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Wyświetlanie 1-13 z 13
Tytuł:
Changes in the physical properties of kiwiberry fruits (Actinidia arguta) during storage
Zmiany właściwości fizycznych owoców minikiwi (Actinidia arguta) podczas przechowywania
Autorzy:
Bogusz, R.
Gondek, E.
Powiązania:
https://bibliotekanauki.pl/articles/13925583.pdf
Data publikacji:
2020
Wydawca:
Szkoła Główna Gospodarstwa Wiejskiego w Warszawie. Wydawnictwo Szkoły Głównej Gospodarstwa Wiejskiego w Warszawie
Tematy:
texture
storage
mechanical property
Actinidia arguta
colour
tekstura
przechowywanie
wlasciwosci mechaniczne
barwa
Źródło:
Zeszyty Problemowe Postępów Nauk Rolniczych; 2020, 603; 3-15
0084-5477
Pojawia się w:
Zeszyty Problemowe Postępów Nauk Rolniczych
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Consumer attitudes to food products made from edible insects
Badanie postaw konsumentów wobec produktów spożywczych wytworzonych z owadów jadalnych
Autorzy:
Bogusz, R.
Polak, R.
Nowacka, M.
Powiązania:
https://bibliotekanauki.pl/articles/13925581.pdf
Data publikacji:
2020
Wydawca:
Szkoła Główna Gospodarstwa Wiejskiego w Warszawie. Wydawnictwo Szkoły Głównej Gospodarstwa Wiejskiego w Warszawie
Tematy:
edible insect
entomophagy
novel food
consumer acceptance
questionnaire survey research
owady jadalne
entomofagia
nowa zywnosc
akceptacja konsumencka
ankieta konsumencka
Źródło:
Zeszyty Problemowe Postępów Nauk Rolniczych; 2020, 603; 17-27
0084-5477
Pojawia się w:
Zeszyty Problemowe Postępów Nauk Rolniczych
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Changes of bioactive compounds content of kiwiberry during storage
Zmiany właściwości biochemicznych minikiwi podczas przechowywania
Autorzy:
Bogusz, R.
Rybak, K.
Gondek, E.
Powiązania:
https://bibliotekanauki.pl/articles/13925555.pdf
Data publikacji:
2019
Wydawca:
Szkoła Główna Gospodarstwa Wiejskiego w Warszawie. Wydawnictwo Szkoły Głównej Gospodarstwa Wiejskiego w Warszawie
Tematy:
hardy kiwifruit
Actinidia arguta
storage
temperature
biochemical property
bioactive compound
flavonoids
antioxidant capacity
phenolics content
carotenoid
Źródło:
Zeszyty Problemowe Postępów Nauk Rolniczych; 2019, 598; 3-13
0084-5477
Pojawia się w:
Zeszyty Problemowe Postępów Nauk Rolniczych
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Application of the Energetic Complex [Cu(TNBI)(NH3)2(H2O)] in Heterogeneous Solid Rocket Propellants
Autorzy:
Bogusz, R.
Rećko, J.
Magnuszewska, P.
Lewczuk, R.
Powiązania:
https://bibliotekanauki.pl/articles/358549.pdf
Data publikacji:
2018
Wydawca:
Sieć Badawcza Łukasiewicz - Instytut Przemysłu Organicznego
Tematy:
CuTNO
RDX
HTPB
heterogeneous solid rocket propellant
Opis:
This paper presents results from the application of [Cu(TNBI)(NH3)2(H2O)] (CuTNO) to heterogeneous solid rocket propellants based on HTPB/AP, replacing RDX. A series of different compositions of solid heterogeneous rocket propellants based on HTPB and ammonium perchlorate, containing CuTNO or RDX, were prepared and investigated. The ballistic parameters of the examined propellants were determined by combustion in a laboratory rocket motor (LRM). The ballistic properties were evaluated in the pressure range 4-10 MPa and it was found that the linear burning rate at 10 MPa increased by more than 20% for the CuTNO containing propellant, compared to the RDX-based composition. By linear regression of the r = f(p) curves obtained, the burning laws for the investigated propellants were determined. It was found that the CuTNO additive increases the pressure coefficient by over 46%, compared to unmodified propellant. The determination of the sensitivities to friction and impact, the calorific value, hardness and decomposition temperature of the propellants obtained were also investigated.
Źródło:
Central European Journal of Energetic Materials; 2018, 15, 2; 391-402
1733-7178
Pojawia się w:
Central European Journal of Energetic Materials
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Level and conditioning of knowledge about breast cancer displayed by women in perimenopausal age
Autorzy:
Bogusz, R.
Humeniuk, E.
Walecka, I.
