正催化劑 的英文怎麼說

中文拼音 [zhēngcuīhuà]
正催化劑 英文
positive catalyst
  • : 正名詞(正月) the first month of the lunar year; the first moon
  • : 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...
  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、丁醇和環氧氯丙烷為原料,在相轉移的作用下反應,通過交實驗合成了的高環氧值、低粘度的混合醇縮水甘油醚。
  2. The research status of the world diesel exhaust aftertreatment technology is summarized systemicallyo at the same time, the development status and problems about oxygenation catalysis converter and particulate filter are analyzed on the basis of mentioned informations, we bring up a diesel exhaust cleanse system, that adopts the technique course of catalysis conversion combining particulate collection and regeneration the system collects exhaust particulate by means of efficacious filtering material it can oxidize ho co and macromolecule solvable organic via catalyst and diesel oil additive enhanced temperature will partly oxidize collected particulate and ultimately achieve the aim of exhaust reduction, after processing system frame design and trial matching, it ' s detected that the system can surely cleanse gas exhaust and particulate in addition, gas - ejected combustion - supporting regeneration for diesel particulate filter is also researched, we have rudimentarily designed the software and hardware of the g as - ejected combustion - supporting system having processed a series of trials, we discover the rules of the system credibly working these rules demonstrate the right direction for researching gas - ejected combustion - supporting regeneration technology

    本文系統地介紹了國內外柴油機排氣后處理技術的研究現狀,分析了氧器和微粒捕集器的發展現狀及存在的問題,以此為基礎,提出了一種柴油機排氣凈系統,該系統採用與微粒捕集及再生相結合的技術路線,通過過濾材料的有效過濾,將排氣中的微粒進行收集,藉助于和柴油添加使排氣中hc 、 co及高分子可溶性有機物氧,產生的高溫使得收集到的微粒部分氧,從而達到降低排放的效果。通過系統結構設計和試驗匹配,實現了對氣體排放物和微粒的凈。同時,論文中還進行了柴油機微粒捕集器噴氣助燃再生的研究,初步設計了噴氣助燃系統,進行了控制系統軟、硬體的開發,通過交試驗,摸索出了噴氣助燃系統可靠工作的一般規律,為噴氣助燃再生技術的開發提供了方向。
  3. Thisarticle studies the synthetic process of di - n - hexyl adipate. it discusses the kinds ofnon - acidic catalyst used in the process. it points out the characteristic and the keytechnology of the synthesis, and the application of the product in pvb resin

    研究了己二酸二己酯的合成方法,介紹了己二酸二己酯合成中的非酸的種類,討論了工藝特點、工藝關鍵以及產品與pvb樹脂配套應用檢驗結果。
  4. Through orthogonal design experiments on synthesizing p - tert - butylcstechol from hydroquinone and isobutylene by using a new catalyst prepared from cobalt naphthenate and zinc chloride, the optimum technology parameters were obtained : mole ratio was 1 : 1. 15 for hydroquinone and isobutylene, mass ratio was 100 : 20 for hydroquinone and catalyst, and the reaction temperature was 100 5

    摘要用環烷酸鈷與氯鋅復配的新型,以鄰苯二酚、異丁烯為原料合成對叔丁基鄰苯二酚,通過交實驗確定的較佳工藝參數為:鄰苯二酚:異丁烯(物質的量比) 1 : 1 . 15 ,鄰苯二酚:(質量比) 100 : 20 ,烷基反應溫度100 5 。
  5. Acid modification for n - pentane isomerization catalyst at low temperature

    戊烷異構低溫酸性改性
  6. Study on the supported solid catalysts in synthesis of n - butyl acrylate

    丙烯酸丁酯合成反應的負載型固體的研究
  7. 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的乙酸與丁醇的液相酯反應進行了研究.考察了影響酯反應的因素.結果表明:以負載型雜多藍為,酯反應轉率接近100 % ,收率可達98 . 9 % ,選擇性為98 . 9 % ,重復使用10次效果仍好.該還有反應條件溫和、反應時間短、對設備無腐蝕、無三廢排放等優點
  8. This thesis consists of four chapters : ( 1 ) a review ; ( 2 ) study on the optical chemical membrane for detection of lead ion by using 2 - hydroxy - 1 - naphthaldehydene - 8 - aminoquinoline as fluorescence indicator ; ( 3 ) study on the optical chemical membrane for detection of lead ion by using meso - ( 4 - methyloxyphenyl ) porphyrin as fluorescence indicator ; ( 4 ) study on the optical chemical membrane for detection of lead ion by using 2 - methene - benzimidazole monoaza - 18 - crown - 6 as fluorescence indicator. in chapter one, the laboratory method for determination of lead ion, the progresses of chemical sensor for detection of lead ion recently and the introduction of the basic theory, relative merits of sol - gel and its application in optical chemical sensor were involved

    第二章利用有機改性的溶膠-凝膠包埋方式,以2 -羥基- 1 -萘甲醛- 8 -氨基喹啉為熒光指示探針,結合交實驗方法探索了幾個重要因素,如加水量、醇硅比、、添加等對成膜性的影響,制備了對水中鉛離子有較好響應的傳感膜,其線性范圍為1 . 0 10 - 7 ~ 5 . 0 10 - 5mol / l ,檢測限為3 . 6 10 - 8mol / l 。
  9. The silver doped tio2 or sio2 sols are prepared through sol - gel method, ti ( oc4h9 ) 4 and si ( oc2hs ) 4 are chosen as precursors respectively, and hnos is catalyzer, agno3 is the second component for inducting silver ion

