萃取的

Methods: Antineoplastic compounds were screened by bioassay-guided method with partitive extraction and multiple column chromatographies(Sephadex LH-20, ODS and preparative HPLC). Structures of active compounds were determined by high-resolution 2D NMR(600 MHz) and ESI-MS techniques.

通过分级萃取和多种硅胶柱层析（Sephadex LH-20凝胶过滤、ODS反相层析和HPLC）追踪分离抗癌活性成分；利用电喷雾离子质谱和高分辨(600 MHz)核磁共振二维谱技术鉴定化合物的结构。

Methods: Antineoplastic compounds were screened by bioassay-guided method with partitive extraction and multiple column chromatographies(Sephadex LH-20,ODS and preparative HPLC).

通过分级萃取和多种硅胶柱层析(Sephadex LH-20凝胶过滤、ODS反相层析和HPLC)追踪分离抗癌活性成分；利用电喷雾离子质谱和高分辨(600 MHz)核磁共振二维谱技术鉴定化合物的结构。

The product contains ginkgo leaf essence and natural pearl protein hydrolysate of South Sea, can promoting blood circulation and activate cell; it can whiten skin whilst eliminating dirt and cosmetics, and then leave your skin shining and glossy.

蕴涵银杏叶萃取精华和天然南海珍珠水解蛋白，具活血活化细胞功能；在去除污垢和彩妆的同时美白肌肤，令肌肤亮丽有光泽。

There are two basic types of percolator

总体上来说，有两种原理的萃取器

A coffee percolator is a type of pot used to brew coffee.

咖啡萃取器是一种用来冲煮咖啡的壶。

The supercritical carbon dioxide extraction experiment researches with a liquid model material of the concentration of thick soybeans phosphatide are introduced synthetically.

摘 要：本文以浓缩大豆粗磷脂作为液态物料的模型材料进行了超临界CO2萃取实验研究。

Its relative standard deviation and relative error are all less than those by ithizoneextraction photometry.

该方法的相对标准偏差和相对误差均小于双硫腙萃取光度法。

The technique of LPME combined with high performance liquid chromatography has been widely applied to phytochemistry, analytical chemistry, biochemistry, environmental control, clinical medicine, pharmacological researches, and so on.

该技术操作简便，萃取效率高，富集效果好，抗干扰能力强，同时它消耗有机溶剂量非常少，是一项环境友好的样品前处理新技术。

Phytosterol is a kind of substance of physiological activity, which is directly extracted from plant through supercritical carbon dioxide extraction technology. Therefore, it does not contain any unidentified compositions such as organic solvents and metal ions, etc. It can be widely used in the industries of medicine, food and feed etc.

植物甾醇是一类具有生理活性的物质，采用超临界二氧化碳萃取技术直接由植物中提取而得，所以不含任何有机溶剂及金属离子等不明成分，能广泛应用于医药，食品，饲料等行业。

It studied that performance of extraction iron, plumbum of calix[4]arene and its derivatives by the means of TAS-986 spectrophotometer.

4用原子吸收研究了杯[4]芳烃及其衍生物对过渡金属离子铁、铅的萃取性能。

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