把催化设计分割成5个易于求解的子问题,并提出一个用于催化活性模式综合的加权经验评估模型,据此开发了催化成份选择用知识库系统INCAP(Integration of Ca talyst Activity Pattern)。INCAP应用于乙苯氧化脱氢催化设计,通过知识库推理...把催化设计分割成5个易于求解的子问题,并提出一个用于催化活性模式综合的加权经验评估模型,据此开发了催化成份选择用知识库系统INCAP(Integration of Ca talyst Activity Pattern)。INCAP应用于乙苯氧化脱氢催化设计,通过知识库推理获得了与实验相一致的结果。本文还从设计型专家系统角度剖析了INC八P的特点。展开更多
The present study aimed to identify risk factors among older adult drivers from realistic data in order to stimulate the development of appropriate safety measures in the future.For this purpose,N=400 archived case fi...The present study aimed to identify risk factors among older adult drivers from realistic data in order to stimulate the development of appropriate safety measures in the future.For this purpose,N=400 archived case files from the driving authority in Dresden(Germany),were systematically analysed.The risk criterion was the outcome of the fitness to drive(FTD)assessment required by the authority.The results show that there are several significant risk factors(aged over 80,dementia,multi-morbidity and involvement into complex accidents)that can serve as cues for being unfit to drive.The practical measures for enhancing traffic safety are discussed.展开更多
In this,the first of two papers,the roles of key features of any landscape in determining potentials for erosional losses of soil and water are considered from an agro-ecological viewpoint.In this light,the effectiven...In this,the first of two papers,the roles of key features of any landscape in determining potentials for erosional losses of soil and water are considered from an agro-ecological viewpoint.In this light,the effectiveness of past commonly-accepted approaches to soil and water conservation are often found to have been inadequate.In many cases they have tackled symptoms of land degradation without appreciating fully the background causes,which often relate to inadequate matching of land-use/land-management with features of the landscape.A number of reasons for this mismatch are suggested.Understanding the ecological background to land husbandry(as defined below)will improve the effectiveness of attempts to tackle land degradation.In particular,an ecologically based approach to better land husbandry helps to foresee potential problems in some detail,so that appropriate forward planning can be undertaken to avoid them.This paper describes some practical ways of undertaking an appropriate survey of significant landscape features,enabling the definition and mapping of discrete areas of different land-use incapability classes.This is accompanied by an example of how the outcome was interpreted and used to guide the selection of appropriate areas which were apparently suitable for growing flue-cured tobacco within an area of ca.140 km^(2) in Malawi.This process relied on knowledge and experience in various disciplines(interpretation of air-photos,topographic survey,soil survey,vegetation analysis,hydrology,soil&water conservation,geology,agronomy)so as to ensure that the mapping process was based on the principles of better land husbandry.展开更多
文摘把催化设计分割成5个易于求解的子问题,并提出一个用于催化活性模式综合的加权经验评估模型,据此开发了催化成份选择用知识库系统INCAP(Integration of Ca talyst Activity Pattern)。INCAP应用于乙苯氧化脱氢催化设计,通过知识库推理获得了与实验相一致的结果。本文还从设计型专家系统角度剖析了INC八P的特点。
文摘The present study aimed to identify risk factors among older adult drivers from realistic data in order to stimulate the development of appropriate safety measures in the future.For this purpose,N=400 archived case files from the driving authority in Dresden(Germany),were systematically analysed.The risk criterion was the outcome of the fitness to drive(FTD)assessment required by the authority.The results show that there are several significant risk factors(aged over 80,dementia,multi-morbidity and involvement into complex accidents)that can serve as cues for being unfit to drive.The practical measures for enhancing traffic safety are discussed.
文摘In this,the first of two papers,the roles of key features of any landscape in determining potentials for erosional losses of soil and water are considered from an agro-ecological viewpoint.In this light,the effectiveness of past commonly-accepted approaches to soil and water conservation are often found to have been inadequate.In many cases they have tackled symptoms of land degradation without appreciating fully the background causes,which often relate to inadequate matching of land-use/land-management with features of the landscape.A number of reasons for this mismatch are suggested.Understanding the ecological background to land husbandry(as defined below)will improve the effectiveness of attempts to tackle land degradation.In particular,an ecologically based approach to better land husbandry helps to foresee potential problems in some detail,so that appropriate forward planning can be undertaken to avoid them.This paper describes some practical ways of undertaking an appropriate survey of significant landscape features,enabling the definition and mapping of discrete areas of different land-use incapability classes.This is accompanied by an example of how the outcome was interpreted and used to guide the selection of appropriate areas which were apparently suitable for growing flue-cured tobacco within an area of ca.140 km^(2) in Malawi.This process relied on knowledge and experience in various disciplines(interpretation of air-photos,topographic survey,soil survey,vegetation analysis,hydrology,soil&water conservation,geology,agronomy)so as to ensure that the mapping process was based on the principles of better land husbandry.