Bojar, I.
Powiązania:
https://bibliotekanauki.pl/articles/49933.pdf
Data publikacji:
2016
Wydawca:
Instytut Medycyny Wsi
Źródło:
Annals of Agricultural and Environmental Medicine; 2016, 23, 2
1232-1966
Pojawia się w:
Annals of Agricultural and Environmental Medicine
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Studies of the Influence of Nano Iron(III) Oxide on Selected Properties of Solid Heterogeneous Propellants Based on HTPB
Autorzy:
Bogusz, R.
Magnuszewska, P.
Florczak, B.
Maranda, A.
Drożdżewska, K.
Powiązania:
https://bibliotekanauki.pl/articles/358189.pdf
Data publikacji:
2016
Wydawca:
Sieć Badawcza Łukasiewicz - Instytut Przemysłu Organicznego
Tematy:
combustion rate modifier
nano iron(III) oxide
solid heterogeneous rocket propellant
HTPB
LRM
Opis:
This paper presents the results of investigations into the use of 56 nm nano iron(III) oxide as a combustion rate modifier in a solid heterogeneous rocket propellant (SHRP). A series of solid heterogeneous rocket propellants based on HTPB and ammonium perchlorate with different nano iron(III) oxide contents in the propellant composition were prepared and investigated. The ballistic parameters of the examined propellants were determined by combustion in a laboratory rocket motor (LRM). The ballistic properties were evaluated in the pressure range 5-10 MPa. It was found that the linear burning rate at 7 MPa was increased by 15% for 1% nano iron(III) oxide content in comparison to 0.2% content. Determination of the sensitivity to friction and impact, the calorific value, hardness and decomposition temperature of the derived propellants were also investigated.
Źródło:
Central European Journal of Energetic Materials; 2016, 13, 4; 1051-1063
1733-7178
Pojawia się w:
Central European Journal of Energetic Materials
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Study of the Effect of Nitrated Hydroxyl-terminated Polybutadiene (NHTPB) on the Properties of Heterogeneous Rocket Propellants
Autorzy:
Florczak, B.
Bogusz, R.
Skupiński, W.
Chmielarek, M.
Dzik, A.
Powiązania:
https://bibliotekanauki.pl/articles/358481.pdf
Data publikacji:
2015
Wydawca:
Sieć Badawcza Łukasiewicz - Instytut Przemysłu Organicznego
Tematy:
NHTPB
HTPB
heterogeneous solid rocket propellant
linear burning rate
Opis:
This paper presents results from research concerning the effect of nitrated hydroxyl-terminated polybutadiene (NHTPB), content up to 3%, on the physicochemical, physico-mechanical and ballistic properties of heterogeneous rocket propellants based on hydroxyl-terminated polybutadiene (HTPB), ammonium perchlorate (AP) and aluminium powder. The results of research on the rheological and thermal properties of the tested solid rocket propellants are also presented. These studies have shown that 2% rubber NHTPB, contained within a composite solid propellant, increases the energy and ballistic parameters of the propellant.
Źródło:
Central European Journal of Energetic Materials; 2015, 12, 4; 841-854
1733-7178
Pojawia się w:
Central European Journal of Energetic Materials
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
When a doctor becomes a patient, the unique expectations and behaviours in a disease: preliminary report
Autorzy:
Tarkowski, Z.
Piątkowski, W.
Bogusz, R.
Majchrowska, A.
Nowakowski, M.
Sadowska, A.
Humeniuk, E.
Powiązania:
https://bibliotekanauki.pl/articles/1917827.pdf
Data publikacji:
2016
Wydawca:
Uniwersytet Medyczny w Białymstoku
Tematy:
‘a doctor as a patient’
disease
Opis:
Descriptions and interpretations of cases in which a doctor becomes a patient are rather marginal in the Polish and Western medical literature. Still, analysis of doctors’ behaviours when they become patients themselves seems interesting. The available research results suggest that doctors find it difficult to adopt the role of a patient and very often delay the process of diagnosis and therapy. A substantial number of them treat themselves and have problems with following therapeutic advice. There are particular features which make doctors demanding or even tough when placed in the role of a patient. Doctors often select ‘partners’ in therapy among their colleagues, expect ‘individual therapy’ and ‘special’ treatment (a longer appointment, consultation after regular working hours etc.). The problem of ‘doctors in sickness’ has been addressed by professional organisations. The British General Medical Council suggests that due to potential risk for one’s patients’ and one’s own health, an ill doctor should consult his/her highly qualified colleague and follow the advice. Moreover, he/she is advised to consult a GP who is not a member of their family in order to guarantee independent and objective medical care. Similar solutions have been adopted by medical organisations from other countries.
