简介:干热岩是一种绿色清洁能源,具有巨大的研究和开发潜力,简述国内外干热岩研究进展情况,阐明中国干热岩研究工作的重要性和所处的阶段,同时,根据干热岩钻进技术与普通地质钻探或水文地质钻探之间存在较大差异性的特点,就干热岩钻进关键技术进行了系统阐述。
简介:1.NewenergyvehicleprovidesgoodopportunitiesforthedevelopmentofNiMHpowerbatteryUnderthebackgroundofdevelopinglowcarboneconomyglobally,allcountrieshighlightthedevelopmentofnewenergyandenergy-savingautosindustry.Keyautoproducingcountrieshaveformulatedseriesofpoliciestoencouragethedevelopmentoftheindustry.Productioncapacityofnewenergyandenergy-savingvehicleswillachievethescaleof1,000,000perannumby2015,accordingtoAmerican
简介:d.Rareearthexport1).REexportvolume.Exportvolumeofrareearthsincreasedyear-on-yearfrom1986to2005inChina.But,tostabilizerareearthmarketandfacilitatetheoptimizationofrareearthindustrystructure,Chinesegovernmenthadtakenseriespoliciessince2006,includingreducingexportquota,cancelingexporttariffrebate,adjustingtariffpolicies,increasingexporttax