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Wyszukujesz frazę "Styczeń, J." wg kryterium: Autor


Wyświetlanie 1-4 z 4
Tytuł:
Analysis of thermal properties and heat loss in construction and isothermal materials of multilayer building walls
Autorzy:
Urzędowski, A.
Wójcicka-Migasiuk, D.
Styczeń, J.
Powiązania:
https://bibliotekanauki.pl/articles/103218.pdf
Data publikacji:
2017
Wydawca:
Stowarzyszenie Inżynierów i Techników Mechaników Polskich
Tematy:
thermal insulation
heat transfer coefficient
thermography
building materials
low energy houses
Opis:
The article discusses the impact of vertical partition, technology on thermal insulation of the building, and the resulting savings and thermal comfort of residents. The study is carried out as an analysis of three selected design solutions including such materials as: aerated concrete elements, polystyrene, ceramic elements, concrete, mineral plaster. Simulation results of heat transfer in a multi-layered wall, are subjected to a detailed analysis by means of thermal visual methods. The study of existing structures, helped to identify the local point of heat loss by means of infrared technology leading to determination of U-value reduction by 36% in maximum for the described 3 types of structure.
Źródło:
Advances in Science and Technology. Research Journal; 2017, 11, 2; 33-37
2299-8624
Pojawia się w:
Advances in Science and Technology. Research Journal
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Single-Bond Force Measured by Means of Scanning Force MicroscopyD
Autorzy:
Lekka, M.
Gryboś, J.
Lekki, J.
Stachura, Z.
Styczeń, J.
Powiązania:
https://bibliotekanauki.pl/articles/2035535.pdf
Data publikacji:
2002-09
Wydawca:
Polska Akademia Nauk. Instytut Fizyki PAN
Tematy:
68.35.Gy
07.10.Pz
Opis:
The aim of this investigation was to determine the adhesion force as a function of calcium dichloride concentration in water. The studies were performed with two surfaces carrying opposite charge in water solution: mica - as a negatively charged surface and glass covered with poly-L-lysine - as a positively charged surface, the latter due to the presence of amino groups. The surfaces were immersed in a CaCl$\text{}_{2}$ solution in the range of concentration varied from 0 to 100 mM. The scanning force microscopy was applied to determine the adhesion force by measurements of the pull-off force. Additionally, the values of the single bond force were estimated basing on the Poisson distribution of the number of binding sites.
Źródło:
Acta Physica Polonica A; 2002, 102, 3; 355-364
0587-4246
1898-794X
Pojawia się w:
Acta Physica Polonica A
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Single Proton Hit Facility at the IFJ PAN in Cracow
Autorzy:
Polak, W.
Lekki, J.
Veselov, O.
Stachura, Z.
Styczeń, J.
Powiązania:
https://bibliotekanauki.pl/articles/2044772.pdf
Data publikacji:
2006-03
Wydawca:
Polska Akademia Nauk. Instytut Fizyki PAN
Tematy:
87.50.Gi
87.50.-a
Opis:
This work presents the final development stage and optimization results of the single proton hit facility in Cracow. The setup parameters: proton beam energy 2 MeV, hit resolution 30μm, intensity ≈1000 proton/s, proton registration efficiency 100%, blanking efficiency 99.8%. On-line observation allows targeting cells inside a Petri dish mounted at a 3D precise moving stage. To target a particular cell a semiautomatic cell visualization and recognition system is used.
Źródło:
Acta Physica Polonica A; 2006, 109, 3; 417-420
0587-4246
1898-794X
Pojawia się w:
Acta Physica Polonica A
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Study of Adhesion Interaction Using Atomic Force Microscopy
Autorzy:
Gryboś, J.
Pyka-Fościak, G.
Lebed, K.
Lekka, M.
Stachura, Z.
Styczeń, J.
Powiązania:
https://bibliotekanauki.pl/articles/2038080.pdf
Data publikacji:
2004-05
Wydawca:
Polska Akademia Nauk. Instytut Fizyki PAN
Tematy:
87.64.Dz
68.35.Gy
Opis:
An atomic force microscope is a useful tool to study the interaction forces at molecular level. In particular the atomic force microscope can measure an unbinding force needed to separate the two single molecule complexes. Recent studies have shown that such unbinding force depends linearly on the logarithm of the applied loading rate, defined as a product of scanning velocity and the spring constant characterizing the investigated system (cantilever vs. surface). This dependence can be used to study the energy landscape shape of a molecular complex by the estimation of energy barrier locations and the related dissociation rates. In the present work the complex consisting of ethylene(di)aminetetraacetic acid and the bovine serum albumin was measured. The dependence between the unbinding force and the logarithm of the loading rate was linear. Using the Bell model describing the dissociation of the above molecules caused by the action of the external bond breaking force, two parameters were estimated: the dissociation rate and the position of the energy barrier needed to overcome during a transition from a bound to unbound state. The obtained results are similar to those obtained for a typical ligand-receptor interaction.
Źródło:
Acta Physica Polonica A; 2004, 105, 5; 501-510
0587-4246
1898-794X
Pojawia się w:
Acta Physica Polonica A
Dostawca treści:
Biblioteka Nauki
Artykuł
    Wyświetlanie 1-4 z 4

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