With the vigorous development of higher vocational education,public elective courses,as one of the core components of the higher vocational curriculum system,occupy a pivotal position.Based on the perspective of acade...With the vigorous development of higher vocational education,public elective courses,as one of the core components of the higher vocational curriculum system,occupy a pivotal position.Based on the perspective of academic affairs management and taking Guangdong C Vocational College as an example,this paper meticulously analyzes the operational problems in the declaration,setting,teaching,and management of public elective courses through questionnaire surveys and other methods.It also puts forward a series of targeted solutions,with a view to continuously improving the teaching quality and management level of public elective courses.展开更多
The article aims to discuss how to cultivate outstanding agricultural economics and management talents to meet the needs of agricultural and rural economic development in the new era,within the context of ideological ...The article aims to discuss how to cultivate outstanding agricultural economics and management talents to meet the needs of agricultural and rural economic development in the new era,within the context of ideological and political education.Through literature review and field research,a series of innovative talent training optimization paths are proposed,and specific suggestions are made for policymakers and educational practitioners.展开更多
In the context of deepening educational reforms,the significance of ideological and political education has become increasingly prominent,emerging as a crucial aspect of enhancing students’comprehensive qualities.To ...In the context of deepening educational reforms,the significance of ideological and political education has become increasingly prominent,emerging as a crucial aspect of enhancing students’comprehensive qualities.To ensure the orderly progress of ideological and political education in courses,it is essential to actively promote the integration of ideological and political elements within coursework.This integration aims to align professional course education with ideological and political education,fostering a collaborative educational model.Therefore,in the teaching of bidding and contract management courses,constructing a“micro-ideological and political”teaching model has emerged as a critical component.The implementation of this model facilitates the seamless integration of bidding and contract management coursework with ideological and political education,thereby elevating the teaching quality of these courses.Additionally,it leverages the synergistic role of coursework and ideology in educating students,ultimately enhancing the quality and level of talent cultivation.Hence,this paper proposes strategies for constructing a“microideological and political”model within the context of ideological and political teaching reforms in bidding and contract management courses,inviting discussion and exchange on this topic.展开更多
With the development of the society,the undergraduates training modes of land resources management major have diversified developed.The land resources management majors in universities with different background have v...With the development of the society,the undergraduates training modes of land resources management major have diversified developed.The land resources management majors in universities with different background have various features in China.Chongqing Technology and Business University was taken as a typical finance and economics university in this study.And the features,including training mode,feature training scheme and training effect of land resources management major,were discussed systematically.The results provide reference for the building of land resources management major in other colleges.展开更多
As a new means and way of combining media convergence and ideological and political education,ideological and political micro-courses play an important role in the process of cultivating the socialist core values of c...As a new means and way of combining media convergence and ideological and political education,ideological and political micro-courses play an important role in the process of cultivating the socialist core values of college students and qualified successors of the socialist cause.For western economics as the core course of agricultural economics major,how to construct ideological and political micro-courses in the era of media convergence to give full play to the effective function of micro-courses in ideological and political education in western economics has good practical significance at present.展开更多
This paper includes three parts: (1) The main characteristics of knowledge economics in new era; (2) Innovation management is an inevitable trend; (3) Corporate culture lead literary excellence. With the advance of sc...This paper includes three parts: (1) The main characteristics of knowledge economics in new era; (2) Innovation management is an inevitable trend; (3) Corporate culture lead literary excellence. With the advance of science technique and development of productive force , huma nity entered on knowledge economics era.It is a new social economic pattern that occupy and coordinate intellectual resources and causes some essential changes of produce method. Investment pattern, industrial construction, through idea and social organization. Since these changes, the traditional management method don’t meet the need of new times and make some trouble to the enterprise, and then innovation managemen t yield and give good function for knowledge economic era. Adhere to some scienc e create regulation; Accord with the times requirement; Raise output rate and pr omote society productivity; Need a process of time and guard against impetuosity . The application of innovation management to enterprise produce marked success in which corporate culture leads literary excellence.展开更多
