简介:JointlyhostedbytheMinistryofScienceandTechnologyandtheU.S.EnvironmentalProtectionAgency,the1stChina-USWorkshoponEnvironmentalS&TCooperationwasheldinBeijingfromApril1to3,2008.China-USWorkshoponEnvironmentalS&TCooperationlastedforthreedaysandincludedkeynotespeech,paralleldiscussionandvisittokeylaboratory.ExpertsfrombothcountriesgaveintroductionstonationalenvironmentalS&TpoliciesandR&Defforts,andheldin-depthdiscussionsondrinkingwatersecurity,newtechnologiesandenvironmentaltechnologyverification(ETV)andgreen
简介:摘要 海上油气平台因其环境特殊性,平台会配置一台由柴油机驱动的吊机,柴油机驱动的吊机一般会配备分动箱,以满足液压系统排量和压力的需求。某海上油田柴油吊机出现分动箱和液压泵连接花键磨损失效的故障,通过系统分析,找出花键连接失效原因,并采用二分法原理优化分动箱和液压泵的装配方案,为同类情况提供故障处理方法借鉴。