(mineral extraction) a surface-active chemical used in flotation process to increase the attraction to a specific mineral

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。

a high quality activated carbon has been prepared from coal tar pitch by chemical activation method using kcns solution as an activating agent and through appropriate technical conditions.

以煤焦油沥青为原料，使用kcns溶液活化处理，选择适宜的工艺条件，制备出优质的活性炭。

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.

初步探讨了活化剂的加入对煤沥青的焦化活性、沥青焦的结构、氧化活性和导电性的影响。

the colouration of aluminum film with mirror face was introduced with the addiction of proper amount of activating agent in metallographic mirror bright coating dye bath.

介绍了在金相镜光涂料染色浴中加入适量的活性剂，对具有镜面的铝膜（材）表面进行染色的方法； 并从实验中得出了所染颜色与时间，匀染剂量的关系曲线。

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。

it also discussed the fineness and activating agent in modification of natural anhydrite.

本中还对细度与激发剂对天然硬石膏的改性机理进行了探讨。

different activated carbon nanotubes (acnts) were obtained with different activating agent dosages using koh as the activating agent.

采用koh为活化剂，通过改变活化剂用量，得到不同活化程度的活性碳纳米管。

from raw material, acf was prepared with h2o and co2 as the activating agent through old and useless organic cellosilk.

以co2和h2o作为活化剂，利用废旧有机纤维来制备活性炭纤维，对制备的活性炭纤维的性能进行研究。