catalytic activity 中文意思是什麼

catalytic activity 解釋
催化活度
  • catalytic : adj. 【化學】催化(的)。adv. -ically
  • activity : n. 1. 活動;活躍;動作;活動力;能動性。2. 活性;放射性。3. 機能,功能。4. 〈美國〉機構。5. 〈pl. 〉 活動范圍。
  1. Preparation of cobalt pyridine - 2 - carboxylate and its catalytic activity on oxidative carbonylation of methanol to dimethyl carbonate

    羧酸鈷的制備及催化羰化性能研究
  2. In order to improve the electro - catalytic activity of platinum based catalyst to methanol oxidation, in this thesis, firstly prepare heteropoly acid modified pt / gc electrode with different concentration by cyclic voltammetry method, and then test the cyclic voltammetry curves individually in vitriolic and methanol solution. the study shows the best concentration for both phosphomolybdic acid and phosphotungstic acid is 1 10 ~ ( - 3 ) mol / l. and find the more heteropoly acid modified on electrode, the lower peak - up potential towards methanol because of the existence of oxygenous species

    為了改善鉑基催化劑氧化甲醇的催化活性,本論文首先通過循環伏安掃描法制備了不同濃度磷鉬酸和磷鎢酸修飾的pt / gc電極,通過研究pt / gc電極在修飾前後在硫酸溶液中及含甲醇的硫酸溶液中的循環伏安行為發現,磷鉬酸和磷鎢酸均能在ptru / c電極上發生氧化還原反應,而且雜多酸修飾濃度對pt / gc電極氧化甲醇的催化活性有很大影響。
  3. 4. engineering dhqase ( arod ) - deficient e. coli mutant with a second copy of the arob gene gene targeting technique was used to disrupt the arod gene in e. coli chromosome. the mutant 31bk was engineered, in which homologous recombination of the arobkanr gene cassette into the arod locus ( arod : : arobkanr ) of the e. coli strain atcc31884 genome utilized the helper plasmid pkd46 with red system. the host cell 31bk lacked catalytic activity of dhqase ( arod ) and had a second copy of the arob gene, so it improved carbon flow into the quinic acid biosynthesis direction

    構建宿主菌基因精確定位突變株31bk ( arod : : arobkan ~ r )為了改變代謝途徑脫氫奎尼酸( dhq )分支點上的代謝流量,使之充分流向目的產物奎尼酸合成方向,利用基因打靶技術構建了31884宿主菌arod基因精確定位插入突變體,使dhq脫水酶( dhqase )失活,阻斷了碳代謝流流向芳香氨基酸生成的方向,同時用同源重組的方法將arob基因定位整合入染色體上,解除了限速酶對碳代謝流通過共同途徑到達dhq的阻遏影響,並減輕代謝負擔。
  4. Catalytic activity of sulfonated poly phthalazinone ether sulfone ketone resin

    磺化聚醚碸酮樹脂的催化活性
  5. In order to discuss the application of sol - gel in the preparation of biomembrane, the gel membrane of agarose was prepared by sol - gel with acticarbon and agarose as raw material, at the same time, the catalytic activity of immobilized cod based in the membrane was studied

    為探討生物傳感器用膜的制備,採用溶膠-凝膠法,以活性炭微粉和瓊脂糖制備了瓊脂糖凝膠薄膜並研究了薄膜固定cod的催化特性。
  6. Catalytic activity of supported aqueous - phase catalyst in heck reaction

    反應中的催化性能
  7. Study on catalytic activity of nano - sized so42 - tio2 solid super acid

    2固體超強酸的催化活性研究
  8. Catalytic activity of hydrodesulfurization on nitride niw catalysts

    鎳鎢系列氮化物催化劑的加氫脫硫催化性能
  9. Studies on the catalytic activity of cyclopalladated ferrocenylimines in heck reaction

    反應中的催化活性研究
  10. Solid - state preparation and catalytic activity of h3znpmo10v2o40 nanocatalyst

    40納米催化劑的固相合成及其催化性能
  11. The investigation of catalytic activity of la - sr - fe - co perovskite - type - oxide

