四氯化碳作为氟里昂的生产原料和一种破坏臭氧层物质面临淘汰。
Carbon tetrachloride(CTC) as an ozone depleting substance(ODS) and a feedstock of Freon series compounds has been phased out.
四氯化碳是一种破坏臭氧层物质(ods)，按照《蒙特利尔议定书》要求，我国必须控制四氯化碳的发散量。
As an ozone depleting substance (ODS), application of CTC should be well controlled under the Montreal protocol.
氢氯氟化碳以替换破坏臭氧层物质的形式被引进进来，尽管氢氯氟化碳不会破坏臭氧层，但是它却是强有力的全球变暖催化剂，被当成“超级”温室气体。
Introduced as replacements for ozone depleting substances, HFCs do not damage the ozone layer but are potent global warming agents and considered 'super' greenhouse gases.
该研究表明，这种未受现行的保护臭氧层法规管制的气体，现在是人类活动所产生的破坏最大的臭氧层破坏物质。
The gas, which is not covered by existing regulations to protect ozone, is now the largest ozone-depleting substance produced by human activity, the research shows.
在过去30年里，他们通过跟踪测定臭氧层中化学物质的含量来估算臭氧层的破坏程度。
They point to the way their estimate of chemically destroyed ozone closely tracks the amount of chemicals in the hole during the past 30 years.
禁止排放破坏臭氧层的化学物质并不会给美国公司造成负担。
Bans on ozone-depleting chemicals were not burdensome for US companies.
某些制冷剂，如含氯氟烃已被相关规列列为非法，因为这些制冷剂含有破坏臭氧层的物质。
Regulations are outlawing certain refrigerants, such as chlorofluorocarbons, which contain ozone-depleting chemicals.
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。
The destruction of ozone molecules in the ozone layer by chemical reaction with materials released from human activities, including chlorofluorocarbons and halons.
四氯化碳(CTC)是一种破坏臭氧层的物质(ods)，主要用作氟氯烃(氟里昂)的生产原料、化工过程助剂和清洗剂。
Tetrachloride carbon (CTC) is an ozone depleting substance (ODS). It is mainly used as feedstock of chlorofluorocarbons (CFC), chemical process agent and cleaning solvent.
四氯化碳是一种能破坏臭氧层的化学物质，应该逐步减少其使用量。
Carbon tetrachloride is a chemical destroying the ozone layer, and its use should be decreased gradually.
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。
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.
近年来，臭氧层因受到消耗臭氧层化学物质（简称ODS）的损耗，而造成的平衡破坏、浓度降低成为全球性的环保热点问题。
Ozone Layer was worn down by ODS recently, which resulted in the breaking of ozone layer′s balance and the decreasing of ozone layer′s thickness.
根据联合采购集团的公司政策，在产品生产过程中绝对禁止使用可导致臭氧层破坏的物质，且必须遵守1973年《美利坚合众国危险物质法案》的规定。
Federated policy specifically prohibits the use of ozone-depleting substances and requires compliance with the United States Endangered Species Act of 1973.
根据联合采购集团的公司政策，在产品生产过程中绝对禁止使用可导致臭氧层破坏的物质，且必须遵守1973年《美利坚合众国危险物质法案》的规定。
Federated policy specifically prohibits the use of ozone-depleting substances and requires compliance with the United States Endangered Species Act of 1973.
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