学科分类
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19 个结果
  • 简介:OnJanuary10,ademonstrationprojectofSGCCinZhejiangProvinceforelectricvehicles-asmartcharging&exchangingservicenetworksuccessfullypassedthescientific&technologicalachievementinspectionorganizedbyChinaElectricityCouncilinHangzhou,whichturnsouttobethefirsttrans-cityinterconnectedsmartcharging&exchangingserviceoftheworldandsignifiesitsleadinglevelinternationally.

  • 标签: 智能充电 国家电网公司 示范项目 电动汽车 浙江省
  • 简介:Theretrofitprojectof800-kVlargecapacityexperimentsysteminXi'anHighVoltageEquipmentResearchInstitutewascompletedsometimeago.Thesystemcanmeetrequirementsofwholepoleexperimentof550-kV63-kAand800-kV63-kAcircuitbreakersbyIECNorm.Itscapacitortowerisover100tinweightand15minheight.Thevoltageofeachcapacitorbankcanreach1000kV.

  • 标签: 西安 高压设备 容量 发展策略
  • 简介:FeasibilitystudyreportonJinghongHydropowerStationinYunnanProvincecompletedChineseandThaiexpertshavecompletedajointfeasibility...

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  • 简介:OnDecember28,2000,330kVShenmuSubstation,akeyoneof330kVYulin-Shenmupowertransmissionandsubstationprojects,hasbeensuccessfullyputintooperation.Itmarkedthatthewhole330kVtransmissionandsubstationprojectofShaanxi’sextra-highvoltagegridhadbeencompleted.Allthe330k

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  • 简介:Thenumberofcompletelysequencedarchaealgenomeshasbeensufficientforalarge-scalebioinformaticstudy.Wehaveconductedanalysesforeachcodingregionfrom36archaealgenomesusingtheoriginalCGSalgorithmbycalculatingthetotalGCcontent(G+C),GCcontentinfirst,secondandthirdcodonpositionsaswellasinfourfoldandtwofolddegeneratedsitesfromthirdcodonpositions,levelsofargininecodonusage(Arg2:AGA/G;Arg4:CGX),levelsofaminoacidusageandtheentropyofaminoacidcontentdistribution.InarchaealgenomeswithstrongGCpressure,arginineiscodedpreferablybyGC-richArg4codons,whereasinmostofarchaealgenomeswithG+C<0.6,arginineiscodedpreferablybyAT-richArg2codons.InthegenomeofHaloquadratumwalsbyi,whichiscloselyrelatedtoGC-richarchaea,GCcontenthasdecreasedmostlyinthirdcodonpositions,whileArg4>>Arg2biasstillpersists.Proteomesofarchaealspeciescarrycharacteristicaminoacidbiases:levelsofisoleucineandlysineareelevated,whilelevelsofalanine,histidine,glutamineandcytosinearerelativelydecreased.NumerousgenomicandproteomicbiasesobservedcanbeexplainedbythehypothesisofpreviouslyexistedstrongmutationalATpressureinthecommonpredecessorofallarchaea.

  • 标签: 压力突变 蛋白质组 基因组 假说 氨基酸含量 GC含量
  • 简介:ThefirstinChinacommercialtestunitformanufactureofsyntheticnaturalgas(SNG)throughlow-temperaturemethanationofcokeovengasratedat5000m3/dhascompletedits1000-hourcontinuoustestsattheTongshidaCokeryinShanxiprovince.Itislearnedthatthewholeprocesstechnologyisthefirstinnovativeprojectrealized

  • 标签: 煤气甲烷化 中国制造 焦炉煤气 操作测试 工艺装置 低温