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 共查询到20条相似文献,搜索用时 31 毫秒
1.
ANEWMETHODFORPBEPARATIONOFIBON(Ⅲ)PORPHYRINOXYANIONOMPLEXES-SYNTHESISOFPERCHLORATE(PORPHYINATO)IRON(Ⅲ)¥XinHuaZHONG;YaoYuFENG;J...  相似文献   

2.
TITANIUMCONTAININGZEOLITESWITHMELSTRUCTUREPREPAREDFROM[B]ZSM11BYGASSOLIDISOMORPHOUSREPLACEMENTZhangFazhi,GuoXinwen,WangXi...  相似文献   

3.
REACTIVE POLY(ARYLENEETHERSULPHONE) :MALEIMIDE-TERMINATED POLY(ARYLENEETHERSULPHONE) OLIGOMERS USING N-(4-HYDROXYPHENYL) MALE...  相似文献   

4.
PARAMAGNETICANDDIAMAGNETICDICOPPER(Ⅱ)COMPLEXESWITHDI-SCHIFFBASEDERIVEDFROM2-HYDROXY-1-NAPHTHALDEHYDEAND1,3-DIANINO-2-PROPANOL...  相似文献   

5.
SYNTHESISANDCHARACTERIZATIONOFEPOXYANDALLYL-TERMINATEDPOLY(ARYLENEETHERSULPHONE)¥LianLaiZHANG;YiGU;LuXiaJIANG;XingXianCAI(Dep...  相似文献   

6.
PREPARATIONOFBAGASSEXANTHATES(BX)ANDNICKELREMOVALFROMWASTEWATERBYBXZhongChanggeng;TangDonggong;ChenQiaoyun(DepartmentofChemis...  相似文献   

7.
SYNTHESIS OF THERMOTROPIC LIQUID CRYSTAL AROMATIC COPOLYESTERS AND COPOLY (ESTER-AMIDE)S CONTAINING DI (ETHYLOXY-ETHER) AS TH...  相似文献   

8.
ISOLATIONANDDETERMINATIONOFAGROUPOFOLIGOPEPTIDESRELATEDTOGLUTATHIONEFROMPANAXGINSENG¥ZhiKuanCHEN;YunHuaYEandQiYiXING ̄*(Depart...  相似文献   

9.
HYBRIDZINC(Ⅱ)ANDIRON(Ⅲ)PORPHYRINDIMER:ANEWMODELSYSTEMOFCYTOCHROMEP450TOHYDROXYLATECYCLOHEXANEZhanLiangLIU,JinWangHUANO,CaiLin...  相似文献   

10.
ASTUDYONTHEKINETICSOFEXCHANGEREACTIONSOFW(Ⅵ)ORMo(Ⅵ)WITHINMACROPOROUSANIONEXCHANGERESIN(D290)PHASEWangYukun(DepartmentofChemic...  相似文献   

11.
STUDY OF THE CHEMILUMINESCENCE AND FLUORESCENCE REACTIONS CATALYZED BY MIMETIC PEROXIDASE MN(II)-TETAHuiZhiFAN;YunXiangCI(Dep...  相似文献   

12.
SYNTHESISANDCHARACTERIZATIONOFMETALCOMPLEXESDERIVEDFROMPOTASSIUM3-(BENZOTRIAZOLE1-CARBONYLMETHYL)-DITHIOCARBAZATE¥PengFeiXU(D...  相似文献   

13.
THECATALYTICPROPERTIESOFPOLY(2┐VINYLPYRIDINE)ANDITSQUATERNARYAMMONIUMSALTBOUNDRh(Ⅰ)COMPLEXESFORCARBONYLATIONOFMETHANOLLiXiaob...  相似文献   

14.
重油加氢脱硫NiMo/γ—Al2O3催化剂的失活研究   总被引:2,自引:0,他引:2  
苏继新  杨兆荷 《分子催化》1999,13(4):297-303
收集了工业上用于重油加氢脱硫的NiMo/γ-Al2O3失活催化剂,用超声以,超临界流体萃取等方法对其进行了处理,用热重,差热分析、程序升温氧化-质谱、扫描电镜-能谱仪、X射线衍射仪、程序升温还原等方法对处处理前后的催化剂进行了表征,探讨了导致催化剂失活的主要原因。  相似文献   

15.
SYNTHESISANDCATALYTICPROPERTIESOFLAYEREDDOUBLEHYDROXIDESPILLAREDBYHETEROPOLYOXOMETALATE¥ZhengXU;HeMingHE;DongMeiZHOU;LingShen...  相似文献   

16.
SPECTROPHOTOMETRICDETERMINATIONOFCATIONICSURFACTANTSBASEDONIRON(III)-CHROMEAZUROLSCOMPLEX¥MingSONGandShuQuanLIANG(Instituteof...  相似文献   

17.
铜基甲醇合成催化剂的失活研究   总被引:5,自引:0,他引:5  
殷永泉  李树本 《分子催化》2000,14(5):373-378
选用了两个化肥厂的失活甲醇合成催化剂,采用XRD、SEM、SEM-EDS、TEM、XPS、TRP、CO-TPD和化学吸附等方法对催化剂进行比较测试。结果表明,硫中毒、积炭、铜粒长大和杂质金属沉积等是造成甲醇合成催化剂失活的因素。由于某一种或几种因素都导致催化剂活性表面积的降低,对反应物CO吸附量减少,或造成催化剂对CO吸附能力的降低,从而降低合成甲醇反应的活性。硫中毒和铜粒长大是普遍存在的最主要因  相似文献   

18.
STUDIESONHETEROMACROCYCLICPOLYETHER(XIV)THESYNTHESISOFSELENACROWNETHERWITHHYDROXYGROUPANDDISELENA-AZA-CROWNETHERHanShengXu;Ju...  相似文献   

19.
ANOVELCOORDINATIONMODEOFTERMINALGROUPOFSOMETAILEDPORPHYRINIRON(Ⅲ)COMPLEXES¥XiangDongJIAO;JinWangHUANG;JunFengLIU;LiangNianJI(...  相似文献   

20.
INVESTIGATIONOFFRAMEWORKANDEXTRAFRAMEWORKTiINTS1BYUSINGRAMANANDXPSSPECTROSCOPIESChengShibiao,WuWei,JinZeming,MinEnze(Resear...  相似文献   

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