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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Then, these oil products will be transported to basic POS (e. g. gas station & diesel station) through oil pipelines or oil tankers, oil tank trucks from which sell to end-users.

然后，再用输油管或油轮、油罐车把这些产品送到基层销售点，如汽油和柴油加油站，在那里出售给最终用户。

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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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