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。
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