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1.
Traditionally ,thehydrothermalsynthesisofti taniumsilicalite 1 (TS 1 )needsalargeamountoftetrapropylammoniumhydroxide (TPAOH)asatemplate ( n(TPAOH) n(SiO2 ) =0 4~ 1 0 ) ,andthecrystallizationtimetakes 10~ 30d[1] .Recently ,muchattentionhasbeenpaidtothemodificationofsynthesi… 相似文献
2.
1 INTRODUCTIONRareEarth (RE)elementsareappliedinagricultureandmedicine .Therfore,betterunderstandingofthebondingofREionsinthecomplexeswithaminoacidsisnecessary .ThecrystalstructureofREcomplexeswiththesimplestaminoacidglycinewerestudiedbefore[1- 4].Toresearch… 相似文献
3.
Thetrimolybdenumclusterswithgeneralformula[Mo3(μ3S)(μS)3(μdtp)(dtp)3L](dtp=(S2P(OC2H5)2)-,L=H2O,py,SC(NH2)2etc.)[1](referredtoasM1type[2]),and[Mo3(μ3S)(μS2)3(dtp)3]X(X=Cl,I)[3](referredtoasM2type),aretwomaintypesoftrimolybdenumclusterseverinvestigatedbyourresearchgroup.Aswehavealready… 相似文献
4.
1 INTRODUCTIONAlthoughthebinuclearoxomolybdenum (V )compoundsofethylenedi aminetetraacetate (EDTA)chelateligandwerewidelystudiedduringlater 50s[1~ 4],thefirstsuchcrystalstructureofpotassiumsaltdidnotappearuntil1 967[5 ],andan otherstructureofsodiumsaltwasreportedi… 相似文献
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1 INTRODUCTIONAsatypeofimportanceprecursor,alotoforganolanthanidechloridecomplexeshavebeensynthesizedandstructurallycharacterized[1].Thebimetalliccomplexescontainingalkalimetal,Cp2Ln(μCl)2M(L)(Cp=η5C5H5orC5Me5;M=Li,Na;L=THF,TMEDA),isamainstructuretype.Inthecourseo… 相似文献
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1INTRODUCTIONCrystalofK3Li2+xNb5+xO15+2xisaferoelectriccrystalbelongingtotetragonalsystemwiththestructureofthemineraltungsten... 相似文献
7.
1 INTRODUCTIONMostoftheureacompoundshavetheherbicidalability[1].Inordertoinvestigatetherelationshipsbetweenthestructuresandactivities,wesynthesizedaseriesofN,N’(substitutedphenyl)ureacompoundsanddeterminedthebiologicalactivitiesinhibitingALS(AcetolactateS… 相似文献
8.
1 INTRODUCTIONSince1980,manyV/Fe/Sheterometallicsulfurclustercompoundshavebeenreported.RauchfussetalobtainedtwokindsofV/Fe/Scompounds[1]using(CH3C5H4)2V2S4asanorganometallicligand,oneis(MeCp)2V2Fe2(NO)2S4withacubanelikestructureandanotheris(MeCp)2V2S4Fe(NO)2and(MeCp)2V2S4… 相似文献
9.
CrystalStructureofCalix[4](dioxo)crown-6Acetonitrile(1:3)InclusionComplexZHONGZhen-Lin;CHENYuan-Yin;LUXue-Ran(DepartmentofChe... 相似文献
10.
《高等学校化学研究》1996,(2)
synthesisandCrystalStructureof{(PPh_3)AgS_P(OCH_2PH)_2}_2*//LONGDe-ling,XINXin-quan ̄(StateKeyLaboratoryofCoordinationChemistr... 相似文献
11.
1 INTRODUCTIONTheα ,α ,α′,α′ tetraaryl 1 ,3 dioxolane 4,5 dimethanols (TADDOLS)diolswhicharereadilyavailablefromalkyltartrates ,havebeenwidelyusedaschiralligandsinenantioselectiveadditionreactionsofcarbon centerednucleophilestoaldehy des[1 ] ,in [2 +2 ]cycloadditions[2 ] … 相似文献
12.
