简介：<正>NatureandaimoftheGroupGorporationChinaHydropowerEngineeringConsultingGroupCorporationsetupattheendof2002withtheapprovaloftheStateCouncilhadrestructuredsevenresearchinstitutesofinvestigationanddesign(Beijing,EastChina,Northwest,Mid-south,Chengdu,Guiyang,Kunminginstitutes)andChinaWaterResourcesandHydropowerConstructionEngi-

简介：<正>ChinaPowerEngineeringConsultingGroupCorporationestablishedonthefoundationofChinaPowerEngineering(Group)CompanyLtd.affiliateseightsolely-ownedemterprisesandcompaniesandaninstitution,theyare:Northeast,EastChina,Central-South.NorthwestandSouthwestpowerdesigninstitutes,EngineeringCompanyLtd.underGuohuaNorthChinaPowerDesignIn-stitute,ChinaPowerConstructionConsultationCorporation,ChinaPowerEngineeringConsultation(Group)CompanyLtd,andthePowerPlanningandDesignGeneralInstitute.

简介：<正>NatureoftheGroupCorporationChinaWaterResourcesandHydropowerConstructingGroupCorporationisastate-ownedenterpriseapprovedbytheStateCouncilandorganizedonthefoundationofChinaWaterResourcesandHydropowerEngineeringConstructionCompanyandrelevantenterprisesundertheformerStatePowerComorationofChina.Itsmainmembershipincludes23solely-ownedenterprisesand2stockholdingenterprises.

简介：从我国企业集团财务公司发展的现状及影响因素出发，探讨转型期我国财务公司发展的基本思路。

简介：电机被广泛应用于石油化工工业，大部分电机都在I级危险地点运行。因此，了解确保不会点燃易爆性气体，必须对电机采取恰当的防护措施，有4种适用于大型电机的防护型式；P型（通风及正压型），e型（增安型），d型（防爆型）和N型，P型，e型和d型防护型式允许在1级和2级地区使用。在1996年和1999年，为了符合有关ExeⅡB200℃（T3）要求及IEC60079-0和60079-7标准，设计并试验了两台电机，这2台电机安装在2类地区，本文陈述了有关增安型感应电机的电气和机械设计考虑。最后，本文还叙述了试验程度，并对两台电机所进行的一系列试验的结果作了总结。