萃取的

The chemical composition of the extract of oregano was studied by GC MS technique, 20 compounds were identified.

采用GC-MS技术对在超临界CO2中加入夹带剂萃取牛至的萃取物的化学成分进行了分析，共鉴定出20种化合物。

The principle of solid phase extraction was discussed and its use in lead ion analysis was summarized.

介绍了固相萃取技术的一般原理后，综述了固相萃取技术在铅离子分析中的应用。

A method for analysis of tebuconazole in water using solid phase extraction and high performance liquid chromatography was developed.

首次建立了固相萃取-高效液相色谱法检测水中戊唑醇的方法并优化了固相萃取和高效液相色谱的条件。

The effect of operation conditions on the concrete yield, such as the state of materials, pressure, temperature and granularity etc, are studied from the systematic experiments of fresh, sundried flowers and Semen Cassiae.

通过对鲜槐花、自然风干槐花和决明子的一系列SFE-CO2实验，研究了物料状态、萃取压力、温度、粒度等对萃取效果的影响。

This paper introduced the basic principle and the characteristic of the supercritical CO2 extract technology.

介绍了超临界CO2萃取技术的基本原理及特点，并阐述了超临界CO2萃取技术在中草药方面的应用和发展前景。

The synergic extraction is main to from multicomponent complex of mixed ligand in extractive separation.

溶剂萃取分离中的协同萃取，是形成混配多元络合物的主要表现。

A device is made according to the principle of Lewis cell for the study of technetium extraction kinetics.

本课题在Lewis池的基础上设计加工了用于锝萃取动力学研究的恒界面萃取实验装置。

It included the development of the trilinear decomposition algorithms as well as the applications of these algorithms to different fields of analytical chemistry, in particular, to three-way fluospectroscopy (excitation-emission matrix fluospectroscopy)In Chapter 2, a method of simultaneous determination of two main components of the Chinese traditional medicine cortex fraxini was introduced.

第二章利用激发-发射荧光分析方法分析了中药秦皮粉末萃取液，结合交替三线性分解算法，在无须预分离的情况下，直接对秦皮实际萃取液中秦皮甲素和秦皮乙素这两种主要成分同时定性定量分析，方法允许在其他组分的干扰共存。

Two kinds of aromatic and fatty xanthate salts were synthesized and their extracting qualities to Pd in waste catalysts were studied.

合成了 2种芳香族黄原酸盐及脂肪族黄原酸盐，并研究了它们对废催化剂中钯及铂的萃取性能，结果发现芳香族黄原酸盐对贵金属钯的萃取效果明显优于脂肪族黄原酸盐。

The extraction performance of Zn from HCl medium with a new kind of carboxylic extractant, ammonized sec-octylphenoxy acetic (CA12) and ammonization of the extractant have been studied.

研究了一种新型萃取剂仲辛基苯氧乙酸(CA12)的皂化以及从盐酸介质中萃取Zn的性能。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。