As the only comprehensive university focusing on disaster prevention and reduction as well as emergency management in China,the Institute of Disaster Prevention has grown with the development of national disaster prev...As the only comprehensive university focusing on disaster prevention and reduction as well as emergency management in China,the Institute of Disaster Prevention has grown with the development of national disaster prevention and reduction as well as emergency management.The School of Economics and Management under the Institute of Disaster Prevention was founded in the year of 2018.展开更多
Integrated diagnosis,treatment and whole-course management model of major depressive disorder(MDD)is an integrated drug-psychological-physical comprehensive treatment model based on rapid biological-psychological-soci...Integrated diagnosis,treatment and whole-course management model of major depressive disorder(MDD)is an integrated drug-psychological-physical comprehensive treatment model based on rapid biological-psychological-social evaluation for treating patients with major depressive disorder.This paper comprehensively evaluates the clinical efficacy and biochemical indexes of patients,and carries out symptom evaluation,problem classification,disease diagnosis and etiological analysis of visitors from the three dimensions about physiology,psychology and society.Then,according to the symptoms and causes of different dimensions,this paper formulates personalized drug,psychological and physical therapy programs,and constantly optimizes and adjusts the treatment plan in the treatment process,so as to cure both the symptoms and the root causes,providing a reliable strategy for the treatment of clinical MDD,and establishing a standardized characteristic model for further promotion and application of this technology.At present,the project has been used in the member units of Taihe Medical Group and Shiyan City and its surrounding areas,the market response is good,and will be gradually promoted to the whole country in the later stage.展开更多
Warehouse management, as a higher vocational course integrating theory and practice, is of extreme importance to training the professional personnel logistics management. In this paper, under the premise of the teachi...Warehouse management, as a higher vocational course integrating theory and practice, is of extreme importance to training the professional personnel logistics management. In this paper, under the premise of the teaching objective of course Warehouse Management, and based on analyzing the disadvantages in the current teaching of the course, the teaching mode integrating theory and practice courses, and teaching and learning is discussed, so this paper is of great significance to the design of the course teaching modes in higher vocational colleges.展开更多
Yanshan University was formerly known as Northeast Heavy Machinery Institute,and was one of the key universities in China at that time.As of1985,the institute moved to Qinhuangdao Island,and as it was located at the f...Yanshan University was formerly known as Northeast Heavy Machinery Institute,and was one of the key universities in China at that time.As of1985,the institute moved to Qinhuangdao Island,and as it was located at the foot of Yanshan,it was called as Yanshan University.The School of Economics and Management was established in1979and the Management Engineering Department was established in1984,which was renamed as the School of Economics and Management in1998.This year is the20th anniversary for the establishment of the School.展开更多
In the context of the new media age,the emergence and development of finance and economics courses along with online course resources have greatly enriched the presentation of teaching resources in colleges and univer...In the context of the new media age,the emergence and development of finance and economics courses along with online course resources have greatly enriched the presentation of teaching resources in colleges and universities.However,subjected to the flawed design and poor promotion of ideological and political contents,which are less popular,online finance and economics courses often do not reflect the meaning well or maximize the application of the courses’ideological and political reform.This paper explores the dilemma and reasons for the promotion of the courses’ideological and political content,in hope to provide suggestions for the design and promotion of ideological and political content in online finance and economics courses in colleges and universities.展开更多
