The free acid, combined acid, alcohol and hydrocarbon fractions in brown coal resin, separated from Zhaotong brown coal wax (Yunnan Province), were studied on gas chromato- graphy-mass spectrometer.
对云南昭通褐煤蜡树脂中游离酸、结合酸、树脂醇、树脂烃进行了GC-MS研究。
Copyright © 2022-2025 字海网 zi.yyxxoo.com All Rights Reserved 赣ICP备16001187号
字海网是专业的汉语在线工具集,提供权威的汉语字典、词典、成语、古诗词及英语词典查询服务,致力于传承和弘扬中华语言文化。合作与反馈请联系QQ:2830130449。
本站内容来源网络,如涉及版权或表述问题,请及时联系QQ:2830130449。