It is caused by accumulation of static charge and physical qualities of the materials.

该效应是由静电荷的累积以及材料的物理特性造成的。

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Static charge could be produced during the process of oil products handling in discharging quay.

装卸油品码头在装卸油品过程中会产生静电荷；

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Using Lorentz alterrnate, this paper bears out force of motion electric charge acting on static charge.

文中利用洛仑兹变换给出了运动电荷作用在静止电荷上的力。

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The friction caused by the gas bubble pushing up the pipe and displacing the drilling mud used to control the pressure could have created a static charge that ignited the gas into a fireball.

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The system had only a handful of games and was plagued with problems from the start, including a 16x16 pixel LCD screen that was prone to rotting and cartridges that could be permantly damaged by even a relatively small static charge.

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The definition of a "hot" pasty is being altered to allow the reversal, while a 20% charge due to be levied on static caravans will now drop to 5%.

BBC: Pasty tax: U-turn 'a shambles' says Labour