Economic losses caused by wild boars(Sus scrofa)continue to increase in the Three Gorges Reservoir Area.We selected 206 farmers in Wuqiaohe Basin as survey respondents using random stratified sampling.The distribution...Economic losses caused by wild boars(Sus scrofa)continue to increase in the Three Gorges Reservoir Area.We selected 206 farmers in Wuqiaohe Basin as survey respondents using random stratified sampling.The distribution and impacts of wild boars were examined using a questionnaire survey and spatial analysis.The results showed that:(1)The density of farmer settlements is low and most peasants’households are located on the forest edge.Due to large-scale labor migration,a high proportion of farmland(25.85%)has been abandoned and an even higher proportion of farmland(40.48%)has been returned to forest.(2)The probability of wild boar damage to peasant households was 67.96%.Yields of corn and sweet potato decreased by 24.87%and 28.24%,respectively,with a total economic loss of approximately 2,590,100 RMB/yr in the Wuqiaohe basin.Sixty-five percent of the affected cultivatedlands were located within approximately 150 m of the forest edges.(3)The wild boar damage coefficient was significantly and negatively correlated with the distance between the peasants’household and the forest edge,the density of the settlements,and the area of cultivated land.The wild boar damage coefficient shows a significant positive correlation with the area of farmland returned to forest.(4)The damage activity caused by wild boars began to occur7-8 years ago,and the destruction has been more frequently and seriously observed in the last 4-5 years.(5)We make suggestions for wild boar control and management measures including developing a compensation policy.The compensation standard is related to the land area returning from farmland to forests and the actual cultivated land area.展开更多
Excessive use of N fertilizers(driven by high-yield goals)and its consequent environmental problems are becoming increasingly acute in agricultural systems.A 2-year field experiment was conducted to investigate the ef...Excessive use of N fertilizers(driven by high-yield goals)and its consequent environmental problems are becoming increasingly acute in agricultural systems.A 2-year field experiment was conducted to investigate the effects of three N application methods(application of solid granular urea once(OF)or twice(TF),application of solid granular urea mixed with controlled-release urea once(MF),and six N rates(0,60,120,180,240,and 300 kg N ha^(-1))on maize yield,economic benefits,N use efficiency,and soil N balance in the maize(Zea mays L.)film mulching system on the Loess Plateau,China.The grain yield and economic return of maize were significantly affected by the N rate and application method.Compared with the OF treatment,the MF treatment not only increased the maize yield(increased by 9.0-16.7%)but also improved the economic return(increased by 10.9-25.8%).The agronomic N use efficiency(NAE),N partial factor productivity(NPFP)and recovery N efficiency(NRE)were significantly improved by 19.3-66.7,9.0-16.7 and 40.2-71.5%,respectively,compared with the OF treatment.The economic optimal N rate(EONR)of the OF,TF,and MF was 145.6,147.2,and 144.9 kg ha^(-1) in 2019,and 206.4,186.4,and 146.0 kg ha^(-1) in 2020,respectively.The apparent soil N loss at EONR of the OF,TF,and MF were 97.1-100.5,78.5-79.3,and 50.5-68.1 kg ha^(-1),respectively.These results support MF as a one-time N application method for delivering high yields and economic benefits,with low N input requirements within film mulching spring maize system on the Loess Plateau.展开更多
The knowledge of gallstone disease(GSD) is crucial to manage this condition when organizing screening and preventive strategies and identifying the appropriated clinical therapies. Although cholecystectomy still be th...The knowledge of gallstone disease(GSD) is crucial to manage this condition when organizing screening and preventive strategies and identifying the appropriated clinical therapies. Although cholecystectomy still be the gold standard treatment for patients with symptomatic GSD, expectant management could be viewed as a valid therapeutic method for this disorder. If early treatment of GSD decreases the morbidity or avoids further cholecystectomy, it may save clinical care costs in later disease periods sufficiently to offset the screening and early treatment costs. In addition, whether routine screening for GSD is worthwhile depends on whether patients are willing to pay the ultrasonography screening cost that would reduce the risk of cholecystectomy. In this review we discuss the epidemiology, management, and economic evaluation of screening of GSD among type 2 diabetics.展开更多
Plant disease management plays an important role in achieving the sustainable development goals of the United Nations(UN)such as food security,human health,socio-economic improvement,resource conservation and ecologic...Plant disease management plays an important role in achieving the sustainable development goals of the United Nations(UN)such as food security,human health,socio-economic improvement,resource conservation and ecological resilience.However,technologies available are often limited due to different interests between producers and society and lacks of proper understanding of economic thresholds and the complex interactions among ecology,productivity and profitability.A comprehensive synergy and conflict evaluation of economic,sociological and ecological effects with technologies,productions and evolutionary principles as main components should be used to guide sustainable disease management that aims to mitigate crop and economic losses in the short term while maintaining functional farm ecosystem in the long term.Consequently,there should be an increased emphasis on technology development,public education and information exchange among governments,researchers,producers and consumers to broaden the options for disease management in the future.展开更多
