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Wyświetlanie 1-15 z 350
Tytuł:
New trace fossils from the La Meseta Formation (Eocene) of Seymour Island, Antarctica
Autorzy:
Uchman, Alfred
Gaździcki, Andrzej
Powiązania:
https://bibliotekanauki.pl/articles/2051913.pdf
Data publikacji:
2006
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
Antarctica
Eocene
trace fossils
Źródło:
Polish Polar Research; 2006, 27, 2; 153-170
0138-0338
2081-8262
Pojawia się w:
Polish Polar Research
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Air pollution and natural sedimentation from the atmosphere in the region of the Admiralty Bay (South Shetland Islands)
Autorzy:
Pęcherzewski, Kazimierz
Powiązania:
https://bibliotekanauki.pl/articles/2053259.pdf
Data publikacji:
1987
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
Antarctic
air pollution
trace metals
Źródło:
Polish Polar Research; 1987, 8, 2; 145-151
0138-0338
2081-8262
Pojawia się w:
Polish Polar Research
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Construction of ichnogeneric names
Autorzy:
Rindsberg, A. K.
Powiązania:
https://bibliotekanauki.pl/articles/191214.pdf
Data publikacji:
2015
Wydawca:
Polskie Towarzystwo Geologiczne
Tematy:
ichnology
trace fossils
ichnotaxonomy
terminology
Opis:
Ichnologists have over used the root ichn- “trace”, employing it in new terms and new ichnogenera alike, to the point where it can be difficult to express one self clearly without using it several times in one sentence. The root derives from Ancient iχνος (ichnos), which means “foot print” or “track”, or by extension a “trace”, any sign of an animal’s activity. Perhaps it is time to explore the use of other roots to create new ichnologic terms and genera. Alternative Latin and Greek roots are given here, as well as ad vice on how to construct new ichnogenera in a technically correct and aesthetically pleasing manner.
Źródło:
Annales Societatis Geologorum Poloniae; 2015, 85, 3; 529-549
0208-9068
Pojawia się w:
Annales Societatis Geologorum Poloniae
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Wobec genologii. Gatunek indywidualny Julii Hartwig
Autorzy:
Baran, Magdalena
Powiązania:
https://bibliotekanauki.pl/articles/445648.pdf
Data publikacji:
2017
Wydawca:
Uniwersytet Pedagogiczny im. Komisji Edukacji Narodowej w Krakowie
Tematy:
individual genre
lapidary
trace
miniature
Opis:
In the context of genology. Julia Hartwig’s individual genre The article relates to three collections of poetry written by Julia Hartwig entitled Błyski, Zwierzenia i błyski, Trzecie błyski. Those miniature notes form a collection of omnidirectional traces and signs, characterized by its structural and thematic heterogeneity. Poetics notes contained in discusses volumes execute atypical literary form which is lapidaries. Hartwig while creating further poems, she heads a for authorial poetics, she generates entirely individual genre. Błyski also come in various analogic relations with Hartwig’s another poems placed in different poetry volumes. It proclaims the repeatability of topics, motives and structures in Hartwig’s writings, even the rewriting of her own lines and verses.
Źródło:
Annales Universitatis Paedagogicae Cracoviensis. Studia Poetica; 2017, 5; 203-219
2353-4583
2449-7401
Pojawia się w:
Annales Universitatis Paedagogicae Cracoviensis. Studia Poetica
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Iron in cattle health
Autorzy:
Wysocka, D.
Snarska, A.
Sobiech, P.
