Silazanes were divided into chain-silazane, cyclo-silazane and poly-silazane according to the material variety and synthesis method.

AC excited generator ( ACEG ) and cyclo converter are principal harmonic sources in ACEG systems.

交流励磁 电机和交交变频器是交流励磁电机系统中最主要的两个谐波源.

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Finally , cyclo (-Ab 7-Aib-Phe ( 2-Me )-D-Pro-) is successfully prepared by using liquid phase peptide synthesis with Boc protection.

Boc -Ab7-Aib-Phe( 2-Me)-D-Pro-OBzl脱除两端保护得到线性肽链经过环化得到目标产物cyclo ( -Ab7-Aib-Phe ( 2-Me ) -D-Pro- ),收率0.8%.

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The synthesis of cyclo (-Ab 7-Aib-Phe-D-Pro-) which uses solid phase peptide synthesis with N-Fmoc protection is faild.

本论文尝试用固相法氨基酸N端Fmoc保护策略合成cyclo ( -Ab7-Aib-Phe-D-Pro- ).但是最终产物经ESI-MS分析不是目标产物,故改用液相法合成目标化合物.

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The cycloaddition itself is the slow step.

环化作用本身是慢的一步.

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Asymmetric 1, 3-dipolar cycloaddition can be strongly catalyzed by chiral oxazaborolidines.

手性唑硼烷酮能够催化不对称1, 3偶极加成反应并取得很好的效果.

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This article details the cyclohexanone production process by liquid cyclohexane oxidation and its improvement.

介绍了环己烷液相氧化法生产环己酮的工艺以及其改进情况.

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The dispersion of inorganic agent in polypropylene was simulated by using cyclohexane as a dispersion medium.

采用环己烷作为分散介质来模拟无机抗菌剂在聚丙烯中的分散性.

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Research progress on several new processes of cyclohexanone production by cyclohexane catalyzed oxidation is also introduced.

同时,还介绍了几种环己烷催化氧化制环己酮的新工艺研究进展.

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A set of coupling reactor and distillation column to synthesize cyclohexane was put forward.

改进了固定床和反应精馏合成环己烷的方法,提出了反应器与精馏塔外耦合的新方法.

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A physical and distillation method was applied to the separation of an isopropanol-cyclohexane andisopropanol liquids.

研究了大学物理化学实验中产生的异丙醇 - 环己烷废液的回收利用方法.

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Methods : Vitamin A extracted from ChengzhiYuyou by using cyclohexane was determined by using the derivative spectrophotometry.

用环已烷萃取橙汁鱼油中的维生素A后,用一阶导数分光光度法测定其含量.

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Using phenylamine and acetic acid as raw materials, cyclohexane and toluene-p-acid as dehydration and catalyst respectively.

以苯胺和冰醋酸为原料, 环己烷为脱水剂,对 甲苯 磺酸为催化剂,采用正交实验法,探讨了乙酰苯胺合成的适宜工艺条件.

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Organic chemists accepted the theory of the average planar cyclohexane ring.

有机化学家接受了平均平面环己烷的理论.

词典精选例句

Such research is absolutely necessary because FA cycloid drive is offen applied in high precision transmission.

由于FA减速器常用于高精传动中,因此,该方面的研究是非常重要的.

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Pinhole machining of pin gear housing is one of important procedures in manufacturing cycloid speed reducer.

针齿壳销孔的加工是摆线针轮减速器制造的重要步骤之一.

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The pressure angle formulas of inside and outside profiles of the cycloid grooves are respectively deduced.

推出内、外摆线槽实际齿廓的压力角计算公式.

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The cycloid-shaped gears are used widely in mini-gearing, which reduces gearing and increases its transmission ratio.

摆线轮能够减小传动器尺寸,提高传动比,在小型传动机械中得到广泛的应用.

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The construction principle and driving principle of cycloid steel ball planetary transmission are analyzed.

研究了端面啮合摆线钢球行星传动的组成结构和传动原理,计算了该传动的传动比.

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Our use of advanced dual-cycloid the seven countries of the patented technology and design.

本厂采用先进的双摆线七国专利技术而设计的.

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The cycloid has an isochronal pendulum.

摆线具有严格的等时摆.

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