简介：采用化学平衡模拟软件GEMS预测了锌湿法冶金过程中涉及的锌在Zn（Ⅱ）-NH3-H2O和Zn（Ⅱ）-NH3-Cl--H2O体系中的溶解度,并构建了其含锌物种分布图和优势区图。采用平衡实验方法测定了相同条件下锌的溶解度,其结果与预测结果相吻合。含锌物种的分布图和优势区图表明,在弱碱性条件下,2个体系均为以锌氨和羟基锌氨配合物为溶液的主要物种,其中Zn（NH3）24-为主要优势物种;在Zn（Ⅱ）-NH3-Cl--H2O体系中,锌氨氯三元配合物的形成能有效增大锌在中性条件下的溶解度,在该体系中存在Zn（OH）2、Zn（OH）1.6Cl0.4和Zn（NH3）2Cl23种固相,固相产物的形成取决于体系中总锌、总氨和总氯浓度。这些热力学平衡图表明了体系中各种物种之间的相互影响作用,并预测了总氨和总氯浓度的变化对锌溶解度的影响,为锌湿法冶金提供了热力学数据。
简介：Eu2+andDy3+codoped(Ca,Sr)7(SiO3)6Cl2yellowphosphorsweresuccessfullysynthesizedbyself-fluxmethod.Thestructure,morphologyandphotoluminescencepropertieswereinvestigatedbyX-raydiffraction(XRD),scanningelectronmicroscopy(SEM)andphotoluminescencespectra.Theas-preparedphosphorshowedabroademissionspectrumcenteredat550nmforEu2+single-dopedphosphor,whilelocatedat548–544nmfortheEu2+,Dy3+codopedsamplesunderexcitationat380nmlight.TheemissionintensitywasgreatlyimprovedwhenDy3+wasdopedintothe(Ca,Sr)7(SiO3)6Cl2:Eu2+system.Thecomposition-optimizedsamplewith3mol.%ofDy3+andconstant10mol.%ofEu2+exhibiteda220%PLenhancementcomparedtothephosphorwith10mol.%Eu2+single-doped.Meanwhile,itwasfoundthatthequantumefficiencyofphosphornamely(Ca,Sr)7(SiO3)6Cl2:3mol.%Dy3+,10mol.%Eu2+couldgetupto24.6%.Thesynthesizedyellow-emitting(Ca,Sr)7(SiO3)6Cl2:Dy3+,Eu2+isapromisingcandidateashigh-efficiencyyellowphosphorforNUV-excitedwhiteLEDs.
简介：有5-8nm的尺寸的做Eu的GaOOHnanoparticles被热水的方法作为表面活化剂用钠dodecylbenzenesulfonate(SDBS)准备。做Eu的-Ga2O3和-Ga2O3被退火进一步制作GaOOH:Eu然后由X光检查衍射(XRD)描绘了，传播电子显微镜学(TEM)和光致发光(PL)。TEM结果显示出那monodisperse做Eu3+的GaOOHnanoparticles形式然后变换进通过退火的做Eu3+的-Ga2O3和-Ga2O3GaOOH:在600和900点的Eunanoparticles?????????????????@
简介：Yb3+complexeswithtwonitrilotriaceticacidmoleculeswerepreparedandtheircompositionsweredeterminedasK3[Yb(nta)2(H2O)]*5H2OandNa3[Yb(nta)2]*6H2Obyelementalanalyses.Theirstructureswerecharacterizedbysingle-crystalX-raydiffractionanalyses.IncomplexK3[Yb(nta)2(H2O)]*5H2O,theYbN2O7partformsanine-coordinatemonocappedsquareantiprismaticstructure.IncomplexNa3[Yb(nta)2]*6H2O,theYbN2O6partformsaneight-coordinatesquareantiprismaticstructure.Itcanbeseenthattheoutercations(K+andNa+)greatlyaffectthecoordinationnumberandcoordinatestructurefromtheseresults.
简介：Thesolidaddofthefirstprotonatedzincoborophosphate,(H3O)Zn(H2O)2BP2O8·H2O(1),wassoventothermallysyn-thesizedbythereactionofZn(NO3)2·6H2OandH3BO3withH3PO4inamixedsolvent,andstructurallycharacterizedbysingle-ystalX-raydiffractionanalysis.ItcrystallizesinthehexagonalP6122,a=0.9604(4)nm,c=1.5297(6)nm,V=1.2218(8)nm^3,Dc=2.921g/cm^3,Z=6,F(000)=1080,μ=3.495mm^-1.Thestmchwefeaturesthatthetetrahedra-te-trahedrahdlcesinterconnectedbyoctahedraandstronghydro-gembondinteractionsformathree-dimensionalframework.Theprotonatedwatermoleculesarelocatedatuniquepositions.othercharacterizationsbyIRandthermalanalysisarealsode-scribed.
