Search Results

48 results

  1. CORESTA Congress, Paris, 2006, PT 10

    Classification of the contaminant in the cigarette wrap paper using PLA-DA algorithm with near infrared spectra

    DU Wen; REN Jianxin; LI Shaoye; ZHANG Wenli
    Changsha Technology Center of CNTC, Changsha, Hunan, China.
    To classify the contaminant in the cigarette wrap paper, PLS-DA model was established with the near infrared reflection spectra. Standard samples were prepared by painting possible oil contaminant (lubricant, vacuum oil, lecithin, etc.) on the clean...
  2. CORESTA Meeting, Agronomy/Phytopathology, Santa Cruz do Sul, 2005, APOST 33

    Configuration and dynamic formation of the root system of flue-cured tobacco

    YI Jianhua; JIA Zhihong; SUN Zaijun
    Changsha Technology Center of CNTC, Changsha, Hunan, China.
    Dynamic spatial distributions and optimal shapes of the root system of flue-cured tobacco under different modes of fertilization were preliminarily studied so as to provide the theoretical basis for the optimal time and locations of fertilization....
  3. CORESTA Meeting, Smoke Science/Product Technology, Stratford-upon-Avon, 2005, SSPTPOST 02

    Wavelet transform: improve the transferabilities of NIR calibrations

    DU Wen; REN Jianxin; ZHANG Wenli; SHAO Xueguang
    Changsha Technology Center of CNTC, Changsha, Hunan, China.
    Calibration transfer is a difficult task in the application of NIR models. This study introduced wavelet transform algorithm to improve the transferability of NIR calibrations among 5 FT-NIR instruments. The NIR spectra of a group of 400 tobacco...
  4. CORESTA Meeting, Smoke Science/Product Technology, Stratford-upon-Avon, 2005, SSPTPOST 14

    Determination of HCN content in mainstream cigarette smoke using constant flow analyzer-new indication reaction and better performance

    ZHOU Yu; CAO Jihong; WANG Jian; YANG Huawu
    Changsha Technology Center of CNTC, Changsha, Hunan, China.
    Isonicotinic acid and 1,3-dimethyl barbituric acid were applied as the indication reagents for the determination of HCN content in mainstream smoke using constant flow analyzer (CFA). The recovery rate of HCN was above 99% and the relation...
  5. 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...
  6. Bull. Spec. CORESTA Congress, Lisbon, 2000, p. 140, PPOST8

    Bio-intensive integrated management of budworm, Helicoverpa armigera in FCV tobacco

    SITARAMAIAH S.; GUNNESWARA RAO S.; RAMAPRASAD G.; SREEDHAR U.
    Central Tobacco Research Institute (CTRI), Rajahmundry (A.P.) India
    Tobacco budworm, Helicoverpa armigera , is one of the limiting factors in successful production of Flue Cured Virginia (FCV) tobacco in Andhra Pradesh, India. It infests the crop during the grand growth period and inflicts severe damage to the bud...