Search Results

54 results

  1. CORESTA Congress, Quebec, 2014, Smoke Science/Product Technology Groups, ST 44

    Investigation of pyrolysis behaviour of lutein in air by thermo gravimetry-single drop micro extraction-gas chromatography-mass spectrometry

    YANG Ji; YANG Liu; WU Yiqin; MIAO Mingming; ZHE Wei; CHEN Yongkuan
    China Tobacco Yunnan Industrial Co., Ltd of CNTC, R&D Center, Kunming, P.R. China
    To investigate the pyrolysis behaviour of lutein in air, an automatic single drop micro extraction (SDME) device for trapping the released fractions was designed and coupled with thermo gravimetry-gas chromatography-mass spectrometry. According to the ...
  2. Tobacco Science & Technology, 2011, 11, p. 76-78., ISSN.1002-0861

    Orientation of Aphidius gifuensis ashemed to tobacco and prey combination affected by insecticides

    SONG XU-MING(1); ZHANG YUE(2); QU AI-JUN(2)
    1. Anqiu Branch of Shandong Weifang Tobacco Co. Ltd., Aniqiu 262100, Shandong, P.R. China; 2. Plant Protection College, Shandong Agricultural University, Taian 271000, Shandong, P.R. China
    The orientation of Aphidius gifuensis Ashemed to tobacco and prey combinations affected by insecticides was investigated with Y-tube olfactometer. The results showed that normal tobacco leaves did not produce plant volatiles attractive to A. gifuensis, ...
  3. Tobacco Science & Technology, 2011, 7, p. 60-63., ISSN.1002-0861

    Transfer behavior of some carbonyl flavors in filter and tobacco rod of cigarette

    ZHANG JIE(1); ZONG YONG-LI(1); ZHOU HUI-SHUN(2); PENG SHU-HAI(1); SONG YU-BING(1)
    1. Zhengzhou Tobacco Research Institute of CNTC, Zhengzhou 450001, P.R. China; 2. Technology Center of China Tobacco Jiangxi Industrial Corporation, Nanchang 330096, P.R. China
    Twelve carbonyl flavor samples were added into cut tobacco and filter tips of cigarettes and then analyzed by simultaneous distillation and extraction coupled with GC and GC/MS to determine the ratios of flavor retained in tobacco rod or filter, migrated ...
  4. Tobacco Science & Technology, 2010, 8, p. 41-45., ISSN.1002-0861

    Effects of filter length and ventilation on transfer behavior of some ester flavors in cigarette

    ZHOU HUI-SHUN(1); ZONG YONG-LI(2); ZHANG JIE(2); PENG SHU-HAI(2); SONG YU-BING(2)
    1. Technology Center, P.R. China Tobacco Jiangxi Industrial Corporation, Nanchang 330096, P.R. China; 2. Zhengzhou Tobacco Research Institute of CNTC, Zhengzhou 450001, P.R. China
    In order to investigate the effects of filter length and ventilation on the transfer behavior of some ester flavors in cigarettes, the said ester flavors were injected into cigarettes with filters of various length and ventilation rates. These flavored ...
  5. Tobacco Science & Technology, 2009, 11, p. 21-5, ISSN.1002-0861

    Application of predictive and quasi-predictive PI control algorithms in strips redryer

    REN ZHENG-YUN; HAN BAI-HENG; WANG XIAO-FEI
    Donghua University, Dept. of Automation, Shanghai, China
    It is hard to keep the temperature of the drying section, the moisture contents in tobacco in cooling section and ordering section stable by traditional PID control algorithm due to the drying in the strips redryer is a process of large thermal inertia ...
  6. CORESTA Congress, Shanghai, 2008, APPOST 26

    Studies on the resistance risk to metalaxyl and its control in Phytophthora nicotianae var. nicotianae

    WANG Kaiyun; XU Xueming; DUAN Haiming; LIN Caihua; ZHANG Wencheng
    Shandong Agricultural University, College of Plant Protection, Taian, Shandong, China
    In this study, 11 metalaxyl-resistant strains were gained from sensitive strain in Phytophthora nicotianae var. nicotianae by the method of metalaxyl inducement. The hereditary stabilities and levels of the resistance for all the resistant strains were ...
  7. Tobacco Science & Technology, 2008, 2, p. 57-60, ISSN.1002-0861

    Screening of Bacillus B102 and its antagonism against tobacco brown-spot disease

    LI AN-NA; JIN YING; LU PENG
    Shandong Agricultural University, College of Plant Protection, Taian, Shandong, China
    157 bacteria strains were isolated from tobacco field soil between roots and around root system in Shandong Province. 7 strains of antagonistic bacterium against Alternaria alternata were screened. Among them, strain B102 had the strongest antagonistic ...
  8. Tobacco Science & Technology, 2005, 1, p. 44-6, ISSN.1002-0861

    Influence of Colletotrichum capsici f. nicotianae toxin on cell membrane permeability of tobacco

    FANG BAO-HAI; ZHANG GUANG-MIN; CHI CHANG-FENG
    Shandong Agricultural University, College of Plant Protection, Taian, Shandong, China
    The influence of Colletotrichum capsici f. nicotianae toxin on cell membrane permeability and chlorophyll content of tobacco was experimented in 2002. The results showed that the cell membrane permeability of tobacco could be increased by toxin ...
  9. CORESTA Congress, Kyoto, 2004, APOST 04

    A new Romanian flue-cured cultivar : Virginia 177

    CIUPERCA A.; PAUNESCU M.; PAUNESCU A.D.; BOLD I.; DUMITRASCU P.
    Central Research Station for Tobacco Culture and Industrialization, Bucharest, Romania.
    The improvement of the chemical and industrial quality of Virginia tobacco in Romania represents the main objective for those involved in tobacco research, production and industrialization. The most important way to achieve this objective is the change of ...