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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, Agronomy/Phytopathology Groups, AP 54

    The regulation of autophagy of susceptible Nicotiana tabacum under tobacco mosaic virus infection

    YANG Jinguang(1); LIU Xaingfu(1); LIU Wei(1); QIAN Yumei(1); ZHANG Jing(2); LI Wei(2); DONG Shifei(2); WANG Yaofeng(3); HUANG Mingdi(4); WANG Fenglong(1)
    (1) Tobacco Research Institute, Chinese Academy of Agricultural Sciences, Key Laboratory of Tobacco Pest Monitoring Controlling & Integrated Management, Qingdao, P.R. China; (2) Hongyun Honghe Tobacco (Group) Co., Ltd., Kunming, P.R. China; (3) Qingyang Branch of Gansu Province Tobacco Company, Xifeng, P.R. China; (4) Longnan Tobacco Company, Gansu Tobacco Cooperation, Wudu 746000, P.R. China
    Autophagy (or self-eating) is an important conserved process by which eukaryotic cells recycle intracellular components. This study was undertaken to elucidate whether tobacco mosaic virus (TMV) infection on tobacco plants induced autophagy. TMV-U1...
  3. 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....
  4. 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...
  5. CORESTA Meeting, Smoke Science/Product Technology, 2015, Jeju, STPOST 03

    Development and application of FT-NIRs model for online monitoring of the quality of cut tobacco in primary processing line

    YI Hao(1); LI Jun(1); LIU Wei(1); DU Wen(1,2); WANG Zhiguo(1); CHEN Zengping(2)
    (1) Technology Center, China Tobacco Hunan Industrial Co., Ltd. of CNTC, Changsha, P.R. China; (2) College of Chemistry and Chemical Engineering, Hunan University, Changsha, P.R. China
    Near infrared (NIR) spectroscopy is especially suitable for online monitoring of the productive process due to its fast and non-destructive detection feature. The online monitoring of cut tobacco is important for cigarette industrial enterprises to...
  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...
  7. Tobacco Science & Technology, 2012, 6, p. 63-66, 71, ISSN.1002-0861

    Effects of smoking regime on ammonia delivery in mainstream cigarette smoke

    ZHANG Xia; XU Yong; LIU Wei; JIN Yongcan; CAO Hongyun; HU Shouyi; MA Yan; CHEN Yongkuan; MIAO Mingming
    Key Laboratory of Tobacco Chemistry, Yunnan Academy of Tobacco Science, Kunming 650106, P.R. China
    In order to investigate the influences of smoking regime on the ammonia delivery in mainstream cigarette smoke, 4 cigarette samples were smoked under different smoking regimes on smoking machine, and the ammonia deliveries in mainstream smoke of...
  8. Tobacco Science & Technology, 2011, 10, p. 58-60., ISSN.1002-0861

    Differential analysis of hydrogen cyanide delivery in mainstream smoke of different domestic[Chinese] and imported cigarettes

    XU YONG; ZHANG XIA; LIU WEI; CHEN YONG-KUAN; JIN YONG-CAN; YANG SHUAI; MA YAN; CAO HONG-YUN; RUI XIAO-DONG; MIAO MING-MING
    Key Laboratory of Tobacco Chemistry, Yunnan Academy of Tobacco Science, Kunming 650106, P.R. China
    The hydrogen cyanide (HCN) content in mainstream smoke of 157 domestic and imported cigarette samples were determined with continuous flow method, and the results were statistically analyzed. The results showed that: 1) the HCN delivery of domestic...
  9. Tobacco Science & Technology, 2011, 9, p. 71-74., ISSN.1002-0861

    Relationship between derivative appearance quality indexes and intrinsic traits of flue-cured tobacco

    TANG ZHAO-QI(1); LIU WEI(1,2); PAN HONG-YUAN(3); DOU YU-QING(1,2)
    1. Shanghai Tobacco (Group) Corporation, Shanghai 200082, P.R. China 2. Tobacco Research Institute of CNTC, Qingdao 266101, Shandong, P.R. China 3. Huahuan International Tobacco Co., Ltd., Fengyang 233100, Anhui, P.R. China
    In order to investigate the relationship between the derivative appearance quality indexes, which have not been involved in the standard of Flue-cured Tobacco (GB2635-1992), but often used in tobacco quality evaluation, and intrinsic traits of...
  10. 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...