查询词典 constituents

OBJECTIVE:To analyse the chemical constituents of Zanthoxylum armatum DC.

目的：分析竹叶椒果实化学成分，为竹叶椒的开发利用提供依据。

In this paper, volatile oil was extracted from Zanthoxylum bungeanum Maxim. in Hanyuan by supercritical CO2 and its constituents were analyzed by GC-MS.

用超临界CO2萃取汉源花椒挥发油，并以GC-MS分析了其成分。

The gas stream is treated and the zinc collected in the dust, of which zinc (18-35%) and iron are the main constituents.

然后处理气体，从烟尘中回收锌，该烟尘的主要成分是锌(18-35%)和铁。

AIM: To investigate the chemical constituents from Abrus mollis Hance.

目的：对毛鸡骨草Abrus mollis Hance的化学成分进行研究。

AIM:To investigate the chemical constituents from Abrus mollis Hance.

中文摘要：目的：对毛鸡骨草Abrus mollis Hance的化学成分进行研究。

MethodsThe FTIR was utilized to investigate the different parts of Abrus cantoniensis, the secondary derivative spectra and semi-quantitative analysis were used to analysis difference constituents of different parts of Abrus cantoniensis,.

目前，研究鸡骨草的化学成分主要采用紫外分光光度法、反相高效液相色谱法等［4～7］，这些方法前处理过程复杂、耗资多，很难直接应用于鸡骨草药材质量的快速评价。

While the best performance on the amount of three less polar constituents, such as acacetin, chrysin and wogonin were obtained by using 60-95 % ethanol.

另外，acacetin，chrysin 及wogonin等三个极性较低的活性成分，则可在60-95 %酒精浓度及温度333 K下，具有最佳的抽取量。

The CHCl3 fraction was chromatogaphed on various medum column eluted with different solvents to isolate the four constituents, such as baicalein, wogonin, chrysin and acacetin.

氯仿可溶层以不同的介质及溶剂进行管柱层析，可得到baicalein、acacetin、chrysin 及wogonin等四种成份。

Pre-test for chemical constituents and Screening of acaricidal active part of clove: The possible chemical compounds of clove were checked using tube-test method.

丁香化学成分预试与杀螨活性部位筛选：采用试管法对中药丁香的化学成份进行了预试。

Acicular ferrite and martensite appeared to be the most influential constituents affecting tearing resistance and initiation toughness.

针状铁素体和马氏体似乎是最有影响力的成分影响撕裂阻力和发起的韧性

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。