有機催化作用 的英文怎麼說
中文拼音 [yǒujīcuīhuàzuòyòng]
有機催化作用
英文
organic catalysis-
The 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。Study of " ph memory " and activity water ( aw ) in processing of immobilization indicates that former factor has much effect on transformation and the latter just has little effect. permeabilization treating of baker ' s cell with alcohol and ultrasonic leads to lower transformation rate, which illustrates that permeabilization procedure has negative role on biotransformation with whole cell as biocatalyst in organic solvent. in simple dynamics research amount of biocatalysu concentration of substrate and reaction course are considered and all of them have remarkable effect on transformation
Ph記憶、水活度及通透性處理的實驗結果表明， ph記憶對轉化有明顯的影響，水活度對模型反應的影響不大；作為完整細胞生物催化，細胞的通透性可能是傳質阻力的重要組成部分，利用不同濃度的乙醇和超聲波對細胞進行處理，結果表明，在有機相完整細胞生物催化中，通透性處理對轉化產生的是負面影響。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。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。Nano - alkali metal hydrides and lanthanide hydrides can be prepared easily by the direct hydrogenation catalyzed by ticl4 in tetrahydrofunan ( thf ) under normal pressure. lanthanide powder of nanometric size in a finely dispersed active form was generated by the thermal decomposition of organolanthanide in vacuum. 1
本文應用絡合催化法，在常溫常壓下，在萘/ ticl4催化體系作用下合成納米尺寸堿金屬氫化物（以nah為代表） 、納米尺寸鑭系金屬氫化物（以smh3為代表）和鑭系金屬有機化合物（以蒽鑭為代表） ，並通過真空熱解鑭系金屬有機化合物得到高分散度的納米尺寸鑭系金屬粉末（以la為代表） ，主要考察如下三個方面的內容。Poly - o - toluidine ( pot ) is selected as the electro - catalyst of 2, 5 - dimercaptan - 1, 3, 4 - thiadiazole ( dmct ) because the solubility of pot in organic solvents is much higher than that of pan. therefore, dmct can contact with pot at molecular level. it suggests that the oxidative reaction order is 2 and the reduced reaction order is 1 by testing its electrode kinetics
聚苯胺難以溶於有機溶劑，因此選用易溶於有機溶劑的聚苯胺衍生物聚鄰甲基苯胺（ pot ）作有機硫化合物2 ， 5 -二巰基- 1 ， 3 ， 4 -噻二唑（ dmct ）的電催化劑，兩者可以達到分子水平的復合。The main characters of the thermal fluid activity are recognized as follow : many types and stages of veins are widely developed ; vitrinite reflectivity of different areas varies apparently with the depth ; there was a high temperature field during the formation of the thermal fluid, meanwhile, the volcaniclastic rocks were modificated by the thermal fluid activity, for example, sericitization of plagioclase, chloritization of volcanic detritus in andesitic detris tuff ; in the tufaceous mud, the thermal fluid activity accelerates " maturating " of the organic carbon by heating ; and the trace elements show an anomaly in the wall rocks
同時，受熱流體活動的影響，熱流體對火山碎屑巖具有一定改造作用，如在安山質巖屑凝灰巖中，斜長石絹雲母化、火山巖巖屑綠泥石化明顯；在凝灰質泥巖中，熱流體對圍巖中有機碳具有明顯的「催熟」加熱作用，微量元素則出現異常現象。Correspondingly, xrd patterns revealed that carbon shells became graphitic somehow. the effects of organic solvents and catalysts / catalysts precursors on the structure and morphology of products were also investigated in this study. cyclohexane, instead of benzene, was proven to be a suitable solvent, as it would not pyrolyze in the reaction system
對金屬催化劑（或前體）以及有機溶劑與產物形貌關系的研究結果表明，苯作溶劑在反應條件下易裂解並形成積炭，從而阻礙了多孔碳產物的繼續生成，而選用環己烷可以避免類似的裂解反應。On the basis of catalyzing mechanism, it can raise the reaction efficiency of sodium sulfite and reduce the remains of sodium sulfite, and has evident catalyzing action by adding bivalent nickel ions and bivalent cobalt ions into the water under the condition of weak alkali
根據催化機理，在弱堿條件下加入二價鎳離子和二價鈷離子能提高水中亞硫酸鈉的反應效率，降低水中亞硫酸鈉的殘余量，對亞硫酸鈉的除氧效果具有明顯催化作用。The coating exhibits strong photocatalytic activity under ultraviolet irradiation. as a result, it can oxidize most organic and inorganic pollutants, and kill bacteria such as e. coli and vibrio cholerae in seconds. this leads to a very attractive and safe technology for water treatment
這層具催化效能的薄膜受到紫外線照射時，會產生強烈的氧化作用，可以氧化大部份有機及無機的污染物，並能瞬間殺死大腸桿菌、霍亂弧菌等細菌。From a viewpoint of organic synthesis chemistry, the recent development and applications of molecular iodine as a catalyst in organic reactions including the formation and cleavage of common protecting groups, oxidation, reduction, cyclization, addition, substitution and rearrangement are reviewed
