The pollutant samples in air of mixing, casting and vulcanizing sections of small-scale HTPB propellant processing line were taken by use of activated carbon.

以活性碳为吸附剂，对HTPB推进剂小型装药线混合、浇注、硫化岗位空气中的污染物进行了富集采样。

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For the formula which can be taken as the experience formula for analyzing the pressure losing of carbon black and air mixed flow inside the pipe line.

该公式可作为工程上分析炭黑与气体混合流在输送管道中压力损失的经验公式。

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By law, the across-the-board cuts are supposed to be taken in equal measure from front-line programs like air traffic control, meat inspection and the Border Patrol and lower-priority items such as agriculture research and subsidies for airline travel to rural airports.

NPR: Senate Democrats Prepare Government Funding Bill