Search Results

34 results

  1. 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...
  2. CORESTA Meeting, Smoke Science/Product Technology, 2017, Kitzbühel, ST 60

    Development and application of an online sliver content detection device

    JIANG Wei; LI Juanjuan; ZHANG Guozhi; XIE Hai; DAI Shiliang; ZHANG Baoping; FENG Zhibin; LU Yiliang; KUANG Yinqi; ZHENG Jing; SUN Zhaodong; KONG Zhen; LI Bin; FENG Suoyang; LIU Dong
    Guangdong Industry Co., Ltd of CNTC, Technology Center, South Road No. 88, Guangdong Huanchui, P.R. China
    In order to determine the sliver content in tobacco shreds in a timely fashion, an online detection device was developed based on a multistage winnower. The main components of the device are an air fan, an air velocity measurement system and a...
  3. CORESTA Meeting, Agronomy/Phytopathology, 2015, Izmir, Turkey, AP 36

    Effects of straw biochar on the growth of flue-cured tobacco and soil nutrients

    ZHANG Jixu(1,2); WANG Rui(3); LIU Dehu(4); ZHANG Jiguang(1); GAO Lin(1); DAI Yanchen(1); ZHA Ting(1); MENG Guixing(3); XIANG Bikun(3); SHEN Guoming(1)
    (1) Tobacco Research Institute of Chinese Academy of Agricultural Sciences, Key Laboratory of Tobacco Biology and Processing, Ministry of Agriculture, Qingdao, Shandong, P.R. China; (2) Qingdao Agricultural University, Qingdao, Shandong, P.R. China; (3) Enshi Branch of Hubei Tobacco Company, Enshi, Shandong, P.R. China; (4) Qingzhou Cigarette Factory, China Tobacco Shandong Industrial Co., Ltd., Shandong, Qingzhou, P.R. China
    To investigate the effect of biochar application on tobacco, pot experiments were conducted to study the impacts of applying straw biochar at different levels on tobacco growth and soil nutrients. The results showed that the growth of above-ground...
  4. 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...
  5. CORESTA Congress, Quebec, 2014, Agronomy/Phytopathology Groups, AP 51

    Degradation and residue levels of triadimefon and its toxic metabolite in tobacco leaf

    LI Yiqiang(1); YANG Liqiang(1,2); LIU Wanfeng(3); XU Guangjun(1); SUN Jianhong(2); CAO Shoutao(2); GAO Yun(2); XU Jinli(1); ZHENG Xiao(1)
    (1) Qingzhou Tobacco Research Institute of China National Tobacco Corporation, Qingdao, Shandong, P.R. China; (2) China Tobacco Shandong Industrial Co., Ltd, Jinan, Shandong, P.R. China; (3) China Tobacco Hunan Industrial Co., Ltd, Changsha, Hunan, P.R. China
    In order to further study about different factors of pesticide residues and dissipation characteristics of triadimefon and its metabolite, and provide scientific data for MRLs and proper use of pesticide on tobacco, the dissipation and residue of...
  6. CORESTA Meeting, Agronomy/Phytopathology, 2013, Brufa di Torgiano, AP 37

    Study on aging quality index based on ratio of free basic amino acids and free acidic amino acids of flue-cured tobacco

    ZHOU Xiansheng(1); CHENG Jianjun(1); MA Qiang(1); QIU Jun(2); MIAO Chongli(1); SUN Lijuan
    (1) China Tobacco Shandong Industrial Co., Ltd, Technology Center, Jinan, Shandong, P.R. China; (2) Tobacco Research Institute of CAAS, Laoshan, Qingdao, Shandong, P.R. China
    In order to judge leaf ageing quality, an analysis was made of free amino acid changes. The sensory quality of 30 flue-cured tobacco produced in 2006, 2007 and 2008 from 10 regions was analysed during ageing by HPLC with precolumn derivatisation and...
  7. Tobacco Science & Technology, 2012, 10, p. 41-45, ISSN.1002-0861

    Improvement of ion chromatographic method for determination of ammonia in mainstream cigarette smoke

    SHI Wenzhuang; MA Qing; ZENG Jing
    China Tobacco Guangdong Industrial Co., Ltd., Guangzhou 510145, P.R. China
    In order to determine the ammonia in mainstream cigarette smoke accurately, ion chromatography (IC) method was improved, and the improved method was applied to determine the ammonia in mainstream smoke of 59 cigarettes measured under ISO and Health...
  8. Tobacco Science & Technology, 2012, 11, p. 29-32, ISSN.1002-0861

    Influence of ventilation on burning temperature and deliveries of harmful components in mainstream cigarette smoke

    PANG Yongqiang(1); HUANG Chunhui(2); CHEN Zaigen(1); CHEN huan(1); JIANG Xingyi(1); TANG Gangling(1)
    (1) China National Tobacco Quality Supervision & Test Center, Zhengzhou 450001, P.R. China; (2) China Tobacco Guangdong Industrial Co., Ltd., Guangzhou 510145, P.R. China
    In order to reduce the harm of smoking, the effects of air permeability of cigarette paper, tipping paper and plug wrapper on the burning temperature of cigarette and deliveries of tar and seven harmful components (including CO, HCN, NNK, NH3, B[a]P,...
  9. Tobacco Science & Technology, 2012, 12, p. 49-51, ISSN.1002-0861

    Determination of moisture content in tobacco with gas chromatography

    WU Jinming(1); PENG Bin(*2); LIU Kejian(2); ZHAO Xiaodong(2); LI Ping(2); ZHANG Xiaobing(2)
    (1) China Tobacco Guangdong Industrial Co., Ltd., Guangzhou 510145, P.R. China; (2) Zhengzhou Tobacco Research Institute of CNTC, Zhengzhou 450001, P.R. China
    In order to accurately determine the moisture content in tobacco, a method with gas chromatography was developed. Four factors, including extraction means, extraction solvent, extraction time and solvent volume, were optimized. The results showed...
  10. Tobacco Science & Technology, 2012, 2, p. 52-55., ISSN.1002-0861

    Nested factorial design for analysis of cigarette tar

    ZHAO Yantang(1); ZHAO Yueli(1); YU Hongxiao(1); SUN Dongliang(2); ZHU Zhanying(1); ZHAO Xuyong(3); LI Jiyun(1); WANG Binbin(3)
    (1) Technology Center, China Tobacco Shandong Industrial Co., Ltd., Jinan 250100, P.R. China; (2) Jinan Cigarette Factory, China Tobacco Shandong Industrial Co., Ltd., Jinan 250104, P.R. China; (3) Tengzhou Cigarette Factory, China Tobacco Shandong Industrial Co., Ltd., Tengzhou 277500, Shandong, P.R. China
    To study the differences of various variation sources in the determination of tar content in cigarette smoke, nested variance analysis and nested factorial design analysis were applied. The results showed that: 1) Of all the definite variation...