從有機合成化學的角度，按反應類型綜述了分子碘作為催化劑在有機化學中的應用，碘催化的反應主要涉及保護基團的形成和裂解、氧化和還原反應、成環反應、加成反應、取代反應和重排反應等。The preparation of functionalized mesoporous molecular sieves were introduced, which are including the formation of the acid active sites, redox active sites and used the support for immsobilizing enzyme catalysts by heteroatomic substitution ; the formation of polymerization active sites, acid active sites or chiral catalysis sites by the organic - inorganic graft ( or hybridization ) ; as the carriers, the transition metals, transition metal oxides and acid catalysts are supported
摘要介紹了介孔分子篩經雜原子取代，引入酸功能、氧化還原功能；經有機無機嫁接（雜合） ，引入聚合催化功能、酸催化功能、手性催化功能；經修飾的介孔分子篩，用作固定化酶催化劑的載體；作為催化劑的載體，用於負載過渡金屬及其氧化物和制備負載化的固體酸催化劑。This research discovered that pressure and explosion of crisis is the internal motive power for receipt of christian faith by people at present stage, the demonstration and direction of social netwire is the medium element for receipt of and conversion to christian faith by people, " mysterious trail " or " particular response " have accelerating function for people ' s conversion to christian faith, through the transformation of the personality of believers, the doctrine and ritual gradually realize the internalization of their belief
研究發現，壓力或危機事件的觸發是現階段民眾接受基督教信仰的內在動力，社會網路的示範和導引是民眾接受和皈依基督教信仰的中介因素， 「神跡」或「特殊的感應」對民眾皈依基督教信仰具有催化作用，教義與禮儀通過對信仰者人格的轉換逐步實現其信仰的內在化。Abstract : the application of carbonyl cobalt as a catalyst for carbonylation in organic synthesis is reviewed with 63 references. the carbonylation of benzyl chloride to phenylacetic acid catalyzed by carbonyl cobalt is discussed in great detail
文摘:討論了羰基鈷在有機催化羰化反應中的研究及應用現狀；介紹了羰基鈷催化合成各種有機羰基化合物的方法，重點討論了氯芐催化羰化合成苯乙酸的研究進展；在此基礎上對羰基鈷在催化羰化反應領域的應用作了展望。The catalysts could be easily filtrated from the reaction mixture and reused
有機錫化合物作為催化劑用量少，並能回收再利用。Carboxylic acid was peroxidized in organic solvents catalyzed by lipase and glycidol was synthesized from allyl alcohol catalyzed by acid peroxide
摘要利用脂肪酶在有機介質中催化制備過氧酸，丙烯醇在過氧酸的作用下發生環氧化反應生成環氧丙醇。Enzyme any of numerous proteins or conjugated proteins produced by living organisms and functioning as biochemical catalysts
酶，由活的有機體產生的各種蛋白質或蛋白質結合體的一種，起生物催化劑的作用Abstract : in this review, we describe the characteristics of biocatalysts, especially their regioselectivity and stereoselectivity. a brief introduction of their application s in different kinds of reactions was also given with the purpose of encouraging their further use in organic synthesis
文摘:本文綜述了生物催化劑的類型及特徵，特別是它與化學催化劑相比具有顯著的特點：高效性和專一性；介紹了生物催化劑在不同有機反應中的應用，旨在鼓勵更多的化學工程者使用生物催化劑，使它們在未來的有機合成領域中發揮越來越大的作用。The combustion conditions in a circulating fluidized bed ( cfb ) boiler are much different from a pulverized coal firing ( pf ) boiler. however, this dissertation has confirmed that coal char in cfb boiler will also experience reactivity loss and ordering of turbostratic carbon structure, which have been reported by many researchers whose work were mainly restricted to pf conditions
本文通過獲得在cfb燃燒條件下熱解和燃燒過程中的焦碳，對其反應性、亂層碳結構、礦物質催化作用和比表面積等進行了系統研究，指出cfb鍋爐和煤粉爐同樣存在焦碳亂層碳結構有序化和焦碳反應性下降（失活）現象，並全面分析了焦碳失活的機理。( 1 ) carbon aerogel and xerogel were made from resorcinol - formaldehyde organic gels and used as the anode materials for lithium ion batteries. by discussing the influences of pyrolysis temperature, the level of the catalyst and the concentration of reactant in the preparation of carbon materials on their behavior of lithium ion storage, their performance of storing lithium ions and process of charge and discharge were studied in details. moreover, the relationship between the structure of carbon aerogel and xerogel and the performance of storing lithium ions was analysed, and the mechanism of the storage of lithium ions in this type of porous carbon materials based on organic gels was also dicussed simply
（ 1 ）從合成間苯二酚-甲醛有機凝膠出發，制備了碳干凝膠和氣凝膠，研究了其作為鋰離子電池碳陽極材料的儲鋰性能，探討了碳材料制備過程中的熱分解溫度、催化劑用量、反應物含量等條件對碳干凝膠和氣凝膠儲鋰行為的影響，並分析了碳材料結構與儲鋰性能的關系以及充放電過程，也簡單探討了鋰離子在這類基於有機凝膠的多孔碳材料中的存儲機制。分享友人