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Tytuł:
Zastosowanie wymiernych oznaczeń sensorycznych do badania aktywności przeciwutleniającej dymu wędzarniczego i jego faz
Primenenie opredelimykh sensori`eskikh obozna`enijdlja issledovanija antiokislitel`noj aktivnosti koptitel`nogo dyma i ego faz
The application of mesurable sensory evoluation in the determination of antioxidative properties of curing smoke and it`s phases
Autorzy:
Tilgner, D.J.
Daun, H.
Kopacz, H.
Powiązania:
https://bibliotekanauki.pl/articles/1836103.pdf
Data publikacji:
1967
Wydawca:
Instytut Rozrodu Zwierząt i Badań Żywności Polskiej Akademii Nauk w Olsztynie
Źródło:
Roczniki Technologii i Chemii Żywności; 1967, 14; 119-128
0080-374X
Pojawia się w:
Roczniki Technologii i Chemii Żywności
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Elastic Behaviour and Lattice Vibrations in bcc V and Nb
Autorzy:
Verma, A.
Verma, M. L.
Rathore, R. P. S.
Powiązania:
https://bibliotekanauki.pl/articles/1946133.pdf
Data publikacji:
1996-09
Wydawca:
Polska Akademia Nauk. Instytut Fizyki PAN
Tematy:
63.20.Dj
62.20.Dc
Opis:
A model is developed by extending the generalised form of exponential potential known as extended generalised exponential potential to account for: (a) a realistic realization of interactions in all separations in general and that of small separations in particular, (b) three-body and electronic effects into the interaction in an alternative and simpler form, (c) a model free from usual fitting procedure. The model is employed to compute the cohesive energy, phonon spectra and second- and third-order elastic constants for group VA bcc metals V and Nb. The computed results showing good agreement with the experimental findings lend reliability and credibility to the potential.
Źródło:
Acta Physica Polonica A; 1996, 90, 3; 547-556
0587-4246
1898-794X
Pojawia się w:
Acta Physica Polonica A
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Possibility of Gamma-Induced Sensibilization Process in Rare-Earth Doped Yag Crystals
Autorzy:
Kaczmarek, S.
Matkovskii, A. O.
Mierczyk, Z.
Kopczyński, K.
Sugak, D. Yu.
Durygin, A. N.
Frukacz, Z.
Powiązania:
https://bibliotekanauki.pl/articles/1945610.pdf
Data publikacji:
1996-08
Wydawca:
Polska Akademia Nauk. Instytut Fizyki PAN
Tematy:
61.72.Ji
61.80.Ed
78.20.Dj
Opis:
The influence of gamma irradiation on optical and lasing properties of Nd:YAG, Er:YAG and CTH:YAG single crystals was studied. The increase in optical output was established for rods without thermal annealing. The possible mechanisms of radiation sensibilization are discussed.
Źródło:
Acta Physica Polonica A; 1996, 90, 2; 285-293
0587-4246
1898-794X
Pojawia się w:
Acta Physica Polonica A
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Spectroscopic and Laser Properties of Different Materials Doped with Pr$\text{}^{3+}$ Ions
Autorzy:
Mierczyk, Z.
Kaczmarek, S.
Kopczyński, K.
Frukacz, Z.
Pracka, I.
Łukasiewicz, T.
Powiązania:
https://bibliotekanauki.pl/articles/1945655.pdf
Data publikacji:
1996-08
Wydawca:
Polska Akademia Nauk. Instytut Fizyki PAN
Tematy:
42.70.Hj
78.20.Dj
78.55.Hx
Opis:
Examined praseodymium doped crystals with 1 at.% of Pr$\text{}^{3+}$ ions for Y$\text{}_{3}$Al$\text{}_{5}$O$\text{}_{12}$ (YAG), SrLaGa$\text{}_{3}$O$\text{}_{7}$ (SLGO) hosts and 3 at.% of Pr$\text{}^{3+}$ ions for YAlO$\text{}_{3}$ (YAP) hosts were produced using Czochralski method. The luminescence for the range of 200÷800 nm and absorption spectra for a wide range of 200÷6000 nm, for Pr$\text{}^{3+}$:YAG, Pr$\text{}^{3+}$:SLGO and Pr$\text{}^{3+}$:YAP crystals have been measured. A free-running laser emission of λ=0.744 μm for Pr:YAG and λ=0.729 μm for Pr:SLGO for two different transmissions of output mirrors has been obtained.
Źródło:
Acta Physica Polonica A; 1996, 90, 2; 407-410
0587-4246
1898-794X
Pojawia się w:
Acta Physica Polonica A
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
UV and Gamma Irradiation Effect in Spectroscopic and Lasing Properties of Er$\text{}^{3+}$ doped Yttrium-Aluminium Garnet, Yttrium Orthoaluminate and Lithium Niobate Crystals
Autorzy:
Kaczmarek, S.
