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    Wyświetlanie 1-14 z 14
    Tytuł:
    Influence of silver nanoparticles on food components in wheat
    Autorzy:
    Nawrocka, A.
    Ciesla, J.
    Powiązania:
    https://bibliotekanauki.pl/articles/24363.pdf
    Data publikacji:
    2013
    Wydawca:
    Polska Akademia Nauk. Instytut Agrofizyki PAN
    Opis:
    During storage, grain might be affected by bacterial and fungal infections. Pathogens diminish the grain quality through contamination with excrements and second metabolites. It is very important to prevent grain from infections. Due to their antimicrobial properties, silver nanoparticles can play the role of an effective protector. The influence of nanoparticles on wheat quality was studied. The gluten parameters and falling number did not change after covering the grain with silver nanoparticles stabilized by sodium citrate. Changes in the structure of starch and gluten were investigated using Fourier-transform infrared spectroscopy. Infrared spectra of the whole meal and starch have shown a slight shift (from 1 000 to 995cm-1) of the band connected with the C–O–H bending. This displacement is probably related to the changes in sample moisture. Significant differences, corresponding to changes in the protein secondary structure, have appeared in the gluten spectra after covering.Adecrease of absorbance in the amide and CH and OHregions has been observed regardless of the covering time.
    Źródło:
    International Agrophysics; 2013, 27, 1
    0236-8722
    Pojawia się w:
    International Agrophysics
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Comparison of the exterior parameters and breed structure of ancestors of the Polish Noble Half-bred and the Czech Warm-blood stallions
    Porownanie parametrow pokrojowych oraz struktury rasowej przodkow ogierow rasy polski kon szlachetny polkrwi oraz czeski kon goracokrwisty
    Autorzy:
    Ignor, J
    Ciesla, A.
    Powiązania:
    https://bibliotekanauki.pl/articles/44626.pdf
    Data publikacji:
    2009
    Wydawca:
    Zachodniopomorski Uniwersytet Technologiczny w Szczecinie. Wydawnictwo Uczelniane ZUT w Szczecinie
    Tematy:
    horse
    exterior parameter
    comparison
    breed structure
    Polish Noble Half-bred horse
    Czech Warm-blood horse
    ancestor
    stallion
    Źródło:
    Acta Scientiarum Polonorum. Zootechnica; 2009, 08, 3; 11-17
    1644-0714
    Pojawia się w:
    Acta Scientiarum Polonorum. Zootechnica
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    The effect of animal-assisted activities (AAA) involving a dog on pre-school children in the light of their parents’ opinions
    Wpływ zajęć z udziałem psa (AAA) na dzieci w wieku przedszkolnym w świetle opinii ich rodziców
    Autorzy:
    Ciesla, A.
    Mazan, J.
    Powiązania:
    https://bibliotekanauki.pl/articles/45125.pdf
    Data publikacji:
    2015
    Wydawca:
    Zachodniopomorski Uniwersytet Technologiczny w Szczecinie. Wydawnictwo Uczelniane ZUT w Szczecinie
    Tematy:
    rehabilitation
    animal activity
    activity effect
    dog
    pre-school child
    child
    parent opinion
    intellectual development
    physical development
    Źródło:
    Acta Scientiarum Polonorum. Zootechnica; 2015, 14, 4
    1644-0714
    Pojawia się w:
    Acta Scientiarum Polonorum. Zootechnica
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Selecting Parameters for Bending of Tubes Made of the X70 Steel by Numerical Modelling
    Autorzy:
    Junak, G.
    Cieśla, M.
    Tomczak, J.
    Powiązania:
    https://bibliotekanauki.pl/articles/356269.pdf
    Data publikacji:
    2017
    Wydawca:
    Polska Akademia Nauk. Czytelnia Czasopism PAN
    Tematy:
    tube bending
    numerical modelling
    X70 steel
    gas distribution pipelines
    Opis:
    This paper addresses numerical analyses of the bending process for tubes made of the X70 steel used in gas distribution pipe-lines. The calculations performed under the research involved simulation of processes of tube bending with local induction heating. The purpose of these calculations was to establish process parameters making it possible to develop pipe bends of geometric features conforming with requirements of the applicable standards. While performing the calculations, an analysis was conducted to determine the probability of occurrence of folding and fractures according to the Cockcroft-Latham criterion.
    Źródło:
    Archives of Metallurgy and Materials; 2017, 62, 4; 2339-2342
    1733-3490
    Pojawia się w:
    Archives of Metallurgy and Materials
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Analysis of the results of national Three-Day Event competition in 2004-2008
    Analiza wyników zawodów krajowych we wszechstronnym konkursie konia wierzchowego w latach 2004-2008
    Autorzy:
    Ignor, J.
