per million

每百万

vermillion───n.朱红色，鲜红色；朱砂；adj.朱红色的，鲜红色的；v.涂成朱红色；n.(Vermillion)（美）弗米利恩（人名）

penillion───n.竖琴伴奏的吟唱诗

pennillion───便士

per mill───每千

perduellion───鹧鸪

permission───n.允许，许可

the million───百万

vermilion───n.[无化]朱砂；朱红色；adj.朱红色的；vt.涂以朱红色

vermillions───n.朱红色，鲜红色；朱砂；adj.朱红色的，鲜红色的；v.涂成朱红色；n.(Vermillion)（美）弗米利恩（人名）

Note：PPM means part per million, usually a measure of quality.───注：PPM是百万分之一件的缩写，通常是质量的一种指标。

Want concentration of CO2 in atmosphere lowered from 380 to 350 parts per million.───希望将大气中二氧化碳含量由百万分之380降低到百万分之350。

It's reasonably priced at $2 per million pages crawled and 3 cents per CPU hour.───而它的价格很合理，每爬行100万个页面只要2美元，每片CPU每小时只收3分钱。

The brightness of its light ball only parts per million, and only in the total solar eclipse or with a special instrument to see the corona.───它的亮度仅为光球的百万分之一，只有在日全食时或用特制的日冕仪才能看见。

The rice has some of the highest iron concentrations that have been described for white rice (up to 19 parts per million).───这种水稻是白米铁含量最高的（高达百万分之19）。

So designers all over the world can analyze their products down to the parts per million for human and ecological health.───全世界的设计师将能微量分析他们的产品，以照顾人类及生态健康。

In 2005 I paid less than $10 per million and yet I did nothing to deserve or help pay for the windfall.───2005年，我只花了不到10美元，而我没有为此做过什么。

Gun murders are consequently rare, at just over one killing per million people per year, one of the lowest rates in the rich world.───由是英伦的枪杀案很少见，每年每百万人死于枪击的人数才刚过1人，是发达国家中枪杀率最低的国家之一。

Spinal arteriovenous malformations (Spinal AVM) are a rare disorder with an estimated incidence of about 1 per million people per year.───脊髓动静脉畸形为一罕见的疾病，其发现率依文献报告推估应该每年每百万人中仅有1人会被发现。

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

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

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

The average excess mortality for gastric cancer among coal miners was 126 per million, with a range of 65-226 per million.

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

Our current estimate of 70 cases per million population per year is certainly the minimum for the reasons described.

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

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

One part per million can make the difference between success and failure, Backhaus said.