汽油是挥发性物质。
科学家发现，各类植物受到攻击时都会发出挥发性有机化合物。
Scientists have found that all kinds of plants give out VOCs when being attacked.
植物通过空气输送的是一种名为挥发性有机化合物（简称VOCs）的化学混合物。
What the plants pump through the air is a mixture of chemicals known as volatile organic compounds, VOCs for short.
树叶和软体动物（例如水母或蠕虫）的组织堆积起来，逐渐被掩埋、压缩，失去其挥发性成分。
Leaves and tissue of soft-bodied organisms such as jellyfish or worms may accumulate, become buried and compressed, and lose their volatile constituents.
主要的差别是，相比于太阳，阿连德陨石缺失了大部分的挥发性元素，例如氢、碳、氧、氮和稀有气体。
The major difference is that Allende is depleted in the most volatile elements, like hydrogen, carbon, oxygen, nitrogen, and the noble gases, relative to the Sun.
这很像把手浸入挥发性液体后的那种凉飕飕的感觉。
It is like the sense of chill that follows immersion of the hand in a volatile liquid.
该文以碳粉掺杂的聚合物为敏感膜，以叉指电极为基底制作了测定挥发性有机气体的化学阻抗传感器。
A chemiresistor sensor was fabricated for the analysis of volatile organic compounds(VOCs) with carbon black(CB)-polymer composite as sensing film and interdigital electrodes.
假设A是，挥发性更强的组分。
So now I want to stick with a as the more volatile component.
从富含挥发性强的，组分的液体开始。
And starting with fresh liquid that now is enriched in more volatile of the components.
所以如果A的挥发性更高，它的沸点更低。
So if a is the more volatile component, it has the lower boiling point.
提纯挥发性弱的物质。
因为水的挥发性不高。
因为A的挥发性更好。
其它种类的挥发性化合物中也发现了类似的结果。
Similar results were found with other sorts of volatile compounds.
农药也释放可吸入的挥发性有机化合物(见下文)。
Pesticides also release inhalable volatile organic compounds (see below).
至于油漆和胶水，它们会释放出挥发性的有机化合物以及苯。
As for paint and glue, they emit volatile organic compounds and benzene.
但是我想阐述的是，这是一种,提纯挥发性弱的物质的方法。
But all I want to really illustrate is, this is a strategy for purification of the less volatile component.
毕竟我对便宜的定义，作为一个整体，也涵盖对了股票市场挥发性的判读。
After all, my definition of cheap also includes a read on the volatility of the stock market as a whole.
避免接触来自油漆，胶水，空气清新剂中的挥发性有机化合物。
Avoid the VOCs that offgas from paints, glues, air fresheners.
挥发性帮助QA经理理解是否一个发布对于一个适当的测试的点来说是稳定的。
Volatility helps QA managers understand if a release is stabilized to the point where it can reasonably be subjected to test.
呼吸水面的空气也能接触到氯，因为这种化学物质在水里具有挥发性。
Exposure also comes from breathing air at the surface of the water, where chemicals become volatile.
看起来它们在温暖的区域和时节更为明显，这表明其可能是挥发性物质。
They therefore seem to favour warm areas and times, suggesting that they consist of volatile material.
在这个十年的中期，极低的全球金融市场挥发性帮助日元成为著名的利差交易货币。
Exceptionally low global financial-market volatility in the middle of the decade helped spur the famous yen carry trade.
这些物质含有一些具有挥发性的甲醛、树脂和铬酸盐会使敏感的皮肤感到紧张。
Some of these substances contain volatile stuff like formaldehyde, rosin, and chromates that can send particularly sensitive skin into a tizzy.
仍然可以继续通过，共存曲线来，反复提纯B物质，挥发性低的物质，最后可以得到一点量。
You can continue to walk your way down through these coexistence curves and purify repeatedly the component B, the less volatile of them, and end up with some amount of it.
在过去的几十年间，北极圈的低温把具有挥发性的Pops冻结封存在冰层和北极冰冷的海水中。
Over past decades, the low temperatures in the Arctic trapped volatile Pops in ice and cold water.
多达100%的具有挥发性的放射性铯137可以随着火苗和烟升入空中，顺着风被吹到很远的地方。
Up to 100 percent of the volatile radioactive Cesium-137 content of the pools could go up in flames and smoke, to blow downwind over large distances.
这可能是因为月球形成过程中，撞击产生的热能使挥发性氢元素——水的重要组成成分——大量流失。
That could be because the collision that made the moon in the first place was so hot that volatile elements like hydrogen, a key component of H2O, largely burned away.
第一, 这都得益于套息交易, 交易额,和挥发性, 都成为有别于整个市场水平和方向的更大的业绩增长点.
Thanks to hedging, trading volume and volatility are now bigger earnings drivers than the level or direction of markets.
一本古书散发出来的熟悉的霉味源于纸张或其它如装订线等材料发出的数百种不同的挥发性有机化合物。
An old book's familiar musty smell is due to hundreds of different volatile organic compounds gassing out from the paper and other materials, such as the binding.
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