Under the background of "the Belt and Road" and "Internet +", innovation and Entrepreneurial education in colleges and universities has been pushed to the focus of education. The opening of the cou...Under the background of "the Belt and Road" and "Internet +", innovation and Entrepreneurial education in colleges and universities has been pushed to the focus of education. The opening of the course 3.0 "Entrepreneurial Project Management" in General Studies course of Wuhan University is an innovative education mode under the requirements of the background of the times. The development of network information technology in the new era has brought about the subversion and reform of teaching mode. This paper first analyzes the problems and present situation of the teaching of Entrepreneurial project management, introduces the characteristics of the teaching mode, and makes effective research and exploration on the three teaching modes of Entrepreneurial project management, in order to provide reference for the curriculum teaching reform and to promote the teaching effect of innovation and Entrepreneurial courses in colleges and universities.展开更多
The mechanism through which exit options and outside opportunities affect cooperation outcomes has not been well studied in the resource management literature, since a deep analysis of the concepts of “exit options”...The mechanism through which exit options and outside opportunities affect cooperation outcomes has not been well studied in the resource management literature, since a deep analysis of the concepts of “exit options” and “outside opportunities” is missing. This article analyzes these concepts across the common pool resource management literature, investigates the factors that underlie “opting out” decisions, and reviews potential ways to operationalize these concepts for empirical analysis. It also explores how the relationship of cooperation and exit options may be influenced by broad economic processes, such as economic integration.展开更多
In this paper, we conduct research on the Yunnan small and the medium-sized enterprise economic management mode innovation under micro business environment. Small industrial clusters become the root cause of the impor...In this paper, we conduct research on the Yunnan small and the medium-sized enterprise economic management mode innovation under micro business environment. Small industrial clusters become the root cause of the important characteristics in today’s world economic development and so to speak, with the international competitiveness of industry cluster, which is the important guarantee of stay ahead in the developed countries and districts, the basic carrier of developing countries play a comparative advantage is the basis of transition countries achieve success across the industry. Under the impetus of the practice of the industrial cluster, constantly enrich and deepen the industrial cluster theory, formed the theoretical system of the system. Our research combines the theory of the micro business environment to propose the new business pattern that is meaningful.展开更多
The Red Palm Weevil (RPW), Rhynchophorus ferrugineus (Olivier), (Coleoptera, Curculionidae, Rhynchophorinae), is an invasive species that is originated from Southeast Asia. It has.invaded Middle East and several...The Red Palm Weevil (RPW), Rhynchophorus ferrugineus (Olivier), (Coleoptera, Curculionidae, Rhynchophorinae), is an invasive species that is originated from Southeast Asia. It has.invaded Middle East and several countries of the Mediterranean Basin during the last three decades where it attacks palm trees. During the last three decades, multiple introductions of RPW to the Middle East, Europe and Caribbean (Island of Curacao, Netherland Antilles), Lebanon and United States of America (Laguna Beach, Orange County, California) (USA) have occurred and the RPW is now a serious pest of many palm species. Duration of all life parameters varies significantly where the entire life cycle takes about 45 to 298 days. Different artificial diets were developed and were tested for mass rearing of RPW. Control of RPW is difficult due to the concealed nature of the life cycle of the pest. Integrated Pest Management (IPM) strategy has been applied successfully to deal with RPW problem. The IPM strategy consists of various preventive and curative methods; those methods were categorized in nine categories in this review. The main objective of this work was to review the existing knowledge on RPW's different aspects, with an ultimate aim of revealing the actual situation of the research on RPW.展开更多
The economic management of colleges and universities has always been a topic of great concern to China’s educational career,therefore,this paper will firstly make the necessary analysis of the current implementation ...The economic management of colleges and universities has always been a topic of great concern to China’s educational career,therefore,this paper will firstly make the necessary analysis of the current implementation of the economic management of colleges and universities in China,and then the reasons for the problems of economic management of colleges and universities in China is realized a detailed investigation,and finally,the economic management of colleges and universities based on capital and cost management optimization strategy is made a full discussion,looking forward to providing the necessary guidance for researchers in this field.展开更多
文摘With the vigorous development of higher vocational education,public elective courses,as one of the core components of the higher vocational curriculum system,occupy a pivotal position.Based on the perspective of academic affairs management and taking Guangdong C Vocational College as an example,this paper meticulously analyzes the operational problems in the declaration,setting,teaching,and management of public elective courses through questionnaire surveys and other methods.It also puts forward a series of targeted solutions,with a view to continuously improving the teaching quality and management level of public elective courses.