    甲烷在鈣鈦礦型催化劑上脫硫脫氮的研究
  12. All salts studied except nacl exhibit perfect catalytic activity

    所研究的所有鹽類,除氯化鈉,都有很好的催化作用。
  13. The purified enzyme was a monomeric protein whose optimum ph was 8. 0. inhibitor study demonstrated that it was a metalloprotease and contained sulfhydryl groups essential for catalytic activity. its activity was inhibited by divalent cations such as zn2 +, mn2 +, and the kj values of zn2 +, mn2 + were imm

    這種酶溫度適應范圍較廣,在較大溫度變化區間內都具有明顯的活性,但是對緩沖溶液ph值的變化卻很敏感,體外以明膠為底物時最適溫度為38oc ,最適ph值為8
  14. Studies on synthesis, characterization and catalytic activity of supported heteropoly acids for dehydration of isopropanol in vapor - phase

    固載型雜多酸的合成與表徵及催化異丙醇氣相脫水反應的活性
  15. Carbon nanotubes ( cnt ) are new promising materials of catalyst supports for pemfcs. previous studies reveal that cnts supported catalysts show enhanced catalytic activity towards oxygen reduction reaction ( orr ) and methanol oxidation

    碳納米管( cnt )作為載體的電催化劑在氧還原和甲醇氧化等pemfc電極反應方面表現出良好的催化活性。
  16. The results showed that hydrothermal cracking occurred while injecting steam, and the catalyst had catalytic activity for hydrothermal cracking of heavy oil at higher temperature ; viscosity and average molecular weight of heavy oil was thus lowered

    實驗結果表明,在注入蒸汽的條件下,遼河稠油可以發生水熱裂解反應,高溫下催化劑對水熱裂解反應具有催化作用。
  17. A further research indicates that the electro - catalytic activity and longtime stability of pt / ti electrode are much better than those of pure pt electrode

    進一步研究表明該塗層同純鉑電極相比,顯示了很強的電催化活性和長時間穩定性。
  18. The catalytic activity of ( hmbp ) 2ticl2was lower than - diketonate titanium catalysts. the catalytic activity of dinuclear - diketonate titanium catalysts was comparative to mononuclear ones. however, the dinuclear - diketonate titanium catalyst showed the synergism effect, for example, the lower catalyst concentration and the molar ratio of al to ti, the activity reached the maximum value at 80, the melting temperature of polymer was enhanced

    2 -羥基苯酮鈦[ ( hmbp ) _ 2ticl _ 2 ]的催化活性低於-二酮鈦類催化劑;雙核催化劑在催化活性方面與對應單核催化劑相差不多,但在聚合規律上表現出與單核催化劑不同的雙核協同作用,如聚合所需的催化劑濃度、助催化劑甲基鋁氧烷mao量降低,活性在80時出現極值,熔點提高等,而且雙核催化劑是單活性中心催化劑。
  19. The result shows that f3 is obviously easy to form the complex with cerium compared with f2 and f3. and the cerium ( iv ) - f3 complex has much greater catalytic activity of hydrolysis collagen than cerium ( iv ) - fl and cerium ( iv ) - f2 complexes

    研究表明, f3與cerium ( )的配合效果明顯好於f1和f2 ,且f3與cerium ( )形成的復合物水解膠原蛋白的活性強于f1和f2 。
  20. In the experiment of catalyst preparation, the catalytic activity of mno2 / c which was prepared with mn ( no3 ) 2 solution and active carbon by the means of thermal decomposition reached the highest among three kinds of catalysts, and the performance of mno2 / c was enhanced by acidification. moreover, the results showed that the catalytic activity of mno2 was also affected by different mode of catalyst and active carbon dispersed

    催化劑的制備實驗表明,採用硝酸錳溶液和活性炭共同熱分解得到的mno _ 2 / c ,具有最高的催化活性,對催化劑進行酸化處理能提高催化劑的活性,而且催化劑和活性炭的分散方式不同對其性能的影響較大。
分享友人