exchange reaction 中文意思是什麼

exchange reaction 解釋
交換反應
  • exchange : vt 1 (以某物與另一物)交換,調換 (for) 2 互換,交流,交易。3 兌換。 vi 1 兌換 (for) 2 交換;...
  • reaction : n 1 反作用,反應;反沖;反動力。2 【政治學】反動,倒退;復古(運動)。3 【化學】反應,【物理學】...
  1. Abstract : several - aromaticamino ketones, which were designed according to some hypothetical models of the cyclooxygenase and 5 - lipoxygenase active sites, were synthesized by an amino exchange reaction. the structures of the eight new compounds were confirmed by ir, 1h - nmr and elemental analysis. the results of the pharmacological tests showed some of the investigated compounds had significant anti - inflammatory activity on croton oil - induced ear edema of mice

    文摘:根據環氧化酶、 5 -脂氧化酶活性中心結構模型設計了一組-芳胺酮類化合物,並用胺交換反應合成了這些化合物.經紅外光譜、核磁共振氫譜及元素分析證實了8個未見文獻報道的化合物的結構.藥理實驗結果顯示.部分受試化合物在巴豆油誘發小鼠足趾腫脹模型中表現出一定的抗炎活性
  2. This complex reaction is characterized by a keto - enol tautomerism eqilibrium and ester exchange reaction

    此螯合反應是由酮一烯醇互變異構平衡過程和酯交換反應組成。
  3. Put together the pre - esterified grease and the methanol ; adopt secondary reaction to eliminate the glycerin engendered in the first reaction to continue the ester exchange reaction

    經預處理的油脂與甲醇一起,採用二步反應,除去初反應中生成的甘油,使酯交換反應繼續進行。
  4. This article mainly focus on the selection and amelioration of catalyst. we think the mechanism of depolymerization reaction of the poly lactic acid ( oligomer ) is a intramolecular ester exchange reaction

    本文從改善合成反應的催化條件入手,通過對丙交酯合成反應的機理分析,認為整個反應是一個酯化和分子內的酯交換的反應過程。
  5. New developments of polycarboxylic acid derivative catalysts, ion exchange resin catalysts, macrocyclic chelating compound catalysts, quaternary phosphonium salt catalysts, heterogeneous hydrotalcite - type catalysts and other catalysts which to be used in ethylene oxide catalytic hydration, and the catalysts of synthesis method of ethylene glycol via preparation and reaction of ethylene carbonate are expounded

    闡述了用於環氧乙烷催化水合反應中的多羧酸衍生物催化體系、離子交換樹脂催化體系、大環螯合物催化體系、季?鹽催化體系、多相水滑石型催化體系及其他催化體系近年來的研究進展;同時闡述了用於碳酸亞乙酯法合成乙二醇反應中的催化體系的新進展。
  6. Study on hydrogen - tritium exchange reaction of tritiated tetramethyl pyrazine

    液相氚化川芎嗪的氚氫交換反應
  7. On the basis of analysis on the pairwise action of cement paste, nanometer silica fume and clay, the paper proposes the reinforcement mechanism of the cemented soil stabilized with nanometer silica fume. the reinforcement mechanism includes cementation action of cement hydrate, ionic exchange and quadrate reaction of clay particle, pozzolanic effect, filling effect and cementation action of nanometer silica fume

    在研究水泥漿?納米硅粉、納米硅粉?粘性土、水泥漿?粘性土相互作用的基礎上,將納米硅粉水泥土的固化機理總結為:水泥水化物的膠結作用、粘土顆粒中的離子交換效應和「二次反應」 、納米硅粉的火山灰效應、納米硅粉的填充效應、納米硅粉的膠結作用。
  8. Crystal zirconium phosphate - phosphonate has the stability and regulity of interlayer floor of inorganic a - zirconium phosphate, they still have the designability of the organic group in the interlayer and adjustment of the ratio of organic and inorganic phosphorus acid, they are a kind of potential smart material, we can process molecule design and optimize filtration according to the requirement of goal reaction, we can prepare special ion - exchange, catalyst, catalyst supporters nonlinear optics compound, solid state proton conductivity and the intercalation complex precusor by introducing different active organic group or active center into the choice and stable framework of inorganic a - zirconium phosphate

    有機?無機晶態混合磷酸鋯具有無機磷酸鋯的層板穩定性和規整性,同時具有層間有機基團的可設計性和有機無機磷酸混合配比的可調節性的特點,是一類很有潛力的靈巧材料,並且可以根據目標反應的要求進行分子設計和優化篩選,在無機磷酸鋯優良穩定的骨架上引入不同的活性基團或活性中心,可以制備出性能獨特的離子篩、催化劑、催化劑載體、非線性光學物質、固態質子導體和制備插層復合物的前驅物。
  9. In this paper all kinds of fuel cell, the current research situation and working principle of proton exchange membrane fuel cell ( pemfc ) are outlined. mathematical models in relation to electrochemistry reaction and transfer process in direct methanol fuel cell ( dmfc ) are compared and analyzed. latest progress of membrane materials and instrument analysis technique in dmfc has also been described