    實驗分別以鈦酸丁酯和硅酸乙酯為先驅,硝酸為,硝酸銀引入銀離子,以溶膠?凝膠法配製摻銀tio _ 2 、 sio _ 2溶膠。
  10. Abstract : establishment of the macro dynamic mathematical models for coked zeolite catalyst coke burning regeneration was discussed from an engineering point of view. based on the modified particle - pellet model, dynamic mathematical equations for porous and nonporous catalyst coke burning regeneration were deduced, supplying a theoretical basis for computer simulation of coked zeolite catalyst regeneration

    文摘:從反應工程學的角度討論了結焦沸石燒焦再生反應宏觀動力學數學模型的建立,根據已提出的修的顆粒-粒子動態等溫物理模型,分別推導出了多孔焦炭的燃燒再生階段數學方程和無孔焦炭的燃燒再生階段數學方程,為結焦沸石再生反應過程計算機模擬提供了理論依據。
  11. Accelerated development of information and communication ' s technologies, the cord katalyst for information revolution is having an increase impact on virtually all aspects of academic activity and social structures

    作為信息革命核心的信息技術和通信技術,其加速發展在對經濟活動和社會結構的幾乎所有方面產生越來越大的影響。
  12. It is thus a catalyst that provides the buyer and the seller with mutual protection in dealing with each other

    因此,是這種,它在購貨方和銷貨方的交易過程中對雙方都提供相互的保護作用。
  13. In the experiments, two series of catalysts were synthesized by co - deposition and sol - gel methods each. the composition of both waterproof and gas diffusion layer and catalysis layer were optimized by the orthogonal test. meanwhile, quasi - steady cathode polarization curves, x - ray diffraction ( xrd ), scanning electronic microscope ( sem ) were used to analyst the relationship between the microstructure and the performance of air electrode

    實驗採用共沉澱法和溶膠凝膠法合成了兩類;對防水透氣層和層進行了交試驗優;同時,還採用測準穩態極曲線, x射線衍射( xrd ) 、掃描電子顯微鏡( sem )等分析測試手段,對空氣擴散電極材料、空氣擴散電極界面結構與性能的關系等作了較深入的研究。
  14. When a problem is encountered during migration and well - defined, robust testing practices are not in place, it is often difficult to know if the migration is a catalyst that exposed a pre - existing problem, or if the migration is the actual source of the problem

    如果在遷移期間遇到問題,並且沒有良好定義的可靠測試方法,通常很難知道遷移是否是一種暴露先前存在的問題的,或者遷移是否是問題的真根源。
  15. Using catalysts to purify automotive exhaust gas has more and more been regarded by human society. it is generally accepted that the most important factor in the catalyst is the oxygen storage materials, which have a direct relation to the puring performance

    採用技術來治理汽車排放污染越來越受到人們的廣泛關注,而其中儲氧材料性能的優劣直接關繫到汽車尾氣凈的凈效果。
  16. The vessel was off - hire for one day while repairs were carried out. the master at this time received the laboratory analysis of the bunker samples, which indicated sediment and catalytic contamination were abnormally contaminated

    此時船長收到實驗室有關燃油樣品的分析結果,即含有不常的沉澱物和污染物。
  17. We looked at the results, and there it was : every time horwitz squirted dark dye into a solution containing the taml catalyst and hydrogen peroxide, the solution quickly turned colorless

    大家緊盯著實驗結果,而結果也如預期:溶液內含有taml和過氧氫,每回霍威茲把暗色染料注射進去,溶液很快又變回無色。
  18. Translucent sio2 sols are prepared from teos using nh3 ? h2o as catalyzer, polyelectrolyte / sio2 composite films are fabricated via electrostatic self - assembly multilayer method, and sio2 thin films are formed by heat - treating the polyelectrolyte / sio2 composite films to eliminate the polyelectrolyte and other components in composite films

    摘要以氨水為,通過水解矽酸乙酯制備了乳白色二氧矽溶膠,採用靜電自組裝薄膜技術制備了聚電解質二氧矽復合薄膜,並通過熱處理制備了二氧矽薄膜。
  19. The marketing of jingtai company centered on service is based on the following four aspects : the first is the characteristics of marketing in domestic market, namely, products are exclusively used, with few users and huge purchasing power, the demands have more derivation and less flexibility, the purchasers are highly specialized and professionalized, the buyers and sellers can keep business relationship in long term, and the final sale is implemented ; the second is the reform of marketing mission in chinese catalytic cracking catalyzer market, namely, since the primary entering into the market in early 90s, the marketing mission of enterprises experienced the production mission and promotion mission in succession unconsciously

    而且還闡述了國內用戶對服務產生需求的現狀及原因。本文的重點是對京泰公司以「量體裁衣」服務為主的營銷對策確定的論述,根據對京泰公司的遠、近、中期主要市場用戶的需求分析,找到了客戶的真需求,並結合京泰公司新產品的特點,回答了京泰公司以「量體裁衣」服務為主的營銷對策確定的原因。解釋了「量體裁衣」的內涵,並通過京泰公司的三個成功的案例,說明了此戰略選擇的確性。
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