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  1. CORESTA Meeting, Smoke Science/Product Technology, 2023, Cancun, ST 31

    Emotion analysis of consumer comments on cigarette products by integrating multi-level features

    WANG Rui; WANG Di; ZONG Guohao; WANG Yongsheng; HU Bin; FENG Weihua
    Zhengzhou Tobacco Research Institute of CNTC, Zhengzhou, Henan, China
    Text emotion analysis uses natural language processing techniques to extract important features and determine the emotional colour of text, which is important for research in social opinion analysis and economic activity prediction. In order to...
  2. CORESTA Meeting, Smoke Science/Product Technology, 2023, Cancun, ST 41

    Study on the combustion coupling-matching mechanism of cigarette ash integration during smoking

    WANG Xiaofeng(1); ZHANG Jin(1); WANG Peng(1); ZHANG Xiaoyu(1); ZHANG Yaping(1); ZHANG Qi(2); CAO Yun(1); GUAN Mingjing(1); WANG Le(2); GUO Dongfeng(1); TIAN Huijuan(1); LI Yanyan(1); LI Bin(2); ZHOU Shun(1)
    (1) Key Laboratory of Combustion & Pyrolysis Study of CNTC, Anhui Tobacco Industrial Co., Ltd., Hefei, China; (2) Zhengzhou Tobacco Research Institute of CNTC, Zhengzhou, China
    Cigarette paper and cut filler, as direct participants in cigarette combustion, couple with each other during cigarette smouldering, making their combustion interdependent. This combustion coupling-matching phenomenon directly affects the smoke...
  3. CORESTA Meeting, Smoke Science/Product Technology, 2023, Cancun, ST 45

    Filtration characteristics of polycyclic aromatic hydrocarbons in mainstream cigarette smoke by tobacco rod

    SUN Xuehui(1); FENG Weiwei(1); QIN Yaqiong(1); GUO Jizhao(1); CAO Yi(2); SUN Peijian(1); WANG Yipeng(1); ZHU Huaiyuan(2); XIE Fuwei(1); NIE Cong(1)
    (1) Zhengzhou Tobacco Research Institute of CNTC, Zhengzhou, Henan, China; (2) China Tobacco Jiangsu Industrial Co., Ltd., Nanjing, China
    Tobacco rod filtration plays an important role in the formation and delivery of cigarette smoke. To investigate the filtration properties of smoke constituents in tobacco rod during smoking, a method was established for the quantitative analysis of...
  4. CORESTA Meeting, Smoke Science/Product Technology, 2023, Cancun, STPOST 32

    Simultaneous determination of six furans in aerosol of heated tobacco products by gas chromatography/mass spectrometry

    ZHANG Li(1); WANG Weiwei(1); WANG Bing(2); DONG Rui(1); YIN Fang(1); TONG Fuqiang(1); JI Houwei(1); LIU Yuming(1)
    (1) Technology Center, China Tobacco Guizhou Industrial Co., Ltd., Guiyang, China; (2) Zhengzhou Tobacco Research Institute of CNTC, Zhengzhou, China
    Due to the absence of high-temperature pyrolysis and combustion, the releases of most harmful components from heated tobacco products (HTPs) are much lower than those from conventional cigarettes (CCs). However, some harmful components were reported...
  5. CORESTA Meeting, Smoke Science/Product Technology, 2021, Online, ST 10

    Modelling and simulation of electromagnetic heating smoking set with multi physical field

    BAO Jun(1); HAN Jingmei(2); LI Zhiqiang(2); ZHANG Jianming(3); LEI Ping(2); SHANG Shanzhai(2); YE Bo(1); MA Jun(1); LI Bin(3)
    (1) Faculty of Information Engineering and Automation, Kunming University of Science and Technology, Kunming, China; (2) Technical Centre of Yunnan China Tobacco Industry Co., Ltd, Kunming, China; (3) Zhengzhou Tobacco Research Institute of CNTC, Zhengzhou, China
    In heat-not-burn cigarettes, electromagnetic heating has the advantages of uniform heating and fast heating speed compared with traditional resistance plate heating. However, there are still some problems in domestic electromagnetic heating smoking...
  6. CORESTA Meeting, Smoke Science/Product Technology, 2021, Online, ST 11