基金The First Batch of the National New Liberal Arts Research and Reform Practice Project(2021090093)The XPCC University Curriculum Ideological and Political Demonstration Course Project“International Logistics”+3 种基金The Model Course of Tarim University“Development Economics”Project of Agriculture and Forestry Economy Management Teaching Committee of Ministry of Education(NJX22141)Ideological and Political Program of Tarim University Graduate Program(TDYKT202401)Graduate Teaching Reform Project of Tarim University(TDETR202218)。
文摘The article aims to discuss how to cultivate outstanding agricultural economics and management talents to meet the needs of agricultural and rural economic development in the new era,within the context of ideological and political education.Through literature review and field research,a series of innovative talent training optimization paths are proposed,and specific suggestions are made for policymakers and educational practitioners.
文摘In the context of deepening educational reforms,the significance of ideological and political education has become increasingly prominent,emerging as a crucial aspect of enhancing students’comprehensive qualities.To ensure the orderly progress of ideological and political education in courses,it is essential to actively promote the integration of ideological and political elements within coursework.This integration aims to align professional course education with ideological and political education,fostering a collaborative educational model.Therefore,in the teaching of bidding and contract management courses,constructing a“micro-ideological and political”teaching model has emerged as a critical component.The implementation of this model facilitates the seamless integration of bidding and contract management coursework with ideological and political education,thereby elevating the teaching quality of these courses.Additionally,it leverages the synergistic role of coursework and ideology in educating students,ultimately enhancing the quality and level of talent cultivation.Hence,this paper proposes strategies for constructing a“microideological and political”model within the context of ideological and political teaching reforms in bidding and contract management courses,inviting discussion and exchange on this topic.
文摘With the development of the society,the undergraduates training modes of land resources management major have diversified developed.The land resources management majors in universities with different background have various features in China.Chongqing Technology and Business University was taken as a typical finance and economics university in this study.And the features,including training mode,feature training scheme and training effect of land resources management major,were discussed systematically.The results provide reference for the building of land resources management major in other colleges.
基金Supported by the Ideological and Political Teaching Team of Excellent Courses in Western Economics of Jiangsu Second Normal University(2021).
文摘As a new means and way of combining media convergence and ideological and political education,ideological and political micro-courses play an important role in the process of cultivating the socialist core values of college students and qualified successors of the socialist cause.For western economics as the core course of agricultural economics major,how to construct ideological and political micro-courses in the era of media convergence to give full play to the effective function of micro-courses in ideological and political education in western economics has good practical significance at present.
文摘This paper includes three parts: (1) The main characteristics of knowledge economics in new era; (2) Innovation management is an inevitable trend; (3) Corporate culture lead literary excellence. With the advance of science technique and development of productive force , huma nity entered on knowledge economics era.It is a new social economic pattern that occupy and coordinate intellectual resources and causes some essential changes of produce method. Investment pattern, industrial construction, through idea and social organization. Since these changes, the traditional management method don’t meet the need of new times and make some trouble to the enterprise, and then innovation managemen t yield and give good function for knowledge economic era. Adhere to some scienc e create regulation; Accord with the times requirement; Raise output rate and pr omote society productivity; Need a process of time and guard against impetuosity . The application of innovation management to enterprise produce marked success in which corporate culture leads literary excellence.
