实验研究了温度、有效氯含量、含盐量等因素对次氯酸钠溶液氧化性的影响。
The influences of such factors as temperature, active chlorine content, salt content on the(oxidizing) property of sodium hypochlorite solution are studied by experiments.
当液氧蒸发时，产生的气体温度很低，并比空气轻。
When liquid oxygen evaporates the gas produced is very cold and so is much heavier than air.
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