查询词典 ion exchange

It is also used for regeneration of ion exchange resin, cleanser for electroplate and metal surface.

还用于离子交换树脂的再生以及电镀、金属表面的清洗剂。

Acetone extractives in masson pinegroundwood pulp were isolated and analyzed through the employment of DEAE-Sephadex ion exchange chromatography and GC/MS.

利用DEAE－Sephadex离子交换色谱和气相色谱－质谱联用技术，对马尾松磨木浆丙酮抽出物的化学成分进行了分离及分析。

Combining ion exchange process and silicon hydrolyze process Silicon dioxide mother nuclide with a specific particle size was prepared from sodium silicate through the dropwise technique , then the large particle size , high concentration and stable silica sol was prepared . The stability of silica sol also can be improved by enwrap .

和"单质硅一步溶解法"相结合的方法，用离子交换法制备晶种，并采用滴加工艺制备一定粒径大小的二氧化硅作为母核，在催化剂和分散剂共同作用下水解单质硅的方法使二氧化硅母核颗粒进一步增长成大粒径的二氧化硅颗粒，并另外还采用水溶性高分子对纳米SiO_2粒子进行"原位表面包覆"提高其稳定性，制备了大粒径，高浓度，稳定的纳米硅溶胶。

Ethyl tert-butyl ether can be produced by ethonol and isobutene catalyzed by acidic ion exchange resins.

乙基叔丁基醚一般由乙醇和异丁烯合成，以阳离子交换树脂为催化剂。

METHODS Using a combination of cryoglobulin precipitation,euglobulin precipitation, ion-exchange chromatography,(NH4)2SO4 precipitation and affinity chromatography, the impurity protein of different quality was removed, and the easy and effective condition was selected toincrease the purity and content of C2 in the final product.

方法利用冷球蛋白沉淀、优球蛋白沉淀、离子交换色谱、硫酸铵沉淀和亲和色谱几种方法，将血清中不同性质的杂蛋白除去，选择相对简单且分离效果好的条件，提高终产物中目标蛋白C2的纯度和含量。

The dynamics of the adsorption of ferricyanide with strong base anion ion exchange fiber by static method was dealed with in the paper, and the adsorptive isotherm was plotted, in addition, the adsorptive thermodynamic and kinetic parameter were measured.

采用静态法进行实验，考察了强碱性阴离子交换纤维吸附铁氰络合物的动力学行为，绘制了吸附等温线，测定了吸附过程的热力学和动力学参数。

Commonly used products: Brass wire, including zinc line, polishing lines, filters, ion exchange resins, conductive block, wire mold, insulation board, guide pulley, bearings, water spray nozzles, descaling agent K200, KC12, eye discharge mode discharge brass, discharge chucks, belts as well as a strong magnet, clamp, charge plates, screws, etc. have the cash, and other great products: Tension brushless motor, sets up nose snakes belly, auxiliary sprinkler head, cluster-type sprinkler head Block, Block, and the mother spray, sprinkler head connected·, sprinkler head covered by panels, round round of vice-axis spindle, folder line wheels, power wheels, flow meter, electric plate fixed to the pad, round round, wire wheels, gears, axle win hearts catheter, vertical meter cable, pole lines, grounding line, guide line wheels, micro switch, on the nose, eyes mold base, the wheel seat, rectifier ring, nose mounting insulation, automatic threading catheters, eye mold base assembly, pressure gauge and chuck ER group, eyes fixed mold plate and so have the cash or stock.

常用产品：黄铜线、包锌线、抛光线、过滤器、离子交换树脂、导电块、导丝模、绝缘板、导轮、轴承、喷水嘴、除锈剂K200、KC12、放电眼模、放电铜管、放电夹头、皮带以及强力磁石、夹具、押板、螺丝等均有现货，其他非常用产品：张力马达碳刷、上机头蛇腹套、辅助喷水头、子母型喷水头喷座和母座、喷水头连接铜环、喷水头盖板、出线轮主轴副轴、夹线轮、强力轮、流量计、给电板固定垫、出线轮、引线轮、齿轮、出线轮轴心、导管、垂直度计连接线、极间线、接地线、引导线轮、微动开关、上机头、眼模座、滚轮座、整流环、机头绝缘固定座、、自动穿线导管、眼模座总成、压力表以及ER夹头组、眼模固定板等有现货或备货。

The protein of 14.3kDa was then analyzed by gel filtration in ion exchange chromatography, and the MALDI-TOF/TOF-MS search on the Internet. The results indicate that the protein was hemocyanin subunit.

然后用Sephadex G75凝胶过滤层析和DEAE-52离子交换层析纯化出该过敏原，再经MALDI-TOF/TOF-MS检测，利用Blastz在线分析。

The method of purifying hydrogen peroxide by using an ion exchange resin is popular in modern industry.

离子交换树脂法是由工业级过氧化氢生产电子级过氧化氢采用较多的一种方法。

A new method of producing comparatively pure potassium sulphate from seawater using inartificial zeolite as the medium of ion exchange was especially introduced.

特别介绍了用天然沸石作为离子交换剂，从海水中制备较纯净的硫酸钾新工艺。

In the negative and interrogative forms, of course, this is identical to the non-emphatic forms.

。但是，在否定句或疑问句里，这种带有"do"的方法表达的效果却没有什么强调的意思。

Go down on one's knees;kneel down

屈膝跪下。。。下跪祈祷