生物催化劑 的英文怎麼說
中文拼音 [shēngwùcuīhuàjì]
生物催化劑
英文
bacterial vitamin- 生 : Ⅰ動詞1 (生育; 生殖) give birth to; bear 2 (出生) be born 3 (生長) grow 4 (生存; 活) live;...
- 物 : 名詞1 (東西) thing; matter; object 2 (指自己以外的人或與己相對的環境) other people; the outsi...
- 劑 : 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...
- 生物 : living things; living beings; organisms; bios (pl bioi bioses); biont; thing; life生物材料 biol...
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Asymmetric autocatalysis occurs when a chiral product operates as an asymmetric catalyst for its own production
摘要不對稱自催化是指由不對稱反應生成的手性產物自身作為催化劑的反應過程。Bacterial lipase is a kind of biocatalyst which is widely used in many industrial fields
摘要細菌脂肪酶是一類廣泛應用於工業領域的生物催化劑,具有重要的應用價值。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 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。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。Sachem is a global chemical company with over 50 years of experience in the supply of high - purity and precision chemical products and services to the electronics, catalyst, polymer, biotechnology, pharmaceuticals, paper and energy markets
主要經營范圍:電子產品,催化劑,聚合物,藥品生物技術和能源裝置市場提供高純度和精密化工產品及服務。Mechanical or physical failure of the catalyst is the cause of process shutdowns and catalyst changeouts more often than activity loss.
催化劑的機械性能或物理性能損壞是生產停車和催化劑更換的主要原因,往往比失活所造成的還要多。Thirty - one crystals of polyoxometalates ( 1d, 2d, 3d ) were prepared by means of middle hydrothermal technique, molecular design and self - assembly, and characterized structurally by single crystal x - ray diffraction. the thermal stability, activity of catalysis and magnetism of some compounds were systematically studied. the continuous appearance of p - v - o, p - mo - o, v - mo - o, v - o system with novel structure enrich polyoxometalate chemistry, the reaction characterization and the synthesis law of molybdates, tungstates and vanadates under hydrothermal conditions were explored
由於p - v - o 、 p - mo - o 、 v - mo - o 、 v - o體系新結構不斷出現,豐富了多金屬氧酸鹽化學,探討水熱條件下釩、鉬、鎢物種的反應特性和生成規律,研究原料的選擇、配比、加料順序、濃度、酸度、反應溫度、反應時間等因素對產物的生成及結構的影響,為新的催化劑、導電材料、磁性材料的研製與開發積累經驗。A series of 9 - arylpolyhydroacridine derivatives have been synthesized by reaction of arylmethylidenecyanoacetate with dimedone in hoac in the presence of ammonium acetate, and the structures were characterized by ir, and 1hnmr
摘要以芳亞甲基氰乙酸酯和達米酮為原料,以醋酸銨為催化劑在乙酸中反應,合成了一系列的9 -芳基多氫吖啶衍生物,並通過ir , 1hnmr證實其結構。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。The results showed that in scco2 cyclotrimerization of terminal acetylenes was carried out smoothly to regioselectively afford the corresponding benzene derivaties using pdbr2 as the catalyst
研究結果表明:二氧化碳介質中使用溴化鈀為催化劑可以順利地催化炔烴發生環三聚反應,區域選擇性生成含苯環芳香族化合物。The polymer - supported catalysts were used in different kinds of reaction, such as ion - exchange resins, polymer - supported phase transfer catalysts, polymer - supported acid catalysts, polymer - supported base catalysts, polymer - supported metal catalysts, polymer - supported biological catalyst and so on
介紹的聚合物固載催化劑有6類,包括離子交換樹脂催化劑、聚合物固載的相轉移催化劑、聚合物固載的酸催化劑、聚合物固載的堿催化劑、聚合物固載的金屬催化劑、聚合物固載的生物催化劑等。Pig liver esterase ( ple ) is one of the best bio - catalysts used in chiral industry, which is extracted from pig liver previously, and full of strong capability of hydrolyzing esterases
豬肝酯酶( pigliveresterase ,簡稱ple )是手性催化工業中最常用的三種生物催化劑之一。它是從豬肝中提取出來的一種羧酸酯水解酶( ec3Enzyme 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A substance, especially an enzyme, that initiates or modifies the rate of a chemical reaction in a living body ; a biochemical catalyst
生物催化劑能在活的體內產生化學反應或改變生物體內化學反應速度的物質,尤指酶;生物化學催化劑552333x52 the most optimized media is decided, that is glucose 26g / l, mgsoa 0. 3g / l, nacl 2. 8g / l, yeast extraction 8g / l, peptide 15g / l, kjhbpo4 0. 3g / l. study of correlation between culturing time and transformation rate reflects that 30 hours is needed
探討了不同活化時間對模型反應的影響,結果表明,將生物催化劑培養30小時,進行有機相中轉化可以得到最高的轉化率。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。Reviewing the usage of the biodegradation of refractory organic pollutants, including the biodegradation activities under co - substrates conditions, the application of anaerobic - aerobic treatment process, the usage of immobilized microbial cells technology, the appliance of membrane biological reactor and the usage of genetic engineering technology, the principles and advances of these technologies were discussed
摘要從共基質條件下的微生物降解處理、厭氧好氧發酵工藝、固定化生物催化劑技術、膜生物反應器以及基因工程技術等方面綜述處理難降解有機污染物的降解原理及研究進展。分享友人