简介：ThecomplexK3H4GeW9V3O40·8H2OcrystallizedinamonocliiniesystemwithspacegroupP2,Mr=2784.67,a=11.099（3）,b=16.452（4）,c=13.534（4）,β=108.14°,Z=2,V=2348.493,F（000）:2456,μ=239.7cm-1,De=3.932g/cm3.ThefinalR=0.083for4528non-zeroreflexions.ThestructureofanionsGeW9V3O40andGeW9O34belongstoA--type.
简介：目的对2HRZE/4H3R3和2H3R3Z3E3／4H3R3治疗初治涂阳肺结核病患者社会效果评价，为结核病的社会控制提供依据。方法应用中国卫生部结核病控制项目2HRZE/4H3R3方案，治疗初治涂阳肺结核病人的监测资料和2003年对《中国结核病控制规划(2001—2010)))阶段评估，抽查“世界银行贷款+中国结核病控制项目”2H3R3Z3E3/4H3R3方案治疗初治涂阳肺结核病人治疗的资料进行分析。结果在落实较好的全程督导服药治疗下，两方案已达到国家规划目标。目前2H3R3Z3E3/4H3R3未能达到国家规划目标，治愈率明显较强化期每日服药方案低，而失败率、丢失率、副反应停药率明显较高。结论经费落实不到位导致患者全程督导服药治疗不能很好落实，是影响化疗效果的主要原因。由于全程督导服药治疗不能很好落实，致使全程隔日服药方案不能胜任规划目标的要求，提示结核病控制的方向。
简介：Longlastingstrontiumaluminatephosphorsweresynthesizedbymeansofcoatedprecipitationintheexperiment.SrA12O4monoclinicphasewithlongafterglowwassynthesizedat1100℃withtheaidofH3BO3,andthesynthetictemperaturedecreasedabout100℃-150℃thaninsolidstatereaction.TheprocessofheattreatmentwasstudiedbyTG-DTA.ThephasecompositionsofpowderswereanalyzedbyXRD.ThemicrographsofthesampleswereinvestigatedbySEMandtheluminescentpropertieswereresearchedbyopticalspectrum.TheeffectsofH3BO3onthephasecompositionandmicrostructureofthecalcinedpowderswereinvestigated.TheresultsindicatedthatH3BO3acceleratedtheformationofSrAl2O4byconsumingtheintermediatephase.TheadditionofDy2O3stimulatedtheafterglowpropertyduetotheincreaseinthedepthofthetrapcenterinthematerials.
简介：TheZrO2-Al2O3ceramiccompositeswerepreparedbyappropriatetechniqueswithcommercialZrO2andAl2O3powdersasrawmaterialsandY2O3asstabilizer.TheresultsindicatethatwiththeintroductionofAl2O3intotheZrO2matrixwherethequantityofadditiveY2O3is3.5%(molefraction),thegrowthofZrO2grainsisefficientlyinhibited,whichhelpstheZrO2grainsexistinametastabletetragonalmanner;thushigherstrengthandtoughnessareacquired.Whenthecontentofaluminais20%(massfraction),thebendingstrengthandfracturetoughnessofthecompositesare676.7MPaand10MPa·m1/2respectively,themechanicalbehaviorsareclosetothosepreparedwithZrO2andAl2O3powderssynthesizedthroughwetchemicalapproach.Themechanicalbehaviorsofthecompositesarewellimprovedowingtothedispersiontougheningofaluminagrainsandphasetransformationtougheningofzirconiagrains.
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![配合物K<b style='color:red'>3</b>[Al（C<b style='color:red'>2</b><b style='color:red'>O</b>4）<b style='color:red'>3</b>]·<b style='color:red'>3</b><b style='color:red'>H2O</b>与K<b style='color:red'>3</b>[Cr（C<b style='color:red'>2</b><b style='color:red'>O</b>4）<b style='color:red'>3</b>]·<b style='color:red'>3</b><b style='color:red'>H2O</b>的热分解反应及其动力学研究](/image/thesis1 "配合物K<b style='color:red'>3</b>[Al（C<b style='color:red'>2</b><b style='color:red'>O</b>4）<b style='color:red'>3</b>]·<b style='color:red'>3</b><b style='color:red'>H2O</b>与K<b style='color:red'>3</b>[Cr（C<b style='color:red'>2</b><b style='color:red'>O</b>4）<b style='color:red'>3</b>]·<b style='color:red'>3</b><b style='color:red'>H2O</b>的热分解反应及其动力学研究")
![Syntheses, Crystal Structures and Characterization of Two Zeotype Crystals of K4[Cr30（<b style='color:red'>H</b><b style='color:red'>2</b><b style='color:red'>O</b>） <b style='color:red'>3</b>（OOCH） 6] <b style='color:red'>2</b>[ P<b style='color:red'>2</b>W18<b style='color:red'>O</b>62]· 9.5<b style='color:red'>H</b><b style='color:red'>2</b> <b style='color:red'>O</b> and K4[ Cr<b style='color:red'>3</b><b style='color:red'>O</b>（ <b style='color:red'>H</b><b style='color:red'>2</b><b style='color:red'>O</b>）<b style='color:red'>3</b>（ OOCH）6 ]<b style='color:red'>2</b>[ <b style='color:red'>H</b><b