相轉移反應 的英文怎麼說

中文拼音 [xiāngzhuǎnfǎnyīng]
相轉移反應 英文
phase-transfer reaction
  • : 相Ⅰ名詞1 (相貌; 外貌) looks; appearance 2 (坐、立等的姿態) bearing; posture 3 [物理學] (相位...
  • : 轉構詞成分。
  • : Ⅰ動詞1. (移動) move; remove; shift 2. (改變; 變動) change; alter Ⅱ名詞(姓氏) a surname
  • : Ⅰ名詞1 (方向相背) reverse side 2 (造反) rebellion 3 (指反革命、反動派) counterrevolutionari...
  • : 應動詞1 (回答) answer; respond to; echo 2 (滿足要求) comply with; grant 3 (順應; 適應) suit...
  • 轉移 : 1 (改換位置) shift; transfer; divert 2 (改變) change; transform 3 [醫學] (擴散) metastasis;...
  1. Phase transfer alkylation

    烷基化
  2. In this paper, glycidyl ether, which was high epoxide value and low viscosity, was synthesized from 2 - trimethylene glycol, epichlorohydrin and the normal butyl alcohol by phase transfer catalyst based on the orthogonal experiment design

    摘要採用1 , 2 -丙二醇、正丁醇和環氧氯丙烷為原料,在催化劑的作用下,通過正交實驗合成了的高環氧值、低粘度的混合醇縮水甘油醚。
  3. Abstract : 1 - ( 4 - pyridinyl ) - 2 - propanone, which is the key intermediate of synthesizing the milrinone, a cardiotonic agent, was synthesized from 4 - methyl - pyridine by acetylation in dichloromethane and phase transition catalyzing hydrolysis. the overall yield was 73. 1 %

    文摘:報道了以4 -甲基吡啶為原料,經酰化和催化水解制備強心藥物米利酮關鍵中間體1 - ( 4 -吡啶基) - 2 -丙酮的新合成方法,總收率達73 . 1 %
  4. Among the genes, there were genes directly related to liver regeneration : fetuin, cathepsin ; close related to liver function : cytoplamic aspartate aminotranferase, gutathion sulfur transferase ; related to substance and energy metabolism : atp synthetase, ribosomal protein, and related to stress response : haptoglobin, transferrin

    這些基因中有和肝再生有直接關系的如:胎球蛋白、組織蛋白酶;和肝臟功能密切關的如:胞質天冬氨酸氨酶、谷胱甘肽硫酶;與物質能量代謝有關的如: atp合成酶、核糖體蛋白;以及與急有關的如:觸珠蛋白、鐵蛋白。
  5. The results indicated that the dimension, shape and purity of base material could meet the functional demand of solid lubricant ; the thermal decomposition temperature of ptfe resin exceeds 400 c, but organic and inorganic packing filler added in ptfe made the water absorption rate of composite material increased, melting temperature and decomposition temperature decreased, in the meanwhile oxidative decomposition reaction was accompanied ; polar groups such as c = o, c - o - c and so on in the carbon fiber surface is advantageous to increase compatibility with other components and interlayer shearing strength ; uniform design experimental method could help to find the relationship between formula and frictional property by relatively small tests. the developing trend of each formula ' s friction coefficient could be showed by fitting curve ; the friction coefficient with no copper powder or graphite in formula was relatively big. this fact showed that copper powder and graphite should be used cooperatively ; it was found that when the ratio of copper powder to graphite by weight is 15 : 60, 30 : 30 - 40 and 60 : 15 - 30 respectively, the friction coefficient was relatively small. the degree of crystallinity of pure ptfe reached maximum by air cooling and the abrasion loss also reached maximum among three ones ; at the same time, the abrasion loss of solid lubricant sample was also the biggest among three ones ; when solid lubricant matched with 45 # steel axle or gcrl5 steel axle, lubricant transfer film could be formed on metal surface, thus direct contact between the surface of metal friction pair rings was reduced. their working life was elongated extremely ; there was mainly much graphite, a little ptff, moo3, feso4, cus and so on in lubricant transfer film

