A novel dust proofing agent for dyestuff was prepared by the addition of industrial fatty acid and glycol epoxide, which could produce a kind of emulsor.
采用工业脂肪酸和环氧乙烷加成法研制成乳化剂，进而获得一种新型染料防尘剂。
The study of the working principle and structure parameters of PS-Series coal slurry preprocessor composed of water-jetting emulsor and tube mixer was main described in the paper.
重点阐述水喷射式乳化器和管道混合器组成的PS系列煤浆预处理器工作原理、结构参数的研究，并介绍了该系列设备的规格和使用情况。
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