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.
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 experiments were carried out under water and in normal atmosphere respectively.
实验分别在水下和正常大气条件下进行。
Persons suffering from lack of oxygen should be moved to areas with normal atmosphere.
应当马上把缺氧的人转移到有正常空气的区域。
Persons suffering from the toxic effects of carbon dioxide should be moved to areas with a normal atmosphere.
应当马上把二氧化碳中毒的人转移到有正常空气的区域。
The normal atmosphere contains only about 0.03% carbon dioxide, yet this is sufficient to supply the plants in photosynthesis.
正常的大气仅含0．03％的二氧化碳，然而这足以供应植物进行光合作用。
The normal atmosphere contains only about 0.03% carbon dioxide, yet this is sufficient to supply the plants in photosynthesis.
正常的大气仅含0．03％的二氧化碳，然而这足以供应植物进行光合作用。
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