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66 results

  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 Meeting, Agronomy/Phytopathology, 2021, Online, AP 09

    A novel NAC transcription factor, NtNAC060 enhances the bacterial wilt resistance and salt stress tolerance in tobacco

    LI Xiaoxu(1); PU Wenxuan(1); YI Jianhua(1); GUO Yongfeng(2); GAO Junping(1); WANG Dong(1)
    (1) China Tobacco Hunan Industrial Co., Ltd, Changsha, China; (2) Tobacco Research Institute, Chinese Academy of Agricultural Sciences, Qingdao, China
    Bacterial wilt, as a bacterial disease, seriously impacts the growth of tobacco. The NAC transcription factors comprise one of the largest transcription factor families in plants, which play an important role in stress responses and bacterial disease...
  3. CORESTA Meeting, Smoke Science/Product Technology, 2021, Online, ST 13

    Numerical simulation of smoke flow field characteristics and temperature distribution of circumferential heated tobacco products

    SUN Zhiwei(1); DU Wen(1); WANG Zhiguo(1); WANG Wei(1); CHEN Jingbo(1); LUO Wei(1); WEN Jianhui(1); HUANG Ping(1); YIN Xinqiang(1); ZHANG Mingjian(2); LI Bin(2); HUANG Zhengwei(3); ZHANG Zhang(3); GUI Qinfeng(3); DAI Hongliang(3)
    (1) Technology Center, China Tobacco Hunan Industrial Co., Ltd, Changsha, China; (2) Zhengzhou Tobacco Research Institute of CNTC, Zhengzhou, China; (3) College of Mechanical and Vehicle Engineering, Hunan University, Changsha, China
    Heated tobacco products have gradually become an important development direction and research hotspot of tobacco products because of their remarkable advantages in reducing the releases of harmful components. In order to carry out the research and...
  4. CORESTA Meeting, Smoke Science/Product Technology, 2021, Online, ST 27

    Development of new chemicals for e-cigarette vaping based on machine learning

    HUANG Jiaruo; DU Wen; YIN Xinqiang; YI Jianhua; CAO Jun; CHEN Jingbo; WANG Zhiguo
    China Tobacco Hunan Industrial Co., Ltd, Changsha, Hunan, China
    In order to overcome the disadvantages of e-cigarettes with glycerol and propylene glycol as the carrier liquid during vaporing, a recurrent neural network (RNN) model based on glycerol was employed in this study to generate plenty of new type...
  5. CORESTA Meeting, Smoke Science/Product Technology, 2019, Hamburg, ST 21

    A model based on cigarette density segmentation method for predicting burning cone drop rate of slim cigarettes

    TAN Chao; WANG Shitai; JIN Yong; CHEN Qian; TAN Haifeng; LI Ke; FAN Hongmei; LIU Qi; LI Rui; YU Saibo
    China Tobacco Hunan Industrial Co., Ltd. of CNTC, Hunan, P.R. China
    Burning cone drop is a potential safety problem and quality defect for slim cigarettes. In order to conveniently monitor the burning cone drop rate, a model based on cigarette density segmentation method was established and used for predicting the...
  6. CORESTA Meeting, Smoke Science/Product Technology, 2019, Hamburg, STPOST 02

    Electro-thermal simulation analysis of heaters in tobacco heating devices

    SUN Zhiwei(1); WANG Wei(1); DU Wen(1); WEN Jianhui(1); XIE Guoyong(1); WANG Zhiguo(1); DAI Hongliang(2)
    (1) China Tobacco Hunan Industrial Co., Ltd., Changsha, P.R. China; (2) College of Mechanical and Vehicle Engineering, Hunan University, Changsha, P.R. China
    Heat-not-burn tobacco products have gradually become an important development direction and a key research topic of tobacco products due to their remarkable advantages in reducing the release of harmful components. As a heat source for cigarette...
  7. TSRC, Tob. Sci. Res. Conf., 2019, 73, abstr. 042

    Determination of amounts of harmful substances migrating from plastic assemblies in electronic cigarettes

    FAN Meijuan(1); PAN Lining(1); CUI Huapeng(1); DUAN Yuanxing(2); LIU Yibo(3); NIU Jiajia(1); MAO Youan(4); CHEN Li(1); GUO Junwei(1); LIU Shaofeng(1); WANG Hongbo(1); LIU Huimin(1); ZHAO Le(1)
    (1) Zhengzhou Tobacco Research Institute of CNTC, Zhengzhou, P.R. China; (2) Technology Center of China Tobacco Yunnan Industrial, Kunming, P.R. China; (3) Technology Center of China Tobacco Guangdong Industrial, Guangzhou, P.R. China; (4) Technology Center of China Tobacco Hunan Industrial, Changsha, P.R. China
    Plastic materials are widely used in assemblies of e-cigarettes. Plastic materials shall not transfer harmful substances to the content of e-liquid in quantities which change the composition of the e-liquid or the aerosol and thereby increase the...
  8. CORESTA Congress, Kunming, 2018, Agronomy/Phytopathology Groups, APPOST 11

    Field trials with low nicotine tobacco varieties developed by conventional breeding technique: first results

    MALPICA A.(1); EVANS W.(2); ARCHIBALD C.(3); SCOTT L.(4); GARWE D.(5); CHAMANGO A.M.Z.(6); DORLHAC de BORNE F.(7); COLARD S.(8)
    (1) Bergerac Seed and Breeding, Bergerac, France; (2) Imperial Tobacco South Africa Pvt. Ltd, Umhlanga, Durban, South Africa; (3) Alliance One International Services, Camberley, Surrey, U.K.; (4) Universal Leaf Tobacco Co., Richmond, VA, U.S.A.; (5) Tobacco Research Board (TRB), Harare, Zimbabwe; (6) Agricultural Research & Extension Trust (ARET), Lilongwe, Malawi; (7) Imperial Tobacco Limited, Bergerac, France; (8) SEITA - Imperial Brands plc, Paris, France
    In 2015, the World Health Organisation (WHO) Study Group on Tobacco Product Regulation (“TobReg”) issued an advisory note recommending a strategy of reducing nicotine in tobacco to substantially lower levels of 0.4 mg/g. In the U.S., the Food and...