parts per million ppm 中文意思是什麼
parts per million ppm
解釋
每百萬不良數-
The term parts per million(ppm) was widely used but frequently led to misinterpretation.
廣泛使用百分之幾（ppm）表示結果，但常常引起誤解。 -
Chemical analysis of the two bottles of beauty cream obtained from the woman revealed that the mercury content of the products are 34 000 parts per million ( ppm ) and 38 000 ppm respectively
兩個美顏霜樣本的測試結果顯示，它們所含的水銀成份分別?百萬份之三萬四千及三萬八千。 -
The term parts per million ( ppm ) was widely used but frequently led to misinterpretation
廣泛使用百分之幾（ ppm ）表示結果，但常常引起誤解。 -
In this paper, we first comment on the classical approach, then present an effective modern approach based on process capability indices for measuring manufacturing process quality, specifically for high technology product requiring very low fraction of nonconformities ( often measured in ppm, parts per million )
有鑒於此，本研究提出一個評估高科技產品製程質量水?的有效方法，也就是利用製程能力指針來評估製程能力與產出績效。 -
Chemical analysis of the products obtained from the woman by the government laboratory revealed that the mercury contents of them are 8900 parts per million ( ppm ) and 11 000 ppm respectively
政府化驗所的測試結果顯示，兩種美顏霜所含的水銀成份分別為百萬份之八千九百及一萬一千。 -
Ppm parts per million
百萬分之一 -
For swimming pools using ozone for disinfection, ensure that the water should contain not less than 0. 5 parts per million ( ppm ) of chlorine
如泳池使用臭氧消毒，應確保池水的氯含量不少於百萬分之0 . 5 。 -
The content of benzene detected in one out of five test samples was only 0. 1 parts per million ( ppm ), well below the allowable level of 5 ppm which the european council ( ec ) considers as safe to be present in toys
測試結果顯示，五款樣本中只有一款驗出苯成份，而苯成份只有百萬份之零點一，遠低於歐洲議會有關玩具或玩具配件的苯成份安全水平所訂的百萬份之五。 -
Parts per million carbon ppm
百萬分率碳 -
Ppm - parts per million
百萬分之一
分享友人