style='color:red'>3</b> P<b style='color:red'>2</b> W17Co（<b style='color:red'>H</b><b style='color:red'>2</b><b style='color:red'>O</b>） <b style='color:red'>O</b>61]· 20<b style='color:red'>H</b><b style='color:red'>2</b><b style='color:red'>O</b>](/image/thesis6 "Syntheses, Crystal Structures and Characterization of Two Zeotype Crystals of K4[Cr30（<b style='color:red'>H</b><b style='color:red'>2</b><b style='color:red'>O</b>） <b style='color:red'>3</b>（OOCH） 6] <b style='color:red'>2</b>[ P<b style='color:red'>2</b>W18<b style='color:red'>O</b>62]· 9.5<b style='color:red'>H</b><b style='color:red'>2</b> <b style='color:red'>O</b> and K4[ Cr<b style='color:red'>3</b><b style='color:red'>O</b>（ <b style='color:red'>H</b><b style='color:red'>2</b><b style='color:red'>O</b>）<b style='color:red'>3</b>（ OOCH）6 ]<b style='color:red'>2</b>[ <b style='color:red'>H</b><b style='color:red'>3</b> P<b style='color:red'>2</b> W17Co（<b style='color:red'>H</b><b style='color:red'>2</b><b style='color:red'>O</b>） <b style='color:red'>O</b>61]· 20<b style='color:red'>H</b><b style='color:red'>2</b><b style='color:red'>O</b>")
![Syntheses and Structural Researches of Yb^<b style='color:red'>3</b>＋ Complexes with Nitrilotriacetic Acids—Nine—coordinate K<b style='color:red'>3</b>[Yb（nta）<b style='color:red'>2</b>（<b style='color:red'>H</b><b style='color:red'>2</b><b style='color:red'>O</b>）]·5<b style='color:red'>H</b><b style='color:red'>2</b><b style='color:red'>O</b> and Eight—coordinate Na<b style='color:red'>3</b>[Yb（nta）<b style='color:red'>2</b>]·6<b style='color:red'>H</b><b style='color:red'>2</b><b style='color:red'>O</b> complexes](/image/thesis8 "Syntheses and Structural Researches of Yb^<b style='color:red'>3</b>＋ Complexes with Nitrilotriacetic Acids—Nine—coordinate K<b style='color:red'>3</b>[Yb（nta）<b style='color:red'>2</b>（<b style='color:red'>H</b><b style='color:red'>2</b><b style='color:red'>O</b>）]·5<b style='color:red'>H</b><b style='color:red'>2</b><b style='color:red'>O</b> and Eight—coordinate Na<b style='color:red'>3</b>[Yb（nta）<b style='color:red'>2</b>]·6<b style='color:red'>H</b><b style='color:red'>2</b><b style='color:red'>O</b> complexes")
![[Mn<b style='color:red'>3</b>Ⅱ(CH<b style='color:red'>3</b>COO)6(<b style='color:red'>H</b><b style='color:red'>2</b><b style='color:red'>O</b>)4·(<b style='color:red'>H</b><b style='color:red'>2</b><b style='color:red'>O</b>)<b style='color:red'>2</b>]n的合成、结构与磁性研究](/image/thesis9 "[Mn<b style='color:red'>3</b>Ⅱ(CH<b style='color:red'>3</b>COO)6(<b style='color:red'>H</b><b style='color:red'>2</b><b style='color:red'>O</b>)4·(<b style='color:red'>H</b><b style='color:red'>2</b><b style='color:red'>O</b>)<b style='color:red'>2</b>]n的合成、结构与磁性研究")
![Imidazole Coordinated Sandwich-type Antimony Polyoxotungstates Na9[ {Na（<b style='color:red'>H</b>=<b style='color:red'>O</b><b style='color:red'>2</b>}<b style='color:red'>3</b>{M（C<b style='color:red'>3</b><b style='color:red'>H</b>4N<b style='color:red'>2</b>）}<b style='color:red'>3</b>（ Sb W9<b style='color:red'>O</b>33）<b style='color:red'>2</b>]·xH=<b style='color:red'>O</b>（M=Ni^Ⅱ, Co^Ⅱ, Zn^Ⅱ, Mn^Ⅱ）](/image/thesis19 "Imidazole Coordinated Sandwich-type Antimony Polyoxotungstates Na9[ {Na（<b style='color:red'>H</b>=<b style='color:red'>O</b><b style='color:red'>2</b>}<b style='color:red'>3</b>{M（C<b style='color:red'>3</b><b style='color:red'>H</b>4N<b style='color:red'>2</b>）}<b style='color:red'>3</b>（ Sb W9<b style='color:red'>O</b>33）<b style='color:red'>2</b>]·xH=<b style='color:red'>O</b>（M=Ni^Ⅱ, Co^Ⅱ, Zn^Ⅱ, Mn^Ⅱ）")