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Tytuł:
Biological evaluation of β-1,3-glucan/HA bone scaffold fabricated via new method
Autorzy:
Klimek, K.
Przekora, A.
Ginalska, G.
Powiązania:
https://bibliotekanauki.pl/articles/284634.pdf
Data publikacji:
2016
Wydawca:
Akademia Górniczo-Hutnicza im. Stanisława Staszica w Krakowie. Polskie Towarzystwo Biominerałów
Tematy:
curdlan
scaffolds
biomaterials
Źródło:
Engineering of Biomaterials; 2016, 19, 138; 52
1429-7248
Pojawia się w:
Engineering of Biomaterials
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Dialysis method for β-1,3- glucan gelation provides high biocompatibility of β-1,3-glucan/HA bone scaffold
Autorzy:
Klimek, K.
Przekora, A.
Wójcik, M.
Ginalska, G.
Powiązania:
https://bibliotekanauki.pl/articles/284818.pdf
Data publikacji:
2018
Wydawca:
Akademia Górniczo-Hutnicza im. Stanisława Staszica w Krakowie. Polskie Towarzystwo Biominerałów
Tematy:
dialysis
bone scaffolds
biocompatibility
Źródło:
Engineering of Biomaterials; 2018, 21, 148; 11
1429-7248
Pojawia się w:
Engineering of Biomaterials
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Effect of Temperature on Ausferritic Nodular Cast Iron Microstructure
Autorzy:
Gumienny, G.
Klimek, L.
Powiązania:
https://bibliotekanauki.pl/articles/379556.pdf
Data publikacji:
2014
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
innovative casting materials
innovative casting technologies
nodular cast iron
ausferrite
annealing
innowacyjne materiały odlewnicze
innowacyjne technologie
żeliwo sferoidalne
wyżarzanie
Opis:
The work presents the results of the studies of the effect of the temperature on the microstructure of ausferritic nodular cast iron. The ausferrite in the matrix was obtained by way of a specific combination of molybdenum and copper. The cast iron underwent annealing at the temperatures of 520, 550 and 580°C. The work presents the effect of the annealing temperature on the fraction of austenite in the cast iron matrix. The annealed and non-annealed cast iron hardness is given. The work also proves that an increase in the temperature up to 580°C causes a drop in the cast iron hardness.
Źródło:
Archives of Foundry Engineering; 2014, 14, 3 spec.; 21-24
1897-3310
2299-2944
Pojawia się w:
Archives of Foundry Engineering
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Effect of the Annealing Temperature on the Microstructure and Properties of Ausferritic Nodular Cast Iron
Autorzy:
Gumienny, G.
Klimek, L.
Kurowska, B.
Powiązania:
https://bibliotekanauki.pl/articles/383050.pdf
Data publikacji:
2016
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
innovative casting materials
innovative casting technologies
ausferritic cast iron
nodular cast iron
impact strength
annealing
innowacyjne materiały odlewnicze
innowacyjne technologie odlewnicze
żeliwo ausferrytyczne
żeliwo sferoidalne
siła uderzenia
wyżarzanie
Opis:
The paper presents the microstructure and selected properties of ausferritic nodular cast iron annealed at the temperature 520 and 550°C. This choice was dictated by the temperatures used in the practice of nitriding. Nodular graphite in cast iron was obtained with use of Inmold process. Cast iron containing molybdenum and copper ensuring obtaining an ausferrite in the cast iron matrix without the use of heat treatment of castings was tested. The effect of annealing temperature on the microstructure and the kind of fracture of the ausferritic nodular cast iron was presented. The effect of an annealing temperature on hardness, impact strength and the microhardness of ausferritic nodular cast iron matrix was shown too. The lamellar structure of phases in the cast iron matrix after annealing has been ascertained. There has been an increase in hardness of an annealed cast iron and microhardness of its matrix. The reduction in the impact strength of the cast iron annealed at 520 and 550°C was approximately 10-30%. Both an increase in the hardness of cast iron as well as an decrease in its impact strength is probably due to the separation of secondary carbides during the heat treatment.
Źródło:
Archives of Foundry Engineering; 2016, 16, 3; 43-48
1897-3310
2299-2944
Pojawia się w:
Archives of Foundry Engineering
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Effect of the remelting on transformations in Co-Cr-Mo prosthetics alloy
Autorzy:
Kacprzyk, B.
Szymczak, T.
Gumienny, G.
Klimek, L.
