The results show that these cracks are caused by the inclusions of rare earth sulphur oxides and alumina distributing in mass in base steel for hot rolled wide strips.

结果表明：管坯裂纹是因热轧宽钢带基材中存在大量聚集分布的稀土硫氧化物和氧化铝夹杂所致。

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Other filters and chemical "scrubbers" catch oxides of sulphur and nitrogen that would otherwise cause acid rain.

其他的过滤器以及化学“捕捉器”负责处理能够引起酸雨的硫氧化物和氮氧化物。

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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.

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。

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They have shown that emissions of nitrous oxides (NOX) and sulphur oxides (SOX) combine with gases already in the atmosphere to create very fine particles that are especially dangerous to human health.

ECONOMIST: Planes and pollution

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.

ECONOMIST: Geoengineering

That means shipowners who wish to ply these waters will have to stop using bunker fuel (the cheap stuff left over once petrol, diesel and aviation fuel have been distilled from crude oil) to power their vessels because burning it produces too much sulphur dioxide, nitrogen oxides and soot.

ECONOMIST: Marine technology: A voyage of discovery | The