insoluble tar
常見例句
- It was found that coal tar pitch could not be used as-received to prepare useful carbon foams because of their higher quinoline insoluble (QI) fraction.
結(jié)果發(fā)現(xiàn)，由于煤焦油瀝青不含中間相，且QI含量較高，導(dǎo)致在實(shí)驗(yàn)條件下不能直接制備出合格的炭泡沫。 返回 insoluble tar