    Ciesla, A.
    Gorzelak, I.
    Powiązania:
    https://bibliotekanauki.pl/articles/44732.pdf
    Data publikacji:
    2011
    Wydawca:
    Zachodniopomorski Uniwersytet Technologiczny w Szczecinie. Wydawnictwo Uczelniane ZUT w Szczecinie
    Tematy:
    result analysis
    three-day event
    horse
    start
    competition
    2004-2008 period
    national event
    Opis:
    Analysis included 232 horses starting in the eventing competition of the highest class C in Poland in 2004–2008. In total, 711 starts were analysed allowing for horse breed, ancestor breed (sire and dam), and horse sex and age. The Polish noble half-bred horses had the largest frequency, achieving the best results in all tests, i.e. dressage, cross-country and show jumping. Aspecialisation trend in the eventing, particularly in cross-country test, was observed in case of half-bred Anglo-Arabian horses. The worst results obtained theWielkopolski horses and those with the Wielkopolski horse ancestry. The best results were achieved by the offspring of Anglo- -Arabian and the Małopolski stallions and noble half-bred mares.
    Analizą objęto 232 konie startujące w konkurencji wszechstronnego konkursu konia wierzchowego najwyższej klasy „C” w latach 2004–2008. Przeanalizowano 711 startów, uwzględniając rasę konia, rasę przodków (ojciec, matka), płeć oraz wiek konia. Największą frekwencję miały konie rasy polski koń szlachetny półkrwi, osiągając najlepsze wyniki we wszystkich próbach – ujeżdżeniu, krosie i skokach. Tendencję w specjalizacji w wkkw, zwłaszcza do próby terenowej, zauważono w przypadku koni rasy półkrwi angloarabskiej. Najgorsze rezultaty miały konie rasy wielkopolskiej i po przodkach wielkopolskich. Najlepsze wyniki osiągnęło potomstwo ogierów angloarabskich i małopolskich oraz matek szlachetnych półkrwi.
    Źródło:
    Acta Scientiarum Polonorum. Zootechnica; 2011, 10, 1
    1644-0714
    Pojawia się w:
    Acta Scientiarum Polonorum. Zootechnica
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Preliminary studies of the influence of starch irradiation on physicochemical properties of films prepared using starch and starch-surfactant systems
    Autorzy:
    Cieśla, K. A.
    Nowicki, A.
    Buczkowski, M. J.
    Powiązania:
    https://bibliotekanauki.pl/articles/148406.pdf
    Data publikacji:
    2010
    Wydawca:
    Instytut Chemii i Techniki Jądrowej
    Tematy:
    starch films
    starch-surfactants films
    gamma irradiation
    mechanical properties
    barrier properties
    hydrophobic
    Opis:
    The influence was studied of potato and wheat starch irradiation on physicochemical properties of films, prepared using either starch alone or a composition of potato starch with three surfactants: sodium laurate, sodium palmitate and cetyl-trimethyl-ammonium bromide (CTAB). The surfactants were introduced at a level of 0.038 division sign 0.075 g per 1 g of starch. This corresponds to 0.136–0.222 mmol/g, depending on the surfactant type and its amount used. Irradiations were carried out using 60Co radiation with doses of 5, 10, 20 and 30 kGy. Films were prepared with addition of glycerol (0, 20 or 30% in terms of starch mass) by means of casting from the gelatinized starch or starch-surfactant solutions. With the purpose to characterize the films, mechanical tests (using an Instron instrument) and the wetting angle measurements were performed. The effect was determined of the storage and conditioning in an atmosphere characterized by the various moisture content on the properties of films with various compositions. The results show the radiation-induced improvement of hydrophobic properties of the films prepared using potato and wheat starch, and the selected potato starch-surfactant compositions. Improvement of strength and flexibility was obtained in the case of potato starch films, while in the case of wheat starch films the increase of strength was accompanied by a decrease in flexibility. Improvement of the functional properties of potato starch films corresponds to the improvement of their structural properties, found by scanning electron microscopy (SEM). The possibilities of modification of the films properties by modification of composition and radiation treatment were discussed.
    Źródło:
    Nukleonika; 2010, 55, 2; 233-242
    0029-5922
    1508-5791
    Pojawia się w:
    Nukleonika
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Durability of X10CrMoVNb9-1 Steel Tubes Under Low-Cycle Fatigue and Creep Conditions after Bending with Local Induction Heating
    Trwałość w warunkach zmęczenia niskocyklowego i pełzania materiału rury ze stali X10CrMoVNb9-1 po procesie gięcia z lokalnym nagrzewem indukcyjnym
    Autorzy:
    Cieśla, M.
