离子交换

A novel serine protease with high purity was extracted from the venom of Agkistrodon halys Pallas using monoclonal antibody affinity chromatograpy. This proteas releases bradykinin and has arginine esterase activity without being activated.

用离子交换和亲和层析色谱法从白眉蝮蛇毒中提取出了一种高纯度的具有激肽原酶活性的蛋白水解酶，称为蛇毒激肽原酶，该酶不需活化即可水解激肽原，释放激肽。

The adsorption effect was then verified by cation-exchange chromatography using 1-ml Streamline SP prepacked column and 28-ml Streamline SP self-assembly column.

用l mlSP预装柱及自装28 ml Streamline SP柱进行离子交换层析以验证吸附效果。

A method for determination of rare earths in ores, ion-exchange resins and solution samples has been developed.

本文叙述了稀土提取工艺过程中矿石、离子交换树脂和液体样品中稀土总量的测定方法及其应用。

The precursor was prepared with ammonium zinc phosphate and lithium carbonate as materials via solid state reaction at room temperature.The target product was got after baking the non crystals precursor of the compound.

人们从对有层状结构的磷酸盐性质的研究中获知，大量具有层状结构的磷酸盐化合物能够承受离子交换而且还具有良好的催化性能。

Gas chromatography/mass spectrometry ; interfacial derivatization ; organic acid ; wine

利用离子交换树脂分离、富集葡萄酒中总有机酸并直接在树脂界面上乙酯化，结合气相色谱／质谱法，鉴定并分析了葡萄酒中21种有机酸。

The FTIR and TEM results show that Ce3-sol free from NO3-, CO32- was prepared by ion exchange method without washing, then the CeO2 crystal of high purity was synthesized by oxidation with H2O2 and vacumm drying. The sample obtained had an average diameter of 3 nm and good dispersity.

FTIR、TEM分析表明，离子交换法无需对合成的Ce3溶胶进行洗涤即可去除NO3-、CO32-等阴离子杂质，并用H2O2将该溶胶氧化，经真空干燥可制得粒径分布均匀，平均晶粒尺寸约3 nm，高纯度的CeO2粉体。

Gene therapy ; DNA vaccine ; plasmid ; ion exchange chromatography

基因治疗； DNA疫苗；质粒；离子交换色谱

Purification of tetanus toxin was carried out by chromatography procedures.

用疏水层析和离子交换层析纯化破伤风毒素。

Since 1993, manufacturers also developed a starch sugar "turnkey" projects (including the acid, two of the legal system Tai sugar, liquid glucose, high maltose, etc.), has a contract in Shandong, Henan, Jiangsu, Anhui, and so most of the country Of the starch sugar factory technical guidance, engineering, including plant design, production and installation of the equipment transfer of technology, process design, product quality in line with national standards, the maximum size of Nissan Design 200 tons, and its main production facilities are: bubble-meter tank , Refining machines, liquefied jet, liquefied reaction cans, glycosylated cans, decolorizing cans, vapor-liquid separator, frame filter (frame-style, Van), ion-exchange column, the evaporator (single Xiao, the effect of three-way), as well as various ancillary products pumps, reducer, a heat exchanger, and so on.

自 1993 年以来，厂家又开发了淀粉糖&交钥匙&工程，（包括酸法、双酶法制鈶糖、液体葡萄糖、高麦芽糖等），先后承揽了山东、河南、江苏、安徽等全国大部分省地的淀粉糖厂家的技术指导，工程包括厂房设计、设备的制作及安装技术转让、工艺设计等，产品质量符合国家标准，设计规模最高日产 200 吨，其主要生产设备有：泡米罐、磨浆机、液化喷射器，液化反应罐、糖化罐、脱色罐、汽液分离器、板框过滤机、离子交换柱、蒸发器等，以及各种配套产品泵类、减速机、换热器等。

Methods The concentration effects of stock solution of vaccine by filter membrane with various sizes were compared by detecting HFRS virus antigen by ELISA. The purification effects of ion exchange chromatography and gel filtration were also compared.

用ELISA检测HFBS病毒抗原的方法，比较疫苗原液通过不同孔径滤膜的浓缩效果；比较离子交换和凝胶过滤的纯化效果。

This one mode pays close attention to network credence foundation of the businessman very much.

这一模式非常关注商人的网络信用基础。

Cell morphology of bacterial ghost of Pasteurella multocida was observed by scanning electron microscopy and inactivation ratio was estimated by CFU analysi.

扫描电镜观察多杀性巴氏杆菌细菌幽灵和菌落形成单位评价遗传灭活率。