合成的

Much attention has been given to pyruvate and its derivatives, for they are important intermediates in the process of organic and pharmaceutical syntheses.

丙酮酸系列化合物也是重要的有机合成和药物合成的中间体，已引起广泛的重视。

Ribosome affect the protein synthesis, we could understand the situation of protein synthesis using this method.

核糖体核蛋白影响着蛋白质的合成，通过对小鼠肝细胞核糖体蛋白含量的测定可以了解核糖体参与蛋白合成的情况。

Esoporous Al MSU X aluminosilicates have been prepared through a two step route using preformed zeolite like nanoclusters and TX 100 as the inorganic source and mesostructure directing agent respectively, and characterized by XRD, HRTEM, N 2 adsorption desorption isotherm, 27Al MAS NMR, NH 3 TPD and so on.

SU X介孔材料是具有三维"wormhole like"孔道特征，且它采用廉价、无毒和可降解的非离子表面活性剂于弱酸性或中性介质中合成的，与使用季铵盐阳离子表面活性剂为模板剂的其它介孔材料相比，无论在合成过程或应用方面都有诸多优势[1 ，2 ] 。

Then two series of yellow sulfonamide dyes are synthesized by the reaction of the sulfonyl chlorides and ammonia or different fatty amines in the presence of acid-binding reagent. The structures of sulfonyl chloride intermediates and sulfonamide dyes are confirmed by FTIR,~1H NMR and mass spectrometry.

将所合成的磺酰氯化合物在缚酸剂作用下分别与含有不同碳数的饱和脂肪胺发生缩合反应，合成了两个系列黄色偶氮型磺酰胺染料，并利用红外光谱、核磁共振氢谱和质谱表征了磺酰氯中间体和磺酰胺染料的分子结构。

Methods Amplify the cDNA sequence encoding truncated HCV gene, with a part of carboxyl-terminus deleted, by PCR. Synthesize the mimic epitope at E2 region of HCV and seven T or Th cell epitope genes of NS3-NS5 respectively. Bind HCV core gene with a part of carboxyl-terminus deleted to the synthetic epitope gene by PCR, then clone into eukaryotic expression vector pcDNA3.1 and transiently transfect COS7 cells.

用PCR方法扩增核心区羧基端部分缺失的基因片段；分别合成HCV E2区模拟表位和NS3~NS5 7个T或Th细胞表位基因；PCR方法将羧基端部分缺失的HCV核心区基因与合成的表位基因串联，克隆入真核表达载体pcDNA3.1，并通过脂质体瞬时转染COS7细胞。

They learned about this new fatty acid-making pathway by hunting the trypanosome genome for stretches of DNA known to be involved in fatty acid synthesis in other organisms, like animals and plants.

他们通过寻找锥虫基因组DNA条带中已知涉及在其他物种（象在动物以及植物中存在的）中可以合成脂肪酸的区域认识了这个脂肪酸合成的途径。

In leaves,chloroplast not only has photosynthesis,but also is the main synthesis site of essential oil,and essential oil is permeated into small vacuole to store.

在叶中，叶绿体不仅行使光合作用功能，而且还是挥发油的主要合成场所，合成的挥发油以渗透的方式进入小液泡内储存起来。

Summarized the recent years benziminazole class compound different synthetic method, specially microwave synthesis application.

综述了近年来苯并咪唑类化合物的不同的合成方法，特别是微波合成的应用。

N,N′-Disubstituted ureas,used as intermediates for synthesis of pesticides,resin precursors and carbamates,were synthesized from carbon dioxide and primary amines(namely n-propylamine, n-butylamine ,n-amylamine,n-hexylamine,benzylamine and aniline) over organic base catalysts.

以正丁胺为反应基质、TBD为催化剂，合成N，N′-二丁脲的最佳反应条件为：反应温度180℃，CO2压力10.0M Pa，反应时间10h，TBD摩尔分数5.0%；在此条件下，N，N′-二丁脲的收率为81.8%；红外光谱表征结果表明，合成的产物为N，N′-二丁脲。

The promoted taxanes production by addition of precursors can not be explained completely with taxol biosynthetic pathway presumed.

依据已推测的生物合成途径不能完全解释已证明有效的前体对紫杉烷生物合成的影响。

In the negative and interrogative forms, of course, this is identical to the non-emphatic forms.

。但是，在否定句或疑问句里，这种带有"do"的方法表达的效果却没有什么强调的意思。

Go down on one's knees;kneel down

屈膝跪下。。。下跪祈祷