The research shows that the precious metals can be recovered from the catalyst by the wet leaching method and the fire concentration method.

研究表明，从催化剂中回收贵金属，可采用湿法浸出法和火法富集；

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A strainer full of noodles, fresh off an open fire, commands the total concentration of a cook in Bangkok's Chinatown.

劲道十足的面条刚从热腾腾的锅中挑出来，这一切都在曼谷唐人街的厨师掌握之中。

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It is important to note that fire chemistry starts to change when the concentration of oxygen increases to as little as 23%.

当氧浓度增加到仅仅23%，起火的化学性质就开始变化，注意到这一点是很重要的。

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This concentration of fire is achieved by a combination of programming that causes an individual computer to make repeated requests as fast as it can and the ganging together of as many computers as possible to undertake this work at the same time.

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