Powiązania:
https://bibliotekanauki.pl/articles/382914.pdf
Data publikacji:
2013
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
theory of crystallization
remelting
thermal analysis
derivative analysis
microstructure
composition
alloys properties
prosthetics alloys
teoria krystalizacji
przetapianie
analiza termiczna
analiza derywacyjna
mikrostruktura
właściwości stopu
stop protetyczny
Opis:
In the article we were studing the impact of the remelting on transformations in Co-Cr-Mo prosthetics alloy. The TDA curves were analyzed, the microstructure was examined, the analysis of the chemical composition and hardness using the Brinell method was made. It was found that the obtained microstructure of the alloys that we studied do not differ significantly. In all four samples, microscopic images were similar to each other. The volume, size and distribution of the phases remain similar. Analysis of the chemical composition showed that all the samples fall within the compositions provided for the test alloy. Further to this the hardness of the samples, regardless of the number of remeltings did not show any significant fluctuations and remained within the error limit. After analyzing all the results, it can be concluded that the remeltings of the alloys should not have a significant impact on their properties. Secondarily melted alloys can be used for prosthetics works.
Źródło:
Archives of Foundry Engineering; 2013, 13, 3; 47-50
1897-3310
2299-2944
Pojawia się w:
Archives of Foundry Engineering
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Field phenotyping of plant roots by electrical capacitance - a standardized methodological protocol for application in plant breeding: a Review
Autorzy:
Streda, T.
Haberle, J.
Klimesova, J.
Klimek-Kopyra, A.
Stredova, H.
Bodner, G.
Chloupek, O.
Powiązania:
https://bibliotekanauki.pl/articles/2082875.pdf
Data publikacji:
2020
Wydawca:
Polska Akademia Nauk. Instytut Agrofizyki PAN
Tematy:
root system
drought tolerance
varieties
yield
Opis:
Due to the absence of a suitable method and standardized procedures, the root systems of plants have been evaluated to a much lesser extent than aboveground organs. The aim of this article is (i) to provide a detailed description and thus standardization of an upgraded procedure of electrical capacitance measurement for evaluating the size of the root system of plants in situ, which allows for a reassessment to be made during the growing season and subsequent harvest of seeds for the planting of selected progenies, (ii) to demonstrate, through a standardized methodological protocol, the applicability of root electrical capacitance measurement as a field phenotyping method for the selection of superior root systems to improve crop abiotic stress tolerance and resource efficiency, (iii) to suggest a standardized methodological protocol for the application of electrical capacitance measurements in breeding nurseries, and (iv) to discuss the methodological aspects, development and limitations of this method. A methodological overview of the use of electrical capacitance to measure plant root systems, which emerged from working groups directed by the author of this unique method, is presented along with a standardized protocol. An overview of the application of electrical capacitance measurements of roots in breeding is shown along with some examples of successful applications.
Źródło:
International Agrophysics; 2020, 34, 2; 173-184
0236-8722
Pojawia się w:
International Agrophysics
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Mite (Acari) colonization of pine chips alone and pine chips supplemented with forest litter, peat and lignite in revitalization of degraded forest soils
Autorzy:
Klimek, A.
Chachaj, B.
Gackowski, G.
Kosakowski, L.
Powiązania:
https://bibliotekanauki.pl/articles/101127.pdf
Data publikacji:
2017
Wydawca:
Polska Akademia Nauk. Stowarzyszenie Infrastruktura i Ekologia Terenów Wiejskich PAN
Tematy:
soil regeneration
mulching
microarthropods
bioindication
Oribatida
Opis:
The aim of this study was to compare colonization of pine chips without supplements and pine chips supplemented with forest litter, peat and lignite by mites (Acari), and particularly oribatid mites (Oribatida) in a two-year cycle. The study was conducted in the years 2013-2014, on microplots established in a belt of trees in a nursery in Białe Błota within Bydgoszcz Forest District. The experiment was established on four microplots (1 x 1 m). It included the following variants: C - pine chips alone, Lf – pine chips inoculated with fresh forest litter, Lf+Pe – pine chips enriched with deacidified high peat (20%) (pH 5.5-6.5) and inoculated with the litter, Lf+Li - pine chips enriched with granulated lignite (20%) inoculated with the litter. In the first year of the study, mite abundance in the chips inoculated with forest litter was significantly higher than that on microplot C. In the second year of the experiment, the abundance of these microarthropods decreased probably due to unfavorable weather conditions. The most common group of mites were usually oribatid mites that accounted for 19.7 to 80.4% of all mites. An analysis of seasonal dynamics of Oribatida abundance over the entire study cycle revealed a clear increase in their numbers in non-supplemented pine chips only on the last sampling date. Oribatida abundance in Lf variant was similar at the beginning and end of the study. Contrary to that, their number decreased in the chips supplemented with peat, and particularly those enriched with lignite. In total, 36 species of oribatid mites were identified on all microplots. The greatest boost in species diversity after the introduction of forest litter was observed in Lf chips and the smallest in Lf + Li variant. Oribatula tibialis was the most common oribatid mite in the investigated substrates. Low numbers of Oppiella nova and Tectocepheus velatus, the species having trophic associations with fungi, may indicate poor colonization of the chips, particularly those enriched with lignite, by saprotrophic organisms.
