简介：Ｐｈａｓｅ　Ｔｒａｎｓｉｔｉｏｎｓ　ｉｎ　Ｓｏｄｉｕｍ　ＣｌｕｓｔｅｒｓＰｈａｓｅＴｒａｎｓｉｔｉｏｎｓｉｎＳｏｄｉｕｍＣｌｕｓｔｅｒｓ￥ＺｈａｎｇＦｅｎｇｓｈｏｕ；Ｅ．ＳｕｒａｕｄａｎｄＲ．ＧｌｏｗｉｎｓｋｉＭｏｓｔｏｆｔｈｅｔｈｅｏｒｅｔｉｃａｌ...

简介：ＯｎＳｏｄｉｕｍＣｌｕｓｔｅｒＣｏｌｌｉｓｉｏｎＤｙｎａｍｉｃｓＯｎＳｏｄｉｕｍＣｌｕｓｔｅｒＣｏｌｌｉｓｉｏｎＤｙｎａｍｉｃｓ￥ＺｈａｎｇＦｅｎｇｓｈｏｕ；Ｅ．ＳｕｒａｕｄａｎｄＲ．ＧｌｏｗｉｎｓｋｉＡｄｉｓｔａｌｌｃｅ－－ｄｅｐｅｎｄｅｎｔｔｉｇ...

简介：

简介：ShanghaiYuelongNonferrousMetalsCor-potationLtd.---ajointcorporationbetweenShanghaiYuelongChemicalPlant,ChinaNationalMinerals&MetalsImp.--Exp.Corporation(Minmetal),ShanghaiMineralsandMetalsImp.--Exp.Corpora-tionandQiRongCorporationofHongKongwasestablishedinlastNovember.Withadvancedtechnologyofseparating

简介：

简介：

简介：

简介：<正>1IntroductionSodiumboratesasimportantrawmaterialsarewidelyusedinthefieldofglassindustry,ceramicindustry,medicalindustry,paperindustry,agricultureandsoonfor

简介：ToimprovethewatertreeresistanceofPE,linearlow-densitypolyethylene(LLDPE)wascompoundedwithsodiumacrylate(NaAA)forinsitupolymerization,inwhichNaAAwasformedthroughtheneutralizationofacrylicacid(AA)withsodiumhydroxide(NaOH)beforeaddingdicumylperoxide(DCP)toinitiatetheinsitugraftpolymerizationandhomopolymerization.AseriesofLLDPE/NaAAcompoundswereinvestigatedfortheirwaterabsorptionratio(WAR)measurement,watertreeing,mechanicalanddielectricproperties.TheresultsstronglysuggestthatNaAAcanimprovethewatertreeresistanceofLLDPE.Inaddition,theLLDPE/NaAAcompoundspossesssatisfactorymechanicalpropertiesanddielectricproperties.CharacterizationofLLDPE/NaAAcompoundsbyusingFouriertransforminfraredspectrometry(FTIR)suggeststhattheneutralizationandpolymerizationreactioncouldbeachievedeffectively.UsingadequateDCPcontentisthekeyfactorforcontrollingthepolymerizationofNaAAwithpreciseconversionratio.

简介：有压克力酰胺(AM)的藻朊吃了的钠的接枝共聚物(SA)用一个ceric离子被综合开始的答案聚合技术。压克力酰胺变换被改变反应条件学习，例如温度，藻朊吃了的钠的分子的重量和反应时间。接枝共聚物的絮凝表演(下垂)在染浪费水在白陶土暂停并且也被调查。下垂，这被发现在染废水在白陶土暂停，并且在为CODCr和colority的移动能力作为与polyacrylamide和SA相比在絮凝行为是更有效的。

简介：

简介：<正>1IntroductionAnhydroussodium,mainlyproducedintheUnitedStates,Canada,Japan,isindispensablecommoditiesandrawmaterialsindailylifeandindustry.Inrecentyears,anhydroussodiumsulfateofgeneralsizewasmuchoversupplied[1].Howeverparticlesanhydroussodiumsulphateoflargesizeisnotadequatetothedemandforits

简介：

简介：<正>QUESTION:I’mtheCEOofaforeigncorporation,ourcompanywanttosetupaChinese-foreignjointventureinChinesethisyear.Buttothisday,wedon’tknowhowtohandletheproceduresoftheregistrationfortaxationofourjointventure.Pleasetellusthedetails;we’llbeextremelygratefultoyourhelp.

