脫水催化劑 的英文怎麼說

中文拼音 [tuōshuǐcuīhuà]
脫水催化劑 英文
dehydrating catalyst
  • : Ⅰ動詞1 (脫落) cast; shed; drop; fall off 2 (取下; 除去) take off; strip; cast off 3 (脫離) ...
  • : 名詞1 (由兩個氫原子和一個氧原子結合而成的液體) water 2 (河流) river 3 (指江、河、湖、海、洋...
  • : Ⅰ名詞1 (藥劑; 制劑) a pharmaceutical or other chemical preparation 2 (某些有化學作用的物品) a...
  • 脫水 : 1 [醫學] (人體液體減少) deprivation of body fluids; dehydration2 [化學] (物質失水分) dehydrat...
  1. The operation principle and device to produce acetin and hydroxyethyl acetate for foundry firming agent were analyzed in the paper, and the choice of esterification catalyst and dehydrated agent in the esterifying process also were analyzed theoretically, and finally, the better producing operation device, catalyst and dehydrated agent were obtained

    摘要分析了鑄造用有機酯固酯酸甘油酯和乙二醇醋酸酯合成工藝原理及裝置,同時對有機酯合成工藝條件中的選擇的理論依據進行了分析,得出鑄造用有機酯固的最佳合成工藝裝置和
  2. The main work and the conclusion of the article are : ( 1 ) give a suggestion on the reaction mechanism and the principle of catalyst selection. ( 2 ) by comparison of the catalyst activity of solid superacid with the zinc oxide, stannous chlorde and tin ( ii ) octate in the synthesis reaction. we find that although its activity is lower than tin ( ii ) octate, obviously higher than that of traditional zinc oxide and stannous chlorde. from the point of preparation cost, we select solid superacid as catalyst

    但從的制備成本和工藝的角度選擇,固體超強酸具有明顯的優勢; ( 3 )制備一系列單組元和雙組元硫酸促進氧物固體超強酸,並用於丙交酯的合成反應,篩選具有最佳活性的固體超強酸: ( 4 )使用so2 - 4 / zno - sno2 ( 2 : 1 ) la3 +固體超強酸作,反應時間1
  3. With phosphato - tungstic acid as catalyst and phosphoric acid as dehydrant, n - phenylmaleimide was prepared from aniline and maleic anhydride by two - step method. the yield was 88. 7 % and the purity was 98. 2 %

    以順酐和苯胺為原料,磷鎢酸作,磷酸作,採用兩步法制得n -苯基馬來酰亞胺,得到最佳反應工藝條件,產品收率為88 . 7 % ,純度為98 . 2 % (質量分數) 。
  4. This paper introduces the aging mechanisms of bio - oil and various methods to improve the stability of bio - oil, including drying, deashing, hot - gas filtration, vapor - phase catalytic pyrolysis, adding solvent and mild hydrogenation, etc

    介紹了導致生物油不穩定的機理和各種提高生物油穩定性的方法,如原料乾燥、酸()洗灰、氣體高溫過濾、氣相裂解、添加溶和生物油適度加氫等。
  5. Research amp; amp; application of dh - msq sewage clarifier

    3型在半煤氣硫中的應用
  6. This product is mainly used for softening hard water and preparing pure and high purity water. it also serves as catalyst and dehydrolyzing agent. in addition, it is used in separation and purification of trace elements as well as hydro - metallurgy and pharmaceutical industry

    本產品主要用於硬及純和高純的製作,也用於,以及濕法冶金,分難提純稀有元素,制藥工業等。
  7. This paper describes several latest industrial microbial technologies in detail, which are the synthesis of the chiral diols by epoxide hydrolase from microbie, cofactors regeneration for redox with fdh, production of nano / micro wire by the phage display, metabolic network rebuilding for conventional fermentation and the application of the organic solvent tolerance and the metagenomics technology

    本文綜述了幾項最新的工業微生物技術,主要包括:微生物環氧解酶合成手性二醇、微生物甲酸氫酶用於再生氧還原反應的輔因子、通過噬菌體展示技術得到納米級金屬絲、代謝網路改造和重建用於傳統發酵生產以及有機溶耐受菌和宏基因組技術的應用。
  8. The ratio of isopropyl alcohol and pure water and temperature in the process of freezing are considerated in the research of the preparation of the pt / c electrocatalysts with freeze - drying method. the result shows, when we use 300ml pure water to wash the carbon ( 40mg ) in isopropyl alcohol ( 20ml ) to alter the ratio of isopropyl alcohol and pure water, we get the electrocatalysts with high catalytic activity ; the use of the liquid nitrogen ( - 196 ) to freeze the suspension ( carbon and precursor solution ) can make the pt / c electrocatalysts in high dispersion

    採用300ml純對20ml異丙醇中的40mg碳載體進行洗滌抽濾,來改變預凍液中的醇比例,通過冷凍乾燥制備pt / c的性能較好;採用液氮對預凍液進行冷凍(預凍溫度為- 196 )制備的pt / c性能較好;冷凍乾燥法可以有效地避免加熱乾燥過程中前軀體離子在碳載體表面的附和團聚,進而制備載量大、分散性好、粒徑較小的pt / c
  9. Catalytic dehydration of n - hydroxylethyl pyrrolidone on reox and mox doped nnanozro2 catalysts

    2羥乙基吡咯烷酮反應研究
  10. Study on catalyst and process conditions of 1, 4 - butanediol dehydration for producing tetrahydrofuran - gas phase method

    丁二醇氣相制四氫呋喃和工藝的研究
  11. Again by means of gravity precipitation, water scrubbing and stratification, water, methanol and catalyst will be separated out to make the refined biological diesel

    再經過重力沉澱、洗與分層,最後將份、甲醇、出獲得精製生物柴油。
  12. Abstract : by comparing the dehydration methods of three catalytic by comparing the dehydration methods of three catalytic esterification reactions and the catalysts used under negative by comparing the dehydration methods of three catalytic esterification reactions and the catalysts used under negative pressure, the better method of synthesizing 2 - ethylhexyl chloroacetate is using stannous oxide as catalyst under negative chloroacetate is using stannous oxide as catalyst under negative pressure

    文摘:通過對三種反應的方法及負壓下使用不同的比較和通過對三種反應的方法及負壓下使用不同的比較和選擇,提出了以氧亞錫為負壓合成氯乙酸2 -乙基己酯的方法。
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