简介：有色金属新材料在湖南新材料产业中占有重要地位,但有色金属新材料产业又是有色金属行业的薄弱环节之一.通过分析国外有色金属新材料产业的发展形势和湖南省有色金属材料产业存在的问题,提出了湖南省有色金属材料产业发展总体目标、战略发展思路、对策措施和政策建议.

简介：结合株冶的生产实践,分析了锌电解生产直流电耗现状,总结了降低直流电耗的工艺改进措施及其效果.

简介：介绍了株冶粗铅生产的现状、国外铅厂富氧熔炼的应用情况及变压吸附制氧方法,对株冶铅烧结机及鼓风炉富氧熔炼项目的设计选择及生产实践进行了论述.

简介：介绍了株冶低浓度SO2制酸的工艺流程、工艺特点、生产及技术改造情况,实践证明实现低浓度SO2制酸采用动力波净化WSA制酸是成功的,也指出了要实现长周期稳定运转还需解决的问题及对策.

简介：主要介绍了氯化除汞技术在锌冶炼烟气制酸中的应用情况以及生产工艺特点.

简介：针对某锌硫矿,从工艺矿物学研究着手,查明矿石性质,通过试验,确定与该矿浮选相适宜的工艺参数的两种选矿方案,取得较好的选矿指标.分别获得含锌品位为57.97%,回收率为98.10%及含锌品位为56.43%,回收率为90.07%的合格锌精矿.

简介：介绍了选矿尾矿中绢云母矿物的回收及其在橡胶、塑料、涂料中的应用技术.

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简介：主要介绍了铅锌混合精矿生产所遇到的理论工艺指标计算问题,列举了按现有一般方法计算铅锌混合精矿生产理论工艺指标不符实际的现象,提出了一种行之有效且比较符合实际情况的计算方法.

简介：ThecopolymerswereformedbythegraftcopolymerizationofPVCwithacrylicrareearth.TheprincipleandmethodofthegraftcopolymerizationofPVCandacrylicrareearthwerediscussed.ThegraftcopolymerswerecharacterizedbyFT-IRspectraandscanningelectronmicroscope(SEM).Thethermalstabilityofthegraft-copolymerswasstudiedbythermogravimetricanalysis(TG).Theexperimentresultsshowthatthethermalresistanceandtoughnessofthegraftcopolymersareobviouslyenhanced.

简介：Thenanosizedparticlematerialsofdoped-TiO2withY2O3werepreparedbymeansofsol-geltechniqueforuseinelectrorheological(ER)fluids,andtheircrystalstructuresweremeasuredbyX-raydiffraction(XRD)analysis.TocomparewiththepureTiO2,adistinctenhancementintheshearstressunderdcelectricfieldwasfoundbyusingsuchmaterials.Thiscanbeexplainedbytheincreaseofthedielectriclossanddielectricconstantatlowfrequency.TheeffectsofthecrystalstructureoftheparticlesonthedielectricpropertyandERperformanceofmaterialswereinvestigated.

简介：TheNd60Fe20Al8Co10B2alloywaspreparedbysuctioncastingofthemoltenalloyintoacoppermoldunderargonatmosphere.Themicro-structuralandmagneticpropertychangesintheNd60Fe20Al8Co10B2alloyduringcrystallizationwereinvestigatedbyX-raydiffraction(XRD),differentialscanningcalorimetry(DSC),scanningelectronmicroscope(SEM)andthevibratingsamplemagnetometer(VSM).TheprecipitationandNd-richandFe-richphaseshavenosignificanteffectontheintrinsiccoercitityforNd60Fe20Al8Co10B2alloyannealedbelow723K.However,thegrowthofFe-richphasedecreasesthesaturatemagnetizationandremanenceofthealloy.Thehardmagneticbehaviorisdisappearedwhenthealloyisfullycrystallized.

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简介：TheLa3+-loadedadsorbentwaspreparedbythereactionbetweenLa3+andethanolamine-modifiedvegetabletannicextract,totreatF--containingwastewater.TheproblemsofheavycolorcausedbyvegetabletannicextractandofturbiditycausedbyreactionbetweenLa3+andF-weresolved.Whenotherconditionswerenotchanged,pH,temperature,stirringtime,anddosewerechangedrespectivelyandtheadsorbancewastestedrespectively.Theresultsshowthatthisadsorbentpossesseshighsaturatedadsorptivecapacity(18.86mg·g-1)whenpHis5～6,T≤80℃,0.2gdosage,and180minagitatingtime,andtheadsorbancereachesthehighest(98.5%).Theadsorbentcanbeeasilyregeneratedwith0.5mol·L-1NaOHatpH12.

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简介：Thecomplexofneodymiumchloridelowerhydratewithdiethylammoniumdiethyldithiocarbamate(D-DDC)wassynthesizedconvenientlyinabsolutealcoholanddryN2atmosphere.ThetitlecomplexwasidentifiedasEt2NH2[Nd(S2CNEt2)4]bychemicalandelementalanalysesandthebondingcharacteristicsofwhichwascharacterizedbyIR.TheenthalpiesofsolutionofneodymiumchloridehydrateandD-DDCinabsolutealcoholat298.15Kandtheenthalpieschangeofliquid-phasereactionofformationforEt2NH2[Nd(S2CNEt2)4]atdifferenttemperaturesweredeterminedbymicrocalorimetry.Onthebasisofexperimentalandcalculatedresults,threethermodynamicparameters(theactivationenthalpy,theactivationentropyandtheactivationfreeenergy),therateconstantandthreekineticparameters(theapparentactivationenergy,thepre-exponentialconstantandthereactionorder)ofliquid-phasereactionofformationwereobtained.Theenthalpychangeofthesolid-phasetitlereactionat298.15Kwascalculatedbyathermochemicalcycle.

简介：Anincubationstudywasperformedtoelucidateexogenousrareearthelements(RE)influencingonmicrobialbiomass,microbialecophysiologicalparameterscmic/corg,metabolicquotientqCO2andrespiratoryrateinrelationtotemporalavailabilityinpaddysoil.Sixsampleswereaddeddifferentconcentrationsbetween0and2000mg*kg-1REEsinsoil.ResultsshowthatexogenousREhaveslightstimulativeeffectsonmicrobialindicesinpaddysoilatlowconcentrationintheearlystageafteraddingRE,whilehavinginhibitoryeffectsathighconcentration.TheinhibitionisstrengthenedwithincreasingREconcentrationandisweakenedwithincreasingincubationtime.PrincipalcomponentanalysisoftheBIOLOGdataindicatesthatmicrobialcommunitystructureshavechanged,carbonsourcesconsumptionofmicroorganismsinpaddysoilbecomesmuchmorerapidafter8weeks,andunderREstress,thechangeofmicrobialcommunitystructuresisalong-termeffect.

简介：DistributionandaccumulationofNd,anditseffectonsecretionofprogesteroneinmicewerestudiedusingradioisotopetracer(147Nd)technique.Followingsingleintraperitonealadministrationofneodymiumtracedwith147Ndatadoseof200mg*kg-1,unevendistributionoftheradioactiveNdoccurredinvarioustissuesandorgans.Muchamountof147Ndaccumulatesinthebone,andtheresidueincreaseswiththelapseoftime.Someamountofradioactivitywasalsodetectedineyes,bloodandbrain,buttheaccumulationdecreasedwiththetimeduetoexcretionandre-distributioninmice.Incomparisonwithcontrols,concentrationofprogesteroneisfoundtobesignificantlylowerintheserumofadministeredmice,indicatingasignificantlyinhibitoryeffectofNdonsecretionofprogesterone.

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