查询词典 synthesis method

The synthesis of the NiFe〓O〓 spinel matrix material, the utility of grain composition of the spinel ingredients when synthesizing the inert anode, and the synthesis of the inert anode was studied essentially in this thesis.

本文重点研究了镍铁尖晶石原料的合成，合成惰性阳极制品时原料的粒度配比和惰性阳极制品的合成。

This review on organobismuth chemistry is carried out as the following four aspects:(1) the molecular structure characteristics and synthesis of new organobismuth compounds;(2) as reagents for cross-coupling, oxidation, arylation, and other reactions;(3) as catalysts for organic synthesis;(4) as medicines for the treatment of ulcers, anti-tumor and radio-therapy, etc.

本文回顾了近10多年来有机铋化学的研究状况，主要从以下4个方面进行综述：(1)新型有机铋化合物的合成途径与结构特征；(2)有机铋化合物作为交联偶合、氧化、芳基化和其它反应的试剂；(3)作为催化剂；(4)作为生物医药用于溃疡、肿瘤和放射治疗等。

Products have good thermal stability anddecomposition temperature above 200℃; Selected lauryl amine as a case, then optimizedthe synthesis conditions by orthometric trial, and obtained the best synthesis technichs: themolar ratio of 1: 2.1, the reaction temperature was controlled at 80℃and the reaction timeof 16 h, reaction to the solvent n-propanol.

并对其热稳定性进行了分析，合成产物具有较好的热稳定性，分解温度都在200℃以上；以十二胺为例，用正交实验法优化合成条件，获得最佳合成工艺为：摩尔配比为1：2.1，反应温度控制在80℃，反应时间为16h，反应所用的溶剂为正丙醇。

the fibroblasts are activated in collagen synthesis in active keloid. The enhanced collagen synthesis by fibroblasts is a critical factor leading to the overabundant collagen accumulation in keloid.

结论在活跃增生的瘢痕疙瘩中，成纤维细胞胶原合成功能处于活化状态，胶原合成增加是瘢痕疙瘩中胶原过度积聚的重要原因。

Owing to the versatile application of pentaerythritol derivatives to organic synthesis, a lot of organic synthesis methods are able to be used in preparation of the new kind of glycoconjugate.

同时， 由于季戊四醇衍生物在有机合成领域应用广泛，很多有机合成方法都可以应用到这类糖缀合物的合成中。

The drawbacks of the synthesis process are analyzed and the suggestion for improvement on the peracetic acid synthesis is also presented.

分析了合成工艺的缺陷并提出了工艺改进的建议。

The drawbacks of the synthesis process are analyzed and the suggestion for improvement on the peracetic acid synthesis is also presented.

指出过氧乙酸的重要作用除了其广谱杀菌能力外，更体现在合成化学与工业领域的各类特殊氧化反应中。

The total synthese three natural compounds to explore enantioselective synthesis of flavanol: We use phloroglucin and 2, 4, 6-trihydroxyacetophone as starting materials to synthesis distenin in two ways; Resorcin was used to synthsis 2, 5-dimethoxymethoxyacetophone though 3 steps.

对黄烷醇化合物的立体选择性全合成进行了探索：以间苯三酚和2，4，6-三羟基苯乙酮为原料，尝试用两条路线对Distenin化合物进行了全合成研究；以对苯二酚为原料，经三步制得2，5-二甲氧甲氧基苯乙酮，与2，4，6-三甲氧甲氧基苯甲醛反应，经四步反应得到天然产物3，5，7，2′，5′-二五羟基黄烷关键中间体1-（2′，6′-二甲氧甲氧基苯）-3-（2&，4&，6-三甲氧甲氧基苯）丙烷-1R，2R-二醇83及其对映体84；简要介绍了EGCg类化合物的生物活性和研究概况。

Total synthesis of bilobetin and isoginkgetin, natural polyhydroxy biflavones with a Ⅰ-3'/Ⅱ-8 dissymetrical connection, and synthesis of acetyl flavones were investigated in this dissertation.

本论文对天然多羟基不对称连接的双黄酮-白果素、异银杏素的合成以及乙酰基黄酮的合成进行了研究，共包括以下内容

The results of protein synthesis of NT embryos indicated that the protein synthesis pattern of NT embryos and fertilized eggs was similar. 19. 2 KD protein existed in 32-cell stage donor embryos disappeared in NT embryos at the pronuclear stage, however, this protein was reprogrammed to reappeared in 32-cell stage NT embryos.

七、核移植胚的蛋白合成分析结果表明，原核期核移植胚与原核期受精卵具有相同的合成模式。32-细胞期供体胚中的19.5KD蛋白在原核期重组胚中消失，而在32-细胞期重组胚中再度出现，发生了蛋白合成的重序过程。

There had been a moment during the breakfast meeting, though, after the backslapping and the small talk and when all of us were seated, with Vice President Cheney eating his eggs Benedict impassively and Karl Rove at the far end of the table discreetly checking his BlackBerry, that I witnessed a different side of the man.

那次早餐会期间，在表示过关心和寒暄以后，我们所有人坐了下来，我注意观察了一下，副总统切尼面无表情地吃着班尼迪克蛋（Eggs benedict，源自美国，以英式松饼、火腿、水煮蛋以及荷兰酱组合而成），卡尔。罗夫在餐桌的远端谨慎地经常查看他的黑莓手机，我目睹了他所不为人知的一面。

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