used catalyst 中文意思是什麼

used catalyst 解釋
用過的催化劑
  • used : adj 1 習慣于〈作表語用〉。2 〈美國〉用過的,用舊了的,半舊的;精疲力盡的。vi 〈用法同助動詞,其後...
  • 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. For measuring abrasion of catalyst particles, three basic attrition test apparatus are used.

    為了測定催化劑顆粒的磨損,可使用三種基本磨損測試裝置。
  2. The oxygen reduction catalyst is the key material of air electrode used in the metal - air battery and the electrochemical oxygen generator

    氧還原催化劑是金屬空氣電池和電化學制氧空氣電極的核心材料。
  3. Abstract : two important factors, the loss of the catalyst components and the change of the catalyst particle diameter, which lead to the decay of the catalyst for amination of fatty alcohols, were studied. the dimension analytic method is applied successfully to determine the relations among the components loss, the particle diame - ter and the times of the catalyst used in repeated experiments

    文摘:對引起脂肪醇胺化用催化劑失活的重要因素? ?組分流失及粒徑變化進行了研究,運用因次分析方法將催化劑的重復使用次數、組分流失及粒徑等因素進行了關聯,並取得了成功。
  4. The net effect of the cno cycle is the same as the p - p chain. but carbon is used as a catalyst

    的方式進行,這循環所造成的結果和質子質子鏈沒有分別,都是把四顆氫原子核結合為一顆氦原子核碳的作用猶如催化劑。
  5. 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。
  6. 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。
  7. In the process of the synthetic experiment with the pearlizer, the researchers focus their efforts on the exploration of the following areas concerning the artificial pearliser : ( 1 ) the material ratio ( 2 ) the amount of the catalyst used ( 3 ) the effect of such technological conditions as temperature and time on the performance of the final product, and ( 4 ) the ester value, acid value, yield rate, and appearance

    在這次珠光劑的合成實驗中,我們主要從以下凡個方面進行了探索研究工作: ( 1 ) (探索了珠光劑合成的)原料配比. ( 2 ) (探索了珠光劑合成的)激活劑用量. ( 3 ) (探索了珠光劑合成中的)溫度、時間等合成工藝條件對產品性量的影響. ( 4 )探索了酯值,酸值、產率、外觀等。
  8. 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了用於塗料交聯劑的甲醚化三聚氰胺樹酯,考察了溫度、時間、催化利等因素對交聯劑中不同組分含量的影響。
  9. These years we have developed strongly acidic macroreticular catalysts based on styrene dvb. catalyst resin d006 for mtbe tame etbe, also as catalyst use for producing tba by isobutene hydration and direct producing gasoline with high octane rating by light gasoline etherification. d008 for sba ipa, also can be used for making methyl ethyl ketone by acetone one - stepping process, tert - butanol by isobutene hydration, etherified gasoline by the etherification of isopentene and isohexene in light gasoline with methyl alcohol, high

    以上,增強了催化活性,從而延長了使用壽命,提高了周期產量二低溫活性好,選擇性強,提高了mtbe的純度,降低了雜質含量三在同樣裝置中,可增大負荷,提高產量,降低生產成本和費用。
  10. Hartshorn ( nh4oh ) was used as a new catalyst instead of acetic acid in the saponification reaction of base zinc salt of dioctyl thiophosphate ( t203 )

    摘要選用氨水溶液代替醋酸作為新型催化劑用於硫磷雙辛基堿性鋅鹽( t203 )的皂化反應。
  11. 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

    研究了己二酸二正己酯的合成方法,介紹了己二酸二正己酯合成中的非酸催化劑的種類,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。
  12. Uses : used in ceramic pigments, paint dryer, catalyst, analytical agent, forge and lithopone additives, alkaline battery and tyre adhesive, also used in plating and producing cobaltiferous pigments and other cobalt products

