查询词典 alkali

This text through to various treatment include chromium, last cyanogens and alkali waste water craft comparison of the method sour, treatment craft of choosing economy to be effective separately; Adopt alkaline chlorine France punish, include cyanogens waste water, chemistry reduce, take place, deal with, include chromium waste water, in handle course among to waste water sour alkaline go on regulate, design one small-scale sewage treatment plant, demand to reach second in world and handle the standard.

本文通过对各种处理含铬、含氰及酸碱废水工艺方法的比较，分别选择经济有效的处理工艺；采用碱性氯化法处理含氰废水，化学还原发处理含铬废水，在处理过程中对废水的酸碱性进行调节，并设计一座小型的污水处理厂，要求达到国际二级处理标准。

After a supplementary alkaline saponification treatment, the rice oil alkali purification waste was made into aqueous solution for further electro-hydrogenation.

碱法精炼米糠油的下脚料——皂脚，经补充皂化，配成水溶液，进行电解还原处理后，作为单一油脂原料，制成了可供使用的肥皂。

In the second chapter, twelve compounds constructed by arenedisulfonates and metal ions such as alkali, alkaline earth and transition metal ions have been synthesized and structurally characterized.

第二章描述了在水溶液条件下芳烃二磺酸根离子与碱金属离子、碱土金属离子和过渡金属离子形成的十二个化合物的结构。

The complexation properties of them with alkali and alkaline earth metal ions have been investigated by means of visible spectra in solns.

方法简便，产率较高，借助于可见光谱测定，考查了它们在溶液中与碱金属和碱士金属盐等的配位性能。

In addition, a series of analyses about theoretical principles of HMI removal by WBAER from DK with alkali metals, alkaline-earth metals and anions at high concentration and regeneration of WBAER, have been analyzed.

同时本文还对弱碱性阴离子交换树脂从高背景的常规阳离子和阴离子中有选择性地去除饮用水中微量重金属离子及其再生的机理进行了一定的探讨。

By means of static and dynamic experiments, lots of research on the effect of micro-quantity heavy metal ions removal by weakly basic anion exchange resins from drinking water with alkali metals, alkaline-earth metals and anions at high concentration, has been done.

本文采用静态和动态两种试验方法，对弱碱性阴离子交换树脂在碱金属、碱土金属离子以及阴离子相对较高浓度的背景下去除饮用水中微量重金属离子（以Hg2+为研究处理对象）的效果进行了大量试验研究。

In a word, WBAER can effectively remove micro-quantity HMI from DK with alkali metals, alkaline-earth metals and anions at high concentration.

最后得出结论：应用弱碱性阴离子交换树脂能在碱金属、碱土金属离子以及阴离子相对较高浓度的背景下有效地去除饮用水中的微量重金属离子。

The endohedral complexes formed by D5h C50 and H, alkali metals, and alkaline-earth metals, as well as charged states of the endohedral complexes, were theoretically investigated using B3LYP/6-31G method.

采用密度泛函理论B3LYP/6-31G方法，计算D5h C50富勒烯包合H原子，碱金属原子和碱土金属原子生成的内嵌衍生物及其阳离子。

ABSTRACT Chemical corrosion mechanism of concrete in Qinghai salt lake is briefly reviewed, and bittern resisting behavior of high alumina cement concrete, magnesium oxychloride cement concrete, alkali-activated slag concrete, ferrialuminate cement concrete and polymer impregnated concrete are also reported in the paper.

摘 要 简述了普通水泥混凝土在盐湖环境中的受腐蚀机理﹔报道了高铝水泥、氯氧镁水泥、铁铝酸盐水泥、碱矿渣和聚合物浸渍混凝土的抗盐卤腐蚀行为﹔对硅灰高密实混凝土的抗盐卤腐蚀机理进行了详细讨论，认为改善孔结构是获取混凝土高抗腐蚀性的有效途径。

High-purity nano-crystal Mg2 powder was prepared, using self-made high-purity MgSO4 and mixed alkali solution of ammonia water and NaOH liquor as starting materials.

中文摘要：以自制的高纯硫酸镁和由氨水、氢氧化钠组成的复合碱液为原料制备高纯纳米氢氧化镁粉体。

However, as the name（read－only memory）implies, CD disks cannot be written onorchanged in any way.

然而，正如其名字所指出的那样，CD盘不能写，也不能用任何方式改变其内容。

Galvanizes steel pallet is mainly export which suits standard packing of European Union, the North America. galvanizes steel pallet is suitable to heavy rack. Pallet surface can design plate type, corrugated and the gap form, satisfies the different requirements.

镀锌钢托盘多用于出口，替代木托盘，免薰蒸，符合欧盟、北美各国对出口货物包装材料的法令要求；喷涂钢托盘适用于重载上货架之用，托盘表面根据需要制作成平板状、波纹状及间隔形式，满足不同的使用要求。