    Junak, G.
    Tomczak, J.
    Findziński, R.
    Kawała, T.
    Powiązania:
    https://bibliotekanauki.pl/articles/355163.pdf
    Data publikacji:
    2015
    Wydawca:
    Polska Akademia Nauk. Czytelnia Czasopism PAN
    Tematy:
    tube bending
    numerical modelling
    mechanical properties
    creep
    low-cycle fatigue
    modelowanie numeryczne
    właściwości mechaniczne
    gięcie rur
    pełzanie
    zmęczenie niskocyklowe
    Opis:
    The paper contains the results of theoretical and experimental research on the tube bending process used in the manufacturing of X10CrMoVNb9-1 steel tubes with dimensions 530 × 90 mm. An innovative technology in which the tube bending is coupled with local induction heating and the results of finite-element numerical modelling of tube bending using Simufact Forming 11.0 software are presented. A change of the geometry in the cross-section of the bend area was subjected to analysis, including the ovalization of the cross-section and the wall thickness in the regions subject to tension and compression. The geometrical features of the bend determined on the basis of numerical calculations were compared with the measurement results obtained in industrial conditions. Basic mechanical properties of the tube in the as-delivered condition and of the fabricated tube bend were determined using tensile, hardness, impact, low-cycle fatigue and creep tests. It was proved that the tube bend made of the X10CrMoVNb9-1 steel, obtained by the proposed technology, meets the requirements of the applicable standards.
    W artykule zawarto wyniki analizy teoretycznej i doświadczalnej procesu gięcia rur ze stali X10CrMoVNb9-1 o wymiarach 530 × 90 mm. Przedstawiono innowacyjną technologię procesu gięcia rur z lokalnym nagrzewaniem indukcyjnym oraz wyniki modelowania numerycznego kształtowania łuku rurowego metodą elementów skończonych z użyciem programu Symufact Forming 11.0. Analizowano zmianę geometrii na przekroju poprzecznym łuku w tym; owalizację przekroju, grubość ścianek w strefie rozciąganej i ściskanej. Cechy geometryczne łuku określone na podstawie obliczeń numerycznych porównano z wynikami pomiarów w warunkach przemysłowych. Określono podstawowe właściwości mechaniczne rury w stanie dostawy i wykonanego łuku na podstawie przeprowadzonych prób; rozciągania, twardości, udarności, zmęczenia niskocyklowego i pełzania. Wykazano, że wykonany łuk rurowy ze stali X10CrMoVNb9-1 gięty zaproponowaną technologią spełnia wymagania odpowiednich norm.
    Źródło:
    Archives of Metallurgy and Materials; 2015, 60, 3A; 1839-1845
    1733-3490
    Pojawia się w:
    Archives of Metallurgy and Materials
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Comparison of radon hazard to inhabitants of the Augustów Plane sandr and inhabitants of the Suwałki region of fluvioglacial sands and gravels
    Autorzy:
    Karpińska, M.
    Wołkowicz, S.
    Mamont-Cieśla, K.
    Mnich, Z.
    Kapała, J.
    Powiązania:
    https://bibliotekanauki.pl/articles/148346.pdf
    Data publikacji:
    2003
    Wydawca:
    Instytut Chemii i Techniki Jądrowej
    Tematy:
    building
    geology
    radon
    Opis:
    In a region of two lithologic units: the Augustów Plane sandr and the Suwałki sands and fluvioglacial gravels, 134 measurements of radon concentrations in dwelling houses were performed. An integral method of solid state nuclear trace detectors (SSNTD) was used in the studies. Statistically significant differences in the radon concentrations in both geological units were obtained. The radon concentration arithmetic mean was 197 Bq m-3, geometric mean - 119 Bq m-3, median - 111 Bq m-3, the maximal value being 1225 Bq m-3 in the region of the Suwałki fluvioglacial sands and gravels. The Augustów Plane sandr revealed arithmetic mean of radon concentration equal to 123 Bq m-3, geometric mean – 80 Bq m-3, and median equal to 67 Bq m-3, maximal value 695 Bq m-3. The annual effective dose of the radon obtained by inhabitants of the Augustów Plane sandr is 1.7 mSv and for inhabitants of the Suwałki fluvioglacial sands and gravels it is 2.5 mSv.
