chemical catalyst 中文意思是什麼

chemical catalyst 解釋
化學催化劑
  • chemical : adj 化學的，化學作用的；應用化學的，用化學方法獲得的。n 〈常 pl 〉化學製品；藥品。 fine chemicals...
  • catalyst : n. 【化學】觸媒，催化劑，接觸劑〈又作 catalytic agent〉；〈比喻〉觸發因素，〈口語〉（善用熱情、言語等打動他人的）有感染力的人。
  1. In this thesis, in order to reducing the amount of the pt catalyst, improving the electrocatalytic activity of the pt catalysts and utilization ratio of pt, the electrochemical codeposition method by cyclic voltammetry ( cv ) was used to prepare a series pt / moox / glassy carbon ( gc ) composite electrodes with high dispersibility. the composite electrode, pt / moox / gc, was characterized to study its composition and its electro chemical behavior by cv. using the xrd and sem techniques, the size and the dispersion degree of the catalyst particles were studied in presence or absence of moox in the catalyst

    為了降低主催化劑pt的用量、提高pt的活性和利用率，本論文利用循環伏安法共沉積制備高分散的pt moo _ x催化劑顆粒，利用循環伏安電化學表徵、 xrd和sem技術研究了引入moo _ x后的催化劑即pt moo _ x顆粒的粒子大小、分散狀態；利用icp - aes定量分析pt moo _ x催化劑顆粒的組成含量；並藉助于電化學方法分別評價了pt moo _ x gc電極催化劑的對甲醇的電催化活性和穩定性、氧還原電催化活性。
  2. Ceo22 is used as optical materials, polishing agents, ultraviolet absorption materials, the cleaning catalyst of car ' s waste gases, chemical decolorant of glass, radiation - resisting glass permanent magnet, electronic ceramics etc. if it is processed into nanoparticles, it will exhibit some novel properties led to varied applications. for example, ceo22 nanocrystal is a better promoter of cytochrome c and the stabilizer of zro22 ceramics. because of its high index of refraction and good stability, it is used to produce reduced reflection film

    Ceo _ 2是一種廉價而用途極廣的材料，如用於發光材料、拋光劑、紫外吸收材料、汽車尾氣凈化催化劑、玻璃的化學退色劑、耐輻射玻璃、永磁體、電子陶瓷等，其納米化后將出現一些新的性質及應用，如ceoz納米晶是細胞色素c的良好的催進劑，還用作zro :陶瓷的穩定劑，由於ceo :折射率高，穩定性好，常用於制備減反射膜等。
  3. Sachem is a global chemical company with over 50 years of experience in the supply of high - purity and precision chemical products and services to the electronics, catalyst, polymer, biotechnology, pharmaceuticals, paper and energy markets

    主要經營范圍：電子產品，催化劑，聚合物，藥品生物技術和能源裝置市場提供高純度和精密化工產品及服務。
  4. A super acylation catalyst, 4 - dimethylamino pyridine ( dmap ), was prepared and used to synthesize cholesteryl ester compounds. four kinds of cholesteryl ester compounds such as cholesteryl p - alkoxyl benzoate, cholesteryl dicarboxylate, cholesteryl lumequeic ester and coattail - like cholesteryl ester were synthesized by acylation method and super acylation catalyst method. chemical structures and liquid crystal behaviors of the synthesized samples have been characterized by using element analysis, ftir, dsc and polarized microscopy with a hot stage

    本文合成了高效酰化催化劑4 -二甲基氨基吡啶（ 4 - dimethylaminopyridine ， dmap ） ，採用酰氯化法和高效酰化催化劑法分別合成了對烷氧基苯甲酸膽甾醇酯、對稱脂族二羧酸膽甾醇酯、烯酸膽甾醇酯及燕尾型膽甾醇酯四類膽甾醇酯衍生物，並進行了化學結構和液晶性能的表徵。
  5. Honeycomb ceramic has high surface and lighter weight. it is good at the heat insulation, so it is suitable for various kinds of catalyst carriers. it is widely used for automotive emissions control, stationary emissions control, chemical processing and refining industries

    蜂窩陶瓷材料具有比表面積大、隔熱性較好及重量較輕的特點，因此它適用於各種用途的催化劑載體，現已被廣泛應用於汽車尾氣凈化、固定氣體排放的凈化、化學工藝、精練工業等方面。
  6. The most widely used techniques for the preparation of amorphous alloy catalyst are classified into rapid quenching method, chemical reduction method and impregnation - chemical reduction method

    通過驟冷法、化學還原法、浸漬還原法可以得到滿足不同催化反應需要的非晶態合金催化劑，並可以通過制備條件的變化調變催化劑的性能。
  7. Pingxiang chemshun ceramics co., ltd, a professional enterprise for chemical & petrochemical and ceramic industrial supply, wholly manufacture alumina grinding balls & lining bricks ; support materials of catalyst and varied chemical packings ; environmental ceramics & ceramic honeycomb etc, most of these are exported directly

    萍鄉市置順陶瓷有限公司是一家集工、貿為一體的工業陶瓷專業生產廠家，主要生產中、高鋁研磨瓷球、襯磚、各類化工填料、催化劑載體、蜂窩陶瓷等產品，產品一半以上直接或間接出口國外。
  8. Low temperature plasma has been extensively investigated for catalyst preparation, including plasma chemical synthesis of ultra - fine particle catalysts, plasma regeneration or plasma treatment of catalysts, plasma - assisted deposition of catalytically active compounds on carriers and combination of plasma and catalyst in reaction system

