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 methods of purification for naphthenic acid consist of physical method and chemical method.
环烷酸的提纯方法主要有物理方法和化学方法。
The functional character of dispersed pancreatic acini prepared by the method including chemical digestion, mechanical isolation and centrifugal purification was studied.
作者观察了采用化学消化、机械分离和离心提纯法制备的胰腺腺泡的机能。
The invention discloses a method for continuously rectifying and purifying the lactide with high yield rate, which belongs to the field of chemical and industrial rectification and purification.
本发明公开了一种高收率连续化精馏提纯丙交酯的方法，属于化工精馏提纯领域。
The invention relates to a purification method of phosphoric acid, which belongs to the technical field of phosphorous chemical industry.
本发明涉及一种磷酸的净化方法，属于磷化工技术领域。
Ethylene purification technology is an effective approach (method) for comprehensive resources utilization of refining and chemical integration.
乙烯提浓技术是油化一体化资源综合利用的有效途径(方法)。
Ethylene purification technology is an effective approach (method) for comprehensive resources utilization of refining and chemical integration.
乙烯提浓技术是油化一体化资源综合利用的有效途径(方法)。
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