Powiązania:
https://bibliotekanauki.pl/articles/1192099.pdf
Data publikacji:
2020
Wydawca:
Uniwersytet Warmińsko-Mazurski w Olsztynie / Polskie Towarzystwo Magnezologiczne im. Prof. Juliana Aleksandrowicza
Tematy:
cattle
iron
trace element homeostasis
Opis:
Iron is one of the most abundant elements on Earth, a vital component of every living organism, and an essential micronutrient for all animal species. The primary source of iron for calves and other new-born ruminants is milk or a milk replacer, while for adults it is forage. Drinking water can contain various amounts of Fe ions and can be a source of this element as well. Systemic iron homeostasis in vertebrates is mostly regulated by hepcidin (HEP), a peptide synthesized and secreted by hepatocytes. The largest amounts of iron in the body are incorporated into proteins, mainly haemoglobin and myoglobin. This element participates in several biochemical processes including blood production, transport of oxygen, energy metabolism and immune processes. Iron deficiency can result in so-called iron deficiency anaemia, mostly occurring in young calves due to low iron content in cow’s milk and high demand for this element by calf’s organism. Iron poisoning mostly occurs due to excess iron intake caused by an inappropriate dose of iron given to animals (injection or per os administration) or accidental consumption of high doses of supplements. Excess iron intake can cause overload and damage of internal organs. Oxidation of ferrous iron in haemoglobin can result in methemoglobinemia and an inability of erythrocytes to carry oxygen. In recent years, scientists have implicated some questions regarding iron and ruminants that need re-evaluation or further investigation, e.g. the upper tolerable concentration of Fe in drinking water, the relationship between inflammation and iron status, serum Fe as an indicator of inflammation, or ferritin as a predictive factor for iron deficiency anaemia in cattle.
Źródło:
Journal of Elementology; 2020, 25, 3; 1175-1185
1644-2296
Pojawia się w:
Journal of Elementology
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Indium in polymetallic mineralisation at the Gierczyn mine, Karkonosze-Izera Massif, Poland : results of EPMA and LA-ICP-MS investigations
Autorzy:
Foltyn, Krzysztof
Bertrandsson Erlandsson, Viktor
Kozub-Budzyń, Gabriela Anna
Melcher, Frank
Piestrzyński, Adam
Powiązania:
https://bibliotekanauki.pl/articles/2058542.pdf
Data publikacji:
2020
Wydawca:
Państwowy Instytut Geologiczny – Państwowy Instytut Badawczy
Tematy:
Gierczyn
indium
trace elements
metamorphism
Opis:
Cassiterite and base-metal mineralisation from the Gierczyn mine on the Karkonosze-Izera Massif, Poland has been studied using electron microprobe and LA-ICP-MS (Laser Ablation Inductively Coupled Plasma Mass Spectrometry) techniques in order to determine the content of indium in the ore minerals. The main carriers of this element are sphalerite (up to 433 μ/g of In), chalcopyrite (up to 117 μ/g of In) and cassiterite (up to 0.02 wt.% In). Trace element contents of sulphides, especially Ga in chalcopyrite intergrown with sphalerite in comparison with chalcopyrite without sphalerite, may indicate metamorphic re-equlibration and suggests that the ore minerals might recrystallized and underwent metamorphism in conditions of greenschist/amphibolite facies. Although the deposits in the Stara Kamienica Schist Belt are not of economic value, they can contribute to better understanding of the relations between trace element partitioning and the formation of ore minerals.
Źródło:
Geological Quarterly; 2020, 64, 1; 74--85
1641-7291
Pojawia się w:
Geological Quarterly
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
L’animalità nella poesia di Jolanda Insana
The Animality in the Poetry of Jolanda Insana
Autorzy:
Malicka, Paulina
Powiązania:
https://bibliotekanauki.pl/articles/1048391.pdf
Data publikacji:
2018-11-22
Wydawca:
Uniwersytet im. Adama Mickiewicza w Poznaniu
Tematy:
animal
sound
voice
trace
territory
Opis:
The scope of the article is to reflect upon the argument of animality in the work of the Sicilian poet Jolanda Insana (1937-2016) which represents one of the possible interpretive keys of her works. The analytical part of the paper contains an analysis from the anti-anthropocentric perspective of some fragments of the section Bestia clandestina included in the volume Turbativa d’incanto (2012).
