put forward to evaluate the physical models' well pattern adaptability.Through experiments,the models' pressure distribution is measured and on which basis,the pressure gradient fields are drawn and the porous flow regions of these models are divided into dead oil region,non-linear porous flow region,and quasi-linear porous flow region with the help of twin-core non-linear porous flow curve.The results indicate that rectangular well pattern in fracture reservoirs has the best adaptability,while the worst is inverted nine-spot equilateral well pattern.With the increase of drawdown pressure,dead oil region decreases,pressure sweep efficiency and deliverability index increase; meantime,the deliverability index of rectangular well pattern has much more rational increase.Under the same drawdown pressure,the rectangular well pattern has the largest pressure sweep efficiency.展开更多
Urban waterfronts, where the land of city meets a body of water, are unique and finite resources representing the best opportunities for community enhancement and enrichment. On the other hand, waterfronts are also hi...Urban waterfronts, where the land of city meets a body of water, are unique and finite resources representing the best opportunities for community enhancement and enrichment. On the other hand, waterfronts are also high-risk areas, where the water-related disasters could seriously affect the long-term sustainability of urban environment. This paper focuses on the relationship of the cities with their waterfronts. It presents a case study of Wuhan--a Chinese metropolis, where waterfronts play an important role in its urban planning policy. It attempts to investigate the mechanism of waterfront transformation, and to find out which strategies to adapt and what resilience means in terms of urban waterfronts in a rapidly transforming city. This article examines some representative urban projects on the waterfront and summarizes spatial models applied on the waterfront with distinct policies. Finally, it demonstrates that an urban waterfront is an ＂osmotic interface＂ which should be more correctly envisaged as a network of places, functions, additions and hinges between the city and its water environment. It clarifies that waterfront areas represent a multidisciplinary and multitasking issue in perspective of urban resilient development.展开更多
Digital rural governance is a micro-level governance practice within the broader framework of building a Digital China.It involves the integration of digital technology into rural governance to drive the digital trans...Digital rural governance is a micro-level governance practice within the broader framework of building a Digital China.It involves the integration of digital technology into rural governance to drive the digital transformation of rural governance.In recognition of the varied development stages of digital rural governance,the concept of“digital context”provides an analytical lens for exploring the differences in practical models of digital rural governance.By examining the contextual characteristics and differential mechanisms of digital rural governance,this paper delves into its social foundation and technological adaptation.The research finds that the context of digital rural governance primarily encompasses three dimensions:contextual foundation,contextual logic,and contextual optimization.First,the contextual foundation of digital rural governance manifests as the social basis,comprising the social structure of villages,the type of village development,and the age structure of villagers,which constitute the social stratification forms underlying digital rural governance.Second,the contextual logic of digital rural governance focuses on the adaptation of digital technology to rural governance,promoting the adaptation of digital technology to the rural governance foundation,village governance scenarios,and villagers’digital capabilities.Third,the contextual optimization of digital rural governance emphasizes integrating digital technology with both administrative and livelihood-oriented governance affairs at the village level.This approach leverages the governance value and functional potential of digital technology to streamline digital governance processes and enhance digital governance capabilities.As a developmental direction for the transformation of rural governance,digital rural governance must not only highlight the governance advantages of digital technology but also prioritize the inherent context of rural governance.It aims to enhance the effectiveness of rural governance through digital technology and advance high-quality digital village development tailored to local conditions.展开更多
There have been an increasing number of studies on climate change and population health over the past 20 years,with most focusing on health risk assessment,targeting different locations and populations with various di...There have been an increasing number of studies on climate change and population health over the past 20 years,with most focusing on health risk assessment,targeting different locations and populations with various diseases[1−2].While these studies have provided the necessary epidemiological evidence for health authorities in policymaking,it is time to develop and implement tailored health interventions to protect the health and well-being of communities,and particularly that of vulnerable groups.展开更多
