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。
A new syntan product prepared with tar phenol and lignin sulfonic acid.
以工业副产物木素磺酸和焦油酚为主要原料研制出一种新的合成鞣剂。
Bulk graphite was prepared from starting materials of calcined coke and coal tar pitch by the hot pressing process.
以煅后石油焦和煤沥青为基本原料，采用热压工艺制备了一系列石墨材料。
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。
Bulk graphite was prepared from calcined coke and coal tar pitch precursors by hot pressing and graphitization.
用煅烧石油焦和煤沥青为基本原料，采用热压和石墨化工艺制备了几种纯石墨材料。
Yield of wood-vinegar prepared from the treated wood tended to increase, and yield of charcoal indicated opposite tendency, but yield of wood-tar was almost constant.
与没有处理相比，虽然处理过边材的木焦油的收率几乎不变，木醋液的收率显示增加倾向，但是木炭的收率有减少迹象。
A new syntan product was prepared with tar phenol and lignin sulfonic acid.
以工业副产物木素磺酸和焦油酚为主要原料研制出一种新的合成鞣剂。
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。
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。
A pitch mesophase can be prepared from petroleum pitch andcoal tar pitch.
从石油沥青和煤沥青中制取沥青中间相物质。
Tar sand oil was extracted from the Xinjiang tar sands and some kinds of asphalt products with special uses and higher value were prepared from the said oil.
以新疆小西沟、风城两种油砂为原料，利用甲苯抽提制取的油砂稠油研制开发高价值的特种沥青产品。
Tar sand oil was extracted from the Xinjiang tar sands and some kinds of asphalt products with special uses and higher value were prepared from the said oil.
以新疆小西沟、风城两种油砂为原料，利用甲苯抽提制取的油砂稠油研制开发高价值的特种沥青产品。
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