简介：UHMWPEcompositesreinforcedwithBovineBoneHydroxyapatite(BHA)indifferentcontentswerepreparedbyheatpressingformationmethod.AhipjointwearsimulatorwasusedtoinvestigatethebiotribologicalbehaviorofUHMWPE/BHAcompositeacetabularcupsagainstCoCrMoalloyfemoralheadsinbovinesynovialubricationat37±1℃.ItwasfoundthattheadditionofBHApowdertoUHMWPEcanimprovethehardnessandcreepmodulusofUHMWPE/BHAcomposites,anddecreasetheirwearratesunderbovinesynovialubrication.WhenthecontentofBHAfillerparticleswasupto30wt%,UHMWPE/BHAcompositesdemonstratedthewelldesignperformancesofthesurfaceandbiotribologicalproperties.Fatigue,ploughingandslightadhesivewearwerethemainwearmechanismsforUHMWPEanditscomposites.Inaddition,thesizesofwearparticlesbecamelargerwithanincreaseinBHApowderaddition.TheseresultssuggestthatBHAfillerisadesirablecomponenttoincreasethewearresistanceofUHMWPE/BHAcompositesforbiomedicalapplications.

简介：Sodiumnitroprussideismainlyusedtoreducebloodpressureandcontrolcardio-vasculardiseases.Thisstudyistoinvestigatetheeffectofsodiumnitroprussideonthecardiovas-cularmechanics.Eightmalemongreldogswereused.Anesthetizedwithsodiumpen-tobarbital,thedogswerecatheterizedontheleftfemoralarterytorecordbloodpres-sure.Electromagneticcuff-typeflowtransducerwasfixedonascendingaortatomea-

简介：ThefeasibilityofusingsodiumsulfideasthesolemodifierfortheflotationofXinhuamolybdeniteorewasexamined.Thepotentialmechanismsinvolvedinthedifferentflotationsystemswerediscussed.Thecomparativeflotationresultsrevealthatinthekerosene-sodiumsilicateflotationsystem,betterrecoveryandgradeofthemolybdenumareobtainedusingsodiumsulfideastheslurrypHadjustmentagentthanusingCaO.Undertheoptimalconditions(64g/tkeroseneand6kg/tNa2S),satisfiedrecoveryandgradeofmolybdeniteconcentratecanbeachieved(84%and8.2%,respectively),indicatingthatsodiumsulfideisapotentialsubstitutemodifierofsodiumsilicate.Theopen-circuitflotationtestresultsfurtherconfirmtheeffectivenessofsodiumsulfidewhichmayrenderrecyclingthetailingwaterpossibleandmaketheflotationprocessmoreenvironmentalacceptableandmoreeconomicalduetothelessuseofkeroseneandscavengers.

简介：

简介：ＪｏｉｎｔＥｆｆｏｒｔｓｔｏＨｅｌｐＦＰＡｃｃｅｐｔｏｒｓＪｏｉｎｔＥｆｆｏｒｔｓｔｏＨｅｌｐＦＰＡｃｃｅｐｔｏｒｓＩｎｏｒｄｅｒｔｏｐｒｏｍｏｔｅｔｈｅｉｎｔｅｇｒａｔｉｏｎｏｆｆａｍｉｌｙｐｌａｎｎｉｎｇｗｉｔｈｓｕｓｔａｉｎａｂｌｅｄｅｖｅｌｏ...

简介：