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    Wyświetlanie 1-4 z 4
    Tytuł:
    Stwierdzenie zgniotka cynobrowego Cucujus cinnaberinus (Scopoli, 1763) (Coleoptera: Cucujidae) w Parku Młocińskim w Warszawie
    The record of a threatened saproxylic beetle Cucujus cinnaberinus (Scopoli, 1763) (Coleoptera: Cucujidae) in the Młociński Park in Warsaw
    Autorzy:
    Czaja, M.
    Powiązania:
    https://bibliotekanauki.pl/articles/33358.pdf
    Data publikacji:
    2019
    Wydawca:
    Mazowiecko-Świętokrzyskie Towarzystwo Ornitologiczne
    Tematy:
    zgniotek cynobrowy
    Cucujus cinnaberinus
    Park Mlocinski
    parki krajobrazowe
    Warszawa
    stanowiska
    wystepowanie
    Źródło:
    Kulon; 2019, 24
    1427-3098
    Pojawia się w:
    Kulon
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Influence of platinum ions on the germination and seedling root growth of different plant species
    Autorzy:
    Kołton, A.
    Czaja, M.
    Powiązania:
    https://bibliotekanauki.pl/articles/184790.pdf
    Data publikacji:
    2014
    Wydawca:
    Akademia Górniczo-Hutnicza im. Stanisława Staszica w Krakowie. Wydawnictwo AGH
    Tematy:
    platinum
    root growth
    tomato
    oat
    garden cress
    Opis:
    For several decades an increase of platinum in the environment was recorded. This is connected with the release of platinum from automobile catalytic converters and pharmaceutical industries. In the conducted experiments the effect of various forms and concentrations of platinum on the germination and roots growth of different plants (oat, garden cress and tomato) was investigated. Two separate experiments were performed with lower (experiment 1st: 1, 5 and 10 mg/L) and higher (experiment 2nd: 10, 20 and 40 mg/L) [Pt(NH3)4](NO3)2 or PtCl4 dosages. There was no significant effect of dose and form of platinum on the germination of seeds (experiment 1st and 2nd). The effect of platinum containing substances dose on root growth of young seedlings was observed during experiment, dependent on the species of tested plants. The root length of oat plants was similar in all treatments in experiment 1st. The shortest tomato roots were observed in the case of a 10 mg/L of PtCl4, it was statistically shorter than the control plants (treated with water) as well. The roots of the tomato treated with [Pt(NH3)4](NO3)2 were the same length as observed for the control sample. The garden cress root growth was not affected by [Pt(NH3)4](NO3)2, but a solution containing Pt4+ stimulated the root growth. The roots of tomato and oat treated with [Pt(NH3)4](NO3)2 had similar length as the control plants in contrast to the far shorter roots treated with PtCl4 (experiment 2nd). Moreover, the treatment with [Pt(NH3)4](NO3)2 stimulated the growth of garden cress roots compared to the control, while only the lowest dose of PtCl4 stimulated the root growth.
    Źródło:
    Geology, Geophysics and Environment; 2014, 40, 4; 343-348
    2299-8004
    2353-0790
    Pojawia się w:
    Geology, Geophysics and Environment
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Analysis of aromatic fractions of low-temperature coal tars with the use of synchronous luminescence technique
    Autorzy:
    Matuszewska, A.
    Czaja, M.
