Key methods developed and used in the USSR and in the Russian Federation to determine the impact and friction sensitivity of energetic materials and explosives have been discussed.Experimental methodologies and instru...Key methods developed and used in the USSR and in the Russian Federation to determine the impact and friction sensitivity of energetic materials and explosives have been discussed.Experimental methodologies and instruments that underlie the assessment of their production and handling safety have been described.Studies of a large number of compounds have revealed relationships between their sensitivity parameters and structure of individual compounds and compositions.The range of change of physical and chemical characteristics for the compounds we examined covers the entire region of their existence.Theoretical methodology and equations have been formulated to estimate the impact and friction sensitivity parameters of energetic materials and to evaluate the technological safety in use.The developed methodology is characterized by high-accuracy calculations and prediction of sensitivity parameters.展开更多
The eco-materials(include natural and artificial material) applied in the eco-technology in internal currently,usually lack of evaluation for applicative conditions.Hence,this study carry on the whole research and ide...The eco-materials(include natural and artificial material) applied in the eco-technology in internal currently,usually lack of evaluation for applicative conditions.Hence,this study carry on the whole research and identifications to draft the eco-materials of eco-technology.The evaluation models of applied materials for eco-technology were proposed.The quantitative score were obtained by expert’s person evaluation.Three models were proposed to quantify the effects of applied materials on the ecological environment.The statistical procedures were adopted to compare the performance of these materials for eco-technology.The results indicated that the comparison of applied materials can be treated by quantitative analysis.For the further analysis,more evaluated data from expert’s experience need to be collected then the bias of person subject can be reduced.In addition to reach the benefits in the respects of ecosystem,society,economy and function,also practice the comprehensive effects in eco-technology.展开更多
Fusarium wilt and Verticillium wilt are important worldwide fungal diseases on cotton that cause damage to yield and quality.The pathogens survive in soil as microsclerotia for many years,and
Precisely quantifying the strength of the proximal femur and accurately assessing hip fracture risk would enable those at high risk to be identified so that preventive interventions could be taken.Development of bette...Precisely quantifying the strength of the proximal femur and accurately assessing hip fracture risk would enable those at high risk to be identified so that preventive interventions could be taken.Development of better measures of femoral strength using the clinically展开更多
针对优先订单的物料不齐套造成的生产停滞问题,对优先订单的物料齐套分析方法和实现方案进行研究,构建了优先订单的物料齐套分析平台。利用贪婪算法(Greedy Algorithm)、BOM(Bill of Materials)存储算法、模糊综合评价法等,实现了基于...针对优先订单的物料不齐套造成的生产停滞问题,对优先订单的物料齐套分析方法和实现方案进行研究,构建了优先订单的物料齐套分析平台。利用贪婪算法(Greedy Algorithm)、BOM(Bill of Materials)存储算法、模糊综合评价法等,实现了基于优先级的订单物料齐套分析系统,并以企业实际生产数据多次测试。实验结果表明,该系统对于优先订单的物料齐套分析结果具有良好的准确性与稳定性,能够帮助企业快速查询优先订单的齐套数量,指导企业生产,减少因物料缺失而造成的停工现象。展开更多
文摘Key methods developed and used in the USSR and in the Russian Federation to determine the impact and friction sensitivity of energetic materials and explosives have been discussed.Experimental methodologies and instruments that underlie the assessment of their production and handling safety have been described.Studies of a large number of compounds have revealed relationships between their sensitivity parameters and structure of individual compounds and compositions.The range of change of physical and chemical characteristics for the compounds we examined covers the entire region of their existence.Theoretical methodology and equations have been formulated to estimate the impact and friction sensitivity parameters of energetic materials and to evaluate the technological safety in use.The developed methodology is characterized by high-accuracy calculations and prediction of sensitivity parameters.
文摘The eco-materials(include natural and artificial material) applied in the eco-technology in internal currently,usually lack of evaluation for applicative conditions.Hence,this study carry on the whole research and identifications to draft the eco-materials of eco-technology.The evaluation models of applied materials for eco-technology were proposed.The quantitative score were obtained by expert’s person evaluation.Three models were proposed to quantify the effects of applied materials on the ecological environment.The statistical procedures were adopted to compare the performance of these materials for eco-technology.The results indicated that the comparison of applied materials can be treated by quantitative analysis.For the further analysis,more evaluated data from expert’s experience need to be collected then the bias of person subject can be reduced.In addition to reach the benefits in the respects of ecosystem,society,economy and function,also practice the comprehensive effects in eco-technology.
文摘Fusarium wilt and Verticillium wilt are important worldwide fungal diseases on cotton that cause damage to yield and quality.The pathogens survive in soil as microsclerotia for many years,and
基金supported by The HongKong Polytechnic University Research Grants(No.1-BB81)grants from National Natural Science Foundation of China,Nos.10872078 and 10832012
文摘Precisely quantifying the strength of the proximal femur and accurately assessing hip fracture risk would enable those at high risk to be identified so that preventive interventions could be taken.Development of better measures of femoral strength using the clinically
文摘针对优先订单的物料不齐套造成的生产停滞问题,对优先订单的物料齐套分析方法和实现方案进行研究,构建了优先订单的物料齐套分析平台。利用贪婪算法(Greedy Algorithm)、BOM(Bill of Materials)存储算法、模糊综合评价法等,实现了基于优先级的订单物料齐套分析系统,并以企业实际生产数据多次测试。实验结果表明,该系统对于优先订单的物料齐套分析结果具有良好的准确性与稳定性,能够帮助企业快速查询优先订单的齐套数量,指导企业生产,减少因物料缺失而造成的停工现象。