The effect of ignition property on diffusion layer in normal ambient temperature was examined.
研究了几个常用的环境温度下扩散层对点火性能的影响。
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。
If the ambient temperature is too low, then when the instrument get warm (rising to normal temperature), humidified vapor will be formed inside, which will damage the circuit board.
如果温度过低，当仪器温度升高（至常温）时，仪器内会形成潮气，这样会毁坏电路板；
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