采用铜粉、硫粉、硫化钾及3-甲基吡啶在常湿、常温下直接合成了标题化合物。
The title compound has been obtained by the reaction of copper powder with sulfur powder, potassium sulfide and 3-methylpyridine at ambient temperature and normal atmosphere.
遗传改良的传统方法，如传统诱变和接合作用可用于提高微生物培养物的质量。
Traditional methods of genetic improvement such as classical mutagenesis and conjugation can be applied to improve the quality of microbial cultures.
为了测试YQRFSR是否是通过对身体本身的阿片起作用，研究者对其它的动物注射一种能接合本身阿片受体导致痉挛的化合物。
To test whether YQRFSR worked via the body's natural opiate pathway, the team injected other animals with a compound known to cause spasms by tickling natural opiate receptors.
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