查询词典 synthesis

Norcantharidin can be made by artificial synthesis; it still be more suitable application than cantharidin in clinical use.

为了减少其副作用，斑蝥素的衍生物，斑蝥酸钠、去甲基斑蝥素等相继被研发出来；研究发现去甲基斑蝥素抗癌效果比斑蝥素强而无泌尿道刺激之副作用，尤其去甲基斑蝥素易人工合成，故而更适合作为临床应用。

Mylabris has good anti-tumor effect, the effective ingredient of which is cantharidi. Norcanthaddin is prepared by artificial synthesis on the base of cantharidin, reducing the side-effect of cantharidin as well as keeping the antitumor activity of it.

斑蝥具有良好的抗肿瘤作用，其抗癌的有效成分是斑蝥素，但斑蝥素的副作用较大，去甲斑蝥素是在斑蝥素基础上人工合成的化合物，降低了斑蝥素的副作用而保留了抗癌活性。

Only at the end of the movement, in a quiet coda, are these mosaic-like fragments seen to have been the building blocks of a single cantilena ; the psychological climax – the final synthesis of the entire melody – is thus shifted to the tranquil closing pages of the movement.

只有在乐章的末尾一个安静的结束句里，马赛克式的片段构成了单声部的坎蒂列那；情感上的高潮——整个旋律的汇总——然后转换到乐章安静的尾声。

The results showed that new-type solid ferric potassium alum was a good catalyst for the synthesis of ethyl decanoate and the optimum conditions were as follows: molar ratio of acid to alcohol was 1∶2, the use level of catalyst was 0.6 g/0.05 mol capric acid, water-taking reagent benzene was...

结果表明，新型固体酸铁钾矾是合成癸酸乙酯的良好催化剂，在酸醇物质的量比为1∶2，催化剂用量为0.6g(0.05mol癸酸)，带水剂苯为15mL，反应时间为2.5h的条件下，癸酸乙酯的酯化率可达98%。

The results showed that new-type solid ferric potassium alum was a good catalyst for the synthesis of ethyl decanoate and the optimum conditions were as follows: molar ratio of acid to alcohol was 1:2, the use level of catalyst was 0.6g/0.05 mol capric acid, water-taking reagent benzene was 15 mL, reaction time was 2.5 h and the yield of ethyl decanoate could reach 98%.

结果表明，新型固体酸铁钾矾是合成葵酸乙酯的良好催化剂，在酸醇物质的量比为1：2，催化剂用量为0.69（0.05 mol癸酸），带水剂苯为15mL，反应时间为2.5h的条件下，癸酸乙酯的酯化率可达98%。

Synthesis of ethyl caproate by a strong acid cation exchange resin catalyst

研究了以强酸性阳离子交换树脂为催化剂，环己烷作带水剂，冰醋酸与异戊醇合成乙酸异戊酯的反应条件。

After synthesis of the DNA polymerase and replication of DNA,the viral capsid and glycoproteins are synthesized.

在DNA多聚酶合成DNA复制后，病毒衣壳和糖蛋白合成。

Therefore, the development of clean and efficient process for N-substituted carbamate synthesis has become the key step for this protocol.

因此，发展清洁、高效的N-取代氨基甲酸酯合成路线成为该领域研究热点之一。

At the same time coupling reaction combined with urea and methanol is used in the synthesis of methyl carbamate.

重点研究了氨基甲酸甲酯的合成路线，本文将耦合反应应用于氨基甲酸甲酯的合成反应中，结合尿素醇解法制备氨基甲酸甲酯。

This paper reviews the synthesis and mechanism,analysis,the physicochemical properties of starch phosphate carbamate.

评述了磷酸-氨基甲酸淀粉酯的合成及反应机理、分析方法、物化性能等。

As she looked at Warrington's manly face, and dark, melancholy eyes, she had settled in her mind that he must have been the victim of an unhappy attachment.

每逢看到沃林顿那刚毅的脸，那乌黑、忧郁的眼睛，她便会相信，他一定作过不幸的爱情的受害者。

Maybe they'll disappear into a pothole.

也许他们将在壶穴里消失