    Powiązania:
    https://bibliotekanauki.pl/articles/1204923.pdf
    Data publikacji:
    2002
    Wydawca:
    Państwowy Instytut Geologiczny – Państwowy Instytut Badawczy
    Tematy:
    synchronous luminescence
    coal primary tar
    Opis:
    The qualitative analysis by synchronous luminescence technique was performed on aromatic fractions of primary tars obtained from humic and sapropelic coals (from Upper Silesia Basin). The synchronous luminescence technique, called also the technique of spectral fractionation, consists in the record of a spectrum at the constant difference between the positions of emission and excitation monochromators (Dl). This difference is calculated as a result of subtraction of effective emission and excitation wavelengths characterising compounds identified in investigated mixture. In relation with conventional luminescence technique, giving broad, low resolved bands in the conditions of ambient temperature, the synchronous luminescence technique enables to obtain well resolved and simplified spectra that facilitate the identification of individual components of the mixture. The application of this technique to analysis of aromatic fractions composition of primary tars from coals of various genesis and technological properties (sapropelic and humic coals) has shown a general similarity of composition with predomination of aromatic compounds containing 2-4 condensed rings. In the sample derived from sapropelic coal, a markedly higher intensity of bands is observed, attributed to aromatics of lower condensation degree (2-3 condensed rings), in relation with the bands of aromatics with higher intensity (3-4 condensed rings). The reverse relation is observed for sample from humic coal. In both analysed samples, a series of the following individual compounds has been identified from groups of aromatics: naphthalenes, acenaphthenes, benzofluorenes, anthracenes, pyrenes, and benz(a)anthracenes. Smaller amounts of benz(a)pyrenes, benz(ghi)perylene, and 3, 4-9, 10-dibenzopyrene were also encountered. The technique of synchronous luminescence made possible, therefore, the identification of individual components of complex mixture of aromatic compounds in coal derived products. This technique is thus of great value for the characteristics of aromatic compounds in thermolysis products of coal, in the cognitive aspect, as well as in monitoring of environment.
    Źródło:
    Polish Geological Institute Special Papers; 2002, 7; 181-188
    1507-9791
    Pojawia się w:
    Polish Geological Institute Special Papers
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Influence of platinum ions on phenolic compounds in Lepidium sativum seedlings
    Autorzy:
    Czaja, M.
    Kołton, A.
    Muras, P.
    Powiązania:
    https://bibliotekanauki.pl/articles/184567.pdf
    Data publikacji:
    2014
    Wydawca:
    Akademia Górniczo-Hutnicza im. Stanisława Staszica w Krakowie. Wydawnictwo AGH
    Tematy:
    Lepidium sativum
    heavy metals
    Pt4+
    Pt2+
    oxidative stress
    Opis:
    Despite limiting the transport emitted pollution, contamination of the roadside environment remains an important issue. Due to necessity to decrease the lead emission, catalytic converters modifications were introduced. It caused increase of Platinum Group Elements (PGEs) emission, which was rare in the environment before. So far there is lack of information about platinum contamination to functioning of plants which are so important in the urban environment. In the experiment garden cress (Lepidium sativum) were sown into Petri dishes filled with filter paper soaked with solutions of different platinum concentration. There were used two compounds containing platinum at different oxidation states PtCl4 - ssolutions containing 0.58, 2.89, 5.79, 11.58 and 23.16 mg Pt4+•dm−3 and [Pt(NH3)4] (NO3)2 - solutions containing 0.50, 2.52, 5.04, 10.08 and 20.15 mg Pt2+•dm−3 in every combination of the experiment. In every combination there were five Petri dishes, experiment was repeated twice. To estimate plant response to stress factor, phenolic compounds contents were analyzed in the roots and shoots parts separately. The highest amount of total phenolics in roots was recorded in plants treated with highest Pt4+ dose which was 23.16 mg•dm−3, seeds treated with other doses of platinum (including those treated with highest dose of Pt2+ did not differ significantly from control plants. In the case of phenolic compounds in the aboveground parts of seedlings there was highest accumulation than in roots. Highest amounts of phenolics were recorded in plants also treated with Pt4+ in doses 11.58 and 23.16 mg•dm−3.
    Źródło:
    Geology, Geophysics and Environment; 2014, 40, 4; 319-324
    2299-8004
    2353-0790
    Pojawia się w:
    Geology, Geophysics and Environment
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
      Wyświetlanie 1-4 z 4

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