This paper optimizes according to the principle of orthogonal experiment the process conditions for directly producing sodium bicarbonate using natural brine and ammonium bicarbonate by one step.
本文根据正交实验原理，对天然卤水与碳酸氢铵一步反应直接生产小苏打的工艺条件进行优化。
The principle, process and conditions of producing lead series products from Pb - contained waste slag, which is from TV tube plant, are introduced.
介绍了利用显像管玻壳厂含铅废渣生产铅系产品的原理、操作工艺及条件。
The paper slates the conditions, damage and prevention of pollution in the process of producing in ceramics.
本文主要阐述了陶瓷工厂在生产过程中的污染、危害及其防治的问题。
This paper discusses the process of producing petroleum resin and its parameters such as materials and technical conditions and so on.
本文叙述了石油树脂的生产过程及原料，工艺条件等树脂参数。
The process conditions for producing high purity DME of aerosol grade by catalytic dehydration of methanol in gas phase were studied and tested by using alumina as a catalyst.
以甲醇为原料，氧化铝为催化剂，对甲醇气相催化脱水制气雾剂级高纯二甲醚的工艺条件进行了试验研究。
The traditional process of producing Al-Sc alloy (contained 2% of Sc) is not fit for industrial production because of its high cost and complicated conditions.
本文综述了国内外铝钪合金的研究现状，介绍了钪在铝合金中的作用。
The traditional process of producing Al-Sc alloy (contained 2% of Sc) is not fit for industrial production because of its high cost and complicated conditions.
本文综述了国内外铝钪合金的研究现状，介绍了钪在铝合金中的作用。
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