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54 results

  1. Tobacco Science & Technology, 2011, 8, p. 9-12., ISSN.1002-0861

    Relationships between tow crimp and physical characteristics of filter rod

    CHANG JIAN-YONG(1);CHANG JI-HENG(2); SHENG PEI-XIU(3); SHI ZHONG-JIN(4); HAO RUI(4)
    1. Henan Pharmaceutical School, Kaifeng 475001, Henan, P.R. China; 2. Key Laboratory of Tobacco Processing Technology, CNTC, Zhengzhou 450001, P.R. China; 3. Nantong Cigarette Filter Co., Ltd., Nantong 226001, Jiangsu, P.R. China; 4. Heilongjiang Tobacco Industrial Co., Ltd., Harbin 150001, P.R. China
    In order to investigate the influence of tow crimp on the physical characteristics of filter rods, the change of tow’s crimp and its resilience rate in filter rod were analyzed, and their relationships to the weight, draw resistance and hardness of...
  2. Tobacco Science & Technology, 2010, 11, p. 9-14., ISSN.1002-0861

    Dynamic changes of chemical components in cut tobacco during drying

    WANG TING(1,2); LI BIN(1); ZHU WEN-KUI(1); YU CHUAN-FANG(1); SHI ZHONG-JIN(2)
    1 .Key Laboratory of Tobacco Processing Technology, CNTC, Zhengzhou 450001, P.R. China; 2. Heilongjiang Tobacco Industrial Co., Ltd., Harbin 150001, P.R. China
    The dynamic changes of moisture content, total alkaloid, reducing sugar, total sugar, petroleum ether extract in cut tobacco during drying were investigated with a laboratory cylinder drier, and the effects of cylinder wall temperature (Tw) were also...
  3. Tobacco Science & Technology, 2010, 12, p. 5-7., ISSN.1002-0861

    Determination of aerosol concentration in mainstream cigarette smoke based on online impact

    JIA WEI-PING(1,3); LU DUAN-FENG(1); CHANG JI-HENG(1); WANG HONG-SHENG(1); LIU KAI-NAN(2)
    1. Key Laboratory of Tobacco Processing Technology, CNTC, Zhengzhou 450001, P.R. China; 2. Technology Center, Heilongjiang Tobacco Industrial Co., Ltd., Harbin 150001, P.R. China3. Wuhan Cigarette Factory, China Tobacco Hubei Industrial Co., Ltd., Wuhan 430051, P.R. China
    By incorporation of a special cigarette smoke generator and air circuit switching and dilution techniques, a device for real-time determination of the aerosol concentration in mainstream cigarette smoke puff by puff was set up, and the samples of 5...
  4. Tobacco Science & Technology, 2010, 8, p. 5-9., ISSN.1002-0861

    Dynamic analysis of strips humidifying process based on diffusion model

    ZHENG SONG-JIN(1,2); LI BIN(1); WANG HONG-SHENG(1); SU HONG-JUN(2)
    1. Key Laboratory of Tobacco Processing Technology, CNTC, Zhengzhou 450001, P.R. China; 2. Technology Center of China Tobacco Hebei Industrial Corporation, Shijiazhuang 050051, P.R. China
    In order to study the absorption of strips and the migration rate of moisture in strips during processing, B2F strips were studied dynamically under a temperature range of 60-80 °C and relative humidity range of 60%-90% by an online device on...
  5. Tobacco Science & Technology, 2010, 9, p. 5-9., ISSN.1002-0861

    Mathematical model for equilibrium moisture content of tobacco leaf under high temperature and relative humidity

    ZHENG SONG-JIN(1,2); LI BIN(1); WANG HONG-SHENG(1)
    1. Key Laboratory of Tobacco Processing Technology, CNTC, Zhengzhou 450001, P.R. China; 2. Technology Center of China Tobacco Hebei Industrial Corporation, Shijiazhuang 050051, P.R. China
    In order to study the moisture absorption of tobacco leaf during processing, the absorption characteristic curves of tobacco leaf under different relative humidities (in the range of 30% to 90%) and temperatures (60, 70 and 80 °C), respectively, were...
  6. Tobacco Science & Technology, 2009, 1, p. 47-9, ISSN.1002-0861

    Evaluation of an imitation device for testing performance of filter adsorbent to reduce harmful components in cigarette smoke

    NIE CONG; LI GANG-CHENG; ZHAO LE
    CNTC, Key Laboratory of Tobacco Processing Technology, Zhengzhou, China
    In order to simplify the screening procedures of cigarette filter adsorbent, an imitation device for testing the performance of filter adsorbents to reduce the tar and harmful components in cigarette smoke was developed. Its impact on smoking...
  7. Tobacco Science & Technology, 2009, 9, p. 11-4, ISSN.1002-0861

    Measuring thermal properties of cut tobacco with transient plane thermal source method

    HAN YING; YAN YA-MING; LIU CHAO-XIAN
    CNTC, Key Laboratory of Tobacco Processing Technology, Zhengzhou, China
    Basing on a transient plane thermal source method, an experimental device was established for measuring thermal properties (thermal conductivity, thermal diffusivity and volume thermal capacity) of cut tobacco, the working parameters of the device...
  8. Tobacco Science & Technology, 2008, 2, p. 17-21, ISSN.1002-0861

    Comparison of physical properties between Zimbabwe flue-cured tobacco and its potential domestic substitute

    ZHANG YU-HAI; WANG BING; SHEN YU-JUN; DENG GUO-DONG
    CNTC, Key Laboratory of Tobacco Processing Technology, Zhengzhou, China
    The physical properties of domestic B2F and C3F flue-cured tobacco of 2004-2006 from 37 demonstration bases in 9 provinces were analyzed and compared with Zimbabwe upper and middle leaves of similar grades. The results showed that: 1) comparing with...