首页 | 官方网站   微博 | 高级检索  
相似文献
 共查询到20条相似文献,搜索用时 286 毫秒
1.
6-0-DEMETHYL-(19S)-DIHYDROETORPHINE, A NEW SYNTHETIC COMPOUND, ISOLATED FROM CRUDE DIHYDROETORPHINE AS A MINOR BY-PRODUCT6-0-...  相似文献   

2.
DECOMPOSITIONOFKNO3/γ┐Al2O3ANDTHEFORMATIONOFSURFACEBASESITES*TuMai,LiDatang,ZhuJianhua,ShenJianyi**(DepartmentofChemistry,Ins...  相似文献   

3.
SWINANINEC&D,TWONEWDITERPENEALKALOIDSFROMDELPHINIUMSWINANENSEVARLEPTOPOGONSWINANINEC&D,TWONEWDITERPENEALKALOIDSFROMDELPHINIUM...  相似文献   

4.
CO2在Cu-Pd/MoO3-SiO2催化剂上的吸附与表面反应   总被引:5,自引:0,他引:5  
王建伟  邵宇  钟顺和 《催化学报》1998,19(4):305-308
用表面反应改性法制备了MoO3-SiO2表面复合物,用等体积浸渍法制备了MoO3-SiO2担载Cu-Pd金属催化剂,用IR和TPD研究了C类其上的吸附,考察了CO2吸附产生CO和O的TPD-MS结果,讨论了CO2在Cu-Pd/MoO3-SiO2上的表面反应机理。结果表明:CO2在催化剂上具有良好的化学吸附性能,形成线式吸附态、剪式吸附态和卧式吸附态;CO2卧式吸附态具有良好的表面反应活性,一定温度  相似文献   

5.
MICROCALORIMETRICSTUDIESOFPtSnCATALYSTSSUPPORTEDONCALCINEDHYDROTALCITEFORBUTANEDEHYDROGENATIONLiZhiyu,TuMai,ShenJianyi(De...  相似文献   

6.
MICROCALORIMETRICSTUDIESOFSURFACEACID/BASEPROPERTIESOFREDUCEDIRON/MAGNESIUMCATALYSTS*TuMai,ShenJianyi**,ChenYi(DepartmentofCh...  相似文献   

7.
AMICROCALORIMETRICADSORPTIONSTUDYONSURFACEACIDITYANDBASICITYOFFe┐MgBINARYOXIDES*ShenJianyi,TuMai,ChenYi(DepartmentofChemistry...  相似文献   

8.
ANOVELSPIRO-COMPOUNDFROMCLERODENDRUMINDICUM¥JunTIAN;QinShiZHAO;ZhongWenLINandHanDongSUN(LaboratoryofPhytochemistry,KunmingIns...  相似文献   

9.
SYNTHESIS AND SPECTRA STUDIES OF TRANSITION METAL COMPLEXES DERIVED FROM 2, 4-DINITROPHENYL HYDRAZINESYNTHESISANDSPECTRASTUDI...  相似文献   

10.
4,6-DIMETHYL-2-MERCAPTOPYRIMIDINEASNEWPROMOTERFORTHEVOLTAMMETRICRESPONSEOFHORSE HEARTCYTOCHROMECATA MICROBANDGOLD ELECTRODEHo...  相似文献   

11.
STUDYONREDUCTIONMECHANiSMOF1,5-DIAMINO-4.8-DIHYDROXYANTHRAQUINONEELECTROLYSISChunAnMA(ChemicalEngineeringDepartment,ZhejiangU...  相似文献   

12.
STUDYONOXIDATIONSOFBENZILICETHERS,OXIMESAND1,2-DIOLSBYAMMONIUMCHLOROCHROMATE¥GuishengZHANG;JunQuanWANG;MiFengCHENG;KunCAI(Dep...  相似文献   

13.
STEREOCHEMISTRY OF CYCLIC ORGANOPHOSPHORUS COMPOUNDS-ⅡMETHANOLYSIS OF 2-CHLORO-4-PHENYL-5,5-DIMETHYL-1,3,2-DIOXAPHOSPHORINAN-...  相似文献   

14.
A NOVEL POLYMER ENZYME LINKED IMMUNOASSAY METHOD AND ITS APPLICATIONSANOVELPOLYMERENZYMELINKEDIMMUNOASSAYMETHODANDITSAPPLICAT...  相似文献   

15.
APPLICATIONSOFULTRASONICALLYDISPERSEDPOTASSIUM(UDP)PART4:REDUCTIVECOUPLINGOFCHALCONESINTHEPRESENCEOFUDP,COMMENTSONTHEMECHANIS...  相似文献   

16.
COMPUTERIZED PREDICTION AND SYNTHESIS OF TERNARY COMPOUND 2KBr 3MnSO_4COMPUTERIZEDPREDICTIONANDSYNTHESISOFTERNARYCOMPOUNDZKBr?..  相似文献   

17.
RUTHENIUMCOORDINATIONCOMPOUNDSWITHPOLYPYRIDINESV.DNA-BINDINGSTUDIESOFRu(Ⅱ)COORDINATIONCOMPOUNDSWITH(2-PHENYL-)IMIDAZO[f]1,10-...  相似文献   

18.
QUANTUM CHEMICAL STUDY ON THE MECHANISM OF PRODUCING OXYGENATES IN FISCHER-TROPSCH SYNTHESIS ON M/SiO_2 (M=Ni, Ru, Rh, Pd) CA...  相似文献   

19.
(E)-β,γ-UNSATURATEDNITRILESFROMDIMETHYLSULFONIUMCYANOMETHYLIDEAND9-ALKENYL-9-BORABICYCLO[3,3,1]NONANESNanShengLI;MinZhiDENG;Y...  相似文献   

20.
ANTI-CANCER DRUGS COMPOSED OF NONNOBLEMETAL COORDINATION COMPOUNDSANTI-CANCERDRUGSCOMPOSEDOFNONNOBLEMETALCOORDINATIONCOMPOUND...  相似文献   

设为首页 | 免责声明 | 关于勤云 | 加入收藏

Copyright©北京勤云科技发展有限公司    京ICP备09084417号-23

京公网安备 11010802026262号