焦耳定律是定量说明传导电流将电能转换为热能的定律。内容是：电流通过导体产生的热量跟电流的二次方成正比，跟导体的电阻成正比，跟通电的时间成正比。焦耳定律数学表达式：Q=I²Rt；对于纯电阻电路可推导出：Q=W=Pt;Q=UIt;Q=(U²/R)t。
焦耳定律
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科学术语翻译词汇-专业科学术语翻译公司 ... 焦耳-汤姆生效应 Joule-Thomson effect 焦耳定律 Joule's law 接触电势contact potential ...
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双语例句原声例句
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绝对满足理想气体状态方程的气体一定满足焦耳定律。
The gas which meets the ideal gas equation absolutely will be bound to meet Joule's law.
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讨论焦耳定律的演示方法，指出常规方法存在的问题，提出改进方法。
The paper discusses demonstrating method of Joule law and points out existing problems in the general procedure as well as the improvement measure.
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利用热力学第一、二定律和玻意耳定律，同时导出了焦耳定律、盖。 吕萨克定律和查理定律。
The three laws including Joule law, Gay-Lussac law and charles law are simultaneously worked out by use of first , second law of thermodynamics and Boyle law.
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It's constant pressure. OK, so now, last time you looked at the Joule expansion to teach you how to relate derivatives like du/dV.
这是恒压的，好，上节课你们,学习了焦耳定律,以及怎样进行导数间的变换。
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v du/dV under constant temperature. du/dT v under constant volume. You use the Joule expansion to find these quantities.
像偏u偏v，恒温下的偏u偏,恒容下的偏u偏,你们知道怎么运用焦耳定律。
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