The infused hydrogen migrates to areas of high stress (e. g., material internal stresses) and creates local microstructural damage.

如果氢元素转移到高应力区域(材料的内部应力)就会导致微结构损伤。

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G We can take the derivative of G with respect to how much material there is.

我们可以取,对物质总量的偏导数。

麻省理工公开课 - 热力学与动力学课程节选

Recycling hazardous electronic equipment for material recovery (e.g. rare earth, and precious and other metals) in a manner which can substantially mitigate the hazards, entails significant costs.

FORBES: It's Easy Enough To Solve The Problem Of E-Waste