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 present paper reviews research methods,experimental equipments and main conclusions for pitch coke in the world.
煤沥青焦化所生产的沥青焦主要用于生产石墨电极、阳极糊或预焙电极，亦可用于高炉降低所用冶金焦的灰分和硫分，也可作为低污染燃料使用，具有较高经济价值。
Comparing to the electrode from pitch coke, the consumption amount of the electrode during steel making and its production cost are reduced.
研究了锦州石油焦的性能，结果表明可以用煅后锦州石油焦代替沥青焦生产石墨电极。
Method for the determination of the true specific gravity of pitch coke
GB/T3071-1982沥青焦真比重的测定方法
native asphaltic pyrobitume
天然地沥青质焦沥青
tar-macadam plant
焦油沥青碎石拌制机
testing method for creosote oil, prepared tar and tar pitch
杂酚油、加工焦油及沥青
Study on Co-coking Blending Coking Coal with Low Temperature Coal Tar Pitch and Tarry Residue;
低温煤焦油沥青及焦油渣配煤炼焦实验研究
standard volume correction table for tar and coal-tar pitch
焦油及煤沥青标准标准体积校正表
Method for determination of coking value of coal pitch
GB/T8727-1988煤沥青结焦值的测定方法
tar-macadam batch mixer
焦油沥青碎石分批拌和机
kettle ,asphalt- pitch- or tar-heating wheeled
柏油、沥青、焦油加热锅,带轮
EXPERIMENTAL STUDY ON THE INDUCTION OF RAT LUNG CANCER BY COAL TAR PITCH PARTICULATES
煤焦沥青诱发大鼠肺癌的实验研究
Tar is much used in making modern roads.
修建现代公路多用焦油沥青。
EXPERIMENT STUDY ON COKE YIELD OF COAL PITCH ADDED REDIN
添加树脂的煤沥青析焦率的实验研究
Compositions and Structure Characterizations of Coal Tar Refined Soft Pitch
煤焦油精制软沥青组成及结构的表征
EFFECT OF COAL TAR ADDITION ON SOFTENING POINT AND COKING VALUE OF PITCH
煤焦油加入量对沥青软化点和结焦值的影响
STUDY ON RHEOLOGY AND SOAKAGE OF PITCH TO CHAR AGGREGATES
煤沥青流变性和煤沥青对炭素骨料焦浸润性的研究
Coal tar epoxy. Part A and Part B mixed prior to application.
环氧煤焦油沥青漆。使用前请将A、B组分搅拌均匀。
And the tar and the dirt of the pattern are a match to the handball court.
上面的焦油沥青和灰尘 与手球运动场的一样
a thick black tar intermediate between petroleum and asphalt.
一种稠而黑的焦油中间体，介于石油和沥青之间。