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  1. CORESTA Congress, Kunming, 2018, Smoke Science/Product Technology Groups, ST 56

    Photoionization time-of-flight mass spectrometry as a tool for the identification of selected isomers in the gas phase of mainstream cigarette smoke

    HU Yonghua(1); WANG Jian(1); TIAN Zhenfeng(1); CHEN Kaibo(1); XU Yingbo(1); PAN Yang(2)
    (1) Technology Center, China Tobacco Anhui Industrial Co., Ltd., Hefei, Anhui, P.R. China; (2) National Synchrotron Radiation Laboratory, University of Science and Technology of China, Hefei, Anhui, P.R. China
    To identify selected isomers in the gas phase of mainstream cigarette smoke, an on-line measurement system with a photoionization unit was built. With this instrument, photoionization efficiency (PIE) curves for constituents in the gas phase of...
  2. Tobacco Science & Technology, 2011, 12, p. 26-33., ISSN.1002-0861

    Calculation of ionization energy of cigarette smoke component and its applications in qualitative analysis

    WANG CHENG-HUI(1); HU YONG-HUA(1); WANG JIAN(2); XU YING-BO(1); PAN YANG(2)
    1. Technology Center, China Tobacco Anhui Industrial Co., Ltd., Hefei 230088, P.R. China; 2. National Synchrotron Radiation Laboratory, University of Science and Technology of China, Hefei 230029, P.R. China
    : In order to systemically evaluate the reliability of the method of predicting ionization energy with density functional method in quantum chemistry [B3LYP/6-311++G(d,p)] and composite ab initio (G3B3), 70 chemical portions of known ionization...
  3. CORESTA Congress, Edinburgh, 2010, SSPTPOST 10

    Relationships between the steric accessibilities of the functional groups of some ambergris-type compounds and their fragrance

    HU Yonghua; XU Yingbo; WANG Changhui; WANG Ran
    Center of Technology, China Tobacco Anhui Industry Corporation, Hefei, Anhui 230088, China
    The ambergris is one of the most highly valued perfumery materials, and plays an important role in cigarette perfumery because of its delicate note and good fixative properties. For improving the validity and practicability of relationship between...
  4. Tobacco Science & Technology, 2010, 9, p. 25-29., ISSN.1002-0861

    Relationship between steric accessibilities of functional groups in ambergrisoid compounds and their aroma

    HU YONG-HUA; XU YING-BO; WANG CHENG-HUI; GE SHAO-LIN; XIE YING-SONG
    Technology Center of China Tobacco Anhui Industrial Corporation, Hefei 230088, P.R. China
    In order to investigate the relationship between molecular structures of ambergrisoid compounds and their aroma, the parameters of steric accessibility of oxygen atom (SAO) and methyl functional group (SAM) for 28 decalin-type and non-decalin-type...