Search Results

336 results

  1. CORESTA Meeting, Smoke Science/Product Technology, 2013, Seville, ST 31

    Retention distribution patterns of nicotine and phenolic compounds in filters

    WEN Jianhui(1); DU Wen(1); PENG Bin(2); ZHANG Xiaobing(2); XIE Fuwei(2); LIU Huimin(2); ZHONG Kejun(1)
    (1) China Tobacco Hunan Industrial Co., Ltd., Technology Center, Changsha, Hunan, P.R. China; (2) Zhengzhou Tobacco Research Institute of CNTC, Zhengzhou, Henan, P.R. China
    The retention distribution patterns of nicotine and seven phenolic compounds in cigarette filters were studied. The nicotine and seven phenolic compounds retained in each segment were quantitatively analysed after the filters were transversely and ...
  2. CORESTA Meeting, Smoke Science/Product Technology, 2013, Seville, ST 56

    Dose-effect relationship between main precursors and delivery of hydrocyanic acid in cigarette smoke and influencing factors of the same

    WANG Hongbo; XIA Qiaoling; XIE Fuwei; GUO Jizhao; CAO Depo; ZHAO Xiaodong; DING Li; YAN Quanping; LIU Kejian; LIU Huimin
    Zhengzhou Tobacco Research Institute of CNTC, Zhengzhou, P.R. China
    With a home-made cigarette smoking simulator of rapid heating, the source of hydrocyanic acid (HCN) in cigarette smoke was studied. The effects of tobacco matrix, pyrolysis temperature, oxygen content in atmosphere, flow rate and heating rate on the yield ...
  3. 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 smoked ...
  4. TSRC, Tob. Sci. Res. Conf., 2013, 67, abstr. 36

    Determination of aromatic amines biomarkers of exposure to cigarette smoke in human urine using liquid chromatography- tandem mass spectrometry.

    YU Jingjing; WANG Sheng; ZHAO Ge; WANG Bing; DING Li; XIE Fuwei; ZHANG Xiaobing
    Zhengzhou Tobacco Research Institute of CNTC, Zhengzhou, China
    Many aromatic amines (AAs) are toxic compounds and/or suspected human carcinogens. Several AAs have been detected in mainstream cigarette smoke and environmental tobacco smoke, such as 1-naphthylamine (1-NA), 2-naphthylamine (2-NA), 3-aminobiphenyl (3-ABP ...
  5. TSRC, Tob. Sci. Res. Conf., 2013, 67, abstr. 39

    Study on the capture of smoking aerosol flowing perpendicular to the fiber.

    LU Duangeng(1); WU Wentao(1); ZHU Wenkui(1); WANG Hongsheng(1); YU Chuanfang(1); SHENG Peixu(2)
    (1) Zhengzhou Tobacco Research Institute of CNTC, Zhengzhou, P.R. China; (2) Nantong Cigarette Filter Co., Ltd., Nantong, P.R. China
    The process of cigarette smoke aerosol being captured by a single fiber was observed with a microscope and CCD through an established micro observation channel. The images obtained were then binarized to investigate the influences of monofilament denier, ...
  6. TSRC, Tob. Sci. Res. Conf., 2013, 67, abstr. 84

    Identification of volatiles with nematicidal activities from sphingobacteriumnematocida zy-71-1 and control efficiency to Meloidogyne incognita.

    XI Jiaqin(1); QIN Xijia(1); LIN Dengbin(2); SHENG Yinqi(1); ZHEN Songji(1); HE Moming(3); QUN Xuechao(1); SHAN Wangguang(1); HUA Guojian(1)
    (1) Zhengzhou Tobacco Research Institute of CNTC, Zhengzhou, P.R.China; (2) Guangxi Tobacco Industrial Co. Ltd, Nanning, P.R. China; (3) Yunnan University, Kunming, P.R. China
    Chemical pesticide is an effective way in controlling tobacco disease, but it caused some problems such as environmental pollution, ecological balance destruction and chemical residues. So biological control of tobacco disease attracts more and more ...
  7. TSRC, Tob. Sci. Res. Conf., 2013, 67, abstr. 87

    Effects of carbon nanoparticles on seed germination, nutrient absorption, and yield of tobacco.

    LIANG Taibo, YIN Qisheng, ZHANG Yanling, WANGI Baolin, GUO Weimin, XIE Jianping
    Zhengzhou Tobacco Research Institute of CNTC, Zhengzhou, P.R. China
    Unlike macromaterials, nanomaterials have some particular properties such as surface effects, volume effects, quantum size effects, etc. In recent years, the biological and agricultural applications of nanomaterials have become of increasing interest. ...
  8. CORESTA Congress, Sapporo, 2012, Agronomy/Phytopathology Groups, AP 27 (Poster)

    Studies on surface microstructure characteristics of flue-cured tobacco leaves in different areas in China

    GUO Wei-min; ZHANG Yan-ling; CAI Xian-jie; ZHANG Shi-xiang; WANG Jian-wei; YIN Qi-sheng
    Zhengzhou Tobacco Research Institute of CNTC, Zhengzhou, Henan, P.R. China
    The appearance quality determination of tobacco leaves is currently highly dependent on human judgment, and looking for objective methods is of increasing concern. The microstructure of tobacco leaves is the basis for appearance quality, thus the studies ...
  9. CORESTA Congress, Sapporo, 2012, Agronomy/Phytopathology Groups, APPOST 12

    Biocontrol efficiencies and identification of nematicidal metabolite from strain BJLSH9 towards nematode and Phytophthora nicotianae

    DUAN Yan-qing(1); LI Ping(2); ZHE Wei(1); XI Jia-qin(3); XIA Jianjun(1); WANG Wenyuan(1); JIANG Junxiang(1); MO Ming-he(2)
    (1) Technology Center of Hongyun Honghe Tobacco (Group) Co., Ltd, Wuhua District, Kunming, P.R. China; (2) Key Laboratory for Conservation and Utilisation of Bio-Resources, Yunnan University, Kunming, P.R. China; (3) Zhengzhou Tobacco Research Institute of CNTC, Zhengzhou, Henan, P.R. China
    BJLSH9, an actinomycete exhibiting both nematicidal and antifungal activities, was isolated from rhizospheric soil of willow in Beijing. Bioassay results in vivo showed that BJLSH9 displayed a 50.05% efficiency to suppress radial growth of Phytophthora ...