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6 results

  1. Tobacco Science & Technology, 2011, 12, p. 26-33., ISSN.1002-0861

    Calculation of ionization energy of cigarette smoke component and its applications in qualitative analysis

    WANG CHENG-HUI(1); HU YONG-HUA(1); WANG JIAN(2); XU YING-BO(1); PAN YANG(2)
    1. Technology Center, China Tobacco Anhui Industrial Co., Ltd., Hefei 230088, P.R. China; 2. National Synchrotron Radiation Laboratory, University of Science and Technology of China, Hefei 230029, P.R. China
    : In order to systemically evaluate the reliability of the method of predicting ionization energy with density functional method in quantum chemistry [B3LYP/6-311++G(d,p)] and composite ab initio (G3B3), 70 chemical portions of known ionization...
  2. Tobacco Science & Technology, 2011, 12, p. 52-55., ISSN.1002-0861

    Simultaneous determination of five neonicotinoids pesticide residues in tobacco leaf with SPE-LC/MS/MS

    HE QING; XU YING-BO; WANG CHENG-HUI; TIAN ZHEN-FENG; ZHU DONG-LIANG
    Technology Center, China Tobacco Anhui Industrial Corporation, Hefei 230088, P.R. China
    By comparing the affinities of silica gel, graphitized carbon, C18, and polymer cartridges for the analyzed pesticides, a method for simultaneously determining five neonicotinoid pesticides, including nitenpyram, thiamethoxam, imidacloprid,...
  3. Tobacco Science & Technology, 2011, 12, p. 61-64., ISSN.1002-0861

    Reaction of tobacco to oxidation stress induced by topping and bionic signal molecules

    ZHANG XIN-HUA(1,2); YAO ZHONG-DA(3); CHEN CHANG-WEI(1); CHA XIANG-DONG(2); CHENG XIN-SHENG(1)
    1. Research Center of Tobacco and Health, University of Science and Technology of China, Hefei 230052, P.R. China; 2. Biological Science College of Anhui University, Hefei 230039, P.R. China; 3. China Tobacco Anhui Industrial Co., Ltd., Hefei 230088, P.R. China
    To investigate whether the mechanical injury on tobacco by topping induces oxidation stress, the contents of superoxide anion (O2-•), hydrogen peroxide (H2O2) and malondialdehyde (MDA) and the activity of superoxide dismutase (SOD) in leaf tissue...
  4. Tobacco Science & Technology, 2011, 2, p. 35-38., ISSN.1002-0861

    Comparison of combustion behavior and gas phase pyrolytic products between flue-cured, Burley and Oriental tobacco

    ZHOU SHUN; XU YING-BO; WANG CHENG-HUI; SHU JUN-SHENG; SHE SHI-KE; TIAN ZHEN-FENG
    Technology Centre, China Tobacco Anhui Industrial Corporation, Hefei 230088, P.R. China
    Micro-scale combustion calorimetry (MCC) and thermogravimetric analysis coupled with Fourier transform infrared spectrometer (TG-FTIR) methods were applied to investigate the combustion behavior of flue-cured, burley and oriental tobaccos, as well as...
  5. Tobacco Science & Technology, 2011, 9, p. 37-40., ISSN.1002-0861

    Influencing factors and improvement of determination of hydrogen cyanide in mainstream cigarette smoke by autoanalyzer

    QU XIAN-ZHONG; CHEN KAI-BO; XU ZHI-QIANG; WANG CHENG-HUI
    Technology Center, China Tobacco Anhui Industrial Corporation, Hefei 230088, P.R. China
    In order to determine hydrogen cyanide (HCN) in mainstream cigarette smoke with autoanalyzer more accurately, the effects of formaldehyde, acetaldehyde, acetone and acrolein, as well as the concentration of formaldehyde on the determination system...