在持续一周的会议期间，科学家证实现在的污染比早先预计的更严重，含硫氧化物进入平流层底部。
In the week of the Asilomar meeting Science published evidence that more pollutants than previously appreciated, including oxides of sulphur, are getting into the lower stratosphere.
燃煤锅炉的主要污染物包括粉尘、硫氧化物、氮氧化物和二氧化碳。
The main pollutants of coal-firing boilers include dust, sulfur oxide, nitrogen oxide and carbon dioxide.
其他空气污染物，如氧化剂、硫氧化物可能对心血管产生有害影响，但这方面证据不多。
Other atmospheric pollutants such as oxidants and sulfur oxides may produce adverse cardiovascular effects, but the evidence is limited.
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