Methods of modified coal tar pitch for preparing high specific surface area activated carbon were studied.
研究了用于制备高比表面积活性炭的改质煤沥青的调制方法。
2
These planets would be lacking in water So, if temperatures were sufficiently high, liquid on their surface would consist of carbon-rich compounds, such as tar, he says.
他说，这类行星可能少水，这样的话温度就会非常高，其表面可能就会有多碳的液态化合物，如焦油等。
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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.