离子交换

And in the technological processes, such as water treatment process, alumina has been widely used as the adsorbent and catalyst carriors for the absorbability of surface.

在水处理等工业领域中，铝氧化物由于其水合表面的吸附能力而被用做离子交换剂和催化剂载体。

The separation and purification technologies of amino acid,such as: precipitation ,ion-exchange,extraction and membrane separation were reviewed.

总结了氨基酸分离纯化过程中常用的技术，如沉淀法、离子交换法、萃取法和膜分离法，介绍了各种技术的基本原理、特点和发展动态。

The preparation methods of sulfonated coal and factors such as sulfonation time, sulfonation temperature and ratio of acid to coal etc.

试验研究了褐煤制磺化煤的制备方法及磺化温度、磺化时间、酸煤比等因素对产物磺化煤的离子交换活性的影响。

There is another process similar to adsorption called ion exchange , which is also useful.

另外有一种类似于吸附的过程，叫离子交换，也很有用。

So this dissertation will pay attention to the process of separating ALA from fermentation broth.

因此本文主要探讨了用离子交换法分离ALA的工艺。

Anion exchange and solvent extraction are used to separate and purify Re.

Re的分离方法仍然是离子交换和溶剂萃取法。

Due to its exceptional structure, theNASICON-type zirconium phosphates exhibit excellent properties of ionicconduction, low thermal expansion and capability of ion exchange, etc. As aresult, they are one kind of outstanding carriers for antimicrobial, catalysts,nuclear radwaste and so on.

得益于其结构的特殊性，这一类材料具有良好的离子导电、低热膨胀和离子交换等性能，是抗菌剂、催化剂和固定核废料放射性同位素等极好的载体。

The invention has the advantages that: 1 the preparation method is simple, the obtained pine needle essential oil has good quality and higher yield, the yield is increased by 30 to 49 percent or so compared with that of directly adopting the steam distillation; 2 the hydrophilic ionic liquid can be reclaimed and recycled by adopting the ion exchange method, which can not cause the environmental pollution.

本发明的优点：1制备方法简单，得到松针精油质量好，得率较高，比直接采用水蒸气蒸馏法的产率高30～49％左右；2亲水的离子液体可以采用离子交换法回收循环使用，不会造成环境污染。

The results show that HY exchanged with alkali-earth metal cation or rare-earth metal cation has higher stability than that of HY.

结果表明，用碱土金属离子或稀土金属离子交换改性的HY分子筛在烷基化反应中具有比HY更好的稳定性。

The Tatun Coal Electricity Company Gangue Thermal power plant boiler supplies aqueous system used traditional the preparation craft, the processing water source was the ground water ahead of time, namely carries on the pretreatment elimination water through the mechanical filter the suspension, the colloid, the organic matter and so on, through the ionic exchange technology except the dehydration in salty ion, its craft approximately is again as follows

大屯煤电公司矸石热电厂锅炉补给水系统先期采用传统的制备工艺，处理水源为地下水，即通过机械过滤器进行预处理去除水中的悬浮物、胶体、有机物等，再通过离子交换技术除去水中的盐离子，其工艺大致如下

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。