Evaluation index system of agricultural sustainable development is constructed with the four components of social index,agricultural economic index,resources index,and environment index.According to the comprehensive ...Evaluation index system of agricultural sustainable development is constructed with the four components of social index,agricultural economic index,resources index,and environment index.According to the comprehensive evaluation model of agricultural sustainable development with the participation of single person,comprehensive evaluation model of agricultural sustainable development with the smallest generalized deviation and the participation of many people is established.Based on the case studies,agricultural sustainable development status of a certain region is evaluated.Result shows that the evaluation scores of the social index and agricultural economic index are high in this region,but the score of resources index is general and the evaluation result of environment index is not very good.The comprehensive evaluation value of overall sustainable development is 0.665 5;and the evaluation result is "good".展开更多
Analyses of the systematic confrontation between two military forcfes are the highest hierarchy on opera-tional effectiveness study of weapon systema.The physi-cal model for tactical many-on-many engagements of an aer...Analyses of the systematic confrontation between two military forcfes are the highest hierarchy on opera-tional effectiveness study of weapon systema.The physi-cal model for tactical many-on-many engagements of an aerial warfare with heterogeneous figher aircraft is estab-lished.On the basis of Lanchester multivariate equations of square law,a mathematical model corresponding to the established physical model is given.A superiorityh parame-ter is then derived directly from the mathematical model.With view to the high -tech condition of modern war-fare,the concept of superiority parameter which more well and truly reflects the essential of an air-to-air en-gagement is further formulated.The attrition coeffi-cients,which are key to the differential equations,are de-termined by using tactics of random target assignment and air-to-air capability index of the fighter aircraft.Hereby,taking the mathematical model and superiority parameter as cores,calculations amd analyses of complicate systemic problems such as evaluation of battle superiority,prog-mostication of combat process and optimization of colloca-tions have been accomplished.Results indicate that a clas-sical combat theory with its certain recent development has received newer applications in the military operation research for complicated confrontation analysis issues.展开更多
以网络版ISI Web of Science数据库为依据,以地址和出版年为关键词,对山东科技大学自更名以来发表的论文被SCI收录和引用的情况进行了统计分析,并按出版年、作者、来源出版物和学科类别做了较为详细的分析研究,最后提出了一些为增加山...以网络版ISI Web of Science数据库为依据,以地址和出版年为关键词,对山东科技大学自更名以来发表的论文被SCI收录和引用的情况进行了统计分析,并按出版年、作者、来源出版物和学科类别做了较为详细的分析研究,最后提出了一些为增加山东科技大学校科技论文被SCI收录和引用几率的合理化建议。展开更多
The Sixth Minjiang Forum-Water and Green Development of Future Cities,an annual cooperative project between the Sichuan Provincial People’s Association for Friendship with Foreign Countries(SIFA) and the Friedrich Eb...The Sixth Minjiang Forum-Water and Green Development of Future Cities,an annual cooperative project between the Sichuan Provincial People’s Association for Friendship with Foreign Countries(SIFA) and the Friedrich Ebert Foundation(FEF) of Germany,was held in Chengdu from October 13 to 14,2012.About 90 leading officials of relevant展开更多
文摘Evaluation index system of agricultural sustainable development is constructed with the four components of social index,agricultural economic index,resources index,and environment index.According to the comprehensive evaluation model of agricultural sustainable development with the participation of single person,comprehensive evaluation model of agricultural sustainable development with the smallest generalized deviation and the participation of many people is established.Based on the case studies,agricultural sustainable development status of a certain region is evaluated.Result shows that the evaluation scores of the social index and agricultural economic index are high in this region,but the score of resources index is general and the evaluation result of environment index is not very good.The comprehensive evaluation value of overall sustainable development is 0.665 5;and the evaluation result is "good".
文摘Analyses of the systematic confrontation between two military forcfes are the highest hierarchy on opera-tional effectiveness study of weapon systema.The physi-cal model for tactical many-on-many engagements of an aerial warfare with heterogeneous figher aircraft is estab-lished.On the basis of Lanchester multivariate equations of square law,a mathematical model corresponding to the established physical model is given.A superiorityh parame-ter is then derived directly from the mathematical model.With view to the high -tech condition of modern war-fare,the concept of superiority parameter which more well and truly reflects the essential of an air-to-air en-gagement is further formulated.The attrition coeffi-cients,which are key to the differential equations,are de-termined by using tactics of random target assignment and air-to-air capability index of the fighter aircraft.Hereby,taking the mathematical model and superiority parameter as cores,calculations amd analyses of complicate systemic problems such as evaluation of battle superiority,prog-mostication of combat process and optimization of colloca-tions have been accomplished.Results indicate that a clas-sical combat theory with its certain recent development has received newer applications in the military operation research for complicated confrontation analysis issues.
文摘The Sixth Minjiang Forum-Water and Green Development of Future Cities,an annual cooperative project between the Sichuan Provincial People’s Association for Friendship with Foreign Countries(SIFA) and the Friedrich Ebert Foundation(FEF) of Germany,was held in Chengdu from October 13 to 14,2012.About 90 leading officials of relevant