文摘As the only comprehensive university focusing on disaster prevention and reduction as well as emergency management in China,the Institute of Disaster Prevention has grown with the development of national disaster prevention and reduction as well as emergency management.The School of Economics and Management under the Institute of Disaster Prevention was founded in the year of 2018.
基金Supported by Grants from the National Key R&D Program of China (2018YFC1314600)the 2021 Shiyan City Guidance Project (21Y33)
文摘Integrated diagnosis,treatment and whole-course management model of major depressive disorder(MDD)is an integrated drug-psychological-physical comprehensive treatment model based on rapid biological-psychological-social evaluation for treating patients with major depressive disorder.This paper comprehensively evaluates the clinical efficacy and biochemical indexes of patients,and carries out symptom evaluation,problem classification,disease diagnosis and etiological analysis of visitors from the three dimensions about physiology,psychology and society.Then,according to the symptoms and causes of different dimensions,this paper formulates personalized drug,psychological and physical therapy programs,and constantly optimizes and adjusts the treatment plan in the treatment process,so as to cure both the symptoms and the root causes,providing a reliable strategy for the treatment of clinical MDD,and establishing a standardized characteristic model for further promotion and application of this technology.At present,the project has been used in the member units of Taihe Medical Group and Shiyan City and its surrounding areas,the market response is good,and will be gradually promoted to the whole country in the later stage.
文摘Warehouse management, as a higher vocational course integrating theory and practice, is of extreme importance to training the professional personnel logistics management. In this paper, under the premise of the teaching objective of course Warehouse Management, and based on analyzing the disadvantages in the current teaching of the course, the teaching mode integrating theory and practice courses, and teaching and learning is discussed, so this paper is of great significance to the design of the course teaching modes in higher vocational colleges.
文摘Yanshan University was formerly known as Northeast Heavy Machinery Institute,and was one of the key universities in China at that time.As of1985,the institute moved to Qinhuangdao Island,and as it was located at the foot of Yanshan,it was called as Yanshan University.The School of Economics and Management was established in1979and the Management Engineering Department was established in1984,which was renamed as the School of Economics and Management in1998.This year is the20th anniversary for the establishment of the School.
基金2020 Higher Education Teaching Reform Project of uangdong Province by uangdong Provincial Education Department,“Exploration and Practice of Curriculum Civics and Reform of First-Class Finance and Economics Courses–Taking National Excellence Online Open Course‘Advanced Financial Accounting’as an Example”(Higher Education Document[2020]No.20/Serial No.598)uangdong Provincial Curriculum Civic Construction Reform Demonstration Course in 2020 by uangdong Provincial Education Department,“Intermediate Financial Accounting”(Higher Education Document[2021]No.4/Serial No.301)+1 种基金2021 uangdong Postgraduate Demonstration Course Construction Project by uangdong Provincial Education Department,“International Financial Management”(Higher Education Document[2021]No.2/2021SFKC078)uangdong Provincial Curriculum Civic Construction Reform Demonstration Course of 2020 by uangdong Provincial Education Department,“Microeconomics”(Higher Education Document[2021]No.4/Serial No.302)。
文摘In the context of the new media age,the emergence and development of finance and economics courses along with online course resources have greatly enriched the presentation of teaching resources in colleges and universities.However,subjected to the flawed design and poor promotion of ideological and political contents,which are less popular,online finance and economics courses often do not reflect the meaning well or maximize the application of the courses’ideological and political reform.This paper explores the dilemma and reasons for the promotion of the courses’ideological and political content,in hope to provide suggestions for the design and promotion of ideological and political content in online finance and economics courses in colleges and universities.
