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。

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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。

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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。

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Carbon monoxide is measured in parts per million in a normal atmosphere.

VOA: special.2010.02.02

And one of the indications then is that in order to get that amount of snow, it's got to be warmer than normal so that the atmosphere can hold enough moisture.

NPR: Can Climate Change Explain Odd Weather?

The resulting debate encompassed different interpretations of Islam, issues of portrayal, language, religious tolerance, the right to freedom of speech, the character of the Arab media and more in a heightened atmosphere which cut through the normal professional courtesies.

BBC: newswatch banner

The World Cup is such a special event that fans are happy to arrive at the stadium hours early to drink in the atmosphere - a contrast to normal games, where people go to the match after work or following Sunday lunch.

BBC: Is Brazil ready to host the 2014 World Cup?