conversion catalyst 中文意思是什麼

conversion catalyst 解釋
轉化催化劑
  • conversion : n 1 變換,轉化,轉換;換算,換位。2 (意見、信仰等的)改變〈特指改信基督教〉;(車身,設備等的)...
  • 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. 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,分析了氧化催化轉化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化系統,該系統採用催化轉化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,藉助于催化劑和柴油添加劑使排氣中hc 、 co及高分子可溶性有機物氧化,產生的高溫使得收集到的微粒部分氧化,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化。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,通過正交試驗,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。
  2. Cyanopyridine, intermediate of rimifon, was synthesized from 4 - picoline using vanadium oxide as a catalyst in fixed - bed reactor, reached 99 % conversion of 4 - picoline, 88 % selectivity and 87. 12 % yield of 4 - cyanopyridine

    以4 -甲基吡啶為原料,在固定床反應器中通過含氧化釩的催化劑發生氣固相接觸氨氧化反應制備雷米封中間體4 -氰基吡啶, 4 -甲基吡啶的轉化率為99 % , 4 -氰基吡啶的選擇性為88 % ,收率為87 . 12 % 。
  3. Progress in research of resistance to carbon - de - posit on catalyst in methane conversion to synthetic gas

    甲烷制合成氣反應催化劑抗積炭性能的研究進展
  4. Conversion and selectivity of catalytic reactions as well as the deactivation rate of the catalyst itself is very temperature-sensitive.

    催化反應的轉化率和選擇性以及催化劑本身的失活速率均對溫度十分敏感。
  5. 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催化劑的乙酸與正丁醇的液相酯化反應進行了研究.考察了影響酯化反應的因素.結果表明:以負載型雜多藍為催化劑,酯化反應轉化率接近100 % ,收率可達98 . 9 % ,選擇性為98 . 9 % ,重復使用10次催化效果仍好.該催化劑還有反應條件溫和、反應時間短、對設備無腐蝕、無三廢排放等優點
  6. B ) the concept of ratio of conversion ; c ) effect of temperature and residence time on tar conversion ratio ; increasing the temperature and residence time is beneficial to tar cracking, and the effect is not evidence when t > 900c and > 1. 0s d ) effect of cracking temperature on the tar conversion ratio with sic ; e ) effect of different catalyst on the tar conversion ratio ; some catalyst was test in the experimental system and dolomite is a most promising one

    研究了生物質焦油含量隨熱解溫度和生物質原料的變化趨勢,提出了生物質焦油裂解率的概念、探討了不同條件(熱解溫度、停留時間)下熱裂解的效果和不同催化劑,不同反應條件下對焦油催化裂解效果的影響,催化劑在使用過程中由於積碳、中毒等原因會使得活性喪失,本文針對催化劑活性的喪失以及再生進行丁試驗研究和理論分析。
  7. The development of new catalyst is of significant importance for the conversion, however it is difficult to obtain high yield and high selectivity merely via the improvement of catalysts

    但要同時得到甲烷活化的各類反應高活性、高選擇性及高收率,單純改進催化劑是難于達到的。
  8. A novel catalyst has been explored, and was applied in the production of sulfuric acid by reasonable packing and operation with a total conversion 99. 7 %, which was comparable with the foreign product

    研製了新型催化劑,並通過合理裝填、操作用於硫酸生產,總轉化率達到99 . 7 %以上,使用效果不亞于國外產品。
  9. Reaction catalyzed by solid super acid to synthesize alkyl - polyglycoside is reported. the best reaction activity of solid super acid catalyst is discussed. the conversion of glucose arrived to 99 %

    報道了固體超強酸作催化劑合成烷基葡萄糖多苷的反應,並討論了固體超強酸的最佳反應活性,葡萄糖轉化率達99 % 。
  10. Investigations on a lean burn engine show that nox can be removed by using hc and co in the exhaust gas as reducing agents. when the catalyst is used, the rate of nox conversion can reach a maximum of 74. 4 % at 400

    稀燃發動機臺架實驗結果表明,催化劑抗硫中毒、抗高溫以及抗水蒸氣能力較強;最大nox轉化效率達74 . 4 % ;最大nox轉化率排氣溫度點在400附近。
  11. Abstract : highly substituted cationic starch was prepared by microwave radiation in dry process. in this preparation, starting materials mixed with high speed stirres, potassium hydroxide used as catalyst and discontinuous heated by microwave radiation at temperature 60 85 to give 0 35 0 50 degree of substitution cationic starch the conversion of cationic reagent reached 95 the product is soluble in water it is pasted when it meets water

    文摘:微波干法制取高取代度的陽離子澱粉,用高速攪拌機混合物料,氫氧化鉀做催化劑,間歇式微波介電加熱溫度不超過85 ,陽離子試劑的轉化率可達95 ,產品取代度0 35 0 50 ,常溫下遇水糊化,在水中有較好的溶解性。
  12. The shift conversion process is not only closely related tothe properties of the shift catalyst but also inseparable with the feedstock, gasification process, and downstream purification process used in the am - monia plant

    變換工藝不僅與變換催化劑的性能密切相關,而且與合成氨廠採用的制氣原料、制氣工藝、后續凈化工藝等密不可分。
  13. Loading patterns of catalyst in carrier are discussed. two loading patterns, which cost are lower and can largely improve conversion characteristics of catalytic conyerter during warm - up period, are put forward

    探討了催化劑在載體內部的擔載模式,提出了兩種成本較低,但可大幅度改善催化裝化裝置溫升過程中催化轉化性能的催化劑擔載模式。
  14. Experiments on temperature field and conversion efficiency of three way catalyst under different engine operation conditions

    發動機不同工況下三效催化器的溫度場和轉化效率試驗
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