Źródło:
Studia Romanica Posnaniensia; 2018, 45, 3; 35-47
0137-2475
2084-4158
Pojawia się w:
Studia Romanica Posnaniensia
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
The content of trace elements in the diet of adolescents in Warsaw
Zawartość pierwiastków śladowych w dietach młodzieży zamieszkałej w Warszawie
Autorzy:
Dybkowska, E.
Swiderski, F.
Waszkiewicz-Robak, B.
Powiązania:
https://bibliotekanauki.pl/articles/874929.pdf
Data publikacji:
2011
Wydawca:
Narodowy Instytut Zdrowia Publicznego. Państwowy Zakład Higieny
Tematy:
trace element
trace element content
iron
zinc
copper
human nutrition
diet
adolescent
Warsaw city
Opis:
The aim of the study is to assess the contents of iron, zinc and copper in the diet among of adolescents living in Warsaw. The intake of selected trace elements was estimated on the basis of three-day dietary records. Microelement contents in the diet were calculated using Food Composition Tables. The percentage of the RDA realization for the safe level was calculated on the basis of standards for Polish population, developed by National Food and Nutrition Institute. It was demonstrated that adolescents living in Warsaw had 50-60% copper-deficient diets. The content of iron and zinc in the diet of adolescents was about 10‑40% lower than recommended. Deficiency of iron in the body causes anaemia and influences learning process, therefore the content of this element in the diet of young people is especially important.
Celem pracy była ocena poziomu spożycia żelaza, cynku i miedzi przez młodzież zamieszkałą na terenie Warszawy. Średnie spożycie wybranych mikroelementów oszacowano na podstawie badań przeprowadzonych metodą trzydniowego bieżącego notowania oraz przy zastosowaniu tabel wartości odżywczej produktów spożywczych i odniesiono do norm dla ludności Polski opracowanych w Instytucie Żywności i Żywienia na poziomie bezpiecznym. Wykazano, że młodzież zamieszkała na terenie Warszawy miała diety niedoborowe w miedź w 50-60%. Zawartość żelaza i cynku w diecie badanych osób również była o ok. 10-40% niższa od zalecanej. Niedobór żelaza w organizmie powoduje niedokrwistość i wpływa na procesy uczenia się, dlatego zawartość tego pierwiastka w diecie osób młodych jest szczególnie istotna.
Źródło:
Roczniki Państwowego Zakładu Higieny; 2011, 62, 2
0035-7715
Pojawia się w:
Roczniki Państwowego Zakładu Higieny
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
The yield and content of trace elements in biomass of Miscanthus sacchariflorus (Maxim.) Hack. and in soil in the third year of a pot experiment
Plon i zawartość pierwiastków śladowych w biomasie trawy Miscanthus sacchariflorus (Maxim.) Hack oraz w glebie, w trzecim roku doświadczenia wazonowego
Autorzy:
Kalembasa, D.
Malinowska, E.
Powiązania:
https://bibliotekanauki.pl/articles/14701.pdf
Data publikacji:
2009
Wydawca:
Uniwersytet Warmińsko-Mazurski w Olsztynie / Polskie Towarzystwo Magnezologiczne im. Prof. Juliana Aleksandrowicza
Tematy:
Miscanthus sacchariflorus
biomass
yield
trace element
trace element content
soil
pot experiment
fertilization
sewage sludge
Opis:
In the third year of a pot experiment (in a greenhouse), the carryover influence of fertilization with fresh sewage sludge and, for comparison, mineral fertilization on the content and uptake of Fe, Mn, Mo, B, Ba, Sr, As, Sn, Li, and Ti by the biomass of Miscanthus sacchariflorus grass. The yield of silver-grass biomass was evaluated on the basis of two harvests (June and December). Trace elements in the tested grass as well as in the soil (after harvest) were determined by means of the ICP-AES technique after sample combustion in a muffle furnace. Significant influence of sewage sludge fertilization on yield of silver- grass biomass was found. Grass harvested in autumn contained higher contents of some analyzed trace elements (Fe, Mn, Sr, Ba, and Ti) than that harvested in summer. The uptake of trace elements uptake by the silver-grass biomass was higher from the objects fertilized with sewage sludge than the ones receiving mineral fertilization. After three years of cultivation, the soil contained more Fe, Mn, Ba, Sr, Ti, B, and Li as compared to the content before the experiment.
