parts per million的意思

parts per million中文翻譯：

百萬分之；兆比率

百萬分之幾

相似詞語短語

parts per millions───一百萬分之一；百分率

paper mill───n.造紙廠

paper mills───造紙廠

the million───百萬

base bullion───賤金屬

gone a million───消失了一百萬

parturition───n.分娩，生產

party affiliation───黨派關系

pepper mill───胡椒磨，胡椒碾磨器

雙語使用場景

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.

Want concentration of CO2 in atmosphere lowered from 380 to 350 parts per million.───希望將大氣中二氧化碳含量由百萬分之380降低到百萬分之350。

The team found levels of parts per million in tests on some paint samples from Ecuador.───這個團隊發現了來自厄瓜多爾的油漆樣本高達32000ppm的鋅的含量.

of carbon dioxide in the atmosphere is measured in parts per million (PPM).───大氣層里二氧化碳含量的測量單位是ppm，即一百萬體積的空氣中所含二氧化碳的體積數。

Until this past month, the safety standard for consumer paints was 600 parts per million.───直到上個月, 消費者油漆安全用量是每百萬油漆含有600的鉛.

normal amount of CO in your blood is extremely low — zero to eight parts per million.───血液中CO普通含量相當低——零至百萬分之八。

Chinese health officials have said no harm comes from consuming less than 0.63 parts per million.───中國衛生官員稱,食用的三聚氰胺不超過百萬分之0.63的話不會對人體構成傷害.

英語使用場景

The maximum exposure level permitted by the Occupational Health and Safety Administration is 0. 75 parts per million.

Nitrate levels must remain below 50 parts per million to stay within the law.

Typically, the giant planets contain about forty-five parts per million of helium-3 in their atmospheres.

One group ate food with 0.3 parts per million (ppm) methylmercury, which most U.

The standard requires detectors to sound before carbon monoxide levels exceed 100 parts per million for 90 minutes.

The discovery prompted the safety commission to recommend a lead standard of 200 parts per million for mini-blinds.

When Delaney offered his amendment, scientists could identify traces of potentially harmful substances down to a level of parts per million.

Experiments she conducted in Hawaii show reefs will dissolve 48 percent faster when the level of CO2 in the atmosphere jumps from 400 parts per million to 750 ppm.

The term parts per million ( ppm ) was widely used but frequently led to misinterpretation.