基金supported by the 135 strategic program of the institute of mountain hazards and environment, CAS (NO. SDS-135-1703)national natural science foundation of China (No. 41401664)
文摘Economic losses caused by wild boars(Sus scrofa)continue to increase in the Three Gorges Reservoir Area.We selected 206 farmers in Wuqiaohe Basin as survey respondents using random stratified sampling.The distribution and impacts of wild boars were examined using a questionnaire survey and spatial analysis.The results showed that:(1)The density of farmer settlements is low and most peasants’households are located on the forest edge.Due to large-scale labor migration,a high proportion of farmland(25.85%)has been abandoned and an even higher proportion of farmland(40.48%)has been returned to forest.(2)The probability of wild boar damage to peasant households was 67.96%.Yields of corn and sweet potato decreased by 24.87%and 28.24%,respectively,with a total economic loss of approximately 2,590,100 RMB/yr in the Wuqiaohe basin.Sixty-five percent of the affected cultivatedlands were located within approximately 150 m of the forest edges.(3)The wild boar damage coefficient was significantly and negatively correlated with the distance between the peasants’household and the forest edge,the density of the settlements,and the area of cultivated land.The wild boar damage coefficient shows a significant positive correlation with the area of farmland returned to forest.(4)The damage activity caused by wild boars began to occur7-8 years ago,and the destruction has been more frequently and seriously observed in the last 4-5 years.(5)We make suggestions for wild boar control and management measures including developing a compensation policy.The compensation standard is related to the land area returning from farmland to forests and the actual cultivated land area.
基金financially supported by the National Key R&D Program of China (2022YFD1900702 and 2021YFD1900700)the Key Research and Development Program of Shaanxi, China (2023-ZDLNY-52)the National Natural Science Foundation of China (42077102)
文摘Excessive use of N fertilizers(driven by high-yield goals)and its consequent environmental problems are becoming increasingly acute in agricultural systems.A 2-year field experiment was conducted to investigate the effects of three N application methods(application of solid granular urea once(OF)or twice(TF),application of solid granular urea mixed with controlled-release urea once(MF),and six N rates(0,60,120,180,240,and 300 kg N ha^(-1))on maize yield,economic benefits,N use efficiency,and soil N balance in the maize(Zea mays L.)film mulching system on the Loess Plateau,China.The grain yield and economic return of maize were significantly affected by the N rate and application method.Compared with the OF treatment,the MF treatment not only increased the maize yield(increased by 9.0-16.7%)but also improved the economic return(increased by 10.9-25.8%).The agronomic N use efficiency(NAE),N partial factor productivity(NPFP)and recovery N efficiency(NRE)were significantly improved by 19.3-66.7,9.0-16.7 and 40.2-71.5%,respectively,compared with the OF treatment.The economic optimal N rate(EONR)of the OF,TF,and MF was 145.6,147.2,and 144.9 kg ha^(-1) in 2019,and 206.4,186.4,and 146.0 kg ha^(-1) in 2020,respectively.The apparent soil N loss at EONR of the OF,TF,and MF were 97.1-100.5,78.5-79.3,and 50.5-68.1 kg ha^(-1),respectively.These results support MF as a one-time N application method for delivering high yields and economic benefits,with low N input requirements within film mulching spring maize system on the Loess Plateau.
文摘The knowledge of gallstone disease(GSD) is crucial to manage this condition when organizing screening and preventive strategies and identifying the appropriated clinical therapies. Although cholecystectomy still be the gold standard treatment for patients with symptomatic GSD, expectant management could be viewed as a valid therapeutic method for this disorder. If early treatment of GSD decreases the morbidity or avoids further cholecystectomy, it may save clinical care costs in later disease periods sufficiently to offset the screening and early treatment costs. In addition, whether routine screening for GSD is worthwhile depends on whether patients are willing to pay the ultrasonography screening cost that would reduce the risk of cholecystectomy. In this review we discuss the epidemiology, management, and economic evaluation of screening of GSD among type 2 diabetics.
基金This work was supported by the National Natural Science Foundation of China(72073028)the Natural Science Foundation of Fujian Province of China(2018J01707).
