An in-situ method for regenerating a deactivated catalyst can remove a calcium sulfate layer masking active catalyst sites.
一种对失活的催化剂进行原位再生的方法，该方法能除去掩蔽催化剂位点的硫酸钙层。
Two parts were included in this study, Microencapsulation of rose perfume with urea-formaldehyde resin wall were prepared by in-situ method in the first part.
本文研究工作分为两部分，第一部分是用原位聚合法以脲醛树脂为壁材制备缓释型香精微胶囊。
Two parts were included in this study, Microencapsulation of rose perfume with urea-formaldehyde resin wall were prepared by in-situ method in the first part.
本文研究工作分为两部分，第一部分是用原位聚合法以脲醛树脂为壁材制备缓释型香精微胶囊。
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