Źródło:
Infrastruktura i Ekologia Terenów Wiejskich; 2017, IV/2; 1577-1590
1732-5587
Pojawia się w:
Infrastruktura i Ekologia Terenów Wiejskich
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Mite (Acari) occurrence in selected substrates used for a restoration of degraded soils
Autorzy:
Klimek, A.
Chachaj, B.
Gackowski, G.
Dąbrowski, J.
Powiązania:
https://bibliotekanauki.pl/articles/101510.pdf
Data publikacji:
2018
Wydawca:
Polska Akademia Nauk. Stowarzyszenie Infrastruktura i Ekologia Terenów Wiejskich PAN
Tematy:
forest litter
orchard litter
wood chips
reintroduction
soil regeneration
oribatid mites
Opis:
The number and groups of mites (Acari) and species composition of oribatid mites (Oribatida) were analysed in three different substrates used for the restoration of degraded soils: (1) pine forest litter, (2) apple orchard litter, and (3) pine chips. The study was conducted in the years 2011-2012, on microplots of the area of 1m2 , established in a belt of trees of a nursery in Białe Błota (Bydgoszcz Forest District). Average biannual mite density per 50 cm3 of the investigated substrates ranged from 14.6 to 54.43 individuals. The highest numbers of mites were found in shredded forest litter and the lowest in pine chips. The most abundant mites in the studied material were oribatid mites, accounting for 57.3 % of these arthropods. The highest number of oribatid mites was found in the forest litter (28), and the lowest (20) in pine chips. The number of species in both types of litter was similar in the first and second year of the study, but it rose three times in the pine chips substrate over the study period. Oribatid species in the litter substrates were dominated by the eurytopic Tectocepheus velatus, and the most abundant species in the pine chips substrate was Oribatula tibialis. The experiment indicated a possibility of practical use of the shredded litter in the reintroduction of soil mesofauna and soil regeneration. This may facilitate the soil inoculation process, e.g., by using seeders specially adapted for this purpose. Additionally, a quick colonization of wood chips by acarofauna may suggest the possibility of using them as an excellent substrate for soil regeneration.
Źródło:
Infrastruktura i Ekologia Terenów Wiejskich; 2018, II/1; 277-291
1732-5587
Pojawia się w:
Infrastruktura i Ekologia Terenów Wiejskich
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Occurrence of mites (Acari) in the soil of a blackcurrant plantation after applications of organic mulches and mycorrhizal inoculum
Autorzy:
Klimek, A.
Chachaj, B.
Gackowski, G.
Sas-Paszt, L.
Treder, W.
Malusa, E.
Przybył, M.
Frąc, M.
Powiązania:
https://bibliotekanauki.pl/articles/101279.pdf
Data publikacji:
2016
Wydawca:
Polska Akademia Nauk. Stowarzyszenie Infrastruktura i Ekologia Terenów Wiejskich PAN
Tematy:
organic mulches
mycorrhizal inoculum
bioindication
soil acarofauna
oribatid mites
Opis:
The study was conducted in the Pomological Orchard of the Research Institute of Horticulture in Skierniewice on a plantation of blackcurrant cultivar ‘Tiben’. The following variants of the experiment were applied: control – NPK fertilization only, mulching with a peat substrate, shredded pine bark, sawdust of coniferous trees, bovine manure, plant compost, straw of cereals, and application of mycorrhizal inoculant MYKOFLOR. Mulching was performed each year in the spring in an amount of 25 dm3 per plot, and the inoculum was applied in an amount of 10 ml per shrub. Samples for acarological examinations were collected at 4 times, in the spring and autumn of successive seasons in 2012-2013. An increase in the overall density of mites, in comparison with the control surface, was observed after mulching the soil with sawdust of coniferous trees and plant compost. On all the plots, the communities of mites were dominated by mites of the order oribatid mites. For these mites, a statistically significant increase density was recorded after mulching the soil with sawdust of coniferous trees, bovine manure and plant compost. Mulching did not increase significantly the species diversity of oribatid mites. The soil of the blackcurrant plantation was found to be inhabited by relatively large numbers of two common oribatid mites species: Punctoribates punctum and Tectocepheus velatus. An increase in the population density of Punctoribates punctum was observed after mulching with peat, sawdust and compost.
