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1.
毛江高  金钟声 《结构化学》1994,13(5):329-333
CrystalStructureof[La(NCS)_3(18-crown-6)(DMF)]MaoJiang-Gao(FujianInstituteofResearchontheStructureofMatter,AcademiaSinica,Fuzh?..  相似文献   

2.
SiO_2-SUPPORTED HRh(DPPE)_2 GATALYST¥ChangPingSHAO;JieYuWANGandHeFuGUO(DalianInstituteofChemicalPhysics,ChineseAcademyofScienc...  相似文献   

3.
STUDIESONMACROCYCLICDITERPENOIDS(Ⅻ)──AConvergentandStereoselectiveSynthesisofSarcophytol-QPrecursor──(11S)-3,7,11,15-Tetramet...  相似文献   

4.
异阿玛瑞卡诺A(7)[IsoamericanolA(7)],异阿玛瑞卡宁A(8)[IsoamericaninA(8)]及(±)-3-甲氧基-4,9,9-三羟基苯并二氧六环木脂素(9)[(±)-3-methoxy-3,7-e-poxy-8,...  相似文献   

5.
STUDYONSYNTHESIS,CHARACTERIZATIONANDCATALYSISOFPILLAREDANIONCLAY(Ⅲ)──SYNTHESISOFZnAl-BW_(11)O_(39)Z(H_2)~(n-)ThanksforthesupportofFoundationofCECandtheopenlabofHydrothermalSynthesisinJinnUniversityeddifferentkindsoftriheteropolyoxometalate(TH'POMs)totheZnAIlayeredclays,usingtheesterificationofn-butylalcoholandaceticacidasprobereaction.andfoundthatthepillaredcompoundsweremoreactiveandselectivethanthesolidacidcatalystssuchasacidicion-exchangeresinsl4].Onthebasisofpreviouswork.wenowencapsulatetriheteropolyoxome  相似文献   

6.
Synthesis,CrystalStructureandThermode-compositionKineticsofCopper(Ⅱ)Complexwithbis-(Schiffbase)Derivedfrom3-Methoxysalicylald...  相似文献   

7.
Synthesis,CrystalStructureofN-Salicylidene-o-aminobenzoicAcidDipyridineCopper(Ⅱ)MonohydrateLiShu-Lan;LiuDe-Xin;MengFan-Qin;Zh...  相似文献   

8.
SYNTHESISANDPROPERTIESOFTHERMOTROPICCOPOLY(ESTERIMIDE)S¥DeWenDONG*(ChangchunInstituteofAppliedChemistry,AcademiaSinica.Changc...  相似文献   

9.
TheoreticalStudiesontheStructuresandReactivityofStannylenoides(Ⅱ)QiuHua-yu*,DengCong-hao(TheoreticalChemistryGroup,ShandongUn...  相似文献   

10.
1 INTRODUCTIONCurrently,consistenteffortshavebeenmadetotheinvestigationoforganicnonlinearoptical(NLO)materials〔1〕.Someofcinnamylideneacetophenonederivativeshavefairlystrongsecondharmonicgeneration(SHG)andthereforearepotentialusefulinNLOfields.Durin…  相似文献   

11.
在超高真空(10 ̄(-7)pa)条件下用双源蒸镀法在单晶Si和NaCl衬底上制备了一系列Fe、Dy原子配比的成分调制多层膜。用卢瑟福背散时(RBS)和俄歇能谱(AES)分析成分沿厚度的分布,并用掠入射x射线衍射分析(XRD)离子束混合前后的结构。结果表明,随Ar离子剂量的增加混合量增加,在10 ̄(17)Ar/cm ̄2达到均匀混合,同时混合还诱发非晶化,平均成分约为Fe_(60)Dy_(40)的多晶膜完全转变为非晶态,Fe含量高于60at%,有残余bcc-Fe,反之,Dy含量高于40at%,有残余hcp-Dy.  相似文献   

12.
SynthesisandStructureofIon-pairComplex[Mo(dtc)_4][Sm(dtc)_4]SUNChun-ting,ZHUYa-bin,LIUXiao-xunandYIShuzhen(ChemistryDepartmen...  相似文献   

13.
AnSCF-MS-XαStudyoftheElectronicStructuresofBinuclearandTrinuclearGold(Ⅰ)CompoundsGUOChun-xiao(DepartmentofChemistry,JilinUniv...  相似文献   

14.
SynthesisandX-rayStructureofSolvatedMono-cyclopentadienylSamariumDichloride(C_5H_5)SmCl_2(THF)_3¥QianChang-Tao;ZhuDun-Ming;SunJ...  相似文献   

15.
在水溶液 中合成了吡啶-2,6-二甲酸钪配合物的晶体,元素分析结果表明,可用Sc(HDPA)(DPA).7H2O表示。用X射线衍射方法测定了配合物的单晶结构,其结构式为[Sc(HDPA)(DPA)(H2O2)]5H2O。晶体属正交晶系,空间群为Pn2la。  相似文献   

16.
CharacterizationofOxygenSpeciesonMgO(100)SurfacebyXPSandSRPESJianWenDAandShiKongSHEN(ResearchInstituteofQiluPetrochemicalCo.,...  相似文献   

17.
KineticStudiesonAxialCoordinationReactionofTetraphenylporphinatocobalt(Ⅱ)ChlorideXIAXin(Dept.ofChem.,BeijuigSci&Tech,Univ.,Be...  相似文献   

18.
THE4~Σ-STATESOFTHEFORADICAL¥MingBaoHUANG(DepartmentofChemistry,GraduateSchool,AcademiaSinica,Beijing100039)Abstract:Forinvest?..  相似文献   

19.
在水溶液中合成了吡啶-2,6-二甲酸抗配合物的晶体,元素分析结果表明,可用Sc(HDPA)(DPA)·7H_2O表示,用X射线衍射方法测定了配合物的单晶结构,其结构式为[Sc(HDPA)(DPA)(H2O)2]·5H2O。晶体属正交晶系,空间群为Pn21a。晶胞参数如下:a=1.0169(2)nm,b=1.0172(2)nm,c=2.0254(4)nm;V=2.095(1)nm3,Z=4,D=1.59g/cm3。抗离子的配位数为8,其配位多面体为三角十二面体。  相似文献   

20.
BONDLENGTHSOFBUCKY-BALLSC_(60),C_(240),C_(540),ANDC_(960)¥LeiLIU;KaiTaiCHEN;andYuFenLI(DepartmentofPhysics,FudanUniversity,Shan...  相似文献   

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