常見(jiàn)例句雙語(yǔ)例句A brown coal, a high-volatile bituminous coal and a low-volatile bituminous coal were pyrolysed at a slow heating rate in a thermogravimetric analyser.在熱天平上采用慢速升溫制備了褐煤、高揮發(fā)分煙煤和低揮發(fā)分煙煤的半焦。The results show that at lower burn-off, the high content of Datong bituminous coal is favorable for preparing activated carbons with high iodine value and methylene blue value.試驗(yàn)結(jié)果表明，大同煙煤配比較高時(shí)，有利于在低燒失率下制備高碘值、高亞甲藍(lán)值的活性炭；The Wangjiapu coal measures are controlled by structure of moderate complexity, and are extremely irregular and composed of bituminous coal with high sulfur and low ash content;王家鋪煤組屬構(gòu)造中等、煤層極不穩(wěn)定型，煤質(zhì)為高硫、低灰份之煙煤； 返回 high bituminous coal