Košík

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  1. SYS0223591
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    $a Hyperon puzzle and the RMF model with scaled hadron masses and coupling constants $f E. E. Kolomeitsev, K. A. Maslov, D. N. Voskresensky $z eng
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    $a The equation of state of cold baryonic matter is studied within a relativistic mean-field model with hadron masses and coupling constants depending on a scalar field. We demonstrate that if the effective nucleon mass stops to decrease with a density increase at densities n > n > n0, where n0 is the nuclear saturation density, the equation of state stiffens for these densities and the limiting neutron star mass increases. The stabilization of the nucleon mass can be realised if in the equation of motion for the scalar mean-field there appear a term sharply varying in a narrow vicinity of the field value corresponding to the density n . We show several possible realizations of this mechanism getting sufficiently stiff equations of state. The appearance of hyperons in dense neutron star interiors is accounted for. The obtained equations of state remain sufficiently stiff if the reduction of the ϕ meson mass is incorporated. Thereby, the hyperon puzzle can be resolved
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    $1 001 umb_un_cat*0226484 $1 011 $a 1742-6588 $1 011 $a 1742-6596 $1 200 1 $a Journal of Physics: Conference Series $v Vol. 668 (2016), pp. 1-6 $1 210 $a Bristol $c IOP Publishing $d 2016 $1 710 02 $3 umb_un_auth*0250030 $a SQM 2015 $b medzinárodná konferencia $d 15. $e Dubna $f 06.-11.07.2015
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    $a Journal of Molecular Structure $e THEOCHEM $v Vol. 901, no. 1-3 (2009)
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    $a Amsterdam $c Elsevier B.V. $d 2009
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    $1 001 umb_un_cat*0299688 $1 200 1 $a Journal of Molecular Structure $e THEOCHEM $1 210 $a Amsterdam $c Elsevier B.V. $d 1981-2010
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    $u https://www.sciencedirect.com/journal/journal-of-molecular-structure-theochem $a Link na zdrojový dokument
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    $a Regular maps from voltage assignments and exponent groups $f Roman Nedela, Martin Škoviera
    463
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    $1 001 umb_un_cat*150824 $1 200 1 $a Europ. J. Combinatorics $v Vol. 18 (1997), pp. 807-823 $1 210 $a London $c Academic Press Ltd. Elsevier Science $d 1997
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    $a Regulárne mapy z napôťových ohodnotení a exponentových grúp
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    $a 10.1080/15226514.2018.1474440 $2 DOI
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    $a 20190214d2018 m y slo 03 ba
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    $a The role of organo-zeolitic material in supporting phytoremediation of a copper mining waste dump $f Gheorghe Damian, Peter Andráš ... [et al.]
    330
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    $a The effect of applying organo-zeolitic (OZ) amendment in supporting phytoremediation of a copper mine waste dump, using a substrate obtained from L'ubietov a, Central Slovakia, was studied. Three plant growth substrates were prepared: (i) the untreated substrate sample from the contaminated site (D–O), (ii) the contaminated sample treated with OZ material, with 82% D–O and 18% OZ (DOþOZ), (iii) the soil from a reference site (R). The largest amount of dry biomass was obtained from the DOþOZ sample. Whole plants grown on the original substrate (D–O) were accumulating a high concentration of Cu (3057mg kg 1). The plants root grown on DOþOZ sample accumulated highest Cu concentrations (3127mg kg 1), but in their aerial part, only 83.54mg kg 1 was accumulated. The translocation factor’s lower than the unit values prove that these plant species do not transfer heavy metals from root to shoot, this is why their heavy metal excluder role is evident. The value of the bioconcentration factor of the DOþOZ root/substrate obtained to be greater than the unit for Cu, Pb, Zn, Cd, Co, Ni, and Mn, suggests the OZ material’s positive contribution in the phytoremediation process that can be applied for these waste dumps.
    463
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    $1 001 umb_un_cat*0289362 $1 200 1 $a International Journal of Phytoremediation $v Vol. 20, no. 13 (2018), pp. 1307-1316 $1 210 $a Philadelphia $c Taylor & Francis $d 2018 $1 011 $a 1522-6514 $1 011 $a 1549-7879
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    $3 umb_un_auth*0004164 $a Turisová $b Ingrid $p UMBFP09 $4 070 $9 30 $f 1965- $g Ondrejová $T Katedra biológie a environmentálnych štúdií
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  6.  

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