Search Results

8 results

  1. CORESTA Meeting, Smoke Science/Product Technology, 2017, Kitzbühel, STPOST 10

    Methods for characterising morphological and structural variations of cut tobacco in cigarettes during smoking

    WANG Liang(1); YIN Donghong(1); XIE Guoyong(1); LI Bin(2); TAN Xinliang(1); DU Wen(1)
    (1) Hunan Industrial Co., Ltd of CNTC, Research and Development Center, Changsha, Hunan, P.R. China; (2) Zhengzhou Tobacco Research Institute of CNTC, Zhengzhou, Henan, P.R. China
    The morphological and structural variations of cut tobacco significantly influence the state of a burning cigarette and the formation of smoke constituents. A series of new methods for characterising the micro-structure of cut tobacco, planar structure of ...
  2. CORESTA Congress, Berlin, 2016, Smoke Science/Product Technology Groups, ST 13

    Determination of harmful components in mainstream cigarette smoke by FT-NIR spectrometry equipped with Cambridge filter pads

    REN Jianxin(1); WANG Zhiguo(1); LIU Wei(1); DU Wen(1); ZHONG Kejun(1); LIU Huimin(2); HU Qingyuan(3)
    (1) Hunan Industrial Co., Ltd. of CNTC, Technonlgy Center, Changsha, Hunan, P.R. China; (2) Zhengzhou Tobacco Research Institute of CNTC, Zhengzhou, Henan, P.R. China; (3) China National Tobacco Quality Supervision & Test Center, Zhengzhou, Henan, P.R. China
    The yields of harmful components in cigarette smoke are basic parameters to evaluate the harm of cigarettes. However, the existing detection methods for most harmful components in mainstream cigarette smoke are complicated and time consuming. Therefore a ...
  3. CORESTA Meeting, Smoke Science/Product Technology, 2015, Jeju, ST 04

    Computational fluid dynamics simulation of cigarette smoke particulate phase retained by cigarette filter

    WEN Jianhui(1); DU Wen(1); ZHONG Kejun(1); ZHANG Xiaobing(2); PENG Bin(2); LIU Huimin(2)
    (1) Technology Center, China Tobacco Hunan Industrial Co., Ltd. of CNTC, Changsha, P.R. China; (2) Zhengzhou Tobacco Research Institute of CNTC, Zhengzhou, P.R. China
    A computational fluid dynamics model was developed to simulate the flow and retention of cigarette smoke aerosol particulate phase in an acetate filter whilst using nicotine as a surrogate for the particulate phase of the mainstream smoke. A volume ...
  4. CORESTA Congress, Quebec, 2014, Smoke Science/Product Technology Groups, ST 33

    Filtration and retention characteristics of crotonaldehyde in cigarette filters

    WEN Jianhui(1); DU Wen(1); PENG Bin(2); LI Bin(2); ZHANG Xiaobing(2); XIE Fuwei(2); LIU Huimin(2); ZHONG Kejun(1)
    (1) China Tobacco Hunan Industrial Co., Ltd, Technology Center, Changsha, P.R. China; (2) Zhengzhou Tobacco Research Institute of CNTC, Zhengzhou, Henan, P.R. China
    In order to study the filtration and retention characteristics of crotonaldehyde in cigarette filters, the filtration efficiencies of crotonaldehyde were investigated in regular acetate filter under ISO and Health Canada Intense (HCI) smoking regimes, and ...
  5. CORESTA Meeting, Smoke Science/Product Technology, 2013, Seville, ST 31

    Retention distribution patterns of nicotine and phenolic compounds in filters

    WEN Jianhui(1); DU Wen(1); PENG Bin(2); ZHANG Xiaobing(2); XIE Fuwei(2); LIU Huimin(2); ZHONG Kejun(1)
    (1) China Tobacco Hunan Industrial Co., Ltd., Technology Center, Changsha, Hunan, P.R. China; (2) Zhengzhou Tobacco Research Institute of CNTC, Zhengzhou, Henan, P.R. China
    The retention distribution patterns of nicotine and seven phenolic compounds in cigarette filters were studied. The nicotine and seven phenolic compounds retained in each segment were quantitatively analysed after the filters were transversely and ...
  6. CORESTA Meeting, Smoke Science/Product Technology, 2013, Seville, STPOST 07

    Smoking puff ratio of cigarettes and its determination method

    WANG Zhiguo(1); ZHANG Xiaobing(2); LIU Wei(1); PENG Bin(2); DU Wen(1); ZHONG Kejun(1); LIU Huimin(2)
    (1) China Tobacco Hunan Industrial Co., Ltd., Technology Center and Changsha Cigarette Factory, Changsha, Hunan, P.R. China; (2) Zhengzhou Tobacco Research Institute of CNTC, Zhengzhou, Henan, P.R. China
    The ratio between cut tobacco burned at puffing stage and cut tobacco burned during the whole smoking process of a cigarette was defined as smoking puff ratio (SPR), and a method for determining the SPR of a cigarette was proposed. Cigarettes were smoked ...
  7. CORESTA Congress, Sapporo, 2012, Smoke Science/Product Technology Groups, PT 02 (Poster)

    Filtration efficiencies and distribution patterns of nicotine in filters of different structure

    WEN Jian-hui(1); DU Wen(1); PENG Bin(2); ZHANG Xiao-bing(2); LIU Xiao-qing(1); LI Yan-ping(1); XIE Fu-wei(2); WANG Zhi-guo(1); LIU Hui-min(2)
    (1) R&D Center of China Tobacco Hunan Industrial Co., Ltd., Changsha, Hunan, P.R. China; (2) Zhengzhou Tobacco Research Institute of CNTC, Zhengzhou, Henan, P.R. China
    The filtration efficiencies of filters of different structure to nicotine and the space distribution patterns of nicotine retention in filters were studied. By quantitatively analysing the nicotine deliveries in mainstream cigarette smoke and nicotine ...
  8. Tobacco Science & Technology, 2011, 12, p. 43-46., ISSN.1002-0861

    Application of optimization algorithm for discrete particle swarm and principal component projection analysis in chromatographic fingerprint analysis of cigarette smoke

    WEN JIAN-HUI(1); ZHONG KE-JUN(1); DU WEN(1); YIN DONG-HONG(1); LIU HUI-MIN(2)
    1. Technology Center of China Tobacco Hunan Industrial Co., Ltd., Changsha 410007, P.R. China; 2. Zhengzhou Tobacco Research Institute of CNTC, Zhengzhou 450001, P.R. China
    In order to create distinguishable chromatogram models for mainstream cigarette smoke samples of similar style, the GC-TOFMS chromatographic sections of 38 smoke samples of two sets of the same brand cigarettes were processed with optimization algorithm ...