查询词典 alkaloids

These compounds are alkaloids, steroid and organic acids and two of them are novel compounds.

结果表明这些化合物属于生物碱、甾醇和有机酸类物质，其中有两个为新化合物。

Any of several alkaloids with similar structures.

硫酸铜的一种含水的蓝色晶体。

Objective: To test the different methods of extraction result of total alkaloids from Semen Strychni.

目的：考察不同提取方法对马钱子中总生物碱含量测定结果的影响。

To date, our method represents the shortest synthesis of these two alkaloids.

在论文的第二部分，我们将发展的方法应用到喹啉及异喹啉体系中，取得了一些好的结果。

ObjectiveTo study the analysis and extraction methods for total alkaloids in mulberry.

目的研究桑树总生物碱的分析方法和提取方法。

Purification of alkaloids has two different kinds i.e. resins and organic solvents in general.

生物碱的纯化常见的有树脂法和有机溶剂法。

In the first part of this dissertation, we described our studies towards total synthesis of Cyclopeptide alkaloids.

论文第一部分对环肽生物碱的合成进行了研究并完成了十三元环肽生物碱Ziziphine N的合成。

Objective:The purpose was to determine the optimum extraction of Fissistigma alkaloids.

目的：确定瓜馥木总生物碱的最佳提取工艺。

This book provides for the first time a single comprehensive source of information on the analytical chemistry of nicotine and related alkaloids.

这本书第一次提供关於尼古丁的分析化学和有关的生物碱的一个单个的综合的讯息源。

Add nitrogen to carbon to form alkaloids, and add sulfur to that to get amino acids and proteins.

添加氮碳形成生物碱，并添加硫该得到的氨基酸和蛋白质。

We have no common name for a mime of Sophron or Xenarchus and a Socratic Conversation; and we should still be without one even if the imitation in the two instances were in trimeters or elegiacs or some other kind of verse--though it is the way with people to tack on 'poet' to the name of a metre, and talk of elegiac-poets and epic-poets, thinking that they call them poets not by reason of the imitative nature of their work, but indiscriminately by reason of the metre they write in.

索夫农 、森那库斯和苏格拉底式的对话采用的模仿没有一个公共的名称；三音步诗、挽歌体或其他类型的诗的模仿也没有——人们把&诗人&这一名词和格律名称结合到一起，称之为挽歌体诗人或者史诗诗人，他们被称为诗人，似乎只是因为遵守格律写作，而非他们作品的模仿本质。

The relationship between communicative competence and grammar teaching should be that of the ends and the means.

交际能力和语法的关系应该是目标与途径的关系。