esterification reaction 中文意思是什麼

esterification reaction 解釋
酯化反應
  • esterification : 酯化反應
  • 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. The results showed that the reaction condition became milder over expansible graphite, but the esterification efficiency was lower than 40 %

    結果表明，在可膨脹石墨的催化下，酯化條件明顯緩和，但酯化產率較低，不到40 % 。
  2. The technical difficulties in low - alcohol liquor production mainly cover the following aspects : the bleeding of ethyl palmitate, ethyl oleate and ethyl linoleate etc. after alcohol - degrading might produce the lost of gloss, turbidity and precipitate ; the suspended substances produced in distillation and packing, the production water, and the metal ions contained in production containers are the main reasons for the precipitate in liquor ; besides, the hydrolization reaction and esterification reaction of liquor body during shelf period would also produce the lost of gloss, turbidity and precipitate

    低度白酒生產過程的技術難點主要是白酒降度產生失光、渾濁、沉澱，其主要原因是由於降度后棕櫚酸乙酯、油酸乙酯和亞油酸乙酯等析出；蒸餾、包裝等過程帶入的懸浮物，生產用水、生產容器所含金屬離子等為低度白酒產生沉澱的主要原因；還有低度白酒酒體在貨架期的水解、酯化反應也會引起低度白酒產生失光、渾濁和沉澱。
  3. Abstract : the esterification of phthalic acid and ethylene glycol under microwave field was studied. the results showed that it could get high yield of product and need less fime to complete the reaction

    文摘:觀測了鄰苯二甲酸及乙二醇在微波輻照下的升溫曲線，並研究了鄰苯二甲酸和乙二醇在微波輻照下的酯化反應，結果表明，微波輻照下的酯化反應行為優于常規條件（電爐加熱）下的酯化反應行為。
  4. Abstract : a novel enzymatic reaction ? ammonolysis was introduced in thenineties. this reaction not only provides a synthetically useful and mild alternative method for the synthesis of amides, but also can be used for the kinetic resolution of chiral alcohols or chiral carboxylic acids. in addition to enantioselective hydrolysis, esterification and transesterification, ammonolysis also shows high enantioselectivity in the resolution of racemates

    文摘:酶促氨解反應是20世紀90年代中期發現的一種新型反應，在脂肪酸酰胺的合成、手性藥物（手性酸及手性醇等）的拆分中顯示出巨大的應用潛力，是除立體選擇性水解、酯化、轉酯反應之外的另一具有較大開發應用前景的酶促新型反應。
  5. Soluble in water and many organic solvent, owning good lubricity and thermal stability, almost having no toxicity and excitability, being able to occur esterification reaction and etherification reaction with other compounds

    能溶於水和多種有機溶劑，有優越的潤滑性及熱穩定性，幾乎沒有毒性和刺激性，可與其他化合物起酯化、醚化反應。
  6. Studied the liquid - phase synthesis of butyl acetate from n - butyl alcohol and acetic acid using the supported heteropoly blue as catalyst. examed several factors imposing on esterification. the results revealed : using this catalyst, the reactions conversion percentage reaches nearly 100 %, product yield is 98. 9 %, selectivity is 98. 9 %. reusing it 10 times, the efficiency is still well. in addition, using this catalyst, the reactions temperature is mild, the reaction time is short and the equipment hasnt any erosion. furthermore, there is no “ threewastesdischarge

    對以負載型雜多藍為催化劑的乙酸與正丁醇的液相酯化反應進行了研究.考察了影響酯化反應的因素.結果表明：以負載型雜多藍為催化劑，酯化反應轉化率接近100 % ，收率可達98 . 9 % ，選擇性為98 . 9 % ，重復使用10次催化效果仍好.該催化劑還有反應條件溫和、反應時間短、對設備無腐蝕、無三廢排放等優點
  7. The development on research of catalytic esterification of rosin in the past 30 years are summarized. conditions and catalysts used in the reaction are specially noted and compared. it is pointed out that enforcement of such researches on rosin esterification is helpful for better utilization of rosin resources in china. fifty - two references are cited

    綜述了30年來松香催化酯化反應的研究進展，重點考察了反應使用的催化劑、反應條件以及產品性能，對進一步研究松香酯化改性具有指導意義，並有利於我國松香資源的充分利用。
  8. Abstract : the development on research of catalytic esterification of rosin in the past 30 years are summarized. conditions and catalysts used in the reaction are specially noted and compared. it is pointed out that enforcement of such researches on rosin esterification is helpful for better utilization of rosin resources in china. fifty - two references are cited

    文摘:綜述了30年來松香催化酯化反應的研究進展，重點考察了反應使用的催化劑、反應條件以及產品性能，對進一步研究松香酯化改性具有指導意義，並有利於我國松香資源的充分利用。
  9. A planar tetradentate dinuclear ligand, 3, 5 - bis ( 2 - pyridyl ) pyrazole, was synthesized by a three - step reaction of esterification, condensation and addition

    以2 -吡啶甲酸為原料，經酯化、縮合、加成合成了平面四齒雙核配體3 ， 5 -二（ 2 -吡啶基）吡唑。
  10. Esterification reaction mechanism on the surface of so42 - zro2 solid superacid catalysts

    2固體超強酸催化劑上的酯化反應機理
  11. The effects of reaction time, feeds mole ratio, and the amount of catalyst used in the esterification on the yield were discussed

    探討了反應時間、醇酸摩爾比、催化劑用量以及帶水劑用量對酯化收率的影響，確定了較適宜的反應條件。
  12. The catalytic activity of iodine in the esterification reaction was studied by synthesis cyclohexyl acetate from acetic anhydride, cyclohexano and acetic acid, cyclohexano

    摘要以單質碘為催化劑，通過乙酸酐、環己醇及乙酸、環己醇為原料合成乙酸環己酯，對碘的催化活性進行了研究。
  13. Purity isobutene by mtbe cracking and as catalysts for esterification and alkylation reaction

    Mtbe裝置按生產用途可分為煉油型及化工型兩類。
  14. After partial esterification of alkylpolyoxyethylene ether with citric acid, the reaction mixture was neutralized by sodium hydroxide to produce the salts of the partial esterification products

    摘要將脂肪醇聚氧乙烯醚和檸檬酸進行部分酯化反應，生成脂肪醇聚氧乙烯檸檬酸酯，再中和成鈉鹽。
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