烟叶化学成分  Tobacco chemical components; tobacco leaf chemical component; composition ot tobacco leaves; tobacco composition; tobacco leaf chemical ingredient

常规化学成分  chemical components; Routine chemical component; routine chemical components; regular chemistry; routine chemical compositions

竹叶化学成分  chemical substance in bamboo leaves

常规化化学指标  General chemical index

多组分化学成分  Multi-chemical ingredients

化学成分分布  chemical constituents analysis

化学成分分析  chemical analysis; Alkaloid; effective fragmentation; chemical composition; analysis of chemical ingredients; analyzing of chemical components; chemical component analysis; Chemical composition analysis

湖南衡阳钢管集团有限公司；中南大学化学化工学院  hunan hengyang steel tube co.; ltd.hengyang

昆明市环境监测中心；青岛大学化学化工与环境学院  kunming environmental monitoring centre

齐齐哈尔市环境监测中心站；齐齐哈尔大学化学化工学院  qiqihar environment monitoring center qiqihar

中部烟叶  middle leaves of tobacco

中国地质大学化学分析室  chemical analysis laboratory; China University of Geosciences

中国海洋大学化学化工学院  Ocean University of China; The College of Chemistry and Chemical Engineering; College of Chemistry and Chemical engineering; College of Chemistry Chemical Engineering; Ocean University of China Qingdao; College of Chemistry and Chemical Engineenng

中国石油大学化学化工学院  College of Chemistry and Chemical engineering; China University of Petroleum

中南大学化学化工学院  School of Chemistry and Chemical Engineering; central south university; College of Chemistry and Chemical engineering

中南工业大学化学化工学院  College of Chemistry and Chemical engineering; Central South University of Technology

中文化学成分  chemical component

中性化学成分  neutral constituents; neutral chemical constituents

中学化学  CHEMICAL; middle school chemical; chemistry for high school; chemistry of junior high school; chemistry of high school; chemistry in middle school

中学化学教改  education reform in middle school chemistry