In this paper, a new cyclic model of quantum Carnot heat engine whose working substance consists of non-interacting extreme relativistic particles confined to an infinite potential well, is set up.
本文建立一种量子卡诺热机循环模型，该量子卡诺热机循环以一维无限深势阱中极端相对论粒子系统为工质。
This paper expounds on its working principles the effects of non-normal USES of lithium batteries, and explains the areas of errors that people misuse them.
依据锂离子电池的工作原理，阐述了非正常使用对锂离子电池的影响，解读了人们在使用锂离子电池时所产生的一些误区。
The paper introduces the technological process of nonwoven production, analyses the working condition of non deflecting roll calender, and also studies the structural design of non deflecting roll.
文章介绍了纺粘法生产非织造布的工艺流程，分析了均匀轧辊热轧机的工作情况，对均匀热轧辊的结构原理作了相应的探。
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