It was shown that the reaction rates of the charcoals prepared from pine wood, cocoanut shell, almon

中文解释

研究结果表明：水蒸汽浓度对从松树、椰子壳、杏核、橄榄核制成的炭和烟煤在反应中有较强的影响，褐煤和无烟煤影响不大。