查询词典 alkali

Saline and alkali land is also a kind of precious land resources.

土地盐碱化是人类面临的一个世界性问题。

How can take from content of alkali in cement?

如何降低水泥中碱的含量？

Ketone and the alkali four series, a total of more than 100 kinds of medicine.

酮类和碱类四大系列，共计100多种医药。

And there will be alkali scale in the reservoir of high temperature and salinity.

从理论上来说，表面活性剂/聚合物驱应该具有较高的驱油效果。

It not only results in further pollution easily, but also wastes a lot of arsenic and alkali.

这不仅容易引起二次污染，而且浪费了其中大量的碱和砷。

The remaining oil is treated with an alkali to remove free fatty acids.

剩下的油在碱的作用下除去自由的脂肪酸。

When produce dense sodium carbonate with the material of natural alkali,a plenty of alkaline scrap material or alkaline mud which can alkalify the earth ,pollute the air and environment is manufactured ,using the scrap material by calcine with a large movable kiln is expensive.

在以天然碱为原料生产重质纯碱时，伴生大量碱性废渣，此废渣堆放或坑埋，碱化土壤，污染环境和空气，若用大型回转窑煅烧处理，成本高不经济。

Compared with coal, the content of alkali metals and alkaline earth metals in biomass ash is very high.

与煤相比，生物质灰分中碱金属和碱土金属含量很高。

CALORIMETRIC TITRATION FOR COORDINATION REACTION OF 2, 3-BENZO-8, 11, 15-TRIMETHYL-18-CROWN-6 WITH ALKALI AND ALKALINE EARTH METAL IONS

若干碱金属及碱土金属离子与2，3-苯并-8，11，15-三甲基-18-冠-6配位反应的量热滴定研究

Arenedisulfonates have much stronger coordination ability to alkali, alkaline earth than to transition metal ions.

芳烃二磺酸根离子与碱金属离子和碱土金属离子的配位能力比过渡金属离子强。

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