简介:CanadianUtilityBCHydrohassignedapowerpurchaseagreementwithMillerCreekPowerLimited(MCPL).MPCLproposestodevelopa25MW,run-of-riverhydroprojecttobebuiltnearPembertoninBritishColumbia,Canada.Aspartofitsintegratedelectricityplan,BCHydro,aprovinciallyownedutility,iscommittedtomeetingupto10%ofitsloadgrowthwithgreenenergyresourcesoverthenextfewyears.
简介:Thestructuralproperties,mechanicalbehavior,andelectronicstructureofthenewlydevelopeddiamondlikeBC5(d-BC5)wasinvestigatedusingdensityfunctionaltheory(DFT)calculations.Theresultsindicatethatd-BC5hasgreatbulkmodulusof393GPa,largeshearmodulusof398GPa,andhighhardnessof62Pa,andthussupportthefactthatd-BC5isanultra-incompressibleandsuperhardmaterial.Remarkably,thesuperhardd-BC5exhibitsmetallicfeatures.Furthermore,thetrendthatthemechanicalbehaviorfallswiththeincreaseofboroncontentwasrevealed.Thecombinationofhugestiffness,highhardness,andgoodmetallicitymakesseriesofdiamondlikeBCx(d-BCx)validforwiderapplicationsincomparisonwithpurediamond.
简介:ApplyingperturbativeQCD,westudytheprocessBc→Dsγinthetechnicolorwithamasslessscalardoubletmodel(TCMLSM).TherearemainlytwomechanismscontributingtotheBc→D*sγprocess.Oneproceedsthroughtheshortdistanceb→sγtransitionandtheotherthroughweakannihilationaccompaniedbyaphotonemission.Wefindthat,comparedwiththestandardmodel,themodificationofBc→D*sγfromπρ(thephysicalpionsintheTCMLSM)issosmallthatcanbeneglectedfortheallowedmassofπρ.Theweak-annihilationcontributionisfoundtobeaboutoneorderlargerthanthatoftheelectromagneticpenguindiagrams.
简介:<正>成立于1993年1月的富民县水电集团公司是由50年代中期的供电所演变而来的,以电力为核心,融发、供电、电力建设、冶金工业、科工贸及旅游开发为一体的综合性地方国营企业集团化公司。截至1996年,集团公司总资产1.2亿元,总供电量达1.68亿千瓦时,其中自发电量8080万干瓦时,年产值达5787.5万元,创利润834万元,为富民县地方经济的发展作出巨大的贡献。公司现拥有4个分公司(供用电分公司、安装工程分公司、供销分公司、建筑分公司)、7个职能部门、4个供电所、10个发电站、1个冶炼总厂已开发建成4500余亩的苹果基地及3700亩54万株的桉树速生丰