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78 results

  1. Tobacco Science & Technology, 2010, 7, p. 39-42., ISSN.1002-0861

    Transfer of 29 organophosphorus pesticides in cut tobacco to particulate matter in mainstream cigarette smoke and cigarette butt

    ZHANG HONG-FEI(1); HU QING-YUAN(1); TANG GANG-LING(1); BIAN ZHAO-YANG(1); WANG FANG(2)
    1. China National Tobacco Quality Supervision Test Center, Zhengzhou 450001, P.R. China; 2. Shenzhen Cigarette Factory, Shenzhen 518109, Guangdong, P.R. China
    Twenty-nine organophosphorus pesticides were added into the test cigarettes, the transfer rates of these pesticides to the particulate matter (PM) in mainstream cigarette smoke and cigarette butts were determined with gas chromatography/mass...
  2. Tobacco Science & Technology, 2010, 7, p. 43-47., ISSN.1002-0861

    Factor analysis and stepwise discriminant analysis of chemical data of blended tobacco

    ZENG XIAO-YING(1); LI QING-HUA(1,2); WANG YU(3); WANG BAO-XING(3); HOU YING(3); XU GUO-WANG(2)
    1. Technology Centre of Hongyun Honghe Tobacco (Group) Co., Ltd., Kunming 650202, P.R. China; 2. Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian 116023, Liaoning, P.R. China3. Yunnan Reascend Tobacco Technology (Group) Co., Ltd., Kunming 650106, P.R. China
    In order to find out the main chemical data influencing the smoking quality of blended tobacco, factor analysis and stepwise discriminant analysis were carried out on the basis of the test data of 16 chemical components in 3 modular tobacco blends,...
  3. Tobacco Science & Technology, 2010, 7, p. 48-52., ISSN.1002-0861

    SRAP analysis of D4 lines of Purslane DNA-introduced tobacco

    DAI LIN-JIAN(1); XU SHUANG-HONG(2); SUN HUAN-LIANG(1); WANG KUN(1); ZHONG JUN(1)
    1. College of Agronomy, Hunan Agricultural University, Changsha 410128, P.R. China; 2. China Tobacco Hunan Industrial Co., Ltd., Changsha 410128, P.R. China
    By introducing purslane DNA into tobacco via pollen-tube pathway, the 4th generation self-bred progeny (D4) was obtained, and the purity of 32 selected D4 were analyzed. The results showed that the optimum SRAP-PCR reaction system includes a solution...
  4. Tobacco Science & Technology, 2010, 7, p. 5-7., ISSN.1002-0861

    Application of principal component analysis in evaluation of distributing uniformity of cut tobacco distributor

    QI YAN-PENG(1,2); HE RONG(1); HUANG ZHI(1); TAN QI-ZHONG(1); LIU HUA(1); ZHOU MIAO-MIAO(1); LIU SHAO-MIAN(2)
    Chuzhou Cigarette Factory, China Tobacco Anhui Industrial Corporation, Chuzhou 239000, Anhui, P.R. China
    The change of cut tobacco structure before and after distributing was analyzed with principal component analysis to evaluate the performance of distributors of two different types. The results showed that: 1) the quality of tobacco distributed by a...
  5. Tobacco Science & Technology, 2010, 7, p. 53-57., ISSN.1002-0861

    Correlation between Pb, Cr and Hg contents in flue-cured tobacco and soil environmental factors in Qujing tobacco growing areas

    TANG LANG-TAO(1); ZHOU JI-HENG(1); ZHANG YI-YANG(1); XIE YAN(2); HUANG YONG(1)
    1. Key Laboratory of Tobacco Science and Health, Hunan Agricultural University, Changsha 410128, P.R. China; 2. Qujing Tobacco Company of Yunnan Province, Qujing 655000, Yunnan, P.R. China
    Ninety-six flue-cured tobacco leaf samples and accompanied soil samples were collected from typical tobacco growing counties in Qujing City, Yunnan Province, the contents of Pb, Cr and Hg in tobacco leaf and soil were determined and the correlation...
  6. Tobacco Science & Technology, 2010, 7, p. 58-61., ISSN.1002-0861

    Molecular identification of tobacco mosaic disease

    LUO CHAO-PENG; YANG JUN; JIN LI-FENG; LI FENG; WANG XIN-MIN; JIN GUANG-HUI; SONG JI-ZHEN
    Zhengzhou Tobacco Research Institute of CNTC, Zhengzhou 450001, P.R. China
    In order to establish a system for molecular identification of tobacco virus diseases, primers for TMV, CMV and PVY detection were used in RT-PCR for TMV samples, and the genetic sequence of the amplified product was analyzed at nucleic acid...
  7. Tobacco Science & Technology, 2010, 7, p. 62-64., ISSN.1002-0861

    Control effect experiment of pesticide against tobacco black shank

    XIAO YAN-SONG(1); ZENG WEI-AI(2); ZENG GUANG-QING(1); LI SHENG-YUAN(1); CHEN RUI-ZHONG(1); YANG YUN-JI(1)
    1. Anren County Branch, Chenzhou Tobacco Company of Hunan Province, Anren 423600, Hunan, P.R. China2. Chenzhou Tobacco Company of Hunan Province, Chenzhou 423000, Hunan, P.R. China
    The control effects of eight pesticides, including Bacillus subtilis B908 WP, 48% cuaminosulfate propamocarb AS, active microorganism fertilizers, 53% methalaxyl-mancozeb WG, 50% dimethomorph WP, 58% metalaxyl mancozeb WP (Baodasen), 58% metalaxyl...
  8. Tobacco Science & Technology, 2010, 8, p. 10-17., ISSN.1002-0861

    Design of cigarette blend based on analysis of volatile components in tobacco leaf

    YANG LEI(1,2); YANG QING(2); LI YONG(2)
    1. Zhengzhou University of Light Industry, Zhengzhou 450002, P.R. China; 2. Honghe Branch, Technology Center, Hongyun Honghe Tobacco Group, Mile 652300, Yunnan, P.R. China
    In order to improve cigarette quality, the volatile components in tobacco leaves of different varieties, grades, growing years and areas and cut tobacco of 3 modules making up blend A of Honghe brand series were analyzed with GC/MS. Based on the...
  9. Tobacco Science & Technology, 2010, 8, p. 18-21., ISSN.1002-0861

    Development and application of mathematical model for relationship between filling value of cut stem and draw resistance of cigarette

    CHEN XIA; WEI XIU-YUN; MENG XIA; WU XUE-QIN; JIN YI
    Anyang Cigarette Factory, China Tobacco Henan Industrial Co., Ltd., Anyang 455004, Henan, P.R. China
    In order to improve the stability of cigarette’s draw resistance and investigate the effects of filling value of cut stem on cigarette draw resistance, the linear regression experiments on the relationship between filling value of cut stem and...
  10. Tobacco Science & Technology, 2010, 8, p. 29-33., ISSN.1002-0861

    Application of measurement system analysis in cigarette processing quality management

    ZHANG BO; ZHANG YUN-LIAN; ZHU QIANG; JIANG ZHI-CAI; CHAI WU-JUN
    Technology Center, P.R. China Tobacco Zhejiang Industrial Co., Ltd., Hangzhou 310008, P.R. China
    In order to form an explicit estimation of a measurement system, the source of fluctuation in the system and its influence on measurement results were investigated. The application of MSA in cigarette quality management was introduced through...