文摘Plant disease management plays an important role in achieving the sustainable development goals of the United Nations(UN)such as food security,human health,socio-economic improvement,resource conservation and ecological resilience.However,technologies available are often limited due to different interests between producers and society and lacks of proper understanding of economic thresholds and the complex interactions among ecology,productivity and profitability.A comprehensive synergy and conflict evaluation of economic,sociological and ecological effects with technologies,productions and evolutionary principles as main components should be used to guide sustainable disease management that aims to mitigate crop and economic losses in the short term while maintaining functional farm ecosystem in the long term.Consequently,there should be an increased emphasis on technology development,public education and information exchange among governments,researchers,producers and consumers to broaden the options for disease management in the future.
文摘Under the background of "the Belt and Road" and "Internet +", innovation and Entrepreneurial education in colleges and universities has been pushed to the focus of education. The opening of the course 3.0 "Entrepreneurial Project Management" in General Studies course of Wuhan University is an innovative education mode under the requirements of the background of the times. The development of network information technology in the new era has brought about the subversion and reform of teaching mode. This paper first analyzes the problems and present situation of the teaching of Entrepreneurial project management, introduces the characteristics of the teaching mode, and makes effective research and exploration on the three teaching modes of Entrepreneurial project management, in order to provide reference for the curriculum teaching reform and to promote the teaching effect of innovation and Entrepreneurial courses in colleges and universities.
文摘The mechanism through which exit options and outside opportunities affect cooperation outcomes has not been well studied in the resource management literature, since a deep analysis of the concepts of “exit options” and “outside opportunities” is missing. This article analyzes these concepts across the common pool resource management literature, investigates the factors that underlie “opting out” decisions, and reviews potential ways to operationalize these concepts for empirical analysis. It also explores how the relationship of cooperation and exit options may be influenced by broad economic processes, such as economic integration.
文摘In this paper, we conduct research on the Yunnan small and the medium-sized enterprise economic management mode innovation under micro business environment. Small industrial clusters become the root cause of the important characteristics in today’s world economic development and so to speak, with the international competitiveness of industry cluster, which is the important guarantee of stay ahead in the developed countries and districts, the basic carrier of developing countries play a comparative advantage is the basis of transition countries achieve success across the industry. Under the impetus of the practice of the industrial cluster, constantly enrich and deepen the industrial cluster theory, formed the theoretical system of the system. Our research combines the theory of the micro business environment to propose the new business pattern that is meaningful.
文摘The Red Palm Weevil (RPW), Rhynchophorus ferrugineus (Olivier), (Coleoptera, Curculionidae, Rhynchophorinae), is an invasive species that is originated from Southeast Asia. It has.invaded Middle East and several countries of the Mediterranean Basin during the last three decades where it attacks palm trees. During the last three decades, multiple introductions of RPW to the Middle East, Europe and Caribbean (Island of Curacao, Netherland Antilles), Lebanon and United States of America (Laguna Beach, Orange County, California) (USA) have occurred and the RPW is now a serious pest of many palm species. Duration of all life parameters varies significantly where the entire life cycle takes about 45 to 298 days. Different artificial diets were developed and were tested for mass rearing of RPW. Control of RPW is difficult due to the concealed nature of the life cycle of the pest. Integrated Pest Management (IPM) strategy has been applied successfully to deal with RPW problem. The IPM strategy consists of various preventive and curative methods; those methods were categorized in nine categories in this review. The main objective of this work was to review the existing knowledge on RPW's different aspects, with an ultimate aim of revealing the actual situation of the research on RPW.
文摘The economic management of colleges and universities has always been a topic of great concern to China’s educational career,therefore,this paper will firstly make the necessary analysis of the current implementation of the economic management of colleges and universities in China,and then the reasons for the problems of economic management of colleges and universities in China is realized a detailed investigation,and finally,the economic management of colleges and universities based on capital and cost management optimization strategy is made a full discussion,looking forward to providing the necessary guidance for researchers in this field.