酯化度 的英文怎麼說

中文拼音 [zhǐhuàdù]
酯化度 英文
degree of esterification
  • 酯 : 名詞[化學] （有機化合物的一類） ester
  • 度 : 度動詞[書面語] （推測; 估計） surmise; estimate
  1. The results suggested that the ph value, the type of monomers, the type, concentration and surface properties of inorganic nanoparticles, the type and concentration of emulsifier have a great influence on the encapsulating emulsion polymerization and the obtained latex stability. if selecting cationic emulsifier ( ctab ), low water soluble monomers ( such as ba, st ) and hydrophobic nano - silica, the inorganic nanoparticles would be encapsulated by polymers through ultrasonic irradiation successfully under alkalescent condition

    系統研究了ba 、甲基丙烯酸甲酯（ mmal苯乙烯舊t ）以及它們的共聚體系在超聲輻照作用下包裹聚合的主要影響因素，結果表明： ph值、單體的種類、無機納米粒子的種類、濃度及表面性能、乳化劑的種類及濃度等對超聲輻照包裹乳液聚合以及復合體系的穩定性有較大的影響。
  2. As to the solvent, hexane and butvul acetate is discussed and former is more suitable for biotransformation. among seven kinds of energy source : menthok alcohok glycok glycerou 1 - hexanok butyl alcohol octyl alcohol, glycol is selected as energy source, so hexane - glycol is used as reaction system

    從生物相容性和有利於轉化的角度對兩種溶劑，正己烷和乙酸丁酯進行了比較，確定了正己烷?憶二醇為該模型反應的溶劑體系。
  3. The obtained polysilane - polyacrylate gradient films showed no macro - interface with the silicone content reducing gradually from the top surface to the bottom one. dma thermograms indicated that polysilane - polyacrylate gradient films contained two glass temperatures with their bands drifting from and their range extending much from each component. the good properties of waterproof, calorifics, and ultraviolet - absorption were also determined by dsc, uv and water contact angle measurements

    結果表明：有機硅聚合物-聚丙烯酸酯梯度膜有一個較寬的玻璃化轉變溫區，玻璃化轉變范圍相對組分材料的玻璃化轉變范圍發生了擴展：有機硅聚合物-聚甲基丙烯酸酯梯度膜具有較好的熱學性能；硅含量的提高有利於改善膜層的憎水性能和紫外吸收性能。
  4. Abstract : the formation technologies, the structure and properties of tcs microporous man - made yarn - kind new polyester fibre which was spinned in tcs with some micrometallic - oxide have been studied. the results indicate that the rheological behaviour and spinnability of commixed polyester melt, and the structure and properties of the fibre, are relative to the spinning temperature, melt pressure, microporpus size for spinning, formation conditions, thermo - vascellum temperature, thermo - vascellum position and rolling speed, besides the viscosity of polyester cuts, coacervation particles, adding amount and size of micrometallic - oxide

    研究表明， tcs微孔化共混聚酯熔體在成型加工中的流變行為和可紡性，及其纖維的結構性能除了與原料切片的特性粘度、凝聚粒子和共混聚酯中超細金屬氧化物微粒的添加量、粒徑等因素的影響有關外，還與紡絲溫度、紡絲熔體壓力、噴絲板微孔尺寸、冷卻成形條件、熱管溫度、熱管安裝位置以及卷繞速度等因素的影響密切有關。
  5. Under alkaline condition, the descreasing of esterified copolymer viscosity indicate the esterified copolymer is slow releasing. the effect of the complex superplasticizers and the single one is compared in this paper

    通過對水泥一水體系的ph值和酯化產物的ph對性能的影響的討論，確定酯化產物使用時的最佳酸堿度。
  6. In order to improve the performance of the maleic anhydride - co - acrylamine copolymer water - reducing agent, the copolymer is monoesterified with the polyethylene glycols. the fluidity of the esterified copolymer has been increased 60 %, and it has good retarding performance

    通過對不同條件下得到的共聚物的酯化產物的性能的測試得到初始中和度、引發劑用量、反應物濃度、反應溫度與酯化產物性能的關系。
  7. The rate of hydrolysis is for the most part significantly lower than the esterification rate.

