Even one gas molecule can break a silicon-oxygen bond in glass, generating a defect, said Carlo G. Pantano, a professor of materials science at Pennsylvania State University.

“一个气体分子就可以破坏玻璃的硅氧键，并诱生一个缺陷。”Pennsylvania州立大学的材料科学教授Carlo G . Pantano说。

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Feedstock: Substance (e. g. gas) used as raw material for its chemical properties in creating an end product.

原料、给料：作为原料，利用其化学成分，以生产终端产品的物质(如煤气)。

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The work took cutting machine use raw materials for inflammable gas e. g. acetylene, propane, gas, such as liquefied petroleum gas (LPG).

切割机使用的工作原料为易燃性气体如乙炔、丙烷、液化气等气体。

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And in the oil and gas business G.

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Underground natural gas storage means subsurface storage of natural gas, e.g.

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Fracking involves the injection of water containing a surfactant and various other chemicals under high pressure into a source rock e.g. shale, causing the latter to fracture and release natural gas (principally methane).

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