parts per million

美 
英 
  • un.百万分之一；百万分之几；百万分率
  • 网络每百万不良数；百万份之；每百万单位

英汉

网络释义

un.
1.
百万分之一
2.
百万分之几
3.
百万分率

例句

释义:
全部全部,百万分之一百万分之一,百万分之几百万分之几,百万分率百万分率,每百万不良数每百万不良数,百万份之百万份之,每百万单位每百万单位
类别:全部全部,口语口语,书面语书面语,标题标题,技术技术
来源:全部全部,字典字典,网络网络
难度:全部全部,简单简单,中等中等,难难
1.
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。
bbs.hxen.com
2.
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）。
www.scidev.net
3.
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。
www.ted.com
4.
She sent the bridge in question to a scientific testing laboratory, and its surface allegedly tested at 160 parts per million of lead.
她将在成绩的桥送到一间迷信的测试实验室了，而且它的外表听说经过了多种测试。
shzt.org
5.
Now , the same mouse is given 80 parts per million hydrogen sulfide in this solid graph, and look what happens to its temperature .
现在，还是同样一只老鼠，同样是这个图，给空气中注入百万分之八十硫化氢，观察它的体温变化。
6.
A handful of dirt from your backyard would probably contain a smidgen, maybe a few parts per million.
你家后院里的一把泥土可能含有一点点，也许是百万分之几。
article.yeeyan.org
7.
The sensitivity of modern analytical apparatus has lowered some detection thresholds past parts per million, down to parts per billion.
现在的分析设备的灵敏度已经降低了一些检测限，高至百万分率，低至十亿分率。
dictsearch.appspot.com
8.
Hitherto diesel contained up to 500 parts per million (ppm) of sulphur, but the new rules limit sulphur to 15 ppm.
目前，柴油中硫含量为500ppm，但新规定将其限制在15ppm。
www.ecocn.org
9.
For swimming pools using ozone for disinfection , ensure that the water should contain not less than 0. 5 Parts per million of chlorine .
如泳池使用臭氧消毒，应确保池水的氯含量不少于百万分之0.
10.
Ian Hutcheon: If you go out on the beach and pick up a handful of sand it contains about 4 parts per million of uranium.
伊恩·哈钦：如果你在沙滩上随便抓一把沙，其中大约会含百万分之四的铀成分。
ts.hjenglish.com