Pracka, I.
Mierczyk, Z.
Kopczyński, K.
Piramidowicz, R.
Malinowski, M.
Kisielewski, J.
Matkovskii, A.
Sugak, D. Yu.
Powiązania:
https://bibliotekanauki.pl/articles/1945656.pdf
Data publikacji:
1996-08
Wydawca:
Polska Akademia Nauk. Instytut Fizyki PAN
Tematy:
42.70.Hj
61.72.Ji
78.20.Dj
Opis:
Optical features (absorption and luminescence spectra) for Er$\text{}^{3+}$ doped yttrium-aluminium garnet (YAG), yttrium orthoaluminate (YAP) and LiNbO3 crystals as well as their changes after UV and gamma irradiations are presented. Possibility of gamma-induced sensibilization process in Er$\text{}^{3+}$ doped crystals is discussed. Positive result for non-pre-annealed gamma-irradiated rods of Er$\text{}^{3+}$:YAG crystal was stated.
Źródło:
Acta Physica Polonica A; 1996, 90, 2; 411-418
0587-4246
1898-794X
Pojawia się w:
Acta Physica Polonica A
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
A Theoretical Investigation of Distortionless Enhancement by Polarization Transfer and Subspectral Editing with a Multiple Quantum Trap NMR Spectroscopy for CX$\text{}_{n}$ Groups
Autorzy:
Tezel, Ö.
Gençten, A.
Tokatli, A.
Şahĺn, M.
Bahçelı, S.
Powiązania:
https://bibliotekanauki.pl/articles/2037004.pdf
Data publikacji:
2003-11
Wydawca:
Polska Akademia Nauk. Instytut Fizyki PAN
Tematy:
82.56.Dj
82.56.Jn
Opis:
Product operator theory is widely used for analytical description of multiple pulse nuclear magnetic resonance experiments for weakly coupled spin systems. Distortionless enhancement by polarization transfer and subspectral editing with a multiple quantum trap NMR experiments are used for spectral assignments of $\text{}^{13}$C NMR spectra in CH$\text{}_{n}$ groups. First, in this study we proposed and showed theoretically that distortionless enhancement by polarization transfer and subspectral editing with a multiple quantum trap experiments can also be used for subspectral editing of $\text{}^{13}$C NMR spectra when $\text{}^{13}$C nuclei coupled to spin-3/2 nuclei. The product operator technique is applied for the analytical description of $\text{}^{13}$C distortionless enhancement by polarization transfer and subspectral editing with a multiple quantum trap NMR spectroscopy for $\text{}^{13}$CX$\text{}_{n}$ ($I_{X}$=3/2; n=1, 2, 3) groups.
Źródło:
Acta Physica Polonica A; 2003, 104, 5; 503-511
0587-4246
1898-794X
Pojawia się w:
Acta Physica Polonica A
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Subspectral Editing with a Multiple Quantum Trap of IS$\text{}_{n}$ Spin Systems by Using Product Operator Theory
Autorzy:
Şahin, M.
Tokatli, A.
Bahçeli, S.
Gençten, A.
Powiązania:
https://bibliotekanauki.pl/articles/2036880.pdf
Data publikacji:
2003-07
Wydawca:
Polska Akademia Nauk. Instytut Fizyki PAN
Tematy:
82.56.Dj
82.56.Jn
Opis:
Product operator theory was often used to describe analytically multipulse NMR experiments for weakly coupled spin systems. In this study first we introduce the descriptions of subspectral editing with a multiple quantum trap NMR spectra for IS$\text{}_{n}$ I=1 /2, S=5/2 with n=1, 2, 3) spin systems by using product operator formalism. These theoretical investigations lead us to form the general expressions for the intensities of the spin -1/2 nuclei coupled to the nuclei with spin ≥5/2. The obtained results can be used for the spectral editing in both liquid-state and solid-state NMR experiments. Furthermore, in order to satisfy the obtained analytical expressions for signal intensities we add the presentation of analytically description of subspectral editing with a multiple quantum trap sequence for weakly coupled IS (I=1/2, S=7/2) spin system.
Źródło:
Acta Physica Polonica A; 2003, 104, 1; 73-80
0587-4246
1898-794X
Pojawia się w:
Acta Physica Polonica A
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Quantum Gates Based on Polarization Transfer NMR Spectroscopy
Autorzy:
Güleç, A.
Bahçeli, S.
