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1·The results show that the fixed carbon in coal-tar pitch modified with activating agent has been increased.

实验结果表明：活化剂改性后的煤沥青，固定碳含量提高。

2·The bulk graphite was prepared from starting materials of calcined coke and coal-tar pitch by the hot-pressing process.

以煅烧石油焦为基本填料，煤沥青为粘结剂，采用热压工艺制备石墨制品。

3·Both the oxidation resistance and the electrical conductivity of the pitch coke can be improved when a suitable amount of activating agent is added in the coal-tar pitch.

用这种煤沥青制得的沥青焦，其抗氧化性提高，在活化剂加入量适宜时沥青焦的导电性能也有所提高。

4·The article aims to reduce carcinogenic PAHs of coal tar pitch.

本文研究了用聚合物与煤焦油沥青反应减少其中的致癌多环芳烃。

5·Further processing of coal pitch to raise the additive value is a key problem in coal tar processing.

对煤焦油沥青进行深加工以提高沥青产品的附加值是煤焦油加工中的一个重要问题。

6·Pitch and pitch coke, obtained from coal tar or from other mineral tars.

从煤焦油或其他矿物焦油所得的沥青及沥青焦。

7·The spinning of coal tar pitch raw material is key procedure of shaping in manufacturing carbon fiber.

煤沥青原料的纺丝，是碳纤维制造过程中加工成型的关键步骤。

8·The main parameters of viscosity, spinning temperature, pressure and winding velocity for coal tar pitch fluid should be rigidly controlled during spinning.

在纺丝过程中，要严格控制煤沥青熔体的粘度、纺丝温度、压力、卷绕速度等主要参数。

9·A pitch mesophase can be prepared from petroleum pitch and coal tar pitch.

从石油沥青和煤沥青中制取沥青中间相物质。

10·Carbon foams were prepared from coal tar pitch, petroleum mesophase pitch, and ar pitch.

分别以煤沥青、石油中间相沥青和AR沥青为前驱体制备炭泡沫材料。