有機催化劑 的英文怎麼說
中文拼音 [yǒujīcuīhuàjì]
有機催化劑
英文
organic catalyst-
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化劑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脫水劑和催化劑的選擇的理論依據進行了分析,得出鑄造用有機酯固化劑的最佳合成工藝裝置和脫水劑、催化劑。Nanometer tio2 has the following properties : safety, innocuity, low - cost and no secondary pollution, and it also has the functions of antibiosis and antisepsis. it is one of the photocatalyst of new pattern and the inorganic antisepsis with the most efficiency
納米或納米晶tio _ 2具有安全、無毒、成本低、無二次污染,且具有抗菌、消毒功能,它是迄今為止最有效的新型光催化劑和無機抗菌劑之一。The result of using eight kinds of different yeast strain as biocatalyst reveals that baker ' s yeast is the best biocatalyst in this transformation
比較了八種酵母的生物轉化能力,發現在有機合成生物轉化中應用最廣泛的生物催化劑baker ' s酵母最適合催化該模型反應; 3The lipase b from candida antarctica ( cal - b ) displays high enantioselectivity on a broad range of substrates, making it an accepted biocatalyst for asymmetric organic chemistry
摘要從南極假絲酵母中提取的脂肪酶b ,具有較高的對應異構體選擇性,廣泛應用在培養基中,作為不對稱有機化學的生物催化劑。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。The article analyze the concrete drying shrinkage mechanism, find the major factors of affecting the drying shrinkage, analyze the lack of shrinkage reducing agent, who be of low molecular weight and line chain, design a new shrinkage reducing agent ? ? shrinkage reducing agent of poly - acrylate. the shrinkage reducing agent of poly - acrylate is mainly composed of crylic acid 、 cinnamene 、 poly - glycol 、 solicitating agent 、 chain transferring agent and activator, which come by these processes of polymerization 、 esterifing and neutralization to form a pectinate polymer, which have a high molecular weight and many poly - oxidative alkenes
論文分析了混凝土乾燥收縮的機理,確定了影響乾燥收縮的關鍵因素,分析已有低分子量的、直鏈型減縮劑的不足,設計了一種新型的減縮劑? ?聚丙烯酸鹽類減縮劑,其主要由丙烯酸、苯乙烯、聚乙二醇、引發劑、鏈轉移劑、催化劑等經過聚合、酯化和中和反應,生成一種高分子量的、含聚氧化烯鏈的聚合物。New silicone flame retardant potting compound was prepared by blending of ltv silicone rubber as base gum with diluent, crystalline quartz filler, chain extension agent, crosslinking agent, inhibitor, carbon black and platinum catalyst
以中溫硫化硅橡膠(以下簡稱ltv硅橡膠)為基膠,混入稀釋劑、石英粉、鏈增長劑、交聯劑、阻聚劑、炭黑及鉑催化劑等組分,制得新型有機硅阻燃灌封料。Abstract : new silicone flame retardant potting compound was prepared by blending of ltv silicone rubber as base gum with diluent, crystalline quartz filler, chain extension agent, crosslinking agent, inhibitor, carbon black and platinum catalyst
文摘:以中溫硫化硅橡膠(以下簡稱ltv硅橡膠)為基膠,混入稀釋劑、石英粉、鏈增長劑、交聯劑、阻聚劑、炭黑及鉑催化劑等組分,制得新型有機硅阻燃灌封料。Crystal zirconium phosphate - phosphonate has the stability and regulity of interlayer floor of inorganic a - zirconium phosphate, they still have the designability of the organic group in the interlayer and adjustment of the ratio of organic and inorganic phosphorus acid, they are a kind of potential smart material, we can process molecule design and optimize filtration according to the requirement of goal reaction, we can prepare special ion - exchange, catalyst, catalyst supporters nonlinear optics compound, solid state proton conductivity and the intercalation complex precusor by introducing different active organic group or active center into the choice and stable framework of inorganic a - zirconium phosphate
有機?無機晶態混合磷酸鋯具有無機磷酸鋯的層板穩定性和規整性,同時具有層間有機基團的可設計性和有機無機磷酸混合配比的可調節性的特點,是一類很有潛力的靈巧材料,並且可以根據目標反應的要求進行分子設計和優化篩選,在無機磷酸鋯優良穩定的骨架上引入不同的活性基團或活性中心,可以制備出性能獨特的離子篩、催化劑、催化劑載體、非線性光學物質、固態質子導體和制備插層復合物的前驅物。By combining approaches, it is possible to improve lipase enantioselectivity, and much is learnt about the lipase enantioselective catalytic mechanism
這幾種方法的研究不僅使改善催化劑的對映體選擇性成為可能,還有助於深化酶對對映體選擇催化機理的認識。Fnj 3 concrete rapid hardening agent this is non - chloride rapid hardening agent, no corrosion to the reinforcing steel bar
含有催化劑和載體復合無機水基溶液,是一種無毒無腐蝕作用的新型防水劑。The silver doped sca hydrolyzed solution is prepared through hydrolysis method, vinyltrimethylsilane ( vtms ) is chosen as precursor, and ethanol is impregnant, and acetic acid is catalyzer, agno3 is the second component for inducting silver ion
以乙烯基三甲氧基硅烷為原料,乙醇為溶劑,乙酸為催化劑,硝酸銀引入銀離子配製摻銀有機硅烷水解溶液。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,結合正交實驗方法探索了幾個重要因素,如加水量、醇硅比、催化劑、添加劑等對成膜性的影響,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 。They were used as efficient lewis acid catalysts for esterification reactions of carboxylic acids with alcohols to afford corresponding saturated esters with 87 % ~ 98 % yields and unsaturated and tertiary ones with 90 % ~ 94 % and 54 % ~ 68 % yields, respectively
結果表明,該有機錫化合物是合成酯的優良催化劑,產品收率高,飽和一元羧酸酯的收率為87 % ~ 98 % ,對不飽和羧酸酯和空間位阻大的叔醇酯也能得到較滿意的收率,分別為90 % ~ 94 %和54 % ~ 68 % 。Application and progress of solid base catalysts in organicsynthesis
固體堿催化劑在有機合成中的應用及進展Organic sulphur hydrogenation catalyst
有機硫加氫催化劑Ht hydroconversion catalyst has a high activity in low temperature. high ability to saturate the olefin and canvert the organic sulfide into inorganic one in gas and liquid of hydrocarbon of the natural gas. oil and coked gas in synthetic ammonia, methanol gas and hydrogen making industries
Ht加氫轉化催化劑具有優異的加氫轉化和烯烴飽和活性,具低溫活性較好,可用於制氫、合成氨和甲醇等過程的加氫轉化反應器內,將烴類原料中的有機硫和烯烴進行加氫轉化和加氫飽和,以達到凈化原料的要求。Rubber compounding ingredients - test methods - part 2 : organic accelerators and vulcanizing agents
橡膠配合材料.試驗方法.第2部分:有機催化劑和硫化試劑Enzyme ( polypeptide ) : the enzyme is a kind of organic catalyst created by the body of aloe, which is a kind of special protein
酶(多肽) :酶是蘆薈植物體內所產生的一種有機催化劑,是一種特殊蛋白質。According to different structure types this paper reviews the progress of all kinds of organocatalyst in catalytic feature, mechanism and application to asymmetric synthesis
摘要根據不同結構類型綜述了近幾年來各種有機催化劑的特點、機理及其在不對稱合成中的應用研究進展。分享友人