The adaptive cycle engine(ACE)is considered a crucial candidate for the propulsion systems of next-generation aircraft.Its high thrust and low fuel consumption operating modes make it suitable for various flight missi...The adaptive cycle engine(ACE)is considered a crucial candidate for the propulsion systems of next-generation aircraft.Its high thrust and low fuel consumption operating modes make it suitable for various flight missions.However,the complex couplings and novel components in the ACE pose significant challenges to its performance design.This paper presents a systematic literature review on development status and performance deign of ACEs.Firstly,the development of ACE at various periods over the past few decades is presented.Then,four typical ACE configurations are introduced and analyzed based the differences of the core and the low-pressure compression system.After that,an emphasis is placed on the performance optimization method for ACE under various operating conditions,including steadystate,mode transition,acceleration/deceleration,and considering uncertainties.In addition,the numerical zooming technology for non-rotating components,rotating components,as well as intake and exhaust system are summarized in this paper.Through the above summary and analysis,the development trends in ACE performance design are explored.展开更多
文摘As part of their efforts to cope with climate change, many municipal governments have considered the improvement of urban resilience as an important strategy. In this study, we take the megacity of Beijing as an example and conduct a mixed-methods research using both qualitative and quantitative methods to explore linkage between resilience and development. First, based on expert consultation, we develop an analytical framework and propose reference indicators for measuring urban resilience. Second, we conduct an exploratory factor analysis to justify this analytical framework and rank the urban resilience index for 16 districts in Beijing. Results indicate that urban resilience at the district level is distinguished by the characteristics of the district's functional zones. This implies that the development focus of each district influences the driving factors of urban resilience. This article provides evidence that development and adaptation can be complementary. We showcase in Beijing that urban generic resilience is highly dependent on socio-economic development and urbanization, whereas specific resilience to climatic extremes can be attributed to natural endowment and environmental investment. In conclusion, using this study's findings as a guideline, mega-cities are urged to adopt development-oriented adaptation as a strategy of proactive risk planning in the context of rapid urbanization and global climate change in China.
文摘A newly emerging design pattern,named as adaptable design(AD),which aims at developing products that are adaptable from design to post-life cycle,is discussed.AD consists of four main phases:product modeling,design platform,specific design and product redesign.A new process-based design data model(PDDM)is presented which is organized according to the principles of convenient knowledge extraction,data representation,layout,sharing and reuse.Based on the PDDM,a universal design platform for product family development is established,which has characters of modularity,parameter-driven,variant design,etc.The framework of the platform is also proposed as a conceptual structure and overall logical organization for generating a family of products.AD methodology is successfully applied to develop a family of tunnel boring machine(TBM)for different engineering projects,with the efficiency of our developing team being greatly increased.
文摘In this paper, the relationship between sustainable development and the adaptation to the impacts of global change is discussed. With relevant issues in northwestern and coastal areas of China as examples, it is shown that both the problems of adaptation and sustainable development are of a systematic nature.
基金Supported by Construction of Minor Cereals Industry Innovation Team of Shandong Agricultural Industry Research System(SDARS-16-01)High Level Talent Introduction and Youth Talent Training Program of Shandong Academy of Agricultural SciencesAgricultural Science and Technology Innovation Project of Shandong Academy of Agricultural Sciences(CXGC2016A02)
文摘Quinoa is the only single plant meeting the basic nutritional needs of the human body. It is the whole nutritious food with nutritional balance, wide adaptability, strong resistance and other characteristics. In this paper, the botanical characteristics and nutritional value of quinoa were systematically introduced, and the development of quinoa in China was reviewed. The problems of domestic quinoa industry, the shortage of germplasm resources, the lack of innovation and high-yielding cultivation techniques were analyzed. To provide theoretical references for quinoa planting and industrial development in China, the countermeasures to improve the investment of quinoa industry and promote the development of multi-form industry were put forward.
文摘Microbes play a critical role in shaping immune development,with growing interest in how rhinovirus(RV)interacts with the host immune system,particularly in individuals with asthma and chronic obstructive pul-monary disease(COPD).Disruptions in microbial balance during RV infections can impair immune homeostasis and worsen disease outcomes.Recent studies emphasize RV-induced regulation of antiviral defenses,cytokine production,and immune tolerance.This review explores the interplay between RV,the immune system,and microbiota,highlighting the importance of these interactions in guiding effective therapies for respiratory in-fections.It advances existing literature by considering microbiota-mediated therapies as a novel approach to managing RV exacerbations in respiratory diseases like asthma and COPD.
