查询词典 analogs

However, poly analogs cannot be obtained through the polymerization of the obvious parent molecule, vinyl amine, because vinyl amine is unstable with respect to its imine tautomer, ethylimine.

然而，聚类似物不能获得通过聚合明显的母公司分子，乙烯胺，因为乙烯胺是不稳定与尊重其亚胺互变异构体， ethylimine 。

Was also observed and evaluated ,The poison symptoms of tropically treated M.separata were observed, following a similar pattern of nerve poisoning: excitation, convulsion, paralysis, and death. The effect of acetone extract from Ferula.ferulaeoidis on the development and hatch of the eggs and survival of hatched larvae as well as ovicidal activity was observed and estimated.

蛹的生长发育有抑制作用，中毒粘虫先后表现出兴奋、痉挛、麻痹等症状，最后死亡；对黄粉虫蛹生长发育的抑制作用类似于保幼激素(Juvenile hormone analogs， JHA)活性；对棉铃虫(Heliothis armigera Hübner)卵发育、孵化及初孵幼虫存活有明显影响，表现出一定的杀卵活性。

The density functional theory B3LYP/6-31G(superscript * was used to study 9 aconitine analogs and the relationship between structure and toxicity was discussed.

采用密度泛函理论B3LYP/6-31G方法，对附子中的9种乌头碱类成分进行了量子化学理论研究，讨论了该类生物碱的结构和毒性的关系。

To study the molecular structure and function of the PyNPase, and to construct a system for preparation of the enzyme for practical synthesis of nucleoside analogs, molecular cloning of the encoding the PyNPase from E. aerogenes strain EAM-Z〓 have now been completed.

我们通过以该酶的N端氨基酸序列设计上游引物，以不同来源PyNPase的C末端同源区氨基酸序列设计下游引物，采用PCR技术，扩增出该酶基因的编码区（约1206bp），并完成了其重组质粒的构建和核苷酸序列的测定，目前正在进行PyNPase表达质粒的构建。

They will be releasedin the middle of year, earlier than the desktop analogs agena FX and Agena.

他们将获准在中间一年提前与台式类似物Agena盘

The analogs of piracetum with the core of demethylclausenamide(III-4 and III-5) were prepared by condensation of demethylclausenamide with ethyl bromoacetate and hydrolysis or aminolysis there after.

3在兰培工作的基础上，选用O-乙酰-R--扁桃酸为拆分剂，成功的拆分了表黄皮酰胺前体5--4-苯基-1-甲基吡咯烷酮(Ⅱ-1)，和Ⅱ-1分别引入3位羟基得到和表黄皮酰胺。

As an analogs of normal human skin in biophysiography and physiological function, artificial skin serves as a new model in vitro to study the photobiologic relationship of ultraviolet ray and skin.

人工皮肤作为人体皮肤形态及功能的类似物，成为研究紫外线对人体皮肤作用的新型体外模型。

Trp in a protein can be replaced by its analogs by biosynthetic incorporation technique.

利用生物合成的办法，可以在蛋白质的色氨酸位点引入它的类似物。

To modify the structures of erythromycin analogs in S. erythraea, stable expression vectors need to be constructed.

为了对红霉素类似物进行结构修饰研究，需要能够在糖多孢红霉菌中有效表达外源片段的载体。

Hydroxy and α-keto amino acid analogs of diet in

中的α-羟基和α-酮基氨基酸同型物。

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。