离子交换

The anion-exchange ion chromatography is suitable for the separation and analysis of alkaline earth metal ions, transition metal ions and rare earth metal ions.

综述了离子色谱法分析金属离子的研究进展，对目前应用于分析金属离子的阳离子交换IC、阴离子交换IC和螯合离子色谱进行了评述。

Sterilization in desinfection chamber and subcultures of collections ;②confection of fermentation media and sterilization technics;③influences to objective produce altering the fermentable conditions ,including the examinations of the parameters about remnant sugar、pH、growth of microorganisms and produce;④separations and distillations of objective produces in fermented broth,the distillation technics of filter press and ion exchange;⑤brief and operation techniques of automatic fermentation tank.

课程内容：本课程主要实验内容：①微生物无菌室灭菌及种子扩大培养技术；②微生物发酵培养基及配制及灭菌技术；③微生物发酵及发酵条件的改变对目的产物代谢的影响，包括菌体生长、pH、残糖和产物等发酵过程中各项参数的检测；④发酵液中目的产物的分离及提纯，板框压滤离子交换提取技术；⑤自动发酵罐的简介及操作技术。

On the Hydrolysis of Penicillin G by Immobilised Penicillin Acylase.

等。固定化酶--离子交换组合系统进行青霉素G水解生

The main products are economical passenger cars, the protection of Central Steel, the ram sheath, hydraulic motors, piezoelectric crystal, ion-exchange resins, such as yin and yang in more than 100 varieties.

主要产品有经济型乘用车、钢塑保护环、滑枕护套、液压马达、压电水晶、阴阳离子交换树脂等100多个品种。

One significant use of ion exchange treatment is for chromate contaminated blowdown from recirculating cooling water systems.

离子交换法的一个重要应用是用来处理铬酸盐污染的循环冷却水系统的排污。

Heating, ethanol precipitation, and ion-exchange chromatographies had been carried out to isolate the protein with specific stimulating activity from newborn calf liver, and [(3)H]thymidine deoxyribose/bromodeoxyuridine incorporation and carboxyfluorescein diacetate succinimidyl ester-based proliferation assay to determine the bioactivity in vitro and in vivo.

通过用加热、乙醇沉淀、离子交换层析等方法来分离新生小牛肝脏中含有特殊刺激活性的蛋白和用胸嘧啶脱氧核糖/溴脱氧尿苷联合羧基荧光素双乙酸钠琥珀酸酯为基础的扩增分析其体内和体外的生物活性。

RESULTS:The peptide purified from Guangxi agkitrodon acutus venom strongly inhibited the proliferation of human ovarian carcimona cell,human gastric canc...

应用凝胶过滤和离子交换层析方法可以从广西五步蛇毒中分离出单一组分的小分子肽，其对多种肿瘤细胞的生长有抑制作用。

It was demonstrated that thecatalysts incorporated into surface functional groups of brown coal arevery effective.

结果表明，通过与褐煤中表面官能团的离子交换添加到煤中的催化剂具有很高的催化效果。

The methods of preparing stable boehmite sol and zirconium hydroxide sol by anionic exchange method using inorganic compounds as raw materials were investigated in this dissertation,and forming-membrane capability of the sols were also investigated on the base of the it.

本论文主要研究了以无机盐为原料，采用离子交换溶胶-凝胶法制备稳定勃姆石溶胶和氢氧化锆溶胶的方法，并在此基础上对溶胶的成膜性进行研究。

The results showed that ZSM-5 zeolite sieve could be synthesized using aqueous ammonia and EDA as template agent.

以离子交换的方式制备了Ni-ZSM-5和Pb-ZSM-5等催化剂，同时以XRD和IR为手段，对分别以氨水和乙二胺为模板剂合成的ZSM-5沸石分子筛的结构进行了比较。

With Death guitarist Schuldiner adopting vocal duties, the band made a major impact on the scene.

随着死亡的吉他手Schuldiner接受主唱的职务，乐队在现实中树立了重要的影响。

But he could still end up breakfasting on Swiss-government issue muesli because all six are accused of nicking around 45 million pounds they should have paid to FIFA.

不过他最后仍有可能沦为瑞士政府&议事餐桌&上的一道早餐，因为这所有六个人都被指控把本应支付给国际足联的大约4500万英镑骗了个精光。