Pitch fluoride powders were prepared through the reaction between mesophase pitch grain and fluorine gas in rotative nickel reactor.

采用中间相沥青微粒在旋转式反应釜中与氟气进行反应制备出氟化沥青。

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The influences of inlet gas flow pitch angle on the sensor output and gas flowage are specifically investigated.

并具体地分析了在气体流量通道入口处气体的流向角度对传感器输出信号以及气体流动状态的影响。

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Of course this means that in addition to the endless marketing mailings and calls we already get from the cable and telecom companies, we'll now have to listen to the gas man's pitch about broadband when he comes to read the meter.

ENGADGET: The heat is on: get your broadband over gas lines

The corollary is that many companies paid well over book for unconventional gas plays when shale reached fever pitch.

FORBES: New US Sub-Prime: Putting A Price On 'Chesapeake' Gas

Anti-riot police used rubber bullets and tear gas canisters to disperse the crowd that invaded the pitch after Malawi lost 1-0 to the visitors.

BBC: Violence mars Malawi match