The water goes through three stages of purification.

这水经过 3 个步骤的净化。

The method was established for purification of diflubenzuron by crystal technique with mixed solvents.

本文论述了利用混溶剂——晶法提纯除虫脲的分析技术。

Synthetic peptide purification. Are isocratic elution and volume overload options to improve process economics?

成蛋白提纯-无梯度洗脱和容量超负荷的取舍能提高工艺经济性？

A stepwise procedure for isolation and purification of lactoperoxidase by ultrafiltration and ion exchange chromatography was investigated.

采用超滤-离子交换色谱分步洗脱法,对牛初乳中的乳过氧化物酶进行了分离和纯化。

Waste beer yeast polypeptides were made from waste beer yeast by bromidic hydrolyzation, separation, purification and dryness etc.

以啤酒废酵母为原料,经菠萝蛋白酶酶解、分离、纯化、干燥等工序制得啤酒废酵母活性肽。

Methods A combination of euglobulin precipitation, ion-exchange chromatography,(NH4)2SO4 precipitation and affinity chromatography was used in the process of purification.

方法采用优球蛋白沉淀、离子交换色谱、(NH4)2SO4沉淀和亲和色谱法进行纯化。

Relative activity was 144.83.And recovery was 38.66%.Conclusion:The industrial feature was reflected in the purification process of thrombolysin.

聚丙烯酰胺凝考马斯蓝染色法显示最终纯化产物为一条染色带，纯化倍数为144.83，回收率为38.66％。

The source and functioning as well as the separation, purification, identification and the effect of host sear-ching kairomone were studied.

本文研究了该蜂在寄主定位过程中,搜索利它素的存在部位、作用方式及其分离、提纯、鉴定,以及初步应用效果。

The recovered hydrogenate has more impurity, so a new purification method was usedwhichsettl-ed the tail peak problem in finished Doxycycline Hyclate.

采用向盐酸多西环素精制母液中加5-磺基水杨酸和水的方法,从精制母液中回收出氢化物,并确定了最佳配比。

The source and damage of manganiferous wastewater were introduced. The control technology, sewage purification means and water resources protection were discussed.

摘要介绍了含锰废水的来源与危害，对其治理技术、污水净化手段以及水资源保护等方面进行了探讨。

Results The reserved rate of aphnetin was over 96 %,the ability of purification was strong and the ultrafiltrate was very pellucid.

果用超滤技术纯化祖师麻乙醇提取液,祖师麻甲素保留率可达96%以上,滤液澄明度好,除杂力度较大。

Objective:To establish a simple and effective procedure for purification of chymopapain and study about its effect on nucleus pulposus in vitro.

建立简单有效的木瓜凝乳蛋白酶分离纯化方法,并研究其体外溶核作用。

By controlling reaction condition in different steps and hydrogenated with Raney Ni,most of components were converted into industrial grade p-menthane without purification.

实施分阶段控制反应条件，用雷尼镍催化，使大多数组分均加氢成对孟烷，无需提纯，即达到工业级的要求。

With adoption of post processing of vacuum pneumatic conveying,the conveying cooling and purification of tripolycyanamide can be fulfilled at the same time,which t...

改用吸送式气力输送后处理工艺后,既能输送,又能冷却、提纯三聚氰胺,实现自动化包装,并彻底改善工作环境。

Active placentin from lamb placenta was extracted by modern technology of biological engineering, the preparation technology is simple and needed no specific purification process.

摘要以健康羊胎盘为原料，采用现代生物工程技术制备活化羊胎素，制备工艺简单，无需特殊提纯手段。

According to the features of Guizhou's resource,the technology of industriaI glyc-erine by fermentation from Canna Edulis Ker starch and purification are studied in this article.

根据贵州省资源特点，采用以芭蕉芋淀粉为原料，经发酵等化工工艺过程制取了精制工业甘油，并对其化工工艺过程进行了研究。

Widely used in air purification for hospital mortuary, zootomy room, police corpse inspection room etc. Low sorption pressure with high speed, complete and fast sorption relief.

广泛应用在各大医院的太平间，动物解剖室，各公安机关尸检室的空气净化。吸附阻力小，速度快，解吸迅速，彻底。

Objective To develop a simple and effective m etho d for the separation and purification of chymopapain and study the zymological p roperty of the enzyme.

目的建立简单有效的木瓜凝乳蛋白酶分离纯化方法,并研究其酶学性质。方法采用离子交换层析直接将木瓜凝乳蛋白酶分离纯化,通过温度、葡萄糖、盐酸胍及其他因素研究酶学性质。

The purpose of polymethylene polyphenyl polyamines purification system is to get rid of anilin and water.The stripping tower and drying tower are two main separation units in the system.

多胺精制系统的任务是脱除粗多胺中的苯胺和水,针对现有工艺存在的精制效果差、消耗高等问题,分别对影响汽提塔和干燥塔的因素进行了模拟分析,提出了相应的改进措施。