基金financially supported by the National Natural Science Foundation of China(Grant Nos.32341026 and 32171998)the Hunan Provincial Science and Technology Innovation Program,China(Grant No.2023NK1010)the Changsha Natural Science Foundation,China(Grant No.20209001).
文摘Leaf color mutants (LCMs) provide crucial insights into the regulatory mechanisms underlying chloroplast development,photo synthesis,and stre ss adaptation.In this study,we identified a temperature-sensitive albino mutant,tsa4,characterized by an albino phenotype at the seedling stage and abnormal chloroplast development at temperatures below 25℃.
基金Under the auspices of National Natural Science Foundation of China(No.41801105,41771138)National Natural Science Foundation of Shandong(No.ZR2018BD002)Social Science Planning Research Project of Shandong(No.18DJJJ14)。
文摘Based on the adaptive analysis paradigm,this paper constructs an evaluation index system and an evaluation model of the level of industrial ecology of a restricted development zone from the perspective of the industrial system and of the environmental system,and studies the spatial-temporal differentiation characteristics and the driving factors of the level of industrial ecology of the restricted development zone of the Shandong Province,China,by using a variety of measurement methods.The results show that:1)In the temporal dimension,the level of industrial ecology of the research area increased from 2005 to 2017,while in the regional dimension,it was higher in the eastern coastal areas,followed by the northwestern area and the southwestern area;2)In the spatial dimension,from 2005 to 2017 the level of industrial ecology of the research area had a clear spatial dependence,and the regional spatial agglomeration of the restricted development zones with similar industrial ecology levels become increasingly evident;3)On the whole,the industrial ecology level in the study area had a clear spatial differentiation pattern,as it was higher in the north and in the east and lower in the south and in the west.Moreover,its evolution model changed from a‘three-core driven model’to a‘spatial scattered mosaic distribution model’,and then to a‘single-core driven model’;4)Industrial ecology was positively correlated with economic development,foreign investment,science and technology,and negatively correlated with the government role,while industrial structure and environmental regulation failed to pass the statistical significance test.
文摘Clinical research laboratories, bioinformatics core facilities, and health science organizations often rely on heavy planning based software development models to propose, build, and distribute software as a consumable product. Projects in non-agile software life cycles tend to have rigid “plan-design-build” milestones, increasing the amount of time needed for software development completion. Though the classic software development approach is needed for large-scale and organizational projects, clinical research laboratories can expedite software development while maintaining quality by using lean prototyping as a condition of project advancement to a committed adaptive software development cycle. Software projects benefit from an agile methodology due to the active and changing requirements often guided by experimental data driven models. We describe a lean to adaptive method used in parallel with laboratory bench work to develop quality software quickly that meets the requirements of a fast-paced research environment and reducing time to production, providing immediate value to the end user, and limiting unnecessary development practices in favor of results.
基金Le-Minh Ngo,which was made possible by a 2018-2020 Ho Chi Minh City Department of Science and Technology Grant.Among the contributions,space design solutions were designed and illustrated by the master’s students of architecture,under the supervision of Le-Minh Ngo,in 2019-2020.
文摘Ho Chi Minh City(HCMC)has a high density of rivers and canals,so it is often strongly affected by high tides.The rapid urbanization process of a city with more than 13 million people,along with human activities with rivers such as accretion,river encroachment,sand mining,construction of houses close to the riverbanks,...that stop the flow of rivers and canals,causes high tides to rise quickly and recede slowly,therefore difficult to control.The residential areas of people along the canals in the city are clearly affected by the phenomenon of high tides and it causes many difficulties to people’s lives,especially people living in Nha Be district-a southeast district of HCMC,where the terrain is low-lying,and also the water collection area of the whole city.This is an area that is expected to be flooded more and more heavily due to the increasingly strong impact of high tides.The inevitable consequence of the flooding-high tide phenomenon is that the living and business environment is not guaranteed,people’s life quality does not improve,and a part of the residents have to relocate.So,how to build a housing model that adapts to flooding/high tide in Nha Be District,HCMC against the impacts of high tides?This article is a qualitative study using mixed methods including Document Synthesis&Comparison,Questionnaire,Interview,and Observation methods.The investigation,survey,and assessment on the impact of high tides on housing in Nha Be District,HCMC was carried out in the year 2019-2020.This study aims to find out the experiences in building models of houses that can adapt to flood/high tide and their applicability to some types of houses in Nha Be District,HCMC.These solutions are aimed at improving the quality of life of people living along the canals of Nha Be District,HCMC and effectively contribute to sustainable socio-economic development.
