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54 results

  1. 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...
  2. CORESTA Congress, Paris, 2006, APOST 02

    Physiological and ecological effects of different soil temperatures on flue-cured tobacco root system

    YI Jianhua; JIA Zhihong; SUN Zaijun
    Technical Center of Changsha Cigarette Factory, Changshai, Hunan, China.
    Accordingly, it is of importance to study the action mechanisms of soil temperature on the growth of flue-cured tobacco in order to avoid disease incidences. The mulching methods with different covering and mulching materials were adopted to adjust...
  3. CORESTA Congress, Kyoto, 2004, A 02

    Decision support system for soil fertility and water quality - evaluation in FCV tobacco- growing zones of India

    KRISHNAMURTHY V.; RAVISANKAR H.; DEO SINGH K.
    Central Tobacco Research Institute (CTRI), Rajahmundry (A.P.) India
    Information Technology has become an integral part of our day-to-day life. In agriculture, computers are extensively used to disseminate the information on soils, water, climatic conditions, pest and disease management and one such information system...
  4. CORESTA Congress, Kyoto, 2004, PT 13

    The preparation of Fe-coconut carbon reconstituted tobacco and its application in reducing cigarette tar

    LIU Jianfu; TAN Xinliang; FAN Hongmei; JIN Yong; YIN Donghong
    Research Centre of Changsha Cigarette Factory, Changsha, Hunan, China.
    Many materials produced by smoking cigarettes such as nicotine and tar are harmful to human health. Whilst here has been much research in the tobacco industry to reduce the risks of smoking it has not been reported that Fe-carbon can reduce the tar...
  5. Beitr. Tabakforsch. Int./Contrib. Tob. Research, 2001, 19-7, p. 339-43, ISSN.0173-783X

    Synthesis of 3-Oxo-α-ionol ethyl carbonate and its conversion to megastigmatrienones in tobacco smoke

    YANG H.; LIU J.; LI K.
    Changsha Cigarette Factory, Research Center, Changsha, Hunan, China
    3-Oxo-α-ionol ethyl carbonate, a precursor of megastigmatrienones was prepared by reduction of α-ionone to α-ionol, followed by esterification with ethyl chloroformate and then by oxidation with t -butyl chromate. The total yield was about 23%....