W trzecim roku doświadczenia wazonowego (w warunkach szklarni) badano wpływ następczego nawożenia świeżym osadem ściekowym oraz – dla porównania – nawożenia mineralnego na zawartość i pobranie Fe, Mn, Mo, B, Ba, Sr, As, Sn, Li i Ti przez biomasę trawy Miscanthus sacchariflorus. Plon biomasy określono na podstawie dwóch zbiorów miskanta (w czerwcu i grudniu). Pierwiastki śladowe w testowanej trawie oraz glebie (po zbiorze) oznaczono metodą ICP-AES, po mineralizacji próbek na sucho, w piecu muflowym. Stwierdzono istotny wpływ nawożenia osadem ściekowym na plonowanie biomasy miskanta cukrowego. W trawie zebranej jesienią stwierdzono większą zawartość niektórych analizowanych pierwiastków (Fe, Mn, Sr, Ba i Ti) niż w trawie zebranej latem. Pobranie pierwiastków śladowych z plonem biomasy miskanta było większe z obiektów nawożonych osadem ściekowym niż z obiektu nawo¿onego nawozami mineralnymi. Po trzech latach uprawy stwierdzono w glebie większą zawartość Fe, Mn, Ba, Sr, Ti, B i Li, w porównaniu z zawartością przed założeniem eksperymentu.
Źródło:
Journal of Elementology; 2009, 14, 4
1644-2296
Pojawia się w:
Journal of Elementology
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Prognosis of environmental impact of trace elements from brown coal-fired power plant Bełchatów
Autorzy:
Konieczyński, J.
Komosiński, B.
Jabłońska, M.
Cieślik, E.
Powiązania:
https://bibliotekanauki.pl/articles/204574.pdf
Data publikacji:
2012
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
environment protection
brown coal
trace elements
combustion products
fl ue gas desulphurization (FGD) gypsum
forecast of trace elements emission
forecast of trace elements transfer
Opis:
A forecast of the negative impact exerted on the environment by selected trace elements in "Bełchatów" Power Plant has been prepared on the basis of the results of investigations into these elements’ distribution carried out as part of earlier research on coal from “Bełchatów” Field and the data on updated analyses of the content of these elements in 55 brown coal samples from test boreholes. Work in "Bełchatów" Power Plant, which is supplied with coal from "Szczerców" Field, will be accompanied by trace elements transfer. On the basis of the conducted investigations it has been found that the biosphere is most threatened by mercury emissions. As shown by the presented results of analyses and calculations, the emissions of mercury in "Bełchatów" Power Plant are low. Mercury is accumulated chiefly in gypsum produced in the FGD plant. The content of mercury in slag and ash is low.