    介紹了燃料電池的分類以及質子交換膜燃料電池( pemfc )的工作原理和研究現狀,並對直接甲醇燃料電池( dmfc )中有關電化學反應及傳遞過程的數學模型進行了比較和分析,描述了適用於dmfc的膜材料以及儀器分析技術的最新進展,認為直接甲醇燃料電池是目前較理想的燃料電池,有著廣闊的發展前景。
  10. The ion exchange quomodo was innovated, and the idea was first brought forward that the ion exchange reaction were occurred after the precursors were pretreated. the ion exchange reaction in molt salt was further studied

    本論文對離子交換反應的方式進行了創新,首次提出先將前驅體進行預處理再離子交換的思想,並對熔融鹽介質中進行的離子交換反應做了深入研究。
  11. In this paper, which is about p + a p " + a " + reaction process, exciting the n * ( 1440 ) in the projectile of protron mediated by an isoscalar ( cr ) exchange, we continued to work in the framework of effective theory

    本文在以標量介子作為交換介子的有效理論框架下,在完全相對論的基礎上,研究了p + a p + a +反應模型中,在入射粒子p上產生共振激發態n ~ * ( 1440 )的反應過程。
  12. The results of the study show that, when compared with the reaction intensified with mechanical agitation, low - frequency ultrasonic wave can greatly promote the ester exchange reaction and shorten the reaction time

    研究結果表明,與機械攪拌增強反應比較,低頻超聲波可以大大強化酯交換反應過程,縮短反應時間。
  13. The method of synthesising terpinol with ion exchange resin catalysis was investigated. effects of kind of solvent used, reaction temperature and reaction time on product output were studied

    探討了用離子交換樹脂催化合成松油醇的工藝條件,考察了溶劑、反應溫度和反應時間等對水合反應的影響。
  14. The basic tenet of ? he strengthening is the physical and chemical reaction course : that is the hydration ; the carbonation of cement ; ion exchange and consolidate

    加固的基本原理是水泥加固土的物理化學反應過程:水泥的水化反應;水泥的碳化反應;離子交換與團粒作用。
  15. In this thesis, organic - montmorillorite ( org - mmt ) was obtained - by an ion - exchange reaction between na + - montmorillorite ( na + - mmt ) and alkyl ammonium bromide, leading to increase the basal spacing of montmorillonite. xrd analysis indicated that alkylammonium ions had already exchanged with na + ions in na - montmorillonite and long alkyl - chains had entered into the gallery of montmorillorite

    X -射線衍射( xrd )分析結果表明有機胺陽離子已同蒙脫土中的鈉陽離子發生離子交換作用,烷基長鏈進入蒙脫土層間,導致層間距擴大,並使蒙脫土層間親水性轉變成親油性。
  16. In the thesis, organic - montmorillonite ( org - mmt ) was obtained by an ion - exchange reaction between ca - montmorillonite ( ca - mmt ) and alkylammonium ion, leading to increase the basal spacing of montmorillonite

    本文採用烷基季銨鹽對ca基蒙脫土進行有機化處理,使其成為有機蒙脫土( org - mmt ) 。
  17. Ester exchange reaction

    酯交換反應
  18. Biodiesel oil is prepared from soya bean oil and methanol, the ester exchange reaction is conducted under ultrasonic conditions with alkali as the catalyst, and the effect is discussed of ultrasonic wave on the reaction

    摘要以大豆油和甲醇為原料制備生物柴油,酯交換反應在超聲波條件下以堿作為催化劑進行,討論了超聲波對反應的影響。
  19. Part : study on the intercalated copolymerization and properties of exfoliated polyacrylic acid / acryl amide / montmorillonite ( paa / am / mmt ) hybrid using cation exchange resin as cation source, the montmorillonite convert to sodium form by means of the cation exchange reaction of the montmorillonite and cation resin. the two - step intercalation method by using two different organic salts was sued in the modification of montmorillonie. its effect was much better in preparing polyacrylic acid / acrylamide / montmorillonite ( paa / am / mmt )

    第三章插層共聚制備剝離型聚丙烯酸/丙烯酰胺/膨潤土納米雜化材料及其熱性能研究利用732陽離子交換樹脂對膨潤土進行鈉化,二次插層對鈉化膨潤土進行處理,溶液共聚法制備了剝離型聚丙烯酸/丙烯酰胺/膨潤土( paa / am / mmt )納米雜化材料。
  20. Exchange reaction characteristics of anion exchange resin for diclofenac sodium

    陰離子交換樹脂與雙氯芬酸鈉的交換反應特性
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