The relation of interior temperature and exterior temperature of XLPE cable joint is studied in lab based on structure analyzing of XLPE cable and cable joint.

在分析交联聚乙烯电力电缆及连接头结构基础上对交联聚乙烯电缆中间接头内外部温度关系进行了实验研究。

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Effect of different carbon, nitrogen sources, pH value and culture temperature on mycelia growth of pleurotus ostreatus 14 were studied in Lab in this paper.

通过室内实验，研究了培养基中的碳源、氮源、酸碱度和培养温度对平菇14号菌丝生长的影响。

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The influences of basic resin, nucleating agents and its content, other agents, extrusion temperature and rotating velocity on the transparency of PP are studied by lab experiment.

小试研究了基础树脂、成核剂种类与含量、其它助剂及加工过程中挤出机温度与转速对PP透明性的影响。

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On the other hand, temperature, volume and pressure are variables that are much easier in the lab to keep constant.

另一方面，温度，体积和压强,在实验室中比较容易保持恒定。

麻省理工公开课 - 热力学与动力学课程节选