焦耳定律
- 名Joule's law
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[joule's law] 物理学中下列两种陈述中的任一种:(1)电路中任何部分的稳恒电流产生的热量变率与电阻和电流的平方共同地成比例 (2)理想气体的内能仅依赖于温度,而与体积和压力无关
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焦耳定律演示实验在初中物理教材中是一个很重要的实验,但课本中的实验操作麻烦,既费时、效果又不够明显。
The demonstrative experiment of Joule 's law is an important one of the physics teaching in junior middle schools .
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关于理想气体状态方程和焦耳定律
Discussion on the Ideal Gas Equation and Joule 's Law
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对焦耳定律综合演示仪的改进
The Improvement of The Joule ′ s Law Synthetic Demonstration Instrument
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非相对论热力学中玻意耳定律与焦耳定律的相互独立性
The independence between Boyle law and Joule law in non-relativistic thermodynamics
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焦耳定律的非独立性问题
On the interrelation of joule 's law and ideal gases
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气体焦耳定律实验透射投影器的制作
Factures about Experiment Transmission Projector of Gas Joule Law
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从建立理想气体状态方程的两条途径谈焦耳定律是否独立
On the independence of Joule 's law to the state equation of ideal gas
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学校教师自己研发的“焦耳定律演示器”获得了国家级科技成果专利。
Joule law Demonstrating Instrument developed by teachers of our school patented national level technology achievements .
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证明在非相对论热力学理论系统中,焦耳定律不是玻意耳定律的推论,玻意耳定律也不是焦耳定律的推论。
Neither of Joule law and Boyle law can be derived from the other in non-relativistic thermodynamics .
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焦耳定律实验的改进
Improvement of Joule Law Experiment
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焦一汤效应与气体偏离焦耳定律玻意耳定律的关系
The relationship between joule & thomson effect and gas err from joule 's law boyle 's law
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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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指出了实际气体偏离焦耳定律与焦耳效应对焦一汤效应贡献的关系。
Poits the relationship of Joule effect and gas which err from Joule 's Law contribution for Joule - Thomson effect .
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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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本文指出有关焦耳定律非独立性的证明中仍存在的问题,并给出新的证明。
The problems in proving the non-independence of Joule , s Law are discussed , and a new way to prove it is introduced .
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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。
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 .
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建立理想气体状态方程有两条途径,沿第一条途径焦耳定律是独立的,而沿第二条途径则焦耳定律不独立。
There are two paths for establishment of the state equation of ideal gas , to one path , the Joule 's law is independent , to the other , it is not .
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根据新的压电-导电原理和焦耳定律,将压电陶瓷粉体复合到传统的氯化丁基橡胶阻尼材料中,制作出了性能更好的新型阻尼材料。
On the basis of the new piezoelectric effect and conductive mechanism and Joule 's law , the novel damping composites with better performance is prepared with piezoelectric ceramic powder compounded into traditional mechanical damping chloro-butyl rubber .
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本文通过对教材中焦耳定律演示实验装置的改进和教学过程的设计,充分调动学生的全部感知器官,使实验主题突出、操作简便、可比性强、效果明显,达到了演示的目的。
The sensitive organs of students was stimulate through the improvement of " Geolrs ' Law " performing experiment and the arrangement of the teaching course , which makes theme outstanding ; manipulation easy ; comparativeness strong ;
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独特地采用分层隔离法,通过测量模拟铸锭内的温度分布,依据焦耳-楞次定律,计算了扁锭电磁铸造中感应电流密度分布、感应加热功率和速率;
A specific layered isolating method has been used to measure the temperature and its gradient distribution of simulated ingot . Based on the results above , the induced current intensity distribution and the induced heating rate within the EMC slab has been calculated according to the Joul-Lenzs laws .