Beckmann
英
美 [ˈbɛkmən]
n. 贝克曼
双语例句
- David Beckmann became president of Bread for the World in1991.
大卫·贝克曼1991年就任“赈济饥民会”的总裁。 - This paper reports a new process of synthesizing paracetamol from phenol by acetylization, oximation and Beckmann rearrangement.
报道了由苯酚经过乙酰化、肟化、重排反应合成扑热息痛的一种新方法。 - A Tandem Reformatsky-Cyclization Reaction to Synthesize Substituted Tetrahydrofurans; Study on Beckmann Fragmentation of Chiral Multi-ring Compounds
Reformatsky-环化反应合成取代四氢呋喃手性多环化合物的Beckmann裂解反应研究 - Dawson drew up her list after a poll for laundry experts Beckmann found almost three quarters of women now opt for "nude" underwear-which means they have "nothing to hide".
道森结论以服饰专家贝克汉姆博士的一份调查报告为基础，该调查报告显现，将近有四分之三的女性选择裸色内衣&也就意味着她们“没有太多要遮掩的秘密”。 - The winners are David Beckmann of Bread for the World and Jo Luck of Heifer International.
获奖者是施世面包组织总裁戴维·贝克曼和海菲国际公司的乔·勒克。 - Study on Catalytic System for Beckmann Rearrangement in Green Medium
绿色介质中Beckmann重排反应催化体系的研究 - Study on Beckmann Fragmentation of Chiral Multi-ring Compounds
手性多环化合物的Beckmann裂解反应研究 - The political scientist James C. Scott, who unearthed the example of Beckmann, points out that forest planners tried to conform to Beckmann's theories, spacing with architectural precision trees of the same breed and age.
发掘出贝克曼事例的政治科学家詹姆斯C斯科特（JamesC.Scott）指出，森林规划者试图遵循贝克曼的理论，把相同品种和年龄的树木按建筑的精度隔开。 - Catalytic Beckmann Rearrangement of Cyclohexanone Oxime into ε-Caprolactam in Ionic Liquids
离子液体系中催化环己酮肟重排制己内酰胺 - Study on the by-products of cyclohexanone oxime vapor phase Beckmann rearrangement over rbs-1 catalyst
在RBS-1催化剂上环己酮肟气相Beckmann重排反应副产物的研究 - Expounds comprehensively on research and development of cyclohexanone-oxime gas phase Beckmann rearrangement reaction process and catalyst.
对环己酮肟气相贝克曼重排反应工艺和催化剂的研究进展进行了综述。 - Application of High Performance Liquid Chromatography to the Beckmann Rearrangement of Erythromycin A Oxime
高效液相色谱法在红霉素A肟贝克曼重排反应中的应用 - Diazo coupling reaction spectrophotography has been developed for the determination of cyclohexanone oxime in Beckmann rearrangement mixture sample.
建立了环己酮肟重排反应混合物中游离肟含量的测定方法。 - Then, Beckmann rearrangement of cyclohexanone oxime has been studied in catalytic medium composed of ionic liquids and catalysts.
其次，在离子液体和催化剂组成的反应体系中进行了环己酮肟的Beckmann重排反应研究。 - Synthesis of Erythromycin A ( E)-oxime and Corresponding Beckmann Rearrangement
红霉素A（E）肟的合成及其贝克曼重排反应 - The regulating method of Beckmann thermometer and the teaching of experimentation
贝克曼温度计调节方法与教学 - Method of determination of cyclohexanone oxime concentration in esters gained in liquid phase Beckmann rearrangement is set up in the paper, which is a basis of the above reaction kinetics.
本文建立了己内酰胺液相重排反应转位酯中环己酮肟含量的测定方法，为环己酮肟液相重排反应动力学的研究奠定了基础。 - Beckmann rearrangement and Fries rearrangement were studied in solvent-free conditions under microwave dielectric heating.
介绍了微波作用下的固相有机合成反应的优越性，并进行了一定的研究探讨&Beckmann重排和Fries重排反应的无溶剂合成。 - Research Development of Cyclohexanone-Oxime Gas Phase Beckmann Rearrangement
环己酮肟气相贝克曼重排反应的研究进展 - Analysis and optimization of Beckmann rearrangement process for caprolactam production
己内酰胺生产中贝克曼重排工序工艺分析及优化 - Determination of trace cyclohexanone oxime in Beckmann rearrangement product by spectrophotometry
分光光度法测贝克曼重排产物中的微量环己酮肟 - Vapor phase Beckmann rearrangement of cyclohexanone oxime over RBS-1 catalyst
环己酮肟在RBS-1催化剂上的气相Beckmann重排反应 - Beckmann and it is also used to calculate the backscattering cross sections.
通过对两种分布表面的后向散射截面计算，得到了与解析法类似的结果。 - Studies on Process of Beckmann Rearrangement of Cyclohexanone Oxime to Caprolactam
环已酮肟转位反应技术研究 - The theoretical model that suit for this design is based on the derivation of the laser scattering theoretical model that is brought up by Beckmann. Secondly, the software and hardware for this system is designed.
并根据Beckmann等人的光散射理论模型，进行了理论的推导，得出了适合于本文的光散射理论模型。其次，对系统的硬件、软件进行了设计。 - It is revealed that acidity and pore confinement effect are two main factors that affect the Beckmann rearrangement reaction.
研究结果显示，酸强度与孔道限域效应是影响贝克曼重排反应的两个重要的因素。 - In this work, we explored the liquid-phase Beckmann rearrangement of cyclohexanone oxime under mild condition by using solid sulfonic acid instead of liquid fuming sulfuric acid as catalysts.
本工作以固体磺酸代替液体发烟硫酸作为催化剂，研究了温和条件下环己酮肟的液相Beckmann重排反应，考察了不同种类的固体磺酸催化体系。 - The influence of acid strength and pore confinement effect on Beckmann rearrangement reaction has been systematically studied by DFT calculations.
本文中利用理论计算的方法系统地研究了固体酸的酸强度以及分子筛的孔道限域效应对贝克曼重排反应机理以及活性的影响。 - At present, the last step of commercial processes for caprolactam is Beckmann rearrangement of cyclohexanone oxime Catalyzed by fuming sulfuric acid or concentrated sulfuric acid.
目前，工业上生产己内酰胺的最后一个步骤是环己酮肟的贝克曼重排反应，它是在发烟硫酸或浓硫酸的催化下进行的。