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  1. CORESTA Congress, Online, 2022, Smoke Science/Product Technology Groups, ST 85

    Capillary evaporation model of binary mixed solution of propylene glycol and glycerin in e-cigarette atomizer

    CHEN Jingbo(1,2); WANG Zhiguo(1); PAN Zhenhai(3); CAO Jun(1); SUN Zhiwei(1,2); LIU Wei(1); KONG Bo(1); DU Wen(1)
    (1) Technology Center, China Tobacco Hunan Industrial Co., Ltd., Changsha, China; (2) College of Mechanical and Vehicle Engineering, Hunan University, Changsha, China; (3) College of Mechanical Engineering, Shanghai Jiao Tong University, Shanghai, China
    For the current e-cigarette products on the market, the main method to generate e-cigarette aerosol is by heating the atomiser where the vaporization-condensation process occurs. E-liquid is mainly composed of a mixed solution of propylene glycol...
  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....
  3. TSRC, Tob. Sci. Res. Conf., 2016, 70, abstr. 16

    Development and evaluation of a benchtop walkaway platform for the automated solvent extractions of cambridge filter pads and agricultural tobacco samples

    LI Shijie(1); LIU Wei(1); COX J.(2); LU J.(2)
    (1) China Tobacco Yunnan Industrial Co., Ltd, Kunming, China; (2) Sirius Automation Inc., Buffalo Grove, IL, USA
    Several documented methodologies require liquid / solid extraction of smoking machine residues from standard size Cambridge filters. The efficiency and reproducibility of such solvent extractions is paramount for optimal results hence the need for...
  4. 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...
  5. CORESTA Congress, Edinburgh, 2010, PT 07

    Development of deep-cavity calixarene materials for selectively reducing benzo[a]pyrene and major phenolic compounds in mainstream cigarette smoke

    MAO Youan; ZHONG Kejun; LIU Wei; ZHANG Fen; LIAN Wenliu; LU Hongbing
    Technical Center, China Tobacco Hunan Industrial Co. Ltd., Changsha, China
    In order to selectively reduce the contents of benzo[a]pyrene and major phenolic compounds in mainstream cigarette smoke (MCS), two kinds of deep-cavity calixarene powder materials, p-[1-(4-methoxyphenyl)-1-methyl-ethyl] calyx[8]arene (I) and...