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1.
纳滤膜(NF)在饮用水处理中的应用   总被引:11,自引:1,他引:10  
利用纳滤膜(NF)对微污染水源水的W市自来水进行深度处理试验与研究,将水样进行了常规分析、AOC试验、TOC测定、Ames试验和色谱质谱联机分析。结果表明:NF对TOC的去除率为90%,对AOC的去除率为80%,对致突变物的去除率很高,使Ames试验阳性水变为阴性。并且,NF工艺具有产水量大,水质优良,能耗低等优点。  相似文献   

2.
《人民长江》2001,32(Z1)
TheChangjiangWaterResourcesCommission(CWRC),originallynamedYangtzeValleyPlanningOffice(YVPO),wasestablishedinFebruary,195 0.Asanassistantministryinadministrativelevel,CWRCisarivervalleyorganizationdispatchedbytheMinistryofWaterResources(MWR),PRC.Itisau…  相似文献   

3.
《人民长江》2002,33(Z1)
TheChangjiangWaterResourcesCommission(CWRC) ,originallynamedYangtzeValleyPlanningOffice(YVPO) ,wasestablishedinFebruary ,195 0 .Asanassistantministryinadministrativelevel,CWRCisarivervalleyorganizationdispatchedbytheMinistryofWaterResources (MWR) ,PRC .Itisautho…  相似文献   

4.
Sincetheyearof195 0 ,theChangjiangWaterResourc esCommission (CWRC)hasbeenresponsibleforthesurveyanddesignoftheTGPfornearhalfofacentury .Ontheba sisofalargeamountofinvestigation ,designandscientificresearch ,theCWRCsuccessivelypreparedthe“ReportonFeasibilitySt…  相似文献   

5.
NOMENCLATUREAEmpiricalcoefficient ,kg/ (sm)BEmpiricalcoefficient ,kgsn - 2 /mCandC1IntegralconstantCtTotalcompressibility ,1/PaCρCompressibilityoffluid ,1/PaCrCompressibilityofrock ,1/PagThegravitationalacceleration ,m/s2heffectivethickness ,mHConsistencyofpower lawf…  相似文献   

6.
NOMENCLATUREAi   sectionareaoftheentranceofCavitationSus ceptibilityMeterCSM CavitationSusceptibilityMeterCcoefficientforcalculatingthetensilestrengthbyuseofCSMPi localpressureattheentranceofCSMP0 referencepressureofon comingflowinworkingsectionPv vapor…  相似文献   

7.
1 . INTRODUCTIONThecirculatingwaterchannel (CWC)hasbeenplayinganimportantroleinhydrodynamicexperi ments,suchasshipmodeltests,oceanengineering ,sportssciences,etc .Toachievehighperformance ,itisessentialforadesignertoknowthedetailsofflowintheCWC .Becauseofthec…  相似文献   

8.
JournalofHydrodynamicssponsoredbyChinaShipScientificResearchCenterPekingUniversityInstituteofWaterConservancyandHydroelectric...  相似文献   

9.
JournalofHydrodynamicssponsoredby¥//ChinaShipScientificResearchCenterPekingUniversityInstituteofWaterConservancyandHydroelect...  相似文献   

10.
过程控制微机系统可靠性浅谈熊春华(广东省水利水电科学研究所)DiscussionontheReliabilityofProcessControlComputerSystem¥XiongChunhua(GuangdongProvincialResear...  相似文献   

11.
In 1999afairlyheavyfloodoccurredinChangjiangRivervalley.Peakflowsfromtheupperstreammetthatfromthemiddlestreamtwiceintheyear,resultinginhighfloodstagesalongthemainstemofChangjiangRiverandatDongtingandPoyanglakes.ThehighestwaterlevelsatShashi,Jianli,Chen…  相似文献   

12.
NOMENCLATURECHCP  Combinedheating ,coolingandpowerCOPCoefficientofperformanceofachillerDHWDomestichotwaterep PECofachillerperunitcoolingoutputE1 PECofDHW (MW )Eh,n PECofcirculationpumpsinawaternetwork (MW )PECPrimaryenergyconsumption (MW )Q1 DHWloadofCHCPsyste…  相似文献   

13.
1 . INTRODUCTIONCerebrivasculardisease (CVD)isagreatthreattohumanhealthandleadstohugeburdentosocietyandeconomy .Butpreventinganddiagnosingitintimeisdifficult.ManyclinicalexperimentshaveshownthatduringtheearlierstageofCVD ,thedynamicindexhaschangedgreatly ,…  相似文献   

14.
CAVITATIONMODELINGWITHACFDAPPROACH¥JinzhangFeng;ManishDeshpande;CharlesL.Merkle(PropulsionEngineeringResearchCenter,Departmen...  相似文献   

15.
NOMENCLATURECmm ——theconcentrationatacertaintime ,Cell/mLCmf ——thechangeoftheconcentrationaftermicrobesareadsorbedD′——theconvection diffusioncoefficient,cm2 /sV——thefluid’sactualviscosity ,cm/sCzm ———theconcentrationoftheinjectedmicro bialCo ———theconcnetrat…  相似文献   

16.
1 . INTRODUCTIONTheYellowSeaandEastChinaSea (ECS)aremarginalseasofthenorthwestPacificOceanandhaveexpansivecontinentalshelves .TheuniqueandstrikingfeaturesoftheYellowSeaandtheECSarethattherearestrongtidalcurrent ,strongmonsooninfluenceandfreshwaterinflowfr…  相似文献   

17.
ChinaShipScientificResearchCenterPekingUniversityInstituteofWaterConservancyandHydroelectricPowerResearchShanghaiJiaotongUniversityFudanUniversityZhejiangUniversityTsinghuaUniversityZhongshanUniversityHuazhongUniversityofScienceandTechnologyWuhanUniv…  相似文献   

18.
1 . INTRODUCTIONWaterTransferFromSouthToNorthProject(WTFSTNP)isagreatdecisiontosolvetheproblemofwatershortageinthenorthandcentralpartsofChi na .Thisproject ,includingEast ,Central andWest Line ,willdrawwaterfromtheYangtzeRivertothenorthandcenterofChinasotha…  相似文献   

19.
TWOMODELSFORROLLWAVESINAMUDLAYERChiangC.Mei;Ko-feiLiu;Chiu-onNg(DepartmentofCivilandEnvironmentalEngineeringMassachusettsInst...  相似文献   

20.
NOMENCLATUREA ,B flowpatternCa,Cb  experimentalcoefficientCf  pressurecoefficientD0  thicknessofhanged plateFr0  thefroudenumbleofup  相似文献   

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