However, due to the emergence of CFCs and halons so great damage to the ozone layer.
但是由于氟利昂和哈龙的出现，使臭氧层受到很大的破坏。
EBM aerosol fire extinguishing agent is a new type of fire extinguishing agents of high efficiency, its efficiency is higher than that of Halons.
ebm气溶胶灭火剂是一种新型高效灭火剂，其灭火效率高于哈龙类灭火剂。
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。
To find a practical and economical way to degradation of organic pollutants, as well as H2SSO2CS2 hydrocarbons, freon, halons and other substances is an important task.
寻求一种切实可行又经济实惠的方法来降解有机污物以及H2SSO2CS2碳氢化合物，氟里昂，哈龙等物质是一项很有意义的工作。
In the existing methods of burning and processing of such substances is not appropriate, because the CFC, halons, polycyclic aromatic hydrocarbons and other substances with high heat stability.
在已有的方法中焚烧处理这类物质不太合适，因为氟里昂，哈龙，多环芳烃等物质具有很高的耐热稳定性。
In the existing methods of burning and processing of such substances is not appropriate, because the CFC, halons, polycyclic aromatic hydrocarbons and other substances with high heat stability.
在已有的方法中焚烧处理这类物质不太合适，因为氟里昂，哈龙，多环芳烃等物质具有很高的耐热稳定性。
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