    用途:用於陶瓷釉料和油漆催干劑,也用於電鍍、堿性電池、生產含鈷顏料和其他鈷產品,還用於催化劑、分析試劑、飼料添加劑、輪胎膠粘劑、立德粉添加劑等。
  13. The free - phosphine carbene ruthenium complex [ 1, 3 - bis ( 2, 6 - dimethylphenyl ) - 2 - tetrahydroimidazol [ ( c5h5n ) 2 ( cl ) 2ru = chph ( 8 ) was prepared by the reaction of [ 1, 3 - bis ( 2, 6 - dimethylphenyl ) - 2 - tetrahydroimidazol ] ( pph3 ) ( cl ) 2ru = chph ( 7 ) with pyridine and used as a highly effective catalyst for the cross metathesis of acrylonitrile with allylbenzene

    摘要設計了由1 , 3 -二( 2 , 6 -二甲基苯基) 2 -四氫咪唑基苯亞甲基三苯基膦二氯合釕( 7 )和吡啶反應生成無膦型金屬釕卡賓化合物1 , 3 -二( 2 , 6 -二甲苯基) 2 -四氫咪唑基苯亞甲基2 -吡啶基二氯合釕( 8 ) , 8作為高效催化劑用於丙烯腈和烯丙基苯的交叉交互置換反應。
  14. The perovskite - type metal oxides supports and the corresponding supported pd catalyst were prepared by microwave, and characterized by xrd, sem and used in the direct synthesis of diphenyl carbonate ( dpc )

    摘要利用微波法制備了鈣鈦礦型復合氧化物載體及把負載鈣鈦礦型催化劑,用xrd和sem對載體及催化劑進行了表徵,並將微波法制備的催化劑用於一步氧化羰基化合成碳酸二苯酯( dpc )實驗。
  15. This product is mainly used for preparing pure and high purity water, waste water treatment, and extraction of biochemicals and radioactive elements. it is also used in catalyst

    本產品主要用於純水,超純水的製作,廢水處理,生化製品的提取,也用於催化劑和提煉放射性元素等。
  16. The hydro - demetallization kinetic model and the expression of catalyst deactivation function were proposed on the base of appropriate hypothesis used in common kinetic research methods and the operation data from maoming ' s residue hydrodesulfurization treatment unit ( s - rht )

    摘要依據茂名渣油加氫工業裝置( s - rht )的大量實測數據,通過合理的模型假定,採用常規的動力學模型研究方法,建立了渣油加氫脫金屬動力學模型和催化劑失活函數表達式。
  17. While still not evidenced in our experiment, liquid - phase doping of ammonium molybdate solution has been broadly agreed to be able to significantly increase the yield of swnts. we have developed another doping method, solid - phase doping of metal molybdenum at elevated temperature, and discovered that sol - gel prepared catalyst with such doping can be used to grow multi - wall carbon nanotube bundles in a very large scale

    對催化劑進行摻鉬處理表明,它可顯著提高催化劑催化裂解甲烷合成納米碳管的能力:作者在高溫下進行了催化劑摻入金屬鉬的實驗,得到了一種性能優異的催化劑,以此制備的多壁納米碳管的呈束狀分佈,所得的粗產物與催化劑之間的重量比達15倍以上。
  18. 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。
  19. In recent two years, we have successfully made nearly 10 kinds of catalysts which can be used as substitute for imported ones, such as octenal hydrogenation catalyst, ethanol hydration catalyst, and so forth

    是我公司的傳統產品,近兩年來做為催化劑載體成功地製作了辛烯醛加氫觸媒催化劑,乙醇水合催化劑等近10種替代進口催化劑。
  20. ( 9 ) by studying matching between catalytic converter and exhaust gas system, the conclusions having been gotten as follow : " purifying step by step and driving step by step " and " mental substrate and chinaware substrate being used in same engine " being the laying principles in exhaust gas system, which can solve the contradiction between high converting efficiency of exhaust emission and small loss of power, fuel economics, the rapid light - off and laying difficulty of catalyst

    ( 9 )進行了催化轉化器與排氣系統的匹配研究,對于催化劑的布置,提出了「分級凈化,逐級推動」的原則;對于載體形式的選擇,提出了「金屬載體和陶瓷載體復合」使用的原則。這樣可以良好的解訣催化轉化器與發動機匹配時,排氣污染物高凈化率與動力性經濟性損失小之間的矛盾、快速起燃和結構布置困難的矛盾。
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