    Simulation research on temperature field distribution of electric heating non-combustion cigarette heater

    DENG Weiquan(1); LI Zhiqiang(2); HAN Jingmei(2); WANG Le(3); LEI Ping(2); SHANG Shanzhai(2); MA Jun(1); ZHANG Ke(3)
    (1) Faculty of Information Engineering and Automation, Kunming University of Science and Technology, Kunming, China; (2) Technical Centre of Yunnan China Tobacco Industry Co., Ltd, Kunming, China; (3) Zhengzhou Tobacco Research Institute of CNTC, Zhengzhou, China
    Compared with traditional cigarettes, heat-not-burn cigarettes only heat the tobacco materials or tobacco extracts instead of burning. The heating temperature of heat-not-burn cigarettes is generally about 300 °C, and the harmful substances...
  7. 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...
  8. CORESTA Meeting, Smoke Science/Product Technology, 2021, Online, ST 26

    Key parameters affecting the release of aldehydes in e-cigarette aerosols

    FAN Meijuan; CUI Huapeng; PAN Lining; CHEN Li; GUO Junwei; ZHAO Le; WANG Hongbo; HUA Chenfeng; LIU Shaofeng
    Zhengzhou Tobacco Research Institute of CNTC, Zhengzhou, China
    In recent years, the sales of electronic cigarettes (e-cigarettes) have grown exponentially, and the aldehydes in e-cigarette aerosols have raised concerns. This study aims to investigate the effects of key parameters, the ratio of propylene glycol...
  9. CORESTA Meeting, Smoke Science/Product Technology, 2021, Online, ST 36

    Simultaneous detection of 35 organosulfur compounds in cigarette smoke by GC-MS/MS coupled with sulfur chemiluminescence detector

    QIN Yaqiong; LIU Ruihong; WANG Xiaoyu; XIE Fuwei; PAN Lining; CHEN Li; WANG Bing; YU Jingjing; CAI Junlan; LIU Shaofeng
    Zhengzhou Tobacco Research Institute of CNTC, Zhengzhou, China
    Organosulfur compounds are of great concern in food science because they play an important role in the flavour and taste of food due to their extremely low odour threshold levels and high sensory impact. They also exist in cigarette smoke, mainly in...
  10. CORESTA Meeting, Smoke Science/Product Technology, 2021, Online, ST 54

    Effects of cigarette circumference on cigarette ventilation rate during smoking

    DENG Nan(1,2); ZHANG Qi(2); ZHAO Wenkang(2,3); WANG Hui(4); WANG Le(2); TAO Hong(5); YIN Xianzhong(6); DAI Lu(4); GU Junping(5); YU Hongxiao(7); WANG Bing(2); LI Bin(2)
    (1) Instrumental Analysis Center, Xi'an Jiaotong University, Xi’an, Shaanxi, China; (2) Zhengzhou Tobacco Research Inst. of CNTC, Zhengzhou, Henan, China; (3) China Tobacco Guangxi Ind. Co., Ltd, Nanning, Guangxi, China; (4) China Tobacco Zhejiang Ind. Co., Ltd, Hangzhou, Zhejiang, China; (5) China Tobacco Guangdong Industrial Co., Ltd, Guangzhou, Guangdong, China; (6) China Tobacco Henan Industrial Co., Ltd, Zhengzhou, Henan, China; (7) China Tobacco Shandong Industrial Co., Ltd, Jinan, Shandong, China
    Cigarette ventilation is one of the key parameters during cigarette design, that strongly affects cigarette combustion behaviour and the smoke components released. When combustion occurs, smoke is produced and transferred from the cut tobacco to the...