Źródło:
Infrastruktura i Ekologia Terenów Wiejskich; 2016, IV/2; 1287-1296
1732-5587
Pojawia się w:
Infrastruktura i Ekologia Terenów Wiejskich
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Occurrence of oribatid mites (Acari: Oribatida) on the sites of a new species Hierochloë repens (Host) P.B. in Bydgoszcz area
Autorzy:
Klimek, A.
Gęsiński, K.
Gackowski, G.
Kobierski, M.
Powiązania:
https://bibliotekanauki.pl/articles/101145.pdf
Data publikacji:
2017
Wydawca:
Polska Akademia Nauk. Stowarzyszenie Infrastruktura i Ekologia Terenów Wiejskich PAN
Tematy:
invasive species
Hierochloë repens
oribatid mites
biodiversity
bioindication
Opis:
The study was conducted within the Bydgoszcz limits and in the vicinity of city Bydgoszcz at seven different habitats of Hierochloë repens presence: city district Fordon - (1), (2), (3) and (4); city district Kapuściska - (5), and Białe Błota near Bydgoszcz - (6) and (7). Samples for acarological analyses were collected from the plots covered with Hierochloë repens in spring (27 May) and autumn (28 October) 2014. The density of oribatid mites on the sites with Hierochloë repens was highly variable. High density of these microarthropods was characteristic of plots (2) with Convolvulo-Brometum inermis, (5) with Arrhenatheretum elatioris and (7) covered with grassy herbaceous plants growing on fertile soils. Particularly low density of oribatid mites was observed for plot (3) with Koelerio-Corynephoretea and Festuco-Brometea communities and the lowest content of carbon and nitrogen in the soil. Depending on the site and sample collection time, four to 22 species of oribatid mites were identified. Statistical analysis (Mann-Whitney U test) of mean number of species per sample s identified two groups of plots for both sample collection terms characterized by either low (1.00-3.10) or high values (3.30-7.40) of this parameter. The first group included plots (1), (3) and (6), and the second (2), (4), (5) and (7). The following species of oribatid mites dominated on the plots covered with Hierochloë repens: Tectocepheus velatus - (1), (2) and (6); Scheloribates laevigatus - (3), Oppiella nova - (4), Eupelops occultus - (5), Liebstadia similis - (7).
Źródło:
Infrastruktura i Ekologia Terenów Wiejskich; 2017, IV/2; 1713-1724
1732-5587
Pojawia się w:
Infrastruktura i Ekologia Terenów Wiejskich
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Ocena cytotoksyczności in vitro nanokompozytu PCL/HAp jako rusztowania dla inżynierii tkankowej
In vitro cytotoxicity assessment of PCL/HAp nanocomposite scaffold for bone tissue engineering
Autorzy:
Klimek, K.
Świętek, M.
Błażewicz, M.
Ginalska, G.
Powiązania:
https://bibliotekanauki.pl/articles/284886.pdf
Data publikacji:
2014
Wydawca:
Akademia Górniczo-Hutnicza im. Stanisława Staszica w Krakowie. Polskie Towarzystwo Biominerałów
Tematy:
cytotoksyczność
nanokompozyty
inżynieria tkankowa
cytotoxicity
nanocomposite
tissue engineering
Źródło:
Engineering of Biomaterials; 2014, 17, no. 128-129; 50-53
1429-7248
Pojawia się w:
Engineering of Biomaterials
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Opłacalność produkcji wiśni w Polsce w latach 2000-2010
Profitability of sour cherry production in Poland in the years 2000-2010
Autorzy:
Brzozowski, P.
Klimek, G.
Powiązania:
https://bibliotekanauki.pl/articles/832222.pdf
Data publikacji:
2010
Wydawca:
Instytut Ogrodnictwa
Tematy:
koszty produkcji
oplacalnosc produkcji
owoce
plony
Polska
produkcja owocow
struktura kosztow
wisnie
wskaznik oplacalnosci
Opis:
As a result of low prices for sour cherries and low profitability of sour cherry production in Poland, the total area occupied by sour cherry orchards had decreased from about 40 thousand ha in 2000 to 32 thousand ha in 2010. The objective of this research was to evaluate the production co sts and profitability of sour cherry production and to identify the factors influencing profitability. The research was carried out on eight commercial fruit farms involved in sour cherry production, all located in the central part of Poland. To quantify the strength of the relationship between the profitability index and some other independent variables, a regression analysis was used. The price paid to the farmer and the profitability index turned out to be closely correlated, but the relationship between fruit yield and profitability was statistically insignificant.
