Acid and alkali are the basic concept of chemistry.
酸和碱是化学的基本概念。
Using fly ash, tan waste (TW) and metakaolin as basic ingredients, KOH as alkali activator, a series of fly ash-based geopolymers were synthesized.
以粉煤灰、制革废水污泥及偏高岭土为主要原料，氢氧化钾为碱激活剂合成了一系列地聚合物材料。
The basic principle, choice and control of process condition of treatment of electroplating effluent containing cyanide by chlorine-alkali method are discussed.
论述了氯碱法处理含氰电镀废水的基本原理、工艺条件的选择和调控。
The basic theory of acid-alkali titration is dissertated in this article, which established the theory base for the researching of this apparatus.
课题论述了酸碱滴定法的基本原理，为本仪器的研究奠定了理论基础。
Pure alkali is important basic chemical material, extensively applied to the industry, such as metallurgy, chemical industry, textile, papermaking, medicine, food, etc.
纯碱是广泛应用于冶金、化工、纺织、造纸、医药、食品等工业的重要的基础化工原料。
Black liquor is the waste liquor from paper mill by basic process. It consists of many chemical components, such as alkali, alkaline lignin and surfactant.
黑液是碱法造纸的工业废液，黑液中含有碱、碱木素和表面活性剂等多种化学成分。
Effects of different of reagents and its catalyst oil ratio, concentration of alkali liquid on removal of basic nitrogen were investigated.
考察了试剂及剂油比、碱洗浓度对碱性氮脱除率的影响。
In order to reduce the reagent cost of the basic lead-smelting process, a series of experiments for the recovery of alkali and silver from the slag was carried out.
为了降低碱性炼铅法的试剂成本，对其碱浮渣的回收利用工艺进行了初步试验研究。
In order to reduce the reagent cost of the basic lead-smelting process, a series of experiments for the recovery of alkali and silver from the slag was carried out.
为了降低碱性炼铅法的试剂成本，对其碱浮渣的回收利用工艺进行了初步试验研究。
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