Some raise their eyes heavenwards, launching weekly balloons to probe the ozone layer, watching with wonder the northern lights higher still.
有些人将目光投向天空，每周放出气球探测臭氧层的变化，并观看那更高之处的极光。
Ozone at ground level - not to be confused with the ozone layer in the upper atmosphere - is one of the major constituents of photochemical smog.
与高层大气臭氧层不同的是，地面的臭氧是光化学烟雾的一个主要组成部分。
For instance, HFC-134a and a whole family of related chemicals could be dealt with by extending the Montreal protocol created to protect the ozone layer from similar industrial gases.
比如，HFC- 134a和全部与之相关的化学物都能够通过推动蒙特利尔协定书来处理掉，这个协定书用以保护臭氧层免受类似工业气体的污染。
With the intensification of human activities, the ozone layer of the earth's surface appears serious hole.
随着人类活动的加剧，地球表面的臭氧层出现了严重的空洞。
The most common types arise in the epidermis (outer skin layer) and have become more frequent with the thinning of the atmosphere's ozone layer.
最常见的皮肤癌发生于表皮(皮肤外层)，因大气中臭氧层变薄而发生频率越来越高。
If developed countries don't come up with the money, the ozone layer will not recuperate. This is a critical time.
如果先进国家的支票不能兑现，臭氧层就不能恢复。这是关键时刻。
The destruction of ozone molecules in the ozone layer by chemical reaction with materials released from human activities, including chlorofluorocarbons and halons.
从人类活动中释放出来的物质(包括氟氯烃和卤代烷哈龙)同臭氧层中的臭氧分子发生化学变化，导致其破坏。
With their use increasing rapidly, we must take decisive action - just as we previously did to put the ozone layer on the path to recovery.
随着其使用量迅速增加，我们必须采取果断行动，正如我们以前为恢复臭氧层而果断行动那样。
The problem with the ozone layer is that when certain chemicals, like chlorofluorocarbons, reach the stratosphere, they break down into chlorine and bromine, which react with the ozone and destroy it.
科学家们认为人类造成臭氧层破坏的主要原因是一些化学物质，像氯氟碳，当它们到达平流层后会分解成氯和溴，然后和臭氧发生化学反应从而破坏臭氧层。
Unless the destruction of the ozone layer is stopped, the polar ice caps will melt with terrible consequences.
如果不停止对臭氧层的破坏的话，南北两极的冰冠就可能因融化而带来可怕的后果。
Now, the ozone layer is gradually reduced, global warming, chemical emissions never continuous, human are facing a crisis with.
现在，臭氧层正在逐步削减，全球变暖加重，化学物品排放从未连续，人类正面对着一场配合的危机。
Says Nelson Sabogal of the U. N. Environment Program: "If devel-oped countries don't come up with the money, the ozone layer will not recover."
联合国环境规划署的萨布果表示：“如果先进国家的支票不能兑现，臭氧层就不能恢复。”
Says Nelson Sabogal of the U. N. Environment Program: "If devel-oped countries don't come up with the money, the ozone layer will not recover."
联合国环境规划署的萨布果表示：“如果先进国家的支票不能兑现，臭氧层就不能恢复。”
应用推荐