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    Wyświetlanie 1-4 z 4
    Tytuł:
    Ecological aspects of water coal fuel transportation and application
    Ekologiczne aspekty transportu i wykorzystania paliwa wodno-węglowego
    Autorzy:
    Chernetskaya, N.
    Shvornikova, A.
    Powiązania:
    https://bibliotekanauki.pl/articles/374115.pdf
    Data publikacji:
    2010
    Wydawca:
    Politechnika Śląska. Wydawnictwo Politechniki Śląskiej
    Tematy:
    paliwo wodno-węglowe
    węgiel
    popiół
    poziom popiołu
    charakterystyka reologiczna
    hydrotransport
    water-coal fuel
    coal
    ash level
    rheological characteristics
    Opis:
    This paper deals with the aspects of influence of transportation process and burning of water coal fuel on an ecological condition of environment. Also mathematical dependences between coal ash level and power consumption for transportation are presented.
    Źródło:
    Transport Problems; 2010, 5, 1; 97-104
    1896-0596
    2300-861X
    Pojawia się w:
    Transport Problems
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Use of ash and slag from power generation in agriculture of Russia
    Zasosowanie rolnicze popiołu i żużla z elektrowni w Rosji
    Autorzy:
    Putilov, V.
    Stankowski, S.
    Putilova, I.
    Uchevatov, A.
    Powiązania:
    https://bibliotekanauki.pl/articles/82422.pdf
    Data publikacji:
    2011
    Wydawca:
    Zachodniopomorski Uniwersytet Technologiczny w Szczecinie. Wydawnictwo Uczelniane ZUT w Szczecinie
    Tematy:
    Russia
    agriculture
    ash
    slag
    land reclamation
    fertilizer
    soil liming
    soil property
    chemical composition
    mineralogical composition
    coal ash
    granular fertilizer
    power generation
    utilization level
    Źródło:
    Folia Pomeranae Universitatis Technologiae Stetinensis. Agricultura, Alimentaria, Piscaria et Zootechnica; 2011, 18
    2081-1284
    Pojawia się w:
    Folia Pomeranae Universitatis Technologiae Stetinensis. Agricultura, Alimentaria, Piscaria et Zootechnica
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Kondycja jesionu wyniosłego (Fraxinus excelsior L.) w zależności od warunków wilgotnościowych wybranych siedlisk leśnych
    Health status of European ash (Fraxinus excelsior L.) in relation to the moisture of selected forest sites
    Autorzy:
    Turczański, K.
    Rutkowski, P.
    Nowiński, M.
    Zawieja, B.
    Powiązania:
    https://bibliotekanauki.pl/articles/979248.pdf
    Data publikacji:
    2020
    Wydawca:
    Polskie Towarzystwo Leśne
    Tematy:
    Fraxinus excelsior
    kondycja drzew
    warunki siedliska
    typy siedliskowe lasu
    warunki wilgotnosciowe
    uwilgotnienie gleby
    poziom wod gruntowych
    leśnictwo
    drzewa leśne
    jesion wyniosły
    ash dieback
    forest site type
    soil moisture
    depth of the groundwater level
    Opis:
    The study aimed to determine the influence of site moisture conditions on the health status of European ash. The research plots were located in the Babki, Konstantynowo and Łopuchówko forest districts, as well as in the Poznań Municipal Forests (western Poland). The research was carried out on 30 research plots established in the part of the stands with at least 80% share of ash in the stand species composition. Ash aged from 48 to 144 years. The scope of the research included: (1) selection of the research plots and determination of the forest site type, (2) assessment of site moisture conditions – the type and degree of moisture and the depth of the groundwater level, (3) selection of 15 trees belonging to the 1st and 2nd Kraft’s class and assessment of their health status using the synthetic damage indicator, which is based on the crown defoliation and vitality of upper part of the crown. Results revealed that the best health status of ash stands was noted in mesic broadleaved forest. In contrast, within the stands in moist broadleaved forest, alder−ash forest and riparian forest we observed the highest share of damaged and dying trees. The more detailed analysis of moisture conditions showed that the lowest damage of ash was noted within the stands with the groundwater level at depth below 1.8 m and up to 0.5 m. Moreover, a high share of healthy and weakened trees occurred also within the stands with water flowing down the slope and in the compact soils, where water does not undergo significant level fluctuations. The most damaged stands occurred mostly in dehydrated soils, as well as in the soils where the depth of the groundwater was between 0.5 and 1.8 m.
    Źródło:
    Sylwan; 2020, 164, 02; 133-141
    0039-7660
    Pojawia się w:
    Sylwan
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Influence of biofertilizers on protein, moisture and ash content in relation to swelling property, water absorption capacity, mineral elements, total phenolic level of Stevia (Stevia rebaudiana Bert.) plant grown under acidic soil zone of South India
    Autorzy:
    Das, K.
    Dang, R.
    Powiązania:
    https://bibliotekanauki.pl/articles/11022.pdf
    Data publikacji:
    2014
    Wydawca:
    Przedsiębiorstwo Wydawnictw Naukowych Darwin / Scientific Publishing House DARWIN
    Tematy:
    biofertilizer
    protein
    moisture
    ash content
    swelling property
    physicochemical property
    phenol
    water absorption
    absorption capacity
    mineral element
    total phenolics level
    atomic absorption spectrometry
    stevia
    Stevia rebaudiana
    plant growth
    acid soil zone
    South India
    India
    Opis:
    The field experiment on Stevia rebaudiana (SR), (Family: Asteraceae) was carried out in acid soil zone of Shimoga (Karnataka) in the year 2009 and 2010 to investigate the influence of biofertilizers on protein, moisture and ash content in the dried Stevia leaf and their correlation with swelling property, water absorption capacity and mineral element contents. Results revealed that second harvested sample (August) in first year (2009) was better for all aspects than other harvested samples and the results showed significant increase in protein content (16.22 %), swelling index (SI) (5.10 % w/w), water absorption capacity (WAC) (4.91 ml/g) with the treatment T8 where three bio fertilizers were applied togetherly with simultaneous moisture content varied from 6.61 to 7.18 %. The significant higher correlations were observed (significant at 1 %) between protein content with SI (r = 0.99), WAC (r = 0.99) and SI with WAC (r = 0.98) in 2009 harvested samples. The ash content was higher in third harvested sample (13.54 %) in the year 2009 with simultaneous increased amount of Fe (6.19 mg/kg), Mn (1.24 mg/kg), Cu (0.72 mg/kg) and Zn (1.22 mg/kg) contents due to the residual effect of bio fertilizers. Nitrogen (0.74 mg/kg), P (0.40 mg/kg) and K (0.68 mg/kg) contents were higher during second harvested samples and thereafter decreased. Total phenolic content was also recorded highest (64.52 mg/g) with three bio fertilizers applied togetherly during year 2009 compared to the year 2010 (50.12 mg/g). The results suggest that the application of bio-fertilizers either single or more numbers in a balanced way may be beneficial in improving protein, phenol and mineral contents of stevia plant.
    Źródło:
    International Letters of Natural Sciences; 2014, 01
    2300-9675
    Pojawia się w:
    International Letters of Natural Sciences
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
      Wyświetlanie 1-4 z 4

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