醚化了的 的英文怎麼說

中文拼音 [huàde]
醚化了的 英文
etherfied
  • : 名詞[化學] (有機化合物的一類) ether
  • : 了助詞1. (用在動詞或形容詞后, 表示動作或變化已經完成) 2. (用在句子的末尾或句中停頓處, 表示變化, 表示出現新的情況, 表示催促或勸止)
  • : 4次方是 The fourth power of 2 is direction
  1. 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,在相轉移催作用下反應,通過正交實驗合成高環氧值、低粘度混合醇縮水甘油
  2. The applications of etherified end group capped polyether in the fields such as cleaning, textile dyeing and printing, food processing and synthesizing polyether modified organosilicon were introduced through practical examples

    並通過實例介紹封端聚在清洗、紡織印染、食品加工及在合成聚改性有機硅等領域應用。
  3. Meanwhile, the pervaporation of pvb membrane containing etherified p - cd and ca membrane containing etherified p - cd were measured respectively, obtaining a permeation flux greater than other membranes with p - cd

    同時,測試- cd與聚乙烯醇縮丁醛( pvb )共混膜,- cd與ca共混膜滲透汽性能,獲得比較理想滲透通量。
  4. The title mid - etherified melamine - formaldehyde resin was synthesized in two steps and used as a curing agent of water borne paint, the best reaction conditions were investigsted, in ferms of the influence of temperature, time and catalyst

    摘要採用兩步法合成用於塗料交聯劑三聚氰胺樹酯,考察溫度、時間、催利等因素對交聯劑中不同組分含量影響。
  5. The main synthetic methods of etherified end group capped polyether, the molecular structure of etherified end group capped polyether influencing on the product characteristics and the technical progress of etherified end group capped polyether in recent years were discussed emphatically

    摘要重點論述封端聚主要合成方法、封端聚分子結構對產品特性影響,以及近年來封端聚技術進展。
  6. As to the separation of p - xylene / m - xylene, in order to blend polymer hydrophobe with p - cd which is preferential to adsorb p - xylene, etherified p - cd was synthesized using benzyl chloride ( phch2cl ). the influences of etherification conditions on the reaction conversion and the degree of substitution of etherified p - cd were investigated. the reaction conversion increases with the increasing of molar ratio of phcr ^ cl : p - cd and the concentration of p - cd

    對于px mx體系分離,為使對px具有優先絡合能力一環糊精( cd )能夠與油溶性高分子共混,本文採用williamson合成法運用氯芐( phch _ 2cl )使-環糊精( - cd ),並由元素分析結果,計算出產物取代度和轉率,系統地考察反應條件對轉率和取代度影響。
  7. In this paper, two kinds of polyazomethine / nylon - 6 ( pam / pa - 6 ) composites with different chemical structures were prepared by means of in - situ polymerization. pam1 and pam2 were prepared from the reaction of terephthalaldehyde with l, 6 - hexanediamine ( paml ), and terephthalaldehyde with 4, 4 ' - diamiediphenyl ( pam2 ). during the preparation, pam chain ends played a retard role in the polymerization of s - caprolactam obviously

    本文通過原位聚合法制備兩種不同學結構聚甲亞胺尼龍6 ( pam pa6 )分子復合材料, pam1為對苯二甲醛與1 , 6 -己二胺反應制備聚甲亞胺, pam2為對苯二甲醛與4 , 4 』 -二氨基二苯合成聚甲亞胺。
  8. The summary of manufacturing situation of perfluoroelastomers is made. a brief introduction and analysis of the physical property and application are discussed

    摘要概述國內外全氟橡膠生產和應用情況,並介紹物理機械性能以及產品應用領域。
  9. By static tests, studied the uf characteristics of the uf membranes, which have two kinds of intercept molecular eight, and made from pes, pek, spes and spk , in treating black liquid from basic straw pulp. the result showed : at the condition of static contacting, the pes and spes spk are polluted by composition of black liquid in a less degree, and the pek is in the heaviest edgree. the sulphonaled membranes with higher negative charge have better uf characteristics of black liquid. the uf membranes characteristics of 20 thousand intercept molecular weight are superior to 50 thousand intercept molecular weight

    通過靜態試驗,研究兩種截留分子量碸、聚酮、磺聚碸/聚碸、磺聚碸/聚酮等超濾膜處理堿法草漿黑液超濾特性,結果表明:靜態接觸條件下,聚碸及磺類膜受黑液組份污染程度較輕,聚酮膜污染程度最重;荷負電性較高類膜具有較好黑液超濾特性;截留分子量2萬超濾膜特性要優於5萬膜。
  10. Abstract : propylene alcohol ethers is one of the fine chemicals with many uses and lower toxicity, which is widely studied now. the research progress on the catalysts in the etherification of propylene oxide with alcohol was reviewed in this paper

    文摘:丙二醇是一種低毒用途廣泛精細學產品,目前國內外對其生產工藝與催開發廣為關注.本文作者較為系統地概述國內外有關合成丙二醇研究現狀
  11. This paper discusses methods of synthesizing fomesafen technical having high active ingredient percentages, with special emphasis on the key processes of nitration and acylation, and with the goal of manufacturing low cost fomesafen technical with > 98 % purity

    摘要討論高含量氟磺胺草原藥合成方法,對關鍵與酰工藝進行探討,使其在較低生產成本下合成98 %以上氟磺胺草原藥。
  12. The main achievements are as follows : 1 it ' s for the first time to extensively investigate effects of main combustion system parameters such as plunger diameter, plunger stroke, fuel delivery advanced angle, valve opening pressure of nozzle on performance of dme engine. the parameters are optimized

