本论文研究了丙酮缩合的两种方法。
Two methods of acetone condensation were studied in this dissertation.
方法采用固相多肽合成法，使用逐步缩合的战略合成奥曲肽。
Method Octreotide was synthesized by the solid-phase peptide synthesis method and stepwise condensation strategy.
研究了催化剂用量等因素对缩合的影响，考察了脱水、催化加氢的条件。
The amount of catalysts and other factors in condensation were investigated. The conditions on dehydration and hydrogenation were also investigated.
结果表明未漂浆中主要存在紫丁香基木素和愈疮木基木素，漂白过程中缩合的愈疮木基木素溶出相对较少。
The results showed that the lignin in the unbleached pulp was mainly composed of syringyl lignin (S-lignin) and guaiacyl lignin (G-lignin).
戊烷沥青质中以迫位缩合的芳香环系结构为主，胶质组分中渺位缩合与迫位缩合的芳香环系结构各占相当比例。
The aromatic structure of pentane asphaltenes is mainly peri condensed, while for resins the proportion of cata condensed and peri condensed aromatic structures is comparable.
本文讨论了通过克莱森缩合反应合成5甲基异唑3甲酰胺工艺的改进。
This paper reports the improvement on the synthesis of 5 methylisoxazol 3 formamide by Claisen condensation.
目的是与不同的芳香醛进行环合和缩合，以合成一系列的金酮。
The objective is to cyclize and condense with different aromatic aldehydes to synthesize a series of aurones.
在氟化钾催化下，芳香醛与氰乙酸乙酯发生克脑文格尔缩合反应，得到高产率的缩合产物。
The knoevenagel condensation of aromatic aldehydes with ethyl cyanoacetate proceeds smoothly in the presence of potassium fluoride giving products in high yield.
该委员会的名称被缩合成NACA。
这幅由数张静态图像压缩合成的GIF格式文件(动态图像)是一部时长1分24秒的视频片段。
The GIF file, made by compressing several images into an animation, is part of a 1:24 long video.
换成缩合固化。这些化合物不用铂催化剂，因此不会受到以上因素的影响。
Switch to a condensation curing compound. These compounds do not use platinum and thus are not affected by any of the above.
缩合率和模型肽的纯度都令人满意。
摘要呱嗪缩合反应是环丙沙星生产工艺中的关键步骤。
Condensation reaction of piperazine is a very important step in the process of synthesis of ciprofloxacin.
本文报道在苯—氢氧化钠水溶液中，由苯酚和氯乙酸缩合制取苯氧乙酸的良好结果。
This work introduces nice results for the preparation of phenoxyacetio acid in benzene-sodium hydroxide aqueous system through condensation of phenol with chloroacetic acid.
合成脂肪族聚酯二醇的合成及二羧酸经缩合聚合，和已知的完全生物降解土壤和水。
Synthetic aliphatic polyesters are synthesised from diols and dicarboxylic acids via condensation polymerisation, and are known to be completely biodegradable in soil and water.
聚乳酸(PLA)是一种线性脂肪族聚酯的聚乳酸中自然产生的或由丙交酯开环缩合催化剂组产生。
Polylactic acid (PLA) is a linear aliphatic polyester produced by poly-condensation of naturally produced lactic acid or by the catalytic ring opening of the lactide group.
采用外加单宁的方法研究了这种吸附材料对中草药提取物中缩合类单宁的选择性吸附能力。
By the approach of adding tannins into extracts of Chinese medicinal herbs, the adsorption selectivity of this adsorbent to condensed tannins was extensively investigated.
研究表明，运动后的30分钟内最易于补充肌肉糖原(糖原是由许多葡萄糖缩合成的支链多糖)。
Studies have shown that muscles are most receptive to rebuilding glycogen within the first 30 minutes after exercise.
核禁政策称为MAD，很贴切，是表示保证互相毁灭的缩合字。
The determent policy has been dubbed MAD, an appropriate acronym which stands for mutual assured destruction.
给出了合成过程中缩合，分解、闭环，离析等关键步骤的化学反应；
Alongside, the chemical reactions for the key steps in this synthesize process i. e, the condensation, decomposition, ring-closing, separation, etc. are given.
图式1吡咯与苯甲醛的缩合反应。
综述了有机磷杀虫剂二嗪磷的缩合工艺研究进展。
The research progresses of the condensation process of organophosphorus insecticide—diazinon, are reviewed.
控制缩合反应的温度，还得到一种苯并环庚酮和一种苯并环戊烷。
One benzosuberone and one benzocyclopentane are synthesized when controlling the condensation reaction temperature.
综述了青霉素乙酰化固定化酶和头孢氨苄酶法缩合工艺的研究进展；
The advances in immobilized acetylase of penicillin and process of enzymatic condensation in cephalexin synthesis were reviewed.
发生了醌型体系的缩合反应。
一类由一个分子的氨基与另一个分子的羧酸基之间，缩合而生成的聚酰胺。
A group of polyamides formed by the condensation between an amino group of one molecule and a carboxylic acid group of another.
本文通过实验研究了超声波辐射下安息香的缩合反应及该反应的最优化条件。
This article analyzes the optimum condition of the reaction of benzoin condensation with the supersonic in the experiment.
目的：对多元醇及多元缩合醇的定量分析。
Objective:Quantitative analysis of four polybasic alcohols and condensation alcohols.
目的：对多元醇及多元缩合醇的定量分析。
Objective:Quantitative analysis of four polybasic alcohols and condensation alcohols.
应用推荐