    試驗結果表明:所選原料的尺寸、形狀及純度可滿足固體潤滑劑的性能要求;聚四氟乙烯樹脂熱分解溫度超過400 ,但在ptfe中加入無機填料會使復合材料吸水率提高,熔融溫度及分解溫度降低,且伴有氧化分解;碳纖維表面含有c = o及c - o - c等極性基團,有利於提高其與其它組分的容性,提高層間剪切強度;均勻設計試驗方法能夠用較少的試驗次數找出配方與摩擦性能間的關系,擬合曲線基本能表示各配方的摩擦系數發展趨勢;配方中不加銅粉或不加石墨,其摩擦系數均較高,說明銅粉和石墨該配合使用;當銅粉15份、石墨60份時,銅粉30份、石墨30 - 40份時,銅粉60 、石墨15 - 30份時,摩擦系數均具有較低值;純聚四氟乙烯樹脂在空氣冷卻時結晶度最大,磨損量也是三者中最大的;同時,固體潤滑劑試樣在空氣冷卻時的磨損量也是三者中最大的:不論是固體潤滑劑與45 #鋼軸配副或是固體潤滑劑鑲嵌入銅套后與gcr15鋼軸配副,在金屬表面均可形成潤滑膜,從而減少金屬摩擦副表面間的直接接觸,大大延長其使用壽命;膜中主要含有較多的石墨、少量聚四氟乙烯、 moo 。
  6. Heteropoly blue q7pmo12o42 ( q = c5h5nc16h33 ) has been designed and synthesized as reaction - controlled phase - transfer catalyst for catalytic epoxidation of cyclohexene and catalytic oxidation of benzalcoho with h2o2 as the oxidant

    設計合成了第一個由磷鉬雜多藍作為控制化劑的體系,用於對環己烯進行催化環氧化,苯甲醇進行催化氧化。
  7. In order to select male nucleo - sterile new genotype, a tentative idea was put forward for the nucleo - male sterility to attach a tps ( thermo - photoperiod sensitivity ) and a selection strategy of combination of selection and identification, at the same time, the spring and summer sowing method were used to provide different environment conditions of appraising sterility and tps. the results indicated that ( 1 ) sterility could be appraised under the spring sowing environment and tps could be appraised under summer sowing environment. ( 2 ) under spring sowing environment, sterility could be selected, but not maintained. thereby, lines selected could only be selected as recorded selection method in the experiment. ( 3 ) and then, selection was carried out from spring sowing line selected into summer sowing in same line with tps to select plants. these plants through the intercrossing selection had been combined with sterility and tps. in this way, a new selection protocol for selection sterile line with tps was formed. it mainly involves the spring and summer sowing method, recorded selection method and the intercrossing selection method

    為了選育新類型玉米雄性核不育系,提出了為玉米核不育性添加溫光敏感性的設想和選擇與鑒定結合的策略,同時用分期播種的方法為作物提供不同的生長和發育的環境條件,以鑒定玉米雄穗的育性變化和對不同環境條件溫光的.研究結果表明,春播環境下可鑒定和選擇玉米的不育性,夏播環境下可鑒定和選擇其溫光敏感性.針對玉米核不育性難以找到保持系的特性,結合兩種播期選擇兩種性狀.但春播環境下選擇的不育性群體難以通過選擇單株來保持其不育性,為記錄性群體選擇.通過從春播入選的雜合不育性優良株系群體到其對的夏播溫光敏感性入選的同一優良群體中進行優良單株選擇,能逐漸使不育性和溫光敏感性結合而選育出純合溫光敏不育系.這種新的選擇程序主要包括用分期播種法、記錄性選擇法和春夏兩季交叉式選擇法,使含有不育基因的可育株系逐步累積不育基因並增加了溫光敏感性而育成玉米溫光敏不育系
  8. Phase transfer reaction

    相轉移反應
  9. Although the development of relatively non - toxic immunosuppressive or tolerance - inducing regimens will be required to justify clinical trials using pig organs, recent advances in our understanding of the biology of xenograft rejection and zoonotic infections, and the generation of alpha1, 3 - galactosyltransferase - deficient pigs have moved this approach closer to clinical application

    盡管用豬的器官進行臨床試驗尚有賴于對無毒的免疫抑制劑或致耐方法的發展,但是我們在異種植排斥及豬源人畜共患病等方面生物學知識的進步,以及1 , 3半乳糖酶缺陷豬的產生,已經使異種植離臨床用更近了一步。
  10. Application of microwave irradiation in phase transfer catalysis

    微波輻射在催化中的
  11. The synthesis of a new reaction - controlled chiral phase - transfer catalyst

    新的控制的手性催化劑的合成
  12. Phase transfer caltalyst reaction and its applicadoil in organic synthesis

