目的：研究盐酸二甲胺四环素牙科软膏缓释剂治疗牙周炎的临床疗效。
Objective:to study clinical effects of minocycline hydrochloride ointment in treatment of periodontitis.
目的：评价盐酸二甲胺四环素牙周缓释剂对慢性牙周炎的临床疗效。
Objective:to evaluate the diagnostic value of Periocheck chair-side examination and clinical effect of local application of minocycline ointment in the treatment chronic periodontitis.
最后，研究了叔辛胺和环氧氯丙烷反应得到的1-叔辛基-3-羟基氮杂环丁烷盐酸盐的甲磺酰化和硝化的反应性。
At Iast, the possibility of the 1-tert-octyl-3-hydroxyl azetidine's hydrochloric salt methyl-sulfuric-acyl reaction and nitration reaction is studied.
一甲胺盐酸盐；
一甲胺盐酸盐；
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