烟叶化学成分
Tobacco chemical components
tobacco leaf chemical component
tobacco composition
tobacco leaf chemical ingredient
composition ot tobacco leaves
常规化学成分
Routine chemical component
routine chemical components
regular chemistry
routine chemical compositions
chemical components
竹叶化学成分
chemical substance in bamboo leaves
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
analysis of chemical ingredients
analyzing of chemical components
chemical component analysis
Chemical composition analysis
chemical composition
Alkaloid
effective fragmentation
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
The College of Chemistry and Chemical Engineering
College of Chemistry and Chemical engineering
College of Chemistry Chemical Engineering
College of Chemistry and Chemical Engineenng
Ocean University of China Qingdao
Ocean University of China
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
College of Chemistry and Chemical engineering
School of Chemistry and Chemical Engineering
central south university
中南工业大学化学化工学院
College of Chemistry and Chemical engineering
Central South University of Technology
中性化学成分
neutral constituents
neutral chemical constituents
中学化学
middle school chemical
chemistry of high school
chemistry in middle school
chemistry for high school
chemistry of junior high school
CHEMICAL
中学化学教改
education reform in middle school chemistry