Help

Search Results

39 results

  1. Tobacco Science & Technology, 2004, 3, p. 31-4, ISSN.1002-0861

    Application of wavelet transform and partial least square in prediction of common chemical compositions in tobacco samples

    WANG FANG; CHEN DA; SHAO XUE-GUANG
    University of Science & Technology of China, Dept. of Chemistry, Hefei, China
    In order to analyze tobacco samples with near infrared spectrum quickly, the data was compressed by wavelet transform (WT) and the model on the compressed data was developed by partial least square (PLS). In comparison with PLS algorithm, the WT-PLS...
  2. Tobacco Science & Technology, 2004, 5, p. 6-10, ISSN.1002-0861

    High performance liquid chromatographic determination of major phenolic compounds in mainstream and sidestream cigarette smoke

    XIE FU-WEI; ZHAO MING-YUE; WANG SHENG
    University of Science & Technology of China, Dept. of Chemistry, Hefei, China
    A high-performance liquid chromatographic (HPLC) method for simultaneously determining the major phenolic compounds, including hydroquinone, resorcinol, catechol, phenol, m+p-cresol and o-cresol, in mainstream and sidestream cigarette smoke was...
  3. Tobacco Science & Technology, 2005, 2, p. 44-8, ISSN.1002-0861

    Recent advances in Lasioderma serricorne (Fabricius)

    XUE BAO-YAN; CHENG XIN-SHENG; WEI CHONG-SHENG
    University of Science and Technology of China, Research Center of Tobacco and Health, Hefei, China
    The advances in the biology, ecology and control of Lasioderma serricorne (Fabricius) in recent ten years were reviewed, and the function of the yeast-like symbiont in Lasioderma serricorne (F.), the application of natural products and physical...
  4. Tobacco Science & Technology, 2007, 3, p. 51-5, ISSN.1002-0861

    Effects of methyl jasmonate induced tobacco resistance to Spodoptera Litura (F.)

    XI ZHENG; CHENG XIN-SHENG; YANG LI-WEN
    University of Science and Technology of China, Research Center of Tobacco and Health, Hefei, China
    The inducement and time effects of different concentration of methyl jasmonate (MeJA) on peroxidase, polyphenol oxidase, trypsin proteinase inhibitor and chrymoltrypsin proteinase inhibitor in tobacco leaves were studied, and Spodoptera Litura (F.)...
  5. Tobacco Science & Technology, 2007, 5, p. 34-40, ISSN.1002-0861

    Determination of HCN in mainstream cigarette smoke by continuous flow analyzer

    DU WEN; ZHOU YU; CAO JI-HONG
    University of Science & Technology of China, Dept. of Chemistry, Hefei, China
    In order to determine the delivery of HCN in mainstream cigarette smoke rapidly and accurately, the effects of smoke trapping method, coloring temperature and duration, pH value of buffer solution, 14 anions and 15 cations, and storing duration of...
  6. Tobacco Science & Technology, 2006, 1, p. 58-62, ISSN.1002-0861

    Studies on CMV spreading rate of red and green aphid populations

    HONG JIA-BAO; DENG JIAN-HUA
    University of Science and Technology of China, Tobacco and Health Research Center, Hefei, China
    The CMV spreading rate of red and green aphid, Myzus persicae , populations and the virus carrying ability of aphid were studied. The results showed that both red and green aphid populations could pick up or spread virus within 0.5 minutes, the...
  8. Tobacco Science & Technology, 2006, 2, p. 53-5, ISSN.1002-0861

    Effects of S-ABA and microelements on germination of flue-cured tobacco seed

    LI ZHANG-HAI; WANG NENG-RU; FENG YONG-GANG
    University of Science and Technology of China, Research Center of Tobacco and Health, Hefei, China
    The effects of seed soaked with S-ABA, B, Zn and Mo on the germinating viability and percentage of tobacco seeds of cv. Hongda, NC82, Yunyan87 and Guiyan4 were studied. The results showed that the germinating viability and percentage of experimented...
  9. Tobacco Science & Technology, 2006, 3, p. 59-61, ISSN.1002-0861

    Control effect of 1% imidacloprid lot against Myzus persicae (Sulzer)

    LI ZHANG-HAI; WANG FANG-XIAO
    University of Science and Technology of China, Tobacco and Health Research Center, Hefei, China
    The field trials of controlling Myzus persicae (Sulzer) with 1% imidacloprid lot were carried out during 2003-2004. The results indicated that the control effects of 1% imidacloprid lot against tobacco aphids reached 97.5%-100% within 20 days after...