    Źródło:
    Nukleonika; 2003, 48, 4; 197-200
    0029-5922
    1508-5791
    Pojawia się w:
    Nukleonika
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Polish national intercomparisons of measurement methods of 222Rn concentration in waters
    Krajowe pomiary interkalibracyjne stężenia 222 Rn w próbkach wód
    Autorzy:
    Przylibski, T.
    Mamont-Cieśla, K.
    Stawarz, O.
    Kłos, B.
    Dorda, J.
    Powiązania:
    https://bibliotekanauki.pl/articles/340341.pdf
    Data publikacji:
    2004
    Wydawca:
    Główny Instytut Górnictwa
    Tematy:
    intercomparison measurement
    radon contamination
    radiological protection in Poland
    Radon Centre
    Źródło:
    Prace Naukowe GIG. Górnictwo i Środowisko / Główny Instytut Górnictwa; 2004, 1; 71-73
    1643-7608
    Pojawia się w:
    Prace Naukowe GIG. Górnictwo i Środowisko / Główny Instytut Górnictwa
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Health-Related Physical Fitness, BMI, physical activity and time spent at a computer screen in 6 and 7-year-old children from rural areas in Poland
    Autorzy:
    Ciesla, E.
    Mleczko, E.
    Bergier, J.
    Markowska, M.
    Nowak-Starz, G.
    Powiązania:
    https://bibliotekanauki.pl/articles/50158.pdf
    Data publikacji:
    2014
    Wydawca:
    Instytut Medycyny Wsi
    Opis:
    The objective of the study was determination of the effect of various forms of physical activity, BMI, and time devoted to computer games on the level of Health-Related Physical Fitness (H-RF) in 6–7-year-old children from Polish rural areas. The study covered 25,816 children aged 6–7: 12,693 girls and 13,123 boys. The evaluations included body height and weight, and 4 H-RF fitness components (trunk strength, explosive leg power, arm strength and flexibility). The BMI was calculated for each child. The Questionnaire directed to parents was designed to collect information concerning the time devoted by children to computer games, spontaneous and additional physical activity. The strength of the relationships between dependent and independent variables was determined using the Spearman’s rank correlation (RSp), and the relationship by using the regression analysis. The BMI negatively affected the level of all the H-RF components analysed (p=0.000). The negative effect of computer games revealed itself only with respect to flexibility (p=0.000), explosive leg power (p=0.000) and trunk muscle strength (p=0.000). A positive effect of spontaneous activity was observed for flexibility (p=0.047), explosive leg power (p=0.000), and arm strength (p=0.000). Additional activity showed a positive relationship with trunk muscles strength (p=0.000), and explosive leg power (p=0.000). The results of studies suggest that it is necessary to pay attention to the prevention of diseases related with the risk of obesity and overweight among Polish rural children as early as at pre-school age. There is also a need during education for shaping in these children the awareness of concern about own body, and the need for active participation in various forms of physical activity.
    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
    Tytuł:
    Conformation analysis of horses used in equine-assisted activities at Polish hippotherapeutic centers
    Analiza pokroju koni użytkowanych w hipoterapii w polskich ośrodkach hipoterapeutycznych
    Autorzy:
    Lojek, J.
    Pluta, M.
    Ciesla, A.
    Domachowska, A.
    Przybylowicz, N.
    Lojek, A.
    Powiązania:
    https://bibliotekanauki.pl/articles/44976.pdf
    Data publikacji:
    2015
    Wydawca:
    Zachodniopomorski Uniwersytet Technologiczny w Szczecinie. Wydawnictwo Uczelniane ZUT w Szczecinie
    Źródło:
    Acta Scientiarum Polonorum. Zootechnica; 2015, 14, 2
    1644-0714
    Pojawia się w:
    Acta Scientiarum Polonorum. Zootechnica
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    The influence of ionizing radiation on the properties of starch-PVA films
    Autorzy:
    Abramowska, A.
    Cieśla, K. A.
    Buczkowski, M. J.
    Nowicki, A.
    Głuszewski, W.