Źródło:
Archives of Environmental Protection; 2012, 38, 3; 59-72
2083-4772
2083-4810
Pojawia się w:
Archives of Environmental Protection
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Trace element geochemistry of coals from the Southern Cantabrian Zone (NW Spain): preliminary results
Autorzy:
Botor, Dariusz
Powiązania:
https://bibliotekanauki.pl/articles/2086486.pdf
Data publikacji:
2011
Wydawca:
Polskie Towarzystwo Mineralogiczne
Tematy:
trace elements
coal
Cantabrian Mountains
Spain
Opis:
Bituminous to anthracite coals from three small Stephanian intramontane coal-bearing basins (La Magdalena, Cinera-Matallana and Sabero) located along the Sabero-Gordón fault line strike-slip systems of the Southern Cantabrian Zone (SCZ) were examined. Coal rank expressed as mean vitrinite reflectance values of these Stephanian coals is in the range 0.72-3.96%. The vitrinite maceral group exceeds 72 vol. % in all of the coals. The coals are characterized by relatively variable contents of mineral matter and coal-ash. The mineral matter comprises, in the main, clay minerals, carbonates, sulphides and quartz. The coals exhibit medium-high concentrations (see for comparison Ronov et al. 1990; Kabata-Pendias, Pendias 1999; Ketris, Yudovich 2009) of the following elements (in ppm): ΣREE (53-205), Ba (300-900), As (11-57), Zn (<50-150), Cr (10-160), Rb (50- 145), Co (5-26), Sc (2-24.6), Ce (17-99), Yb (1.3-4.5), Th (2.4-11.9) and U (1.1-8.1), Br (<1-14), Cs (<2-9), Eu (<0,3-1.5), Lu (0.11-0.85) and Sb (0.8-4.8), and relatively low concentrations of Sm (0.6-6.6) and Ta (<1-2). They are also characterised by relatively high Th/U values (1.31-2.29). LREE/HREE values fall in the range 24-44 (average - 30). In contrast, concentrations of Au, Ag, Hg, Ir, Ni, Se, Sn, Sr, and W are below detection limits for the applied INAA method. As the concentrations of elements are significantly higher in coal-ash, most are likely related to mineral matter in the coals.
Źródło:
Mineralogia; 2011, 42, 1; 39--51
1899-8291
1899-8526
Pojawia się w:
Mineralogia
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Trace element geochemistry of coals from the Southern Cantabrian Zone (NW Spain): preliminary results
Autorzy:
Botor, D.
Powiązania:
https://bibliotekanauki.pl/articles/2086537.pdf
Data publikacji:
2011
Wydawca:
Polskie Towarzystwo Mineralogiczne
Tematy:
trace elements
coal
Cantabrian Mountains
Spain
Opis:
Bituminous to anthracite coals from three small Stephanian intramontane coal-bearing basins (La Magdalena, Cinera-Matallana and Sabero) located along the Sabero-Gordón fault line strike-slip systems of the Southern Cantabrian Zone (SCZ) were examined. Coal rank expressed as mean vitrinite reflectance values of these Stephanian coals is in the range 0.72-3.96%. The vitrinite maceral group exceeds 72 vol. % in all of the coals. The coals are characterized by relatively variable contents of mineral matter and coal-ash. The mineral matter comprises, in the main, clay minerals, carbonates, sulphides and quartz. The coals exhibit medium-high concentrations (see for comparison Ronov et al. 1990; Kabata-Pendias, Pendias 1999; Ketris, Yudovich 2009) of the following elements (in ppm): ΣREE (53-205), Ba (300-900), As (11-57), Zn (<50-150), Cr (10-160), Rb (50- 145), Co (5-26), Sc (2-24.6), Ce (17-99), Yb (1.3-4.5), Th (2.4-11.9) and U (1.1-8.1), Br (<1-14), Cs (<2-9), Eu (<0,3-1.5), Lu (0.11-0.85) and Sb (0.8-4.8), and relatively low concentrations of Sm (0.6-6.6) and Ta (<1-2). They are also characterised by relatively high Th/U values (1.31-2.29). LREE/HREE values fall in the range 24-44 (average - 30). In contrast, concentrations of Au, Ag, Hg, Ir, Ni, Se, Sn, Sr, and W are below detection limits for the applied INAA method. As the concentrations of elements are significantly higher in coal-ash, most are likely related to mineral matter in the coals.
Źródło:
Mineralogia; 2011, 42, 1; 39--51
1899-8291
1899-8526
Pojawia się w:
Mineralogia
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
The use of the terms trace, mark and structure
Autorzy:
Vallon, L. H.
Rindsberg, A. K.
Martin, A. J.
