Papermaking is generally divided into two processes pulp preparation and paper production.

造纸生产分为备浆及纸机两个过程。

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The properties, uses, markets and recent development of chlorinated polypropylene and production processes are reviewed in this paper.

介绍了氯化聚丙烯的性能、用途、制备方法和国内外生产与市场状况。

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In this paper, various processes of potassium sulfate production by Glauber's salt method was simulated by software of PHEES Phase Equilibrium of Electrol.

本文利用PHEES软件，对各种芒硝法工艺路线进行了稳态模拟，给出了理论转化率和理论能耗之间的定量指标。

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Dioxin, though, is usually formed as a byproduct in processes such as copper smelting, paper-production and the making of pesticides and chlorine-containing organic chemicals.

CNN: THE GREAT DIOXIN SCARE