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The substrate coupling reaction system catalyzed by recombinanted CAR wasconstructed. It can be used for asymmetric reduction of 2'-chloroacetophenone and coenzyme regeneration with 2-propanol or 2-butanol as the cosubstrate.

5应用重组CAR不对称催化还原2'-氯-苯乙酮,通过加入异丙醇或仲丁醇作为辅助底,建立了底耦联反应体系实现辅酶NADH原位再生的反应体系。

In my opinion, Cu complexes with unsaturated alcohol to form a complex compound; the nitrogenous compound introduced serves as the complex compound's stabilizing agent and reduces activation energy of reaction; TMPO serves as oxygen carrier and displays it's selective oxidation function. This new method and mechanism also demonstrates significance to other similar organic reactions.3 In the chlorohydrin reaction, NaCIO is replaced by Ca2see Chapter4.4.3.4(2 .A, this method hasn't been reported in previous literature,which exerts more buffer action to the react system, the yield increased from 52% to 88.6%; at the same time it solve the problem of poor stability and low percentage composition of NaCIO.

认为:CuD与烯醇形成络合:含氮有机的引入起到稳定络合,降低活化能的作用:而TMPO则充当携氧子起传递氧的作用,并具有选择氧化功能:这种新的方法和理论对类似的反应(不饱和醇类在络合体系下选择性催化氧化为对应的醛也具有重要的指导作用。3在异戊二烯的氯醇化反应中,用次氯酸钙代替次氯酸钠见第4章4.3.4(2.A,本方法未见文献报道,使反应系统更加温和,收率由52%提高到88.6%:并解决了次氯酸钠稳定性差、有效氯含量低的实际问题,具有重要的实用意义。

Blends of 75/25 chloroprene rubber/natural rubberfilled with various loadings of precipitated silica were prepared,and their mechanical properties as well as the resistances to thermal aging and oil were studied.

研究了不同用量的沉淀法白炭黑填充质量比75/25的氯丁橡胶/天然橡胶共混理机械性能、耐热老化性能和耐油性能,并用扫描电镜研究了共混的结构。

Sediment core samples were collected from the continental shelf of the Chukchi Sea in July 1999 and rare earth elements were measured by instrumental neurton activation analysis.

于 1 999年夏季我国首次北极科学考察期间在楚科奇海采集了三个沉积岩芯,并采用中子活化法测定了沉积样品中稀土元素的含量。

These have attracted wide interest in the last years because it represents a key intermediate of the synthesis of Cinchona alkaloids ; such as quinine and cinchonamine.

由於它们为许多重要且具有药效的金鸡钠生碱,如奎宁和金鸡钠胺,合成时之关键中间或先驱,使得在最近几年来引发广泛的研究兴趣。

The fluorescence anisotropy using steady-state fluorescence polarization method was measured for the solution of β-CD and cinchonine mixed and sonicated for 1h. The anisotropy values for the solution increased with the increase of the concentrations of β-CD, which implied the existence of some complexes of large size or nanotube structure. Many type of large size complexes formed between β-CD and Cin under high concentrations in gas phase were characterized by ESI-MS in moderate experiment conditions.

将辛可宁与环糊精的混合溶液超声1个小时后,用稳态荧光偏振方法测定溶液的各向异性值,发现随着环糊精浓度的增大,溶液的荧光各向异性不断增强,这意味着溶液中形成了大尺寸即纳米级结构的环糊精与辛可宁复合;用温和的质谱测定条件表征发现高浓度的β-CD与辛可宁在气相中可形成各种类型的大尺寸复合

The ternary complexes of Ln with 8-hydroxyquinathroline and cinchophen (2-phenyl-quinoline-4-carboxylic, HL) had been synthesized and their composition, solubility, molar conductance, UV, IR, 1HNMR and XPS studied.

合成了3种辛可芬(2-苯基喹啉-4-甲酸,HL)与8-羟基喹啉的稀土三元配合,通过元素分析,摩尔电导,UV,IR,1HNMR等的研究,确定配合的化学组成为Ln3·H2OLn=Ce(Ⅲ,Nd,Sm,观察了它们的抗炎作用、半数致死量(LD50)和在霜剂中的配伍稳定性

We postulated that cinnabar could be dissolved in various forms of mercury complexes containing sulphur.

推测朱砂在胃肠道中的溶出可能主要为汞的各种含硫配合

H. "Work" means the literary and/or artistic work offered under the terms of this License including without limitation any production in the literary, scientific and artistic domain, whatever may be the mode or form of its expression including digital form, such as a book, pamphlet and other writing; a lecture, address, sermon or other work of the same nature; a dramatic or dramatico-musical work; a choreographic work or entertainment in dumb show; a musical composition with or without words; a cinematographic work to which are assimilated works expressed by a process analogous to cinematography; a work of drawing, painting, architecture, sculpture, engraving or lithography; a photographic work to which are assimilated works expressed by a process analogous to photography; a work of applied art; an illustration, map, plan, sketch or three-dimensional work relative to geography, topography, architecture or science; a performance; a broadcast; a phonogram; a compilation of data to the extent it is protected as a copyrightable work; or a work performed by a variety or circus performer to the extent it is not otherwise considered a literary or artistic work.

h。 「本著作」指本授权条款下提供的文学及艺术著作,包含但不限於以任何方式或形式表达之文学、科学及艺术范围之制作,例如:书籍、小手册及其他撰著;演讲、演说、布道及其他类似同性质之著作;戏剧著作或歌剧著作;舞蹈著作或默剧;含歌词或不含歌词之音乐作曲;电影著作及其他藉由与电影摄影技术类似之程序表达之同类著作;素描、绘画、建筑、雕塑、雕刻或版画之著作;摄影著作及其他藉由与摄影技术类似之程序表达之同类著作;应用艺术著作;插图、地图、设计图、素描及地理、地形、建筑或科学相关立体著作;表演;广播;录音;和可受著作权保护的著作同样受保护的资料编辑;或种种表演人或马戏团表演人表演的不被视为文学或艺术著作的著作。

In order to reflect the toxicity of cadmium in the two different systems: overlying water system and watersediment coexistence system, the toxicological parameters such as metal body burden, MT and mortality in a freshwater cladoceran Daphnia magna after exposure were quantified.

选择大型溞作为受试生,以大型溞体内金属积累量、金属硫蛋白含量和死亡率作为测试指标,考察了上覆水体系与水柱-沉积共存体系中金属镉的毒性状况,探讨了水体沉积中重金属的生毒性作用机制。

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推荐网络例句

I am accused of being overreligious," she said in her quiet, frank manner,"but that does not prevent me thinking the children very cruel who obstinately commit such suicide.""

客人们在卡罗利娜·埃凯家里,举止就文雅一些,因为卡罗利娜的母亲治家很严厉。

Designed by French fashion house Herm è s, this elegant uniform was manufactured in our home, Hong Kong, and was the first without a hat.

由著名品牌 Herm è s 设计,这件高贵的制服是香港本土制造,是我们第一套不配帽子的制服。

Do not 'inflate' your achievements and/or qualifications or skills .

不要 '夸大' 你的业绩或成果,条件或者技能。