    摘要低溫等離子體技術在化學生產中的用途越來越廣泛，它在催化劑領域的應用主要表現在以下幾個方面：超細顆粒催化劑合成，催化劑再生，催化劑表面處理，活性組分沉澱到基體以及低溫等離子體系統中添加催化劑。
  9. A substance, especially an enzyme, that initiates or modifies the rate of a chemical reaction in a living body ; a biochemical catalyst

    生物催化劑能在活的體內產生化學反應或改變生物體內化學反應速度的物質，尤指酶；生物化學催化劑
  10. Nearly 65 specialists and experts from the domestic institutes, the studies, and the catalyst manufacturers carry on the full technical introduction and communication regarding to the research results about the application of the rare earth material in the petroleum chemical industry, the clean fuel, the vehicle catalyst, the catalytic combustion, the fuel cell, the sewage treatment and so on in the recent years

    會議通過了一系列議案，其中一項是成立中汽協會摩托車分會催化轉化器行業組，並召開了中汽協會摩托車分會催化轉化器行業組成立大會。會議由分會副秘書長葛維晶主持，共有24家催化轉化器相關單位的近40人參加。
  11. Uses : as the catalyst for petroleum cracking, and raw materials of re products, also widely used in chemical industry, metallurgical, light textile and agriculture industry etc

    用途：做石油裂化劑及各種希土鹽的原料，還廣泛用於化工，冶金輕紡，農業等領域。
  12. It is found that the catalyst inducement and density greatly affect the alignment of carbon nanotubes. ferrocene as the catalyst precursor, double - layered aligned carbon nanotubes were grown on silicon substrates using chemical vapor deposition ( cvd ) by decomposing acetylene twice

    對于鍍al 、鍍ni硅面，在二茂鐵分解形成的納米鐵顆粒與襯底上的al和ni顆粒分別形成的液相合金的作用下，碳原子團簇生成大量雜亂無序的碳納米管。
  13. Quantum chemical study on structures and properties of chiral thiazolidino 3, 4 - c oxazaborolidine catalyst

    噻唑烷並手性口惡唑硼烷催化劑結構和性質的量子化學研究
  14. The catalyst for ethylbenzene dehydrogenation with high mechanical strength was prepared by optimizing chemical composition and adjusting preparation condition

    實驗結果表明，通過優化催化劑的化學組成，改進催化劑的制備條件，完全可以開發出機械強度好的低鉀乙苯脫氫催化劑。
  15. Ethylene / octene copolymer sythesized by metallocene catalyst was a new kind of thermoplastic elastomer, which was molded as elastomer material by plastic common molding process such as injection, extrusion and blowing and also by rubber process such as chemical crosslinking by peroxide

    採用茂金屬催化劑合成的乙烯辛烯共聚物是一種新型熱塑性彈性體，可用注射、擠出、吹塑等常用加工方法成型，又可用過氧化物進行化學交聯，用橡膠加工方法製成彈性體材料。
  16. Regular arrays of gan nanorods have been synthesized by reacting gallium and ammonia using au as a catalyst on mgo single crystal substrate treated by chemical etching

    通過金屬鎵與氨氣反應，在經化學刻蝕后的mgo單晶基片表面，以金作催化劑制備出規則排列的gan納米棒陣列。
  17. Activated carbon, catalyst, chemical reagent, disinfectant, scrubbing solution

    活性碳、催化劑、化學反應試劑、消毒劑、洗滌劑
  18. Uses : agriculture chemical, fertilizer, fodder and pigment, catalyst, purifying pharmaceutical, disinfectant, magnetisable material raw materials, etc

    用途：農藥、肥料、飼料及顏料，催化劑、凈化劑、磁性材料原料等。
  19. The loading and running of primary reforming catalyst z111 - 4ya in the 0. 45mt / y ammonia plant of china national offshore oil corp chemical ltd ( cnoocc ) were analyzed according to the primary reformer process and design basis, and the operating and managing experiences of the catalyst were summarized

    摘要本文根據中國海洋石油化學有限公司45萬噸合成氨裝置一段爐工藝流程及設計基礎，對z111 - 4ya一段轉化催化劑裝填及催化劑運行進行了分析，總結催化劑運行管理經驗。
  20. Hebei kairui chemical co., ltd. the partner of china national petroleum corporation and the china petrochemical group corporation, also as the member of the china power, is one of the most powerful industries based on catalyst resins and ion exchange resins. we also develop chemical ultrahigh - molecule materials, including ion exchange resins with water stabilizers, molecule polyethylene alloy panel and tubing, silicate thermal insulation materials, crystal molecules

    我廠是中國mtbe催化劑專業生產廠家之一，我廠自主開發的d006mtbe催化劑，其技術性能優于其它同類產品，樹脂催化劑的生產裝置先進，生產能力大，產品質量穩定可靠，已成為國內mtbe生產裝置的主導催化劑，裝置生產能力國內最大，是中國石油化工集團總公司mtbe催化樹脂唯一一家入網企業。
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