将膨胀流体注入浆状物样品，以当对浆状物样品降压时充分产生微泡。
An expansion fluid is injected into the slurry sample sufficient to create microbubbles when the slurry sample is depressurized.
同时，对经透平膨胀机膨胀降压后天然气的温度计算方法也进行了分析和改进，为充分利用天然气降压过程产生的冷能提供了量的基础。
Analyzed and improved is the calculation method of gas temperature after depressurization through expansion, which provides a quantity basis for taking full advantage of cold energy.
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