Coking in the fractionation system has been resolved by injecting slurry antifoulant and controlling the amount of slurry running down and the bottom temperature.

分馏系统加注油浆防垢剂及控制合适的外甩油浆量和分馏塔底温度，可以有效防止结焦。

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The number at the bottom is the recommended water temperature in centigrade.

底部的数字为建议性摄氏度水温。

《柯林斯英汉双解大词典》

So rather than just being some sunbathing slacker, they're really very industrious fish, that dance this wild dance between the surface and the bottom and through temperature.

所以跟一些喜欢日光浴的懒汉比起来， 它们可辛勤地多，在海水表层和底层之间 在不同温度之间来回地舞蹈着。

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At the bottom of the Knotty Head hole, the 450-degree-Fahrenheit temperature and the pressure (2, 000 times atmospheric) would crush or melt most drilling tools.

FORBES: Magazine Article

When cooled to room temperature and left to stand, the biodiesel floats up, leaving a layer of glycerine at the bottom.

ECONOMIST: Monitor