This article introduces the new purification process for methanol-methyl ether and the process indexes.
介绍了双甲精制新工艺的流程及工艺指标等。
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 results indicate that the new purification process may obtain highly pure produce of NF3 gas with its purity exceeding 99.9%, which can meet the needs of semiconductor industries.
实验结果表明，新的纯化工艺可获得三氟化氮体积分数大于99.9%的高纯度产品，从而能够满足半导体工业的要求。
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