Low temperature bleaching of wool with hydrogen peroxide using katalase as catalyst under acid condition has been studied as well as the related factors influencing it.

研究了在酸性条件下，以酶为催化剂，羊毛双氧水低温漂白工艺及相关因素的影响。

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By applying different pre-pressure, the speed, torque and temperature of the ultrasonic motor in low and high vacuum have been tested and compared with the normal condition.

施加不同的预压力在低、高真空环境下对超声电机的转速、转矩及温升进行测量并与常态下相比较。

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Combined with Yangdu home garden, how to the technology measures for preventing crack appearance of large volume pumping concrete under winter low temperature condition is introduced.

介绍了洋都家园基础大体积泵送混凝土在冬季低温条件下，如何防止裂缝出现的技术措施。

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Let's say we start from some V1 and p1 here, so high pressure, small volume and we end up with a high volume low pressure, under constant temperature condition.

例如我们要从压强比较高，体积比较小V1，p1出发,到达低压强，大体积的末态，过程中温度不变。

麻省理工公开课 - 热力学与动力学课程节选