英语词汇“parts per million (PPM)”的翻译、意思、用法、释义-英汉经管词典

单词	parts per million (PPM)
释义	parts per million (PPM) Definition Concentration by volume of one part of a gas (or vapor), or by weight of a liquid or solid, per million parts of air or liquid. One ppm is roughly equivalent to 5 liters of material in an Olympic-size swimming pool. Use 'parts per million (PPM)' in a Sentence We had determined that the pseudo science suggested by the company was irrelevant because the parts per million was negligible. You need to be able to calculate the parts per million in your factory and make sure they are at reasonable levels. You must always know what the parts per million of any toxic substance are so that all of your workers are safe.
随便看	internal customer internal data internal deliverable internal economies of scale internal environment internal equity internal expansion internal factors internal failure costs internal financing internal funds internal income internalization internalizing an externality internal marketing internal rate of return (IRR) internal recovery internal recruitment internal revenue internal revenue code Internal Revenue Service (IRS) internal sources of financing internal sourcing internal statement internal storage

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parts per million (PPM)