查询词典 purification

The aim is to seek more effectively new method of separation and purification for rubidium salts, so as to provide basic scientific data for further application study.

本文作为国家自然科学基金资助项目（20171032）的一个组成部分，着重开展了铷盐在水溶液和非水溶液中的等温平衡互溶度、物化性质、相态结构与组成以及热力学性质等方面的研究，以期找到分离和纯化铷盐的新方法，为应用研究打下基础，并积累必备的基础科学数据。

Objective To establish the methods for purification, identification and determination of rutin reference substance.

目的制备高纯度芦丁的目的是用作对照品或满足其它特殊需要的试剂。

ObjectiveTo establish the methods for purification, identification and determination of rutin reference substance.

目的制备高纯度芦丁的目的是用作对照品或满足其它特殊需要的试剂。

The second pillar of Islam is the religious duty to perform five prescribed daily prayers or salat. All adult Muslims are supposed to perform five prayers, preceded by ritual cleansing or purification of the body at different intervals of the day.

第二个支柱，是伊斯兰教的宗教义务演出五明每天祈祷礼拜，所有的成年穆斯林，是为了履行五个祈祷，并先举行祭祀清洗或净化身体，在不同时间间隔的一天。

Our data suggested the alga could produce abundant EPS under high salinity and nutrient limitation in saltworks, and benefited the formation and stabilization of algal mat, and thus promoted the prevention of brine permeation and the brine purification.

这表明高盐和氮磷营养限制促进盐田中咖啡双眉藻产生更多的EPS，有利于盐田藻垫的形成和稳定，进而促进盐田藻垫防渗和净化卤水的作用。

The central issue of this paper is the study of DNA-binding proteins interacted with DNA replication origin. The paper presented here includes there parts which are related as well as independent of each other:(1). Identification and partially purification of DNA-binding proteins interacted with eukaryotic DNA replication origin;(2) Specific binding of Hela cell proteins to Samian Virus 40 replication origin with the cruciform structure (Stem-Loop structure);(3) The study of DNA-binding protein as a tumor marker.

本文对DNA结合蛋白的研究主要包括三个即有关联，又相对独立的方面：（1）猿猴肾脏细胞复制起始区DNA结合蛋白的鉴定和部分纯化；（2）Hela细胞中DNA结合蛋白对含茎环结构的SV40复制起始区DNA的特异性结合；（3）DNA结合蛋白做为肿瘤征兆物的研究。

The experiment collecting adult soil as swatch, separate and purification sample median 'Bifidobactirium.

本实验采集成人粪便作为样本，分离和纯化样本中的双歧杆菌。

And sanitary or environmental engineering, which involves the study of water supply, purification , and sewer systems.

以及环境卫生或环保工程——研究供水系统、水净化系统与排污系统等。

Tseng resource, The extraction, purification and determination of saponins in Ilex Kudingcha C.J.Tseng were firstly researched, a RP-HPLC method was established for determination the content of oleanolic acid and ursolic acid in Ilex Kudingcha CJTseng simultaneously. At the same time, the technical parameters of sapogenin extraction sapogenin and the solvent system of HPTLC for separation the sapogenins was seeked. The main results are as follows:1. A spectrophotometric method was established for quantitative determination the total content of saponins in Ilex Kudingcha C.J.

为了推进苦丁茶化学成分生物活性研究，挖掘该植物的药用价值和为其资源的综合开发应用提供科学依据，本文研究苦丁茶皂苷的检测方法、探讨苦丁茶皂苷的提取纯化条件、建立HPLC法同时检测熊果酸和齐墩果酸的含量、摸索苦丁茶皂苷元的提取工艺参数并确定苦丁茶皂苷元薄层层析的溶剂体系。

In this paper ,the decolorization and purification technology of tea saponin is studied.

中文摘要：本文探讨了粗制茶皂素的脱色和纯化工艺。

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。