the key points are as follows: treatment is carried out on a amorphous material by using joule heat in flowing gas;

要点是：在流动气体中用焦耳热对非晶材料进行处理。

the effect of joule heat and mineral matter on conductivity of coal has been studied.

主要讨论了焦耳热效应和矿物质对煤导电性质的影响。

when the boundary conditions of electromagnetic quantities are satisfied, according to maxwell field equation the expression for joule heat resource power can be obtained.

在满足电磁量边界条件的情况下，根据导电体的麦克斯威尔方程，得到裂纹尖端附近焦耳热源功率的表达式。

abstr: thermoplastic materials connection can be conducted using friction stir welding, this method by mixing head and joule heat generated by friction between the workpiece to achieve.

文章摘要：采用搅拌摩擦焊可进行热塑性材料的连接，通过搅拌头和工件间摩擦产生的焦耳热得以实现。

the finite element method (fe'. i) is adopted to analyze the effects of the numbers of coil turns, current intensity and current frequency upon the rate of joule heat generation in details.

采用有限元分析方法对线圈匝数、电流强度、电流频率等对焦耳热产生速率的影响进行了详细的分析讨论；

from these equations the temperature and stress expressions at the crack tip are obtained too. the numerical examples show that under the joule heat source provide…

算例表明，在电流所产生的焦耳热源的作用下，裂尖区域处的温度将瞬时升高，并伴有压应力的产生，从而可达到阻止裂纹扩展的目的。

an approximate method is used to analyse the excited fields with a non-symmetrical dipole in lossy media and simple analytical expressions about the fields and joule heat are obtained.

用近似法分析了有耗媒质中非对称电偶极的激励场，得到一个场和焦耳热的简单的解析表达式。