Powiązania:
https://bibliotekanauki.pl/articles/191828.pdf
Data publikacji:
2015
Wydawca:
Polskie Towarzystwo Geologiczne
Tematy:
ichnology
terminology
mark
trace
sedimentary structure
Opis:
Mark, trace and structure have been in consistently used in ichnology for many years; we wish to clarify the origins and to prescribe correct usage of these terms. The origins of the words are ancient and complex; in the twentieth century they were given clear definitions as ichnologic terms. Seilacher (1953) defined a mark (German Marke) as a physical (abiogenic) sedimentary structure, as in the common terms sole mark, flute mark, but not bite mark or scratch mark. Trace has been defined many times; we recommend the consensus definition of Bertling et al. (2006) as “a morphologically recurrent structure resulting from the life activity of an individual organism (or homotypic or ganisms) modifying the substrate”; this in cludes dwelling trace, feeding trace, bite trace. Structure, as implied in another consensus paper (Frey, 1973), is a neutral term for geologic patterns resulting from either biogenic or abiogenic processes. Use of the three terms in a clear consistent manner will aid communication both among ichnologists and between ichnologists and their colleagues in other fields.
Źródło:
Annales Societatis Geologorum Poloniae; 2015, 85, 3; 527-528
0208-9068
Pojawia się w:
Annales Societatis Geologorum Poloniae
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Bioerosional ichnotaxa and the fossilization barrier
Autorzy:
Bromley, R. G.
Nielsen, K. S. S.
Powiązania:
https://bibliotekanauki.pl/articles/191978.pdf
Data publikacji:
2015
Wydawca:
Polskie Towarzystwo Geologiczne
Tematy:
Fossilized
unfossilized
bioerosion
trace fossils
microborings
Opis:
For the establishment of a new ichnogenus or ichnospecies, the type material shall be fossil, not unfossilized material. This is not always possible, because the transition between the two states, the fossilization barrier, is extremely vague defined. In most fossil material, this is not a problem. However, in the case of bioerosion structures (borings, rasping traces, attachment scars in hard substrates), the problem is serious. For example, when does a sponge boring in an oyster shell be come fossilized? The question arises when Recent and sub-Recent materials are considered. Two examples are discussed. (1) Microborings are described and named in foraminifera dredged from the sea floor. In this material, it is not possible to distinguish between “fossilized” and “unfossilized” foraminifera. Bioturbation and other processes may have mixed recently dead, Pleistocene and older foraminifera in the sea-floor sediments. (2) Small, characteristic borings are made by slipper limpets in pagurized gastropod shells. The structures would constitute a new ichnospecies of Oichnus, but these borings have not been found in “fossilized material” and the borings therefore remain nameless. Because bioerosion structures constitute “ready-made fossils”, it is suggested that the onset of fossilization be equated with the death of the bioeroding tracemaker.
Źródło:
Annales Societatis Geologorum Poloniae; 2015, 85, 3; 453-455
0208-9068
Pojawia się w:
Annales Societatis Geologorum Poloniae
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
The determination of titanium contained in Tytanit biostimulant employed to improve crops performance in natural environmental samples
Autorzy:
Wasąg, Joanna
Grabarczyk, Malgorzata
Powiązania:
https://bibliotekanauki.pl/articles/764056.pdf
Data publikacji:
2016
Wydawca:
Uniwersytet Marii Curie-Skłodowskiej. Wydawnictwo Uniwersytetu Marii Curie-Skłodowskiej
Tematy:
Tytanit, Adsorptive stripping voltammetry, trace analysis
Opis:
The purpose of this work was to determinate the amount of titanium in different environmental water samples spiked with crop biostimulant Tytanit. The measurements were conducted using adsorptive stripping voltammetry (AdSV). The titanium complex with chloranilic acid was accumulated on mercury film silver based electrode (Hg(Ag)FE) at the potential -0.3 V. The analysis of natural water samples enriched with Tytanit, collected in the eastern part ofPolandconfirms that this procedure is fast and essential for the determination of titanium in environmental water samples.
Źródło:
Annales Universitatis Mariae Curie-Skłodowska, sectio AA – Chemia; 2016, 71, 2
2083-358X
Pojawia się w:
Annales Universitatis Mariae Curie-Skłodowska, sectio AA – Chemia
Dostawca treści:
Biblioteka Nauki
Artykuł
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