    Powiązania:
    https://bibliotekanauki.pl/articles/147450.pdf
    Data publikacji:
    2015
    Wydawca:
    Instytut Chemii i Techniki Jądrowej
    Tematy:
    starch
    poly(vinyl alcohol)
    films
    ionizing radiation
    mechanical properties
    physicochemical properties
    Opis:
    The cornstarch: poly(vinyl alcohol) (PVA) films characterized by the alternating ratio of starch:PVA (100:0, 80:20, 60:40, 40:60, 20:80, and 0:100) and containing 30% of glycerol were prepared by solution casting. The films were irradiated with an absorbed dose of 25 kGy with gamma rays in a vacuum and with fast electrons in the air. The films characterized by a high content of starch appeared stiff, while the films characterized by a high content of PVA were highly flexible. The tensile strength and flexibility, as well as swelling and hydrophilicity, increased with the increase in the PVA content in the films. However, the tensile strength and wetting angle values achieved a minimum at an intermediate composition. It was found that irradiation enables to reduce hydrophilicity of the films accompanied by a decrease in their flexibility. No general conclusion concerning the effect of irradiation on tensile strength and swelling behavior can be derived. An increase in the homogeneity of the films and an increase in the compatibility of their components was found by scanning electron microscopy (SEM). Strong interactions of the starch and the PVA components were discovered by diffuse reflectance spectroscopy. Degradation was found to be the prevailing process occurring in the films under the infl uence of irradiation. The possible accompanying crosslinking is discussed in terms of the gel content in the samples. Creation of various oxidation products in the films characterized by the modified composition was observed under the influence of irradiation carried out in the air. Basing on the obtained results it can be supposed that the selected starch-PVA compositions might appear useful as packagings of the products predicted for radiation decontamination.
    Źródło:
    Nukleonika; 2015, 60, No. 3, part 2; 669-677
    0029-5922
    1508-5791
    Pojawia się w:
    Nukleonika
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Serum selenium concentration and glutathione peroxidase activity and selenium content in testes of Polish Konik horses from selenium-deficient area in North-Western Poland
    Autorzy:
    Pilarczyk, B.
    Tomza-Marciniak, A.
    Stankiewicz, T.
    Blaszczyk, B.
    Gaczarzewicz, D.
    Smugala, M.
    Udala, J.
    Tylkowska, A.
    Kuba, J.
    Ciesla, A.
    Powiązania:
    https://bibliotekanauki.pl/articles/31875.pdf
    Data publikacji:
    2014
    Wydawca:
    Polska Akademia Nauk. Czytelnia Czasopism PAN
    Opis:
    The aim of this study was to determine serum selenium concentrations in Polish Konik horses residing in the Odra Delta Nature Park (Poland) and to evaluate the activity of glutathione peroxidase and Se content in testes of this horse breed. In over 95% of cases, serum Se concentration was below the optimal range, and none of the horses examined was deficient in this trace element. The lack of Se deficiency in the animals examined suggests however, that the Polish Konik horses have a natural ability to the optimal use of nutrients available in their life area. Testicular content of Se and GSHPx activity in the colts was higher than those found in stallions, and a positive relationship between these antioxidants was demonstrated. The differences in Se contents and GSHPx activities in testes between colts and stallions suggest that selenoenzymes play important roles during the puberty of male horses.
    Źródło:
    Polish Journal of Veterinary Sciences; 2014, 17, 1
    1505-1773
    Pojawia się w:
    Polish Journal of Veterinary Sciences
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Intercomparison of radon CR-39 detector systems conducted in CLORs calibration chamber
    Autorzy:
    Mamont-Cieśla, K.
    Stawarz, O.
    Karpińska, M.
    Kapała, J.
    Kozak, K.
    Grządziel, D.
    Chałupnik, S.
    Chmielewska, I.
    Olszewski, J.
    Przylibski, T. A.
    Żebrowski, A.
    Powiązania:
    https://bibliotekanauki.pl/articles/148842.pdf
    Data publikacji:
    2010
    Wydawca:
    Instytut Chemii i Techniki Jądrowej
    Tematy:
    radon-222
    CR-39 track detector
    intercomparison
    RadoSys
    Opis:
    Six radon laboratories, which perform indoor radon measurements to jointly investigate temporal variations of radon concentration in houses in a couple of regions in Poland, participated in the intercomparison exercise. There are involved three commercially available Hungarian RadoSys systems and four own laboratory methods. All of them are based on the etched-track CR-39 detectors. The intercomparison was conducted in a calibration laboratory of the Central Laboratory for Radiological Protection (CLOR), Warsaw, Poland, accredited by the Polish Center for Accreditation (previously AP 101, at present AP 057). Comparison measurements were performed during three expositions in the CLOR’s radon calibration chamber under controlled normal climatic conditions and steady radon concentration. The results were referred to the value of the radon concentration determined by AlphaGUARD monitor traceable to the primary 222Rn standard in Physikalisch-Technische Bundesanstalt (PTB), Braunchweig, Germany. The mean performance ratio defined as a ratio of the reference to participant’s result range from 0.88 to 1.31.
    Źródło:
    Nukleonika; 2010, 55, 4; 589-593
    0029-5922
    1508-5791
    Pojawia się w:
    Nukleonika
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
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