基金Supported by Science Foundation of Chuxiong Normal University(06YJRC19)Key Subject Construction of Chuxiong Normal University (05YJJSXK03 )National Natural Science Foundation of China (30760040)~~
文摘Evolution,adaptation and selection always exist in the evolutionary process of any species,which is the result of interrelation and interaction between living things and their environments,and the incarnation of natural laws in the evolutionary process of any species. Only if accurately understanding their connotation and interrelation among them,taking the evolution of living things as the line with centralizing the human sustainable development,dialectically unifying the active adaptation of the human being to their environments and oriented selection of nature and the society to species,we can acquire a better understanding of evolution of living things and a deeper understanding of the human sustainable development under biologically evolutionary background and uphold the true Darwinism,modern evolutionary point of view and the concept of current sustainable development in theory and in practice.
基金financially supported by the National Key Research and Development Program of China(2022YFF0802204,2019YFE0124700)the Provincial Natural Science Foundation of Fujian(2020J05078)the National Natural Science Foundation of China(41906127 and 42076163)。
文摘Mangrove distribution along shorelines shows distinct zonation patterns;thus,different communities may face various influences from sea level rise(SLR)and land use.However,long-term change predictions are usually based only on the total extent of mangroves.Few studies have revealed how SLR and land development such as agriculture,aquaculture,and urbanization jointly affect different intertidal mangrove communities.This study proposed a novel framework combining SLAMM(Sea Level Affecting Marshes Model)and the CLUE-S(Conversion of Land Use and its Effect at Small regional extent)model to assess the potential impacts on upper and lower intertidal mangrove communities.Maoweihai in Guangxi,China,was selected as the study area and the potential impacts from the squeeze effect and mangrove expansion potential were evaluated.We established three scenarios combining SLR and land use patterns to predict mangrove coverage projections by 2070.The results showed that,under a single SLR driver,the upper intertidal mangroves would be more adaptive to rapid SLR than the lower intertidal mangroves.However,under the combined influence of the two drivers,the upper intertidal mangroves would experience larger squeeze effects than the lower intertidal mangroves,with up to 80.5%of suitable habitat lost.Moreover,the expansion potential of upper intertidal mangroves would be considerably more limited than that of lower intertidal mangroves.The length of the expandable habitat patch boundary of upper intertidal mangroves only reached 1.4–1.8 km,while that of the lower intertidal mangroves reached up to99.2–111.2 km.Further,we found that aquaculture ponds and cropland are the top two land development types that could occupy suitable habitat and restrict the mangrove expansion potential.Our results highlight that timely improvement of land use policies to create available landward accommodation space for mangrove migration is essential to maintain the coverage and diversity of mangrove communities under SLR.The proposed method can be a helpful tool for adaptive mangrove conservation and management under climate change.
文摘In order to address challenges posed by advances in mobile computing, ubiquitous devices software engineering, wireless and sensor technologies in many applications running, this paper provides an approach that simplifies the design and the implementation of context-aware Interactive systems called CAISDA (Context-Aware Interactive System Development Approach). This approach is based on the analysis and synthesis of context-aware frameworks proposed in literature.
基金Project(2011ZX05013-006)supported by the National Science and Technology Project of China
文摘As for ultra-low permeability reservoir,the adaptability of common nine-spot well pattern is studied through large-scale flat models made by micro-fractured natural sandstone outcrops.Combined with non-linear porous flow characteristics,the concept of dimensionless pressure sweep efficiency and deliverability index are put forward to evaluate the physical models' well pattern adaptability.Through experiments,the models' pressure distribution is measured and on which basis,the pressure gradient fields are drawn and the porous flow regions of these models are divided into dead oil region,non-linear porous flow region,and quasi-linear porous flow region with the help of twin-core non-linear porous flow curve.The results indicate that rectangular well pattern in fracture reservoirs has the best adaptability,while the worst is inverted nine-spot equilateral well pattern.With the increase of drawdown pressure,dead oil region decreases,pressure sweep efficiency and deliverability index increase; meantime,the deliverability index of rectangular well pattern has much more rational increase.Under the same drawdown pressure,the rectangular well pattern has the largest pressure sweep efficiency.
