The Pennsylvania Department of Environmental Protection (DEP) said Thursday it tested the air for six chemical compounds just ...

Vinyl chloride is a man-made, colorless gas that burns easily and is used to make polyvinyl chloride, a hard plastic.

当前，美国希望重振芯片制造业。但是，美国第一代硅谷工厂工人曾忍受着不安全的制造条件，甚至有些工人的孩子患有先天缺陷。一名前硅谷工厂的工人说自己在工作中不知不觉地接触了有害物质，后来其对雇主提起了诉讼。据媒体报道，仅 IBM 一家就面临着约 250 ...

The US wants to bring back domestic chipmaking. But America’s first generation of Silicon Valley factory workers endured ...

A literature search found reference to 16 patients who had positive patch-test reactions to clotrimazole; most positive reactions were to 1% clotrimazole in an ethanol or methyl ethyl ketone vehicle.

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The P/B ratio shows how a stock's market price compares to its book value. It helps gauge whether a stock is undervalued or overvalued relative to its net assets.