查询词典 purification

ObjectiveTo set up a new technique for purification of total alkaloids from embry of Nelumbo nucifera gaertn seed by macroporous resin.

目的开发一种新技术从莲子心中分离纯化莲心总碱。

Firstly, the method of isolation, culture and purification of neonate rat Schwann cells in vitro was investigated.

首先，探讨新生鼠雪旺细胞体外分离培养和纯化的方法。

The preparation procedure is as following: purification and assay for purity of neptunium, preparation of neptunium nitrate solution, making solution for ageing, subpacking the solution to ampoules, fire sealing, weighing for earch ampoule, homogeneity test, stability test, and certification.

以工厂的氧化镎作原料，经原料提纯→纯度鉴定→配成硝酸溶液→放置陈化→分装→火封→称重→均匀性检验→稳定性检验，最后进行定值。

Are fish, shrimp, crab farming and biological water purification treatment nitrobacteria good vector.

是鱼、虾、蟹养殖用水净化处理和生物硝化菌的良好载体。

Purification and analysis of AT-toxin Firstly, we detected the components of protein and nonprotein, the results showed that AT-toxin is a nonprotein. We have carried out the liquid chromatogram analysis of the toxin. The result indicates that there are many components in this toxin and there are four kinds of components which content is more than others. At last, we have the experiment of separating the cpmpositions with the silica gel and we get four components which are active.

AT-毒素的初步纯化与分析为确定AT-毒素的组分，首先对毒素的蛋白质和非蛋白质组分的毒性进行了测定，结果表明：AT-毒素活性组分为非蛋白质；对毒素进行硅胶G薄层层析，初步分离得到10种组分，其中四种组分具有活性：组分Ⅵ、Ⅶ、Ⅷ、Ⅸ，初步说明了该毒素含有多种组分；进一步对该毒素进行液相色谱分析，也发现该毒素含多种组分，其中四种组分峰高和峰面积较大，含量较高；其致毒活性可能是由这些组分协同作用的结果，它们之间可能存在正协同或负协同作用关系。

The purification and character of spectrum of red protein R(subscript x of Nostoc flagelliforme was studied in the paper.

研究发菜中一种红色蛋白R(下标 x的分离纯化及其光谱学性质。

Through four steps of column chromatography and electrophoresis purification, one kind of nuclease was obtained.

样品依次通过四步柱层析，PAGE-DNA功能胶纯化得到电泳纯的双胸蚓核酸酶样蛋白质纯品，命名为DNase E。2。

The firm said the new patent -'Process for isolation and purification of Xanthophyll crystals from plant oleoresin'- will allow for the "efficient" and "quality" production of lutein.

该公司表示，新的专利-'进程的分离与纯化叶黄素晶体从植物松脂'-将允许为"效率"和"质"的生产叶黄素。

The extraction, purification and physicochemical characterization of polysaccharides in Opuntia were studied. The structural analysis and antineoplastic activities of the polysaccharides also been examined.

本文主要研究了仙人掌多糖的提取工艺的优化、分离纯化、理化性质及结构分析、抗肿瘤等方面的内容。

Separation and purification of microorganism, advanced wastewater treatment technology, RO technology (especially for various anti-pollution and low-press reverse osmose membrane), as well as other new physical and chemical sewage treatment technology, phosphorus and nitrogen desorbed from living waste technology, new type of electrochemistry sewage treatment technology and special electrode development.

污水生化处理高效微生物分离提纯，污水深度处理技术，膜过滤技术（特别是各种高通量抗污染低压反渗透膜），以及其它新的污染物高去除率污水物理化学处理技术，生活污水磷、氮高效脱除技术，新型电化学污水处理技术与特殊电极研发。

Listen,point and check your answers.

听，指出并且检查你的答案。

Warming needle is one of effective treatment methods for knee arthralgia aggravated by cold,and it is simple,safety,so it should be developed in clinical acupuncture and moxibustion extensively.

但以本院科针灸门诊在2005年1月—2006年6月期间共收治膝痛患者100余例，经过临床的诊断后，其中施以温针治疗的48例，疗效显著，报道如下。1临床资料本组病例48