Electrolysis is usually accompanied by gas evolution at one or both electrodes.

电解通常同时在一个或两个电极上析出气体。

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The gas evolution capability of materials used in tube has direct effect to the performance and life of the tube.

管内材料放气性能的优劣直接影响着整管的性能和寿命。

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In the gas evolution step, with the axis rotation, the flux through each side of the triangular element is obtained.

在第②步中，采用旋转坐标轴的方法来计算非结构网格单元各边的通量。

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Those infrared emissions will allow the telescope to peer through cosmic dust and gas to see things like the evolution of early stars and galaxies.

VOA: standard.2009.05.14