The process of alkyl naphthalene preparation by alkylation, acylation and direct extraction are also discussed.
讨论了烷基化、酰基化和直接提取制备烷基萘的工艺路线。
By using stibnite direct preparation of sodium pyroantimonate the new process were studied and satisafactory results were obtained.
介绍以辉锑矿为原料直接制备焦锑酸钠的新工艺。
The paper puts forward a new watering regime of jigging process. It makes coal preparation plants with flotation shops adoptable to direct flotation.
本文给出的新的跳汰流程用水制度将会使所有设有浮选的选煤厂能采用直接浮选工艺。
The preparation method solves the problems that the preparation process of the traditional direct flame type solid oxide fuel battery pack is complex and has high cost.
它解决了现有直接火焰型固体氧化物燃料电池组的制备过程复杂，并且成本高的问题。
Direct preparation of grade zinc oxide from zinc oxide ores or zinc bearing materials by using ammonium sulfate and ammonia leaching process has been described.
介绍了硫酸铵氨络合浸出法直接由矿物原料制取等级氧化锌新工艺。
In this paper, the technological process, characters and principle of preparation of Mn-Zn soft magnetic ferrite by direct-method were introduced.
介绍了直接法制备锰锌软磁铁氧体材料的工艺流程、特点及原理。
The process of direct preparation of microcapsules by in situ polymerization of urea-formaldehyde was analyzed.
分析了一步法中脲醛树脂微胶囊的形成过程。
The process of direct preparation of microcapsules by in situ polymerization of urea-formaldehyde was analyzed.
分析了一步法中脲醛树脂微胶囊的形成过程。
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