查询词典 purification

But for industrial production of polypeptides, it is particularly important of its separation and purification techniques or mass production. It is significant to study these parathion and analyses of polypeptides so as to contribute to industrialization.

而对于多肽物质的工业化生产来说，多肽物质的分离纯化、大量制备就显得格外重要，它的分离与分析技术是生物技术实现产业化的关键。

The result is better than the phenol sulfuric acid method, thus we think the anthrone sulfuric acid method determining gingko leaf polysaccharide content more ideal method, When we do purification experiment of gingko leaf polysaccharides, we may use it for the partial collections of polysaccharide and carry on the track examination.

结果比苯酚硫酸法好，因而可认为蒽酮硫酸法是测定银杏叶多糖含量较为理想的方法，在分离纯化银杏叶多糖时可用于对部分收集的多糖进行跟踪检测。

This paper summarizes the present production pattern of coking industry in China and analyzes the present existing problems of gas purification system.

概括了我国目前焦化的生产格局，分析了目前煤气净化装置所存在的问题。

Taking the contents of Paeoniflorin, Flavonoids of Glycyrrhiza, n-butanol extraction and amount of dry extract cream as the evaluation indexes, the procedure of extraction, purification, concentration and dryness of Paeony, Glycyrrhiza and pawpaw was studied with orthogonal test and mono-factorial test.

分别以芍药苷含量、甘草总黄酮含量、正丁醇浸出物含量和固形物收率为评价指标，通过单因素试验和正交试验，筛选出白芍、甘草和木瓜的提取、纯化、浓缩和干燥工艺。

Through research of mineral processing and purification to one pegmatite in Xinjiang province ,our laboratory had successfully discovered one feasible method on economy and technology.

我实验室通过对新疆某伟晶岩矿石的选矿提纯研究，成功发现了一个经济技术都可行的方法，精矿电气石回收率达到80%以上，品位90%。

The purpose of this research is to prepare a kind of bamboo charcoal pellet for use in blood purification.

摘要本研究的目的是制备一种用於血液净化的竹碳颗粒材料，其粒径范围为 2-5 毫米。

In the biological area developed a world-leading levels of biological air purification pad, biological Penetrant, chitin textiles

在生物领域开发出了具世界领先水平的生物空气净化垫、生物渗透剂、甲壳素纺织

However, very few data exist on the production and purification of Lip in Penicillium sp.

由于青霉菌本身的易培养性和生长优势，其LiP具有研究价值。

This research successfully constructed an engineered E. coli, which could express the catalase gene perA from Bacillus stearothermophilus under the control of the tac promoter, then the fermentation condition of engineered E. coli and purification, properties of its produce catalase were studied.

本文成功构建在tac启动子控制下表达嗜热脂肪芽孢杆菌过氧化氢酶基因perA的大肠杆菌工程菌，并对其发酵条件、重组过氧化氢酶的纯化及酶学性质进行了研究。

According to the invention, the percolator avoid waste and purification effect avoid reduce by the exacting percolator replacing time.

按照本发明方法，由于按照驱动空气净化器时的空气污染程度精确地确定过滤器更换时间，过滤器不浪费，且防止空气净化效果的降低。

However, as the name（read－only memory）implies, CD disks cannot be written onorchanged in any way.

然而，正如其名字所指出的那样，CD盘不能写，也不能用任何方式改变其内容。

Galvanizes steel pallet is mainly export which suits standard packing of European Union, the North America. galvanizes steel pallet is suitable to heavy rack. Pallet surface can design plate type, corrugated and the gap form, satisfies the different requirements.

镀锌钢托盘多用于出口，替代木托盘，免薰蒸，符合欧盟、北美各国对出口货物包装材料的法令要求；喷涂钢托盘适用于重载上货架之用，托盘表面根据需要制作成平板状、波纹状及间隔形式，满足不同的使用要求。