从重量为百万分之一克的样品中提取有关行星宏观组成的信息是一个极为有趣的科学尝试实例。
Extracting information about the large-scale composition of a planet from a sample weighing a millionth of a gram was a fascinating example of scientific endeavour.
那不是它的百万分之一！
纳米晶体，也被称为量子点，是一种直径只有百万分之一毫米的半导体粒子。
Nanocrystals, also known as quantum dots, are semiconducting particles with a diameter of a few millionths of a millimeter.
虽然大多数致病突变在人类中发现的概率为千分之一到百万分之一，但基础突变发生的几率可能高得多。
While most disease-causing mutated are found in humans at a rate of one in a few thousand to one in a few million people, founder mutation can occur at much higher rates.
我相信那是百万分之一的机率。
1微秒就是一百万分之一秒。
最后，双面打印速度很慢大约3 百万分之。
血液中CO普通含量相当低——零至百万分之八。
A normal amount of CO in your blood is extremely low — zero to eight parts per million.
意味着,二者之间的差别仅是,百万分之三分之一。
That means the difference between the two is only one-third % of a millionth of a percent.
触发系统也能以百万分之一米的精度记录粒子的位置。
The trigger system also registers the location of particles to millionths of a metre.
注：PPM是百万分之一件的缩写，通常是质量的一种指标。
Note：PPM means part per million, usually a measure of quality.
这种钟表通过电磁波的频率来计算时间，单位为百万分之一秒。
The clock measures the passage of time in millionths of a second by counting the frequency of electromagnetic waves.
这些波动只有少数几个微开尔文（百万分之一度），如下图所示。
These fluctuations were only a few microKelvins, or millionths of a degree, and here's what they look like.
水库的建造使得地球的转速比起四十年前快了每天百万分之八秒！
Reservoirs have made each day eight millionths of a second faster than it was forty years ago!
此参数指定一个最高和最低频率偏差，以百分比表示或百万分之的。
This parameter is specified with a maximum and minimum frequency deviation, expressed in percent or 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。
Want concentration of CO2 in atmosphere lowered from 380 to 350 parts per million.
苹果ipad不是为那些千分之十的人制造的，而是而是百万分之十。
It doesn’t build for the tens of thousands; it builds for the tens of millions.
雾气中的水滴极小，通常在1 -50微米(一百万分之一米)之间。
Water droplets in fog are very small, typically between 1 to 50 microns (one-millionth of a metre) across.
在不到一个半世纪后，我们把大气中的二氧化碳猛增到百万分之390。
In the scant century and a half since then, we've bumped atmospheric carbon dioxide up to 390 PPM.
全球的二氧化碳排放量已达到百万分之380超过了工业时代的百万分之280。
Global carbon levels are currently at 380 parts per million compared to 280 before the Industrial Revolution.
亚奥理事会发现在一碟液体中1，4 -二恶烷的含量高达百万分之97.1。
The amounts the OCA found were as high as 97.1 parts per million, in a dish liquid.
不列颠哥伦比亚地区在雨水中监测到低于导致甲状腺疾病当量百万分之一的辐射量。
Radiation in rainwater in British Columbia was less than one millionth the amount shown to cause thyroid diseases.
目前在北极地区甲烷浓度平均为大约百万分之1.85，科学家们说，这是40万年中的最高水平。
Current methane concentrations in the Arctic average about 1.85 parts per million, the scientists said, the highest in 400,000 years.
通常在10年前，如果一个天文学家告诉你，他的测量精度是百万分之五，你只会哈哈大笑。
Normally when or 10 years ago, if an astronomer told you that he was making measurements to a precision of five parts in a million, you would just laugh.
2007年有大约692名乘客丧生，而去年这一数字降到了502，空难死亡率约为百万分之0.13。
Some 692 passengers lost their lives in 2007, but this fell to 502 last year, a rate of 0.13 deaths for every million passengers carried.
如果二氧化碳的排放量达到百万分之800-1000，正如人们猜测的，那将是最坏的情况。
If the Earth reaches 800-1000 parts per million, as the worst-case scenarios predict, it’s really anybody’s guess.
然而，这些亚致死的症状并没有观察到鱼种虹鳟鱼暴露在平均浓度百万分之22.3的F-后8天。
However, these sublethal symptoms were not observed in fingerlings of rainbow trout exposed to a mean concentration of 22.3 ppm F- after 8 days.
然而，这些亚致死的症状并没有观察到鱼种虹鳟鱼暴露在平均浓度百万分之22.3的F-后8天。
However, these sublethal symptoms were not observed in fingerlings of rainbow trout exposed to a mean concentration of 22.3 ppm F- after 8 days.
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