文摘Urban waterfronts, where the land of city meets a body of water, are unique and finite resources representing the best opportunities for community enhancement and enrichment. On the other hand, waterfronts are also high-risk areas, where the water-related disasters could seriously affect the long-term sustainability of urban environment. This paper focuses on the relationship of the cities with their waterfronts. It presents a case study of Wuhan--a Chinese metropolis, where waterfronts play an important role in its urban planning policy. It attempts to investigate the mechanism of waterfront transformation, and to find out which strategies to adapt and what resilience means in terms of urban waterfronts in a rapidly transforming city. This article examines some representative urban projects on the waterfront and summarizes spatial models applied on the waterfront with distinct policies. Finally, it demonstrates that an urban waterfront is an ＂osmotic interface＂ which should be more correctly envisaged as a network of places, functions, additions and hinges between the city and its water environment. It clarifies that waterfront areas represent a multidisciplinary and multitasking issue in perspective of urban resilient development.
基金funded by the“Digital Governance Transformation in Rural Spatial Changes”(ID:22CSH015)a Youth Project under the National Social Science Fund of China.
文摘Digital rural governance is a micro-level governance practice within the broader framework of building a Digital China.It involves the integration of digital technology into rural governance to drive the digital transformation of rural governance.In recognition of the varied development stages of digital rural governance,the concept of“digital context”provides an analytical lens for exploring the differences in practical models of digital rural governance.By examining the contextual characteristics and differential mechanisms of digital rural governance,this paper delves into its social foundation and technological adaptation.The research finds that the context of digital rural governance primarily encompasses three dimensions:contextual foundation,contextual logic,and contextual optimization.First,the contextual foundation of digital rural governance manifests as the social basis,comprising the social structure of villages,the type of village development,and the age structure of villagers,which constitute the social stratification forms underlying digital rural governance.Second,the contextual logic of digital rural governance focuses on the adaptation of digital technology to rural governance,promoting the adaptation of digital technology to the rural governance foundation,village governance scenarios,and villagers’digital capabilities.Third,the contextual optimization of digital rural governance emphasizes integrating digital technology with both administrative and livelihood-oriented governance affairs at the village level.This approach leverages the governance value and functional potential of digital technology to streamline digital governance processes and enhance digital governance capabilities.As a developmental direction for the transformation of rural governance,digital rural governance must not only highlight the governance advantages of digital technology but also prioritize the inherent context of rural governance.It aims to enhance the effectiveness of rural governance through digital technology and advance high-quality digital village development tailored to local conditions.
文摘There have been an increasing number of studies on climate change and population health over the past 20 years,with most focusing on health risk assessment,targeting different locations and populations with various diseases[1−2].While these studies have provided the necessary epidemiological evidence for health authorities in policymaking,it is time to develop and implement tailored health interventions to protect the health and well-being of communities,and particularly that of vulnerable groups.
基金funded by National Natural Science Foundation of China(NSFC)under Grants(No.51776010)the Fundamental Research Funds for the Central Universities and the Stable support project of the State Key Laboratory(No.12700002024146001).
文摘The adaptive cycle engine(ACE)is considered a crucial candidate for the propulsion systems of next-generation aircraft.Its high thrust and low fuel consumption operating modes make it suitable for various flight missions.However,the complex couplings and novel components in the ACE pose significant challenges to its performance design.This paper presents a systematic literature review on development status and performance deign of ACEs.Firstly,the development of ACE at various periods over the past few decades is presented.Then,four typical ACE configurations are introduced and analyzed based the differences of the core and the low-pressure compression system.After that,an emphasis is placed on the performance optimization method for ACE under various operating conditions,including steadystate,mode transition,acceleration/deceleration,and considering uncertainties.In addition,the numerical zooming technology for non-rotating components,rotating components,as well as intake and exhaust system are summarized in this paper.Through the above summary and analysis,the development trends in ACE performance design are explored.
