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  1. CORESTA Congress, Online, 2022, Smoke Science/Product Technology Groups, ST 80

    Analysis of absorption hysteresis of different cigarette blends based on adsorption thermodynamics method

    QIU Changgui(1,2); LIU Ze(3); WEI Qing(1); HE Banghua(3); YANG Qianxu(3); LIU Jing(1,2); LI Siyuan(4); WANG Zeyu(4); ZUO Wen(4); YANG Lan(4); GUO Miaomiao(3)
    (1) Yunnan Reascend Tobacco Technology (Group) Co., Ltd., Kunming, China; (2) Yunnan Comtestor Co., Ltd., Kunming, China; (3) China Tobacco Yunnan Industrial Co., Ltd., Kunming, China; (4) Hongyun Honghe Tobacco (Group) Co., Ltd., Kunming, China
    In order to study the isothermal adsorption characteristics for cut tobacco, cut stem and cut reconstituted tobacco, the adsorption hysteresis was quantified using the definite integral expression of GAB model, and the isosteric adsorption heat of...
  2. CORESTA Meeting, Smoke Science/Product Technology, 2019, Hamburg, ST 27

    Determination of petroleum ether extracts in flue-cured tobacco leaves by NIR combined with random frog wavelength selection method

    QIU Changgui(1,2); LIU Ze(3); CHEN Shi(4); LIU Jing(1,2); WANG Jiajun(3); ZHANG Wen(1,2); YANG Panpan(1,2)
    (1) Yunnan Reascend Tobacco Technology (Group) Co., Ltd., Kunming, P.R. China; (2) Yunnan Comtestor Company, Kunming, P.R. China; (3) Technology Center, China Tobacco Yunnan Industrial Co., Ltd., Kunming, P.R. China; (4) Bijie Cigarette Factory, China Tobacco Guizhou Industrial Co., Ltd., Bijie, P.R. China
    In order to improve the prediction accuracy and model stability for quantitative calibration in near infrared spectroscopy, the random frog wavelength selection method combined with partial least squares (PLS) was employed to establish the prediction...