    多數情況下水解速度較酯化速度低得多。
  8. 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。
  9. Abstract : using sulfamie acid as catalyst, synthesis of benzyl acetate and phenylethyl acetate through esterification were studied. the yields are good with high purity

    文摘:研究了氨基磺酸催化酯化合成乙酸芐酯和乙酸苯乙酯。此工藝反應時間短、能耗低、產品純度高、產率良好、無三廢污染，優于文獻方法。
  10. This paper investigates the types of acrylic modified solvent ( methyl and dimethyl benzene ), the usage of acrylic acid, the usage of initiator, esterification time, and preliminarily tests the dehydration rate of modified demulsifier

    摘要對丙烯酸改性溶劑的種類（甲苯和二甲苯） 、丙烯酸的用量、引發劑的用量以及酯化時間進行考察，並針對改性后的破乳劑的脫水速度和脫水率進行了初步的檢測。
  11. By detailed calculation, the restriction of no. 11 polyester equipment first esterification reactor increasing productivity was analyzed, and the bottle neck of heat transfer capability was indicated

    通過熱量衡算分析了第一酯化反應器負荷的提升限度，指出了制約傳熱能力的瓶頸。
  12. It was demonstrated that the reaction temperature, solvent, concentration of the reactants and catalyst, ageing time affected the particle size and distribution. by controlling these factors or feeding teos step after step, monodispersed and spherical ultrafine sio2 powder could be prepared

    討論了醇、水、氨、正硅酸乙酯、溫度、陳化時間等多種影響因素對顆粒粒徑及粒徑分佈的影響，得出了制備超細二氧化硅粒子的優化的工藝條件。
  13. Structure determination of high - branched ester plasticizer

    高支化度酯類增塑劑的結構鑒定
  14. The amount of catalyst can be reduced by selecting nice solvability catalyst, cutting down the remnant carboxyl amount of esterification and elevating polycondensation temperature

    選擇溶解性能好的催化劑，降低酯化殘存羧基量，提高縮聚溫度，可減少催化劑用量。
  15. Esterification is carried out continuously in low or normal temperature, with stable process and safety operation

    酯化在低溫或正常反應溫度下連續進料，易於控制，安全可靠
  16. The acidity and catalytic properties of solid superacid so2 - 4 - moo3 - zro2 for esterification

    的酸強度與酯化催化性能
  17. Peg and superfluous aa reaction by complete concatenation method, the esterify production " esterify water " and acid number were mensurated, it shows that the esterify reaction would be processed under 100 esterify temperature and with amine accelerantthe tide of esterify reaction was substantiated by ir. in the ir spectrum, the characteristic peak of hydroxy of peg and carboxyl of aa were weakened. and the ester link of peg was reinforce. the " esterify water " was increased gradually and the acid number of esterify production was debased gradually along with the extent of esterify time and the augmentation of molecular weight of peg

    通過聚乙二醇與過量的丙烯酸採用全連續法進行反應，測定酯化產物「酯化水」和酸值等宏觀手段反映出在胺類促進劑、 100的酯化溫度等條件下的酯化進程，而利用紅外光譜（ ir ）分析所反映的聚乙二醇的羥基和丙烯酸的羧基特徵峰減弱，而pea的酯基特徵峰加強等特徵進一步證實了宏觀手段所表現出來的酯化趨勢：隨著酯化時間的延長和聚乙二醇分子量的增大，產生的「酯化水」逐漸增加，酯化產物的酸值逐漸降低；從酯化時間看，當反應時間達到300min時，酯化物的酸值達到最小，而從ir分析來看，酯化物pea4的羥基峰在300min時減弱到最小， pea23在120min時羥基峰的表現出酯化基本完全。
  18. The best process of sulfomethylated poly ( maleic anhydride - co - acrylamide ) is also designed. by testing setting time and water reducing rate of water - reducing agent, we find that the water - reducing ratio of the monoesterified ma - am is 20 %, and the sulfomethylated ma - am is 6. 3 %. they both have good retarding performance

    本文還對水泥標準稠度用水量與凝結時間進行測定，得出酯化改性的減水劑減水率達到20 ，磺甲基化改性的減水劑減水率為6 . 3 ，改性產物均有一定的緩凝性。
  19. By measuring the water - reducing rate in the mortar and the mortar strength, we conclude that the modified copolymer can reducing the water in the mortar as well as cement, and esterified copolymer can increase the strength of the mortar but the sulfomethylated copolymer decrease the strength because of the long time retarding performance

    通過對砂漿減水率的測定發現改性產物對砂漿同樣具有較好的分散性。通中文摘要過對砂漿的28天強度測定，發現添加酯化改性產物的砂漿抗壓強度提高17 7 ，抗折強度提高10
  20. Study on the effects of esterification on the properties of triple - modified wheat starch paste

    三重變性小麥澱粉中酯化反應對澱粉糊粘度特性影響的研究
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