• 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,对天然卤水碳酸氢铵一步反应直接生产小苏打工艺条件进行优化

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  • 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废渣生产产品原理操作工艺条件

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  • 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生产过程中的污染危害及其防治问题。

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  • This paper discusses the process of producing petroleum resin and its parameters such as materials and technical conditions and so on.

    本文叙述石油树脂生产过程原料工艺条件等树脂参数

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  • 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.

    甲醇原料,氧化铝催化剂,甲醇催化脱水气雾剂高纯二甲醚工艺条件进行试验研究

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  • 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合金研究现状,介绍了铝合金中的作用。

    youdao

  • 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合金研究现状,介绍了铝合金中的作用。

    youdao

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