    取得主要成果有: 1系統地研究油泵柱塞直徑和行程、供油提前角、噴嘴啟噴壓力等發動機燃燒系統主要參數對二甲發動機性能影響,優這些參數。
  13. We have synthesized two novel crown ether compounds which possess the properties of lyotropic liquid crystals. the one is n - octoxymethyl - 15 - crown - 5, the other is ( 15 - crown - 5 ) methyl stearate. the hydrolysis of pnpp ( p - nitrophenyl pipolinate ) catalysis by n - octoxymethyl - 15 - crown - 5 micellar solution has been studied spectrephoto - meterically

    我們合成兩種具有溶致液晶性質合物,正辛氧基甲基- 1 , 4 , 7 , 10 , 13 -五氧雜環十五烷和硬脂酸( 15 -冠- 5 )甲酯和3 -正辛氧基- 1 , 2丙二醇。
  14. The influence of catalyst on the copolymerization of epoxy and cyanate was investigated, and the mechanism of their copolymerization was discussed. the catalyst can obviously accelerate the curing of the resin to decrease the curing temperature. the three kinds of reactions ( cyclotrimerization, co - reaction and polyetherification ) in their copolymerization are not simultneous and independent to each other. in the lack of cyanate functional group, the main structures are oxazoine and polyether structure in the cured resin, and the triazine ring structure is of miner importance

    研究劑對環氧樹脂與氰酸酯樹脂共聚固反應行為影響,並初步探索氰酸酯/環氧固反應歷程.研究表明,催劑能明顯地促進其固反應,降低固溫度,縮短固時間;氰酸酯與環氧共聚反應歷程是首先氰酸酯三聚反應生成三嗪環結構,然後三嗪環開環與環氧共聚反應,最後是未能參與共聚反應環氧官能團在唑啉結構和三嗪環下發生聚反應;在氰酸酯官能團欠量條件下,固樹脂中主要是唑啉和聚結構,而三嗪環結構含量很少
  15. Abstract : aim to synthesize a new prodrug, resveratrol trinicotinate. methods in presence of lithium and a catalytic amount of naphthalene, the reaction of p - methoxybenzyl trimethylsilyl ether and 3, 5 - dimethoxylbenzaldehyde gave resveratrol after a series of translation. resveratrol trinicotinate was obtained by the reaction of resveratrol and nicotinoyl chloride hydrochloride. results a mutual prodrug resveratrol trinicotinate was designed and synthesized. conclusion a novel method for synthesis of resveratrol and resveratrol trinicotinate has been afforded. the e - isomer is selectivily obtained by dehydration of the compound 2 with khso4

    文摘:目合成一種前藥白藜蘆醇煙酸酯.方法在金屬鋰片和催存在下, 3 , 5 -二甲氧基苯甲醛與對甲氧基苯甲醇三甲基硅反應經過一系列轉變得到白藜蘆醇,白藜蘆醇與煙酰氯反應得到白藜蘆醇煙酸酯.結果設計併合成白藜蘆醇煙酸酯.結論提供一種合成白藜蘆醇及白藜蘆醇煙酸酯方法,採用khso4脫水可選擇性得到反式產物
  16. Applications of a variety of metal - based catalysts to asymmetric oxidation of sulfides were reviewed

    綜述各類手性金屬絡合物催劑在硫不對稱氧應用。
  17. And they are different with the common liquid crystal compound in the molecular structure, property and application function. up to now, people have more interest on the them in the field of transferring signal and information at the molecular level. starting from the molecular design, three novel series of schiff base type liquid crystal crown ethers were synthesized

    從分子設計出發,設計併合成三類新席夫堿型液晶冠合物,根據分子中冠環和木端烷氧基不同和大小以及合物構型將其分為六個系列, 24個合物。
  18. This paper reviewed latest researches in internal donors in ziegler - natta propylene polymerization catalysts, as well as the features of different internal donors ( monoesters, diesters, diethers, diketones and diol esters )

    摘要對丙烯聚合齊格勒納塔催劑內給電子體研究進展進行綜述,同時分析單酯類、雙酯類、二類、二酮類和二醇酯類合物作為內給電子體催特性。
  19. Cyclic voltammetry ( cv ) in sulphuric acid solution and dimethyl ether solution is employed to characterize the catalytic activity of the electrocatalysts ; transmission electron microscopy ( tem ) and x - ray diffraction are employed to characterize the microstructure of the electrocatalysts ; the electrochemical characteristics of the direct dimethyl ether fuel cells ( ddfc ) made from the electrocatalysts are tested by arbin fuel cell test systems

    在h2so4溶液中採用循環伏安對催學行為進行評價;在飽和二甲溶液中採用循環伏安研究pt / c催劑對二甲性能;通過透射電子顯微鏡( tem )和x射線衍射儀( xrd )分析表面物理特徵;通過arbin燃料電池系統對催劑制備二甲燃料電池進行評價。
  20. This text carries through investment decision analysis about technology indraught of petrol etherification of liaohe petrifaction company. and combines company reality to draw up feasible and optimal petrol etherification technology project in some aspects which including technology, economic and social benefit

    本文採用定性與定量相結合方法對遼河石公司引進汽油技術進行科學投資決策分析,在結合公司實際基礎上,給出技術上,經濟上,社會效益上都可行也是最佳汽油技術方案。
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