The producing technology ofp - dichlorobenzene especially the catalysts are described in this thesis.
本文介绍了国内外对二 氯苯 生产技术特别是催化剂方面的最新进展.
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The p dichlorobenzene and naphthalene in mothproofing agent was determined by infrared spectroscopy.
用红外光谱法测定了防蛀剂中对二氯苯和萘的含量.
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