Based on different physical and chemical properties of components in synthetic rod, a new purification process for synthetic diamond by gas phase oxidation method is proposed.
根据人造金刚石合成棒中各组分不同的物理、化学性质，提出了一种采用气相氧化法提纯人造金刚石的新工艺。
The present invention relates to a heteropoly acid catalyst which is used for the production of methacrylic acid by gas phase oxidation of methacrolein and a preparing method thereof.
本发明涉及一种用于通过异丁烯醛的气相氧化制备甲基丙烯酸的杂多酸催化剂及其制备方法。
In the method of air phase oxidation the mixed gas that boiling 1,2,4,5-tetramethyl benzene is combined with air is carried into oxidation reactor and reacts and then product gas is cooled.
气相氧化法是将空气与汽化后的均四甲苯混合进入含有催化剂的氧化反应器进行氧化反应，反应产物经换热冷却后，均苯四甲酸二酐直接从气相中凝华捕集。
In the method of air phase oxidation the mixed gas that boiling 1,2,4,5-tetramethyl benzene is combined with air is carried into oxidation reactor and reacts and then product gas is cooled.
气相氧化法是将空气与汽化后的均四甲苯混合进入含有催化剂的氧化反应器进行氧化反应，反应产物经换热冷却后，均苯四甲酸二酐直接从气相中凝华捕集。
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