查询词典 pitch-black

Keywords: Impregnation; coal tar pitch; carbon yield

要害词：浸渍；煤沥青；产碳率

A series of Sn/C composites was prepared by thermal condensation of coal tar pitch and tributyltin chloride with different proportions.

以煤焦油沥青为碳源、三丁基氯化锡为锡源，采用压力下聚合手段原位合成出Sn/C复合材料，并对它的电化学性能进行了研究。

The reason of the higher value of quinoline insoluble material in coal pitch is analyzed through the determination theory of methyl benzene insoluble material.

针对在试验过程中发现煤沥青中喹啉不溶物分析结果偏高的现象，根据煤沥青中甲苯不溶物的测定原理，找到造成这种现象的原因，然后从不同的角度进行试验，最终摸索出一套分析煤沥青中喹啉不溶物含量的简单、经济、可行的方法。

You can also use it to change the pitch in your voice.

你还可以用它来改变你说话的音调。

No one is safe in the pitch.

在场上没有人是安全的。

If he were not on the pitch, he would be in the stands.

如果他没有在球场上，那么他也会在观众席里。

The priority now is for all of us to pitch in and help those in need.

而为这去对他们说感谢和表达对他们的爱。。。

Yeah, and we should all pitch in and help.

是啊，我们每个人也应该做点儿什么。

If I really pitch in, I may be able to finish the paper before the deadline.

如果我确实努力工作的话，我应该可以在截止日期前完成论文。

If I really pitch in , I may be able to finish my paper before the deadline .

如果我加紧工作，我也许就能在限期以前完成我的论文。

In the United States, chronic alcoholism and hepatitis C are the most common ones.

在美国，慢性酒精中毒，肝炎是最常见的。

If you have any questions, you can contact me anytime.

如果有任何问题，你可以随时联系我。