coal-tar solution ; liquor picis carbonis
浓煤焦油溶液 Strong Coal Tar Solution
煤焦杂酚油溶液 coal-tar creosote solution
复方煤焦油酸溶液 New Formula Farm Fluid
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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 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.
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