Źródło:
Zeszyty Naukowe Instytutu Sadownictwa i Kwiaciarstwa w Skierniewicach; 2010, 18
1234-0855
Pojawia się w:
Zeszyty Naukowe Instytutu Sadownictwa i Kwiaciarstwa w Skierniewicach
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Porównanie zawartości i wydajności oleju w zależności od sposobu nawożenia oraz klasy wczesności i typu ziarna mieszańców kukurydzy
Comparing content and yielding of oil in relation to fertilization method, class of early sowing, and grain type in corn hybrides
Autorzy:
Pinczuk, G.
Klimek-Kopyra, A.
Pustkowiak, H.
Zajac, T.
Powiązania:
https://bibliotekanauki.pl/articles/827348.pdf
Data publikacji:
2011
Wydawca:
Polskie Towarzystwo Technologów Żywności
Opis:
Doświadczenie przeprowadzono w latach 2008 i 2009 w Stacji Doświadczalnej PWSZ w Sanoku, zlokalizowanej w Nowosielcach. Materiałem badawczym było ziarno 4 mieszańców kukurydzy różniących się wczesnością (sw – średnio wczesne i sp – średnio późne) oraz typem ziarna (flint: ‘Ravello’, ‘Arobase’ i dent: ‘Oldham’, ‘Nekta’). Porównywanymi czynnikami agrotechnicznymi był sposób nawożenia mineralnego, klasa wczesności mieszańców – średniowczesne i średniopóźne, a także typ ziarna ‘flint’ i dent’. W próbach dużych (n>100) zebranego ziarna, oszacowano masę ziarna i zarodka. W zarodkach kukurydzy oznaczono zawartość t łuszczu i profil kwasów tłuszczowych oleju kukurydzianego. Stwierdzono, że zwiększenie masy ziarniaka badanych odmian, bez względu na typ, było wysoce istotnie i dodatnio skorelowane z masą zarodka. Wzrost masy ziarniaka i masy zarodka determinował zwiększenie plonu oleju z jednostki powierzchni. Stwierdzono, że olej z zarodków kukurydzy charakteryzował się wysokim udziałem kwasu linolowego w profilu kwasów tłuszczowych.
The experiment was conducted at an Experimental Station in Sanok, owned by PWSZ, during a period from 2008 to 2009. The research material were four corn hybrids; they differed in early sowing terms (medium early sowing and medium late sowing) and in the type of grain variety (flint variety of ‘Ravello’and ‘Arobase’, and dent variety of ‘Oldham’ and ‘Nekta’). Compared were the following agricultural engineering factors: mineral fertilization method, early sowing class of hybrids: medium-early and medium-late sowing, and, also, the type of ‘flint’ and ‘dent’ grain variety. In the samples of large grains (n>100) gathered, the weight of grain and of germ were assessed. The content of fat and fatty acid profile of corn oil were determined in the germs. It was found that, regardless of the grain type, the increase in the grain weight of the varieties analysed was highly significant and correlated with the weight of germ. The increase in the grain weight and in the germ weight decided on the increase in the oil yield per one unit area. It was found that the oil from corn germs was characterized by a high content of linoleic acid in the fatty acid profile.
Źródło:
Żywność Nauka Technologia Jakość; 2011, 18, 5
1425-6959
Pojawia się w:
Żywność Nauka Technologia Jakość
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Risk factors for obesity development in school children from South-Eastern Poland
Autorzy:
Mazur, A
Klimek, K.
Telega, G.
Hejda, G.
Wdowiak, L.
Malecka-Tendera, E.
Powiązania:
https://bibliotekanauki.pl/articles/50530.pdf
Data publikacji:
2008
Wydawca:
Instytut Medycyny Wsi
Tematy:
girl
risk factor
obesity
school child
human disease
boy
biological risk factor
child
Źródło:
Annals of Agricultural and Environmental Medicine; 2008, 15, 2
1232-1966
Pojawia się w:
Annals of Agricultural and Environmental Medicine
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Ten-year secular trend of overweight and obesity in school children in south-eastern Poland
Autorzy:
Mazur, A.
Klimek, K.
Telega, G.
Filip, R.
Malecka-Tendera, E.
Powiązania:
https://bibliotekanauki.pl/articles/50607.pdf
Data publikacji:
2014
Wydawca:
Instytut Medycyny Wsi
Źródło:
Annals of Agricultural and Environmental Medicine; 2014, 21, 3
1232-1966
Pojawia się w:
Annals of Agricultural and Environmental Medicine
Dostawca treści:
Biblioteka Nauki
Artykuł
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