纯化

Methods 9 kinds of macroporous resins with different polarities were used in the purification of the total flavonoids in Lignum Dalbergia odorifera.

选择9种不同极性的大孔吸附树脂，以降香总黄酮为指标，通过静态吸附和解吸附试验优选树脂，动态试验考察其纯化降香总黄酮的最佳工艺条件。

Methods 9 kinds of macroporous resins with different polarities were used in the purification of the total flavonoids in Lignum Dalbergia odorifera.Results HPD100 macroporous resin was better in purification of the total flavonoids.

选择9种不同极性的大孔吸附树脂，以降香总黄酮为指标，通过静态吸附和解吸附试验优选树脂，动态试验考察其纯化降香总黄酮的最佳工艺条件。

Macroporous resin could be used in the purification of the total flavonoids in Lignum Dalbergiae odoriferae.

HPD？100树脂能够有效纯化降香总黄酮。

Methods 9 kinds of macroporous resins with different polarities were used in the purification of the total flavonoids in Lignum Dalbergia odorifera.Results HPD?

选择9种不同极性的大孔吸附树脂，以降香总黄酮为指标，通过静态吸附和解吸附试验优选树脂，动态试验考察其纯化降香总黄酮的最佳工艺条件。

Curious to learn how the immune system responds to such an environmentally common allergen, Locksley's team aerosolized purified chitin and sprayed it into the lungs of laboratory mice.

好奇于想知道免疫系统如何对类似这样环境中普遍的变应原作出反应，洛克斯利的研究小组雾化纯化甲壳素并喷雾到实验用小鼠的肺中。

Curious to learn how the immune system responds to such an enironmentally common allergen, Locksley's team aerosolized purified chitin and sprayed it into the lungs of laboratory mice.

好奇于想知道免疫系统如何对类似这样环境中普遍的变应原作出反应，洛克斯利的研究小组雾化纯化甲壳素并喷雾到实验用小鼠的肺中。

It can be used for the separation and purification of solutes from low molecular mass substances to macromolecules such as proteins.

连续床层析的研究始于八十年代末，是一种新型的高效液相层析分离方法，可用于从小分子到蛋白质等生物大分子的分离纯化。

Hydroxy-2,3-dihydro-4-quinolone is synthesized by the basic material of 4-nitrochloro-benzene. It has investigated the routes, conditions and purifies methods in this paper, which provides bases to lucubration and industrialization. This study belongs to the field of medical intermediates.

本文以4-硝基氯苯和丙烯酸为基础原料合成6-羟基-2，3-二氢-4-喹啉酮，并对6-羟基-2，3-二氢-4-喹啉酮的合成条件和纯化方法进行了实验研究，为后续的深入研究和工业化生产提供依据。

This review summarizes the recent developments of LVI for environmental analysis, include on column injection, programmed temperature vaporizer, AT-column, direct sample introduction/difficult matrix injection, concurrent solvent recondensation large volume splitless injection, and also through oven transfer adsorption desorption interface for on-line connection of LC with CGC.

本文总结了几种常见的LVI，包括柱头进样和程序升温进样，以及近年来发展的一些新技术，如在柱同时溶剂浓缩进样、样品直接引入进样/复杂基质进样和同时溶剂冷凝无分流进样，阐述了各种进样技术的基本原理及其与样品提取、LC纯化在线联用的方法在环境分析应用中的一些最新研究进展。

Objective To establish the high-cell-density fermenting method of recombinant human lymphotoxin alpha in Escherichia Coli and the annealing and purification methods of objective protein,then optimize the methods and obtain high purity rhLT-α.

目的建立和优化重组人淋巴毒素α工程菌高密度发酵方法以及目的蛋白的复性和纯化方法，得到高纯度的重组人淋巴毒素α。

I didn't watch TV last night, because it .

昨晚我没有看电视，因为电视机坏了。

Since this year, in a lot of villages of Beijing, TV of elevator liquid crystal was removed.

今年以来，在北京的很多小区里，电梯液晶电视被撤了下来。