Źródło:
Progress in Health Sciences; 2016, 6(2); 160-164
2083-1617
Pojawia się w:
Progress in Health Sciences
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Numerical and Experimental Studies of Material Properties of Special - Purpose Material Twaron T750
Numeryczne i eksperymentalne badania właściwości materiału specjalnego przeznaczenia Twaron 750
Autorzy:
Barnat, W.
Sokołowski, D.
Gieleta, R.
Bogusz, P.
Powiązania:
https://bibliotekanauki.pl/articles/232404.pdf
Data publikacji:
2015
Wydawca:
Sieć Badawcza Łukasiewicz - Instytut Biopolimerów i Włókien Chemicznych
Tematy:
dry aramid fabric
mechanical properties
finite element analysis
sucha tkanina aramidowa
właściwości mechaniczne
analiza elementów skończonych
Opis:
The subject of this paper is an attempt to define the fundamental constants of materials for special-purpose material - aramid dry faricTwaronT750. During research on this problem, tensile tests of dry fabric TwaronT750 were made on an Istron 8802 strength testing machine. The test was filmed with a Phantom V12 high-speed camera. A numerical model of the fabric architecture was made using commercial HyperMesh and LS-DYNA software. In the numerical model a whole research area was represented.
Tematem tego artykułu jest próba określenia podstawowych stałych materiałowych dla materiału specjalnego przeznaczenia, którym jest tkania aramidowa Twaron 750. W trakcie prowadzonych badań zostały wykonane próby rozciągania nieprzesyconej tkaniny Twaron 750 na maszynie wytrzymałościowej Instron 8802. Próba została sfilmowana przy użyciu szybkiej kamery PHANTOM V12. Model numeryczny oddający architekturę tkaniny został wykonany przy użyciu komercyjnego oprogramowania LS-DYNA. W modelu została odwzorowana cała przestrzeń badawcza rozciąganej próbki.
Źródło:
Fibres & Textiles in Eastern Europe; 2015, 4 (112); 33-38
1230-3666
2300-7354
Pojawia się w:
Fibres & Textiles in Eastern Europe
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Crushing behaviour of the PVC foam loaded with beaters of various shapes
Autorzy:
Bogusz, P.
Gieleta, R.
Stankiewicz, M.
Konarzewski, M.
Powiązania:
https://bibliotekanauki.pl/articles/387664.pdf
Data publikacji:
2018
Wydawca:
Politechnika Białostocka. Oficyna Wydawnicza Politechniki Białostockiej
Tematy:
polymer foam
polyvinyl chloride foam
hitting with a blunt object
energy absorption
impact tests
experimental mechanics
Opis:
Statistically, at least 50% of all injuries experienced by police officers in the line of duty are due to assaults with blunt objects. Therefore, vests used by the police should provide not only good ballistic resistance, but also good protection against such threats. Foamed materials are possible to be used for body protectors or inserts of protective clothes. The effects of dynamic impact with beaters of different shapes onto behaviour of polymeric foamed material were determined. There were used four types of beaters: flat, cylindrical, edgy and cornered. Strikes with blunt objects such as a flat board, baseball bat, edgy brick, pavement brick or a sharp stone, to which a protective ware can be subjected, were simulated. The impact load was applied to the rectangular specimens, made of polyvinyl chloride foam, with a usage of a drop hammer. Plots of force versus compression for all the tested samples were obtained and analysed. The effects of impacts with beaters of different shapes onto foamed material samples were presented. A shape of the blunt object significantly influences crushing behaviour of the foamed material. The impact energy of a flat beater is absorbed effectively on a short distance, since it is spread on a relatively large surface. The cylindrical and edgy beaters did not cause fragmentation of the samples, however, on the upper surfaces of the samples, permanent deformations mapping the beaters shapes as well as some cracks occurred. An impact with a sharp object, for example, a cornered beater is very difficult to be neutralized by the foam material, because it is cumulated on a small area.
Źródło:
Acta Mechanica et Automatica; 2018, 12, 1; 23-30
1898-4088
2300-5319
Pojawia się w:
Acta Mechanica et Automatica
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Experimental evaluation of energy absorbing properties of selected elastomer materials
Autorzy:
Stankiewicz, M.
Popławski, A.
Bogusz, P.
Gieleta, R.
Sławiński, G.