1 INTRODUCTIONSolid stateboratesexhibitavarietyofphysicalandchemicalfeatures,rangingfromnonlinearopticalpropertiesof β BaB2 O4(β BBO) [1 ] tothecatalyticactivityofCu2 Al6B4O1 7[2 ] ,whichhaveattractedgreatattentionofmanyscientificresearchers.Aspartofourefforttosynt… 相似文献
13.
Scanningtunnelingmicroscope(STM)hasrecentlybeenappliedtothestudyoftheadsorptionoforganicandbiologicalmoleculesinvariousenvironments,includingliquidcrystal(LC),onsurface.Inparticular,4_n_alkyl4′cyanobiphenyls(mCB,wheremisthenumberofcarbonsinthealkylgroup)on… 相似文献
14.
Kinetics and Mechanism of the Exothermic First-stage Decomposition Reaction for 1,5-Dimethyl-2,6-bis(2,2,2-trinitroethyl)-glycoluril 总被引:1,自引:0,他引:1
IntroductionCycloureanitramineswithN trinitroethylgroupshaveagreaterdensityandahigherdetonationvelocity .Someofthecompoundscouldbeusedashighexplosives .1,5 Dimethyl 2 ,6 bis(2 ,2 ,2 trinitroethyl)glycoluril (1)isatypicalcycloureanitramine .Thecrystaldensityis1 74g/… 相似文献
15.
Ferricoxide(αFe2O3),chromicoxide(αCr2O3)andtheirmixedcompoundshaveimportantapplicationinmanyfields.Forinstance,theycanbeusedascatalystsforhightemperaturewatergasshiftreaction[1]andreductionofNOxbyNH3[2],asrefractorymaterials[3]andsensingmaterials[4,5],andsoon.Sinc… 相似文献
16.
ZHENG Yue qing * 《高等学校化学研究》1999,(3)
IntroductionPreviously,wereportedthecrystalstructureofK2[Ni(CO3)2(H2O)4][1],whichcrystallizedinthebaylissitetypestructureandwasfoundtobeisostructuralwithK2[Co(CO3)2(H2O)4][2]andK2Mg(CO3)2·4H2O[3].Inordertosystematicallyinvestigatetheoccurrenceoftheco… 相似文献
17.
TheEffectsofRadiationonCrystalTransformationsofPoly(vinylidenefluoride)ZHAOZhu-di,YANGHuai,LANGMei-dongandCHENXin-fang(Instit... 相似文献
18.
GAO Jin sheng * MA Zhong guo YE Ling BU Wei ming MA Dong sheng YU Chang hua GE Yue FAN Yu guo 《高等学校化学研究》2001,17(1):63-68
IntroductionWehavereportedthesynthesisofdicarbonyl ( η5 2 ,4 cyclopentadien 1 yl)tricyclo hexylstannylironanditscrystalstructureshowsthatthemetal metalbond ,Sn—Fe ,existsinthemoleculeofthecomplex[1] .As ( η5 2 ,4 cyclopentadien 1 yl)di carbonylironheteronuclearbimetal… 相似文献
19.
1 INTRODUCTION1 ,1 0 Phenanthroline 5,6 dione (L)carriesano quinonemoietywithpH depen dentelectroactivityandcanformstablecomplexeswithawidevarietyofmetalions,andthesolutionchemistryandelectrochemistryofitstransitionmetalcomplexeshavebeenextensivelystudied[1,2 ].H… 相似文献
20.
SynthesisandCrystalStructureofaMixed-ValenceTrinuclearManganeseComplex:Mn_3O(O_2CPh)_6(Py)_3XuHao;LiJin-Yu;LiuQi;XuZheng;YouXia... 相似文献