The method has been successfully applied to the separation enrichment of silver in ores and dust fume with recovery of over 99.2%. results are satisfactory.

用该法已成功地应用于分离富集矿物、灰尘中的银，其回收率在99.2%以上，结果相当满意。

youdao

As I said, it's a particularly hazardous substance and is worked with in fume hoods.

就像我说过的，这是尤其有害的物质，在通风柜中才能用。

youdao

As I said, it's a particularly hazardous substance, this is worked with in fume hoods.

就像我说过的，这是特别有害的物质，在通风柜中才能用。

youdao

As I said, it's a particularly hazardous substance, this is worked with in fume hoods.

就像我说过的，这是特别有害的物质，在通风柜中才能用。

麻省理工公开课 - 化学原理课程节选

Or is it time to join those who still fume with resentment at the arrival of the canals in the 18th Century?

BBC: Going bananas for speedy rail

So they, British farmers fume, are able to flood the British market with cheap pork and bacon from pigs which may well have been reared in the bad old ways and on nasty feedstuffs.

ECONOMIST: A pig of a problem