Powiązania:
https://bibliotekanauki.pl/articles/247562.pdf
Data publikacji:
2015
Wydawca:
Instytut Techniczny Wojsk Lotniczych
Tematy:
material research
experiment
elastomers
polyurethanes
energy absorption properties
Opis:
The paper presents identifying studies of mechanical properties of the selected materials from the group of elastomers including Asmathane (65 ShA), Easyprene FPS (30 ShA), Biresin (U1305). The tests were carried out at the Laboratory of Strength of Materials, the Department of Mechanics and Applied Computer Science, with the use of an especially designed stand for testing the energy absorption of materials. The research aims were to determine the basic properties and characteristics of the selected materials as well as to compare them and identify the material with the best energy-absorbing characteristics. For a single load-unload cycle, applied dynamically, the hysteresis loops were recorded. Energy-absorption of individual materials and maximum strength were determined. During the experimental test, a fast speed camera was used for accurately register the progress performance of the test. The pictures of the dynamic tests of materials behaviour are shown. The curves of the tested materials are compared in the graphs. The resulting data will help to create constitutive models of the tested materials, which in the next stages of the project will be used in numerical studies on the impact of detonation on the designed protective panel.
Źródło:
Journal of KONES; 2015, 22, 3; 241-248
1231-4005
2354-0133
Pojawia się w:
Journal of KONES
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Experimental validation of the numerical model of a car impact on a road barrier
Autorzy:
Barnat, W.
Bogusz, P.
Dziewulski, P.
Gieleta, R.
Kiczko, A.
Klasztorny, A.
Klasztorny, M.
Niezgoda, T.
Ochelski, S.
Powiązania:
https://bibliotekanauki.pl/articles/245936.pdf
Data publikacji:
2010
Wydawca:
Instytut Techniczny Wojsk Lotniczych
Tematy:
car - road barrier system
crash test
experimental examinations
numerical simulations
numerical model validation
Opis:
This analysis considers the problem related to the transport safety improvement by applying specialized energy absorbing elements. The advanced finite element method was used to solve this problem. The obtained results permit to estimate the practical usability of the proposed solution. In previous works of the examination team [1-5] a series of numerical analysis of the car -- road barrier dynamical system, directed to the elaboration of the numerical model methodology of an impact problem with the use of chosen CAE programs, was submitted. In this article experimental results of a Suzuki Swift car impact into a standard road barrier arę presented. Tests were carried out at the Automotive Industry Institute (PIMOT) in Warsaw, with the use of a test sample of the road barrier. Presented results of experimental tests serve to validation of a numerical model of the aforementioned system. For the safety sake the car's speed during the experimental examinations was limited to 50 km/h. Moreover, the vehicle hit perpendicularly a properly modified road barrier's sector. Experimental initial boundary and constructional conditions were modelled in numerical examinations. in which a commonlv available Suzuki Swift car model, http://www.ncac.gwu.edu, was used. Numerical analysis was carried out with the use of LS-DYNA system.
Źródło:
Journal of KONES; 2010, 17, 1; 17-27
1231-4005
2354-0133
Pojawia się w:
Journal of KONES
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
A New Method of Teaching Spatial Orientation to the Blind
Autorzy:
Hojan, E.
Jakubowski, M.
Talukder, A.
Wereda, H.
Furmann, A.
Ewertowski, R.
Skrodzka, E.
Perz, P.
Pękala, P.
Bogusz, E.
Lubawy, H.
Tomaszewski, F.
Czechyra, B.
Orczyk, M.
Szymański, G.
Niewiarowicz, M.
Hojan-Jezierska, D.
Jezierska, A.
Powiązania:
https://bibliotekanauki.pl/articles/1490435.pdf
Data publikacji:
2012-01
Wydawca:
Polska Akademia Nauk. Instytut Fizyki PAN
Tematy:
43.66.Yw
Opis:
Elaboration of a new method of teaching spatial orientation to blind and visually handicapped persons base on urban environment sounds was shown. Task 1 is a questionnaire inquiry on the problems of the blind moving in a big city. In Task 2 a preliminary selection and classification of the acoustic signals and vibrations that can be useful for spatial orientation was made. In Task 3 an analysis of acoustic signals for sound signalisation at pedestrian crossings was made. Some solutions for acoustic signalization were proposed. In Task 4 sounds and vibrations necessary for a library of acoustic events and situations characteristic of a city were recorded. In Task 5 the library was created and arranged to be ready to be used by teachers in the spatial orientation training. The most important outcome of the study was to develop a method of spatial orientation teaching with employment of sounds and verification of the method (Task 6). After verification it is concluded that the method is useful for spatial education of the blind at different levels of their education.
Źródło:
Acta Physica Polonica A; 2012, 121, 1A; A-005-A-008
0587-4246
1898-794X
Pojawia się w:
Acta Physica Polonica A
Dostawca treści:
Biblioteka Nauki
Artykuł
    Wyświetlanie 1-13 z 13

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