    催化及其在有機合成中的
  13. It was observed that the concentration of no2 in the gas emission decreased greatly during oxidation and the phase transfer catalyzer as well as ultrasonic played important role in the reaction

    研究發現,氧化過程中尾氣中no2的濃度明顯減小,催化劑和超聲波輻射作用對有重要作用。
  14. Ethyl vanillin was synthesized by the phase - transfer catalysis cteab and o - ethoxyphenol, which was prepared from pyroeatehol with an overall yield of 55. 2 %, and the factors in the reaction, such as phase - transfer catalysis and temperature, were discussed

    摘要以鄰苯二酚為原料,首先合成中間體鄰乙氧基苯酚,然後以十六烷基三乙基溴化銨為催化劑合成了乙基香蘭素,考察了催化劑的選擇及溫度,最後收率為55 . 2 % 。
  15. Butylation of diethyl malonate catalyzed by phase - transfer catalyst and microwave irradiation

    微波輻射催化丙二酸二乙酯丁基化研究
  16. On the other side, through the multi - aspects of research and the experience both from china and abroad on m & a, the article also clarifies its view on the efficiency theory, agency theory, transaction charges theory, value understatement theory, marketing influence theory and wealth reallocation theory. it also gives an explanation on the primitive motive on m & a, i. e. pursuing maximum profit and minimum competitive pressure, which, at the same time, generates the relevant effects : finance synergy, management synergy, market share effect, enterprise development effect, and strategy transit effect. the detail planning of a m & a strategy according to the relevant m & a motive is of critical importance to the success of a m & a operation

    企業並購從橫向並購、縱向並購、發展到混合併購,映了企業並購的發展過程;從多種角度對企業並購加以研究,並結合國內外企業並購的實際,闡述了企業並購的效率理論、代理理論、交易費用理論、價值低估理論、市場勢力理論、財富再分配理論;分析了企業並購的原始動因? ?追求高額利潤與減少競爭壓力,並由此產生的效? ?財務協同效、管理協同效、市場份額效、企業發展效、戰略;根據企業並購的動機,謹慎規劃企業並購戰略,對企業並購成功至關重要,可以採用中心多角化戰略、復合多角化戰略、垂直式整合戰略、水平式整合戰略來規劃企業並購;採用一個合適的方法對目標企業進行價值評估是企業並購中一個重要環節,正確評估目標企業的價值,使交易價格對公正合理,並能提高交易成功率,避免決策失誤;確定企業並購價值后,採用一個合理的支付方式,就完成了企業並購的最後工作。
  17. China marine oil spill contingency plan is now in the process of improvement. the inland waterway oil spill is another important area remain to be explored in term of increasing accident rate and booming shipping amount in yang tzi river. the need for inland waterway oil spill contingency plan is imperative. at strategic level, this paper compares several existing oil spill risk analysis methods including " historical date analysis " and " comparative risk indexes ", pointing out limitation of them, and then apply the " comparative risk indexes " approach to " river segment " spill risk analysis, developing " river segment oil spill comparative risk assessment framework " this paper also take new approach to collision and grounding in river by stochastic modeling tanker traffic in narrow waterway

    本文在內河溢油戰略規劃層次上,分析現有的溢油風險評估方法,包括歷史數據統計法和比較風險評估法,指出關方法的適用性和局限性;基於長江下游水道採用「區段」和「河段」雙層評估的思路,提出「長江下遊河段比較溢油風險評估模式」 ;將馬爾科夫狀態的思想用到船舶運動描述中,從隨機過程角度分析船舶在水道中的運行和事故發生,得出船舶事故概率計算模型。
  18. The first successful electrochemical biosensor is the amperometric glucose biosensor using the clark - type oxygen electrode with direct electron transfer from the glucose oxidase to the surface of the electrode

    電流型酶傳感器是生物傳感器領域中研究最多的一種類型,其電極包括酶化學和異電子
  19. Activity of the phase transition oxidation catalyst prepared by phosphotungstic acid - metal salt composite and its optimum reaction condition

    雜多金屬鹽制備催化氧化劑的活性及其優化條件
  20. The mechanism of phase transfer catalyst reacdon is reviewed, it ' s application type in organic synthesis is also introduced. the emphasis placed on polymer synthes is by ptc

    摘要催化的機理及其在有機合成中的用類型,重點對催化在高分子合成中的用作了介紹。
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