Search Results

322 results

  1. CORESTA Meeting, Agronomy/Phytopathology, 2019, Victoria Falls, AP 10

    Study on pollution control and thermal efficiency optimisation of tobacco bulk curing barn

    CHEN Zhenguo (1); YANG Yang (2); SUN Guangwei(1); YANG Lailin(3); WEI Kesu(4); ZOU Shuoye(5);QIAO Yu(6); WANG Bo(6); HUANG Jingchun(6)
    (1) Tobacco Research Institute of Hubei Province, Wuhan, Hubei Province, P.R. China; (2) Enshi Tobacco Company, Enshi City, Hubei Province, P.R. China; (3) Sanming Tobacco Company, Sanming City, Fujian Province, P.R. China; (4) Tobacco Research Institute of Guizhou Province, Guiyang City, Guizhou Province, P.R. China; (5) Henan Tobacco Company, Zhengzhou, Henan Province, P.R. China; (6) Huazhong University of Science and Technology, Wuhan, Hubei Province, P.R. China
    Coal is still used as a fuel to provide the necessary heat for most tobacco curing barns in China. Due to the lack of corresponding equipment and the measures to reduce emissions, the gas pollutants from curing barns, such as SO2, smoke, etc., are...
  2. TSRC, Tob. Sci. Res. Conf., 2019, 73, abstr. 019

    Simulated leachables assessment for critical components used in cartridges of electronic nicotine delivery systems

    CULBERT C.(1); WEIDMAN R.(2)
    (1) RAI Services Company, Winston-Salem, NC, USA; (2) R.J. Reynolds Tobacco Company, Winston-Salem, NC, USA
    Electronic Nicotine Delivery Systems (ENDS) contain e-liquid formulations that are heated to generate aerosols. The potential for chemicals to leach from the device materials into the e-liquid and transfer into the aerosol has been an area of...
  3. TSRC, Tob. Sci. Res. Conf., 2019, 73, abstr. 097

    Methodology to determine the particle size distribution, mean, and standard deviation from sieve data

    ST. CHARLES F.K.(1); MORGAN W.T.(2)
    (1) St. Charles Consultancy, Lewisville, NC, USA; (2) RAI Services, Winston-Salem, NC, USA
    A method is described which allows the mean and standard deviation of particle size to be estimated from sieve data. The results can be used to calculate and plot the particle size distribution, the cumulative distribution, percentiles, and guide...
  4. CORESTA Congress, Kunming, 2018, Agronomy/Phytopathology Groups, AP 01 (also presented at TSRC 2018)

    FDA advance notice of proposed rulemaking for nicotine level of combusted cigarettes – feasibility for compliance via tobacco plant genetics?

    HIATT E.
    R.J. Reynolds Tobacco Co., Winston-Salem, NC, U.S.A.
    On March 16, 2018, the U.S. Food and Drug Administration (FDA) published an advance notice of proposed rulemaking (ANPRM) entitled “Tobacco Product Standard for Nicotine Level of Combusted Cigarettes.” The publication of an ANPRM solicits information...
  5. TSRC, Tob. Sci. Res. Conf., 2018, 72, abstr. 006

    Qualitative assessment of flavor ingredients in market electronic nicotine delivery systems

    HUDSON A.G.(1); CULBERT C.G.(2)
    (1) R.J. Reynolds Tobacco Company, Winston-Salem, NC, USA; (2) RAI Services Company, Winston-Salem, NC, USA
    As the use of electronic nicotine delivery systems (ENDS) grows, it may be useful to understand the types of flavor compounds that are being added as ingredients to the ENDS currently available on the market. A qualitative analysis of flavor...
  6. TSRC, Tob. Sci. Res. Conf., 2018, 72, abstr. 013

    Method development for pH analysis of ends aerosol and e-liquid

    (1) R.J. Reynolds Tobacco Company, Winston Salem, NC, USA; (2) St.Charles Consultancy, Winston Salem, NC, USA; (3) Eurofins Lancaster Labs, Winston Salem, NC, USA
    E-liquids are hygroscopic, non-aqueous liquids containing a small amount of water (~3-15%). When the pH of a non-aqueous liquid is measured using conventional methods and calibration buffers, the value can only be regarded as an "apparent pH". This...