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Wyszukujesz frazę "grain dust" wg kryterium: Temat

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    Wyświetlanie 1-3 z 3
    Tytuł:
    Effect of grain dust on the friction factor in sliding kinematic pairs of plastic - steel
    Autorzy:
    Szefler, J.
    Weiner, W.
    Powiązania:
    https://bibliotekanauki.pl/articles/24401.pdf
    Data publikacji:
    1999
    Wydawca:
    Polska Akademia Nauk. Instytut Agrofizyki PAN
    Tematy:
    grain-feed product
    corn
    sliding factor
    dust
    grain dust
    Źródło:
    International Agrophysics; 1999, 13, 4
    0236-8722
    Pojawia się w:
    International Agrophysics
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Levels of fungi and mycotoxins in the samples of grain and grain dust collected from five various cereal crops in Eastern Poland
    Autorzy:
    Krysinska-Traczyk, E
    Perkowski, J.
    Dutkiewicz, J.
    Powiązania:
    https://bibliotekanauki.pl/articles/50801.pdf
    Data publikacji:
    2007
    Wydawca:
    Instytut Medycyny Wsi
    Tematy:
    nivalenol
    mycotoxin
    rye
    Polska
    grain
    corn
    dust
    fungi
    ochratoxin A
    Fusarium
    occupational exposure
    deoxynivalenol
    barley
    cereal
    farmer
    oat
    grain dust
    Opis:
    During combine harvesting of 5 various cereal crops (rye, barley, oats, buckwheat, corn) 24 samples of grain and 24 samples of settled grain dust were collected on farms located in the Lublin province of eastern Poland. The samples were examined for the concentration of total microfungi, Fusarium species, deoxynivalenol (DON), nivalenol (NIV), and ochratoxin A (OTA). Microfungi able to grow on malt agar were present in 79.2% of grain samples and in 91.7% of grain dust samples in the concentrations of 1.0-801.3 × 103 cfu/g and 1.5-12440.0 × 103 cfu/g, respectively. The concentration of microfungi in grain dust samples was signifi cantly greater than in grain samples (p<0.01). Fusarium strains were isolated from 54.2% of grain samples and from 58.3% of grain dust samples in the concentrations of 0.1-375.0 × 103 cfu/g and 4.0-7,700.0 × 103 cfu/g, respectively. They were found in all samples of grain and grain dust from rye, barley and corn, but only in 0-16.7% of samples of grain and grain dust from oats and buckwheat. DON was found in 79.2% of grain samples and in 100% of grain dust samples in the concentrations of 0.001-0.18 μg/g and 0.006-0.283 μg/g, respectively. NIV was detected in 62.5% of grain samples and in 94.4% of grain dust samples in the concentrations of 0.004-0.502 μg/g and 0.005-0.339 μg/g, respectively. OTA was detected in 58.3% of grain samples and in 91.7% of grain dust samples in the concentrations of 0.00039- 0.00195 μg/g and 0.00036-0.00285 μg/g, respectively. The concentrations of DON, total fusariotoxins (DON + NIV) and OTA were signifi cantly greater in grain dust samples than in grain samples (p<0.05, p<0.05, and p<0.001, respectively). The concentration of Fusarium poae in the samples of rye grain and dust was signifi cantly correlated with the concentrations of DON (p<0.05), NIV (p<0.01), and total fusariotoxins (p<0.05). Similarly, the concentration of Fusarium culmorum in the samples of barley grain and dust was signifi cantly correlated with the concentration of total fusariotoxins (p<0.05). A signifi cant correlation was also found between the concentration of total fungi grown on malt agar and the concentration of OTA (p<0.05). In conclusion, although the concentration of DON, NIV and OTA in the samples of grain dust collected from 5 various cereals on farms in eastern Poland was not large, the persistent presence of these mycotoxins in over 90% of examined samples poses a potential health risk of chronic respiratory intoxication for exposed grain farmers.
    Źródło:
    Annals of Agricultural and Environmental Medicine; 2007, 14, 1
    1232-1966
    Pojawia się w:
    Annals of Agricultural and Environmental Medicine
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    The use of labview environment for the building of the grain Dust control system in grain mill
    Autorzy:
    Buczaj, M.
    Buczaj, A.
    Powiązania:
    https://bibliotekanauki.pl/articles/410718.pdf
    Data publikacji:
    2012
    Wydawca:
    Polska Akademia Nauk. Oddział w Lublinie PAN
    Tematy:
    systemy kontroli
    zapylenie ziaren
    młyny
    maksymalne dopuszczalne stężenie
    control systems
    LabVIEW environment
    grain dust
    grain mill
    Maximum Allovable Concentration
    Opis:
    The work environment in a grain mill is associated with the occurrence of many hazardous and troublesome factors at this work. However, the most important hazardous factor occurring in the work environment in grain mills is grain and fl our dust. The aspiration and filtration systems applied in mills frequently do not provide proper protection for workers. The objective of the study was to present the assumptions of a complex system controlling the level of dustiness in a grain mill. LabView environment has been used for the building of such system. The acquisition of parameters was carried out basing upon the information and signals received from the sensors supporting the measuring cards. The actual as well as archived parameters occurring in individual rooms can be displayed on the computer screen via the built-in interface.
    Źródło:
    ECONTECHMOD : An International Quarterly Journal on Economics of Technology and Modelling Processes; 2012, 1, 1; 21-26
    2084-5715
    Pojawia się w:
    ECONTECHMOD : An International Quarterly Journal on Economics of Technology and Modelling Processes
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
      Wyświetlanie 1-3 z 3

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