Powiązania:
https://bibliotekanauki.pl/articles/2043380.pdf
Data publikacji:
2005-06
Wydawca:
Polska Akademia Nauk. Instytut Fizyki PAN
Tematy:
82.56.Dj
82.56.Jn
Opis:
We first introduce an alternative way to study the insensitive nuclei enhanced by polarization and distortionless enhancement by polarization transfer NMR experiments with the product operator descriptions for weakly coupled I (I=1/2, S=1/2) spin systems as a quantum controlled not gate and a not gate, respectively. In this framework we apply the density matrix operators obtained from the analytical descriptions of the mentioned pulse sequences by using product operator formalism step by step on the NMR spin product states represented in Dirac's notation.
Źródło:
Acta Physica Polonica A; 2005, 107, 6; 983-989
0587-4246
1898-794X
Pojawia się w:
Acta Physica Polonica A
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Influence of Geometric-Confinement Parameters on the Electronic Properties of Quantum Ring
Autorzy:
Moskal, S.
Spisak, B. J.
Powiązania:
https://bibliotekanauki.pl/articles/2047364.pdf
Data publikacji:
2007-07
Wydawca:
Polska Akademia Nauk. Instytut Fizyki PAN
Tematy:
73.23.Ra
73.22.Dj
73.43.Cd
Opis:
We investigate the electronic properties of the quantum rings modelled by a two-dimensional non-singular potential with the cylindrical symmetry as well as the influence of the potential's parameters on energy spectra. In the presence of the external magnetic field we also calculated the persistent currents in such structures in the ballistic regime.
Źródło:
Acta Physica Polonica A; 2007, 112, 1; 101-112
0587-4246
1898-794X
Pojawia się w:
Acta Physica Polonica A
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
An Australian multituberculate and its palaeobiogeographic implications
Autorzy:
Rich, T H
Vickers-Rich, P.
Flannery, T.F.
Kear, B.P.
Cantrill, D.J.
Komarower, P.
Kool, L.
Pickering, D.
Trusler, P.
Morton, S.
Van Klaveren, N.
Fitzgerald, E.M.G.
Powiązania:
https://bibliotekanauki.pl/articles/22948.pdf
Data publikacji:
2009
Wydawca:
Polska Akademia Nauk. Instytut Paleobiologii PAN
Tematy:
Corriebaatar marywaltersae
Cretaceous
new species
multituberculate
Gondwana
fossil
paleontology
new genus
Australia
Multituberculata
Cimolodonta
Mammalia
Opis:
A dentary fragment containing a tiny left plagiaulacoid fourth lower premolar from the Early Cretaceous (Aptian) of Victoria provides the first evidence of the Multituberculata from Australia. This unique specimen represents a new genus and species, Corriebaatar marywaltersae, and is placed in a new family, Corriebaataridae. The Australian fossil, together with meagre records of multituberculates from South America, Africa, and Madagascar, reinforces the view that Multituberculata had a cosmopolitan distribution during the Mesozoic, with dispersal into eastern Gondwana probably occurring prior to enforcement of climatic barriers (indicated by marked differentiation in regional floras) in the Early Cretaceous.
Źródło:
Acta Palaeontologica Polonica; 2009, 54, 1; 1-6
0567-7920
Pojawia się w:
Acta Palaeontologica Polonica
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Photo-Induced Orientation of Nematic Liquid Crystals in Microcapillaries
Autorzy:
Chychłowski, M.
Ertman, S.
Tefelska, M.
Woliński, T.
Nowinowski-Kruszelnicki, E.
Yaroshchuk, O.
Powiązania:
https://bibliotekanauki.pl/articles/1506727.pdf
Data publikacji:
2010-12
Wydawca:
Polska Akademia Nauk. Instytut Fizyki PAN
Tematy:
42.81.Cn
42.79.Dj
42.81.Pa
42.79.Kr
Opis:
Axial and transversal orientational configurations of a nematic liquid crystal 6CHBT are realized inside glassy cylindrical capillaries by using photoalignment technique. It is demonstrated that this principle can be effectively used to enforce liquid crystal alignment in the desirable direction. It can be applied to control liquid crystal alignment in the photonic crystal fibers showing great potential for the modern telecommunication technologies.
Źródło:
Acta Physica Polonica A; 2010, 118, 6; 1100-1103
0587-4246
1898-794X
Pojawia się w:
Acta Physica Polonica A
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
A Product Operator Theory of DEPTQ NMR Spectroscopy for $IS_{n}$ (I = 1/2; S = 1; n = 0, 1, 2, 3) Spin Systems
Autorzy:
Şaka, İ.
Gençten, A.
Gümüş, S.
Powiązania:
https://bibliotekanauki.pl/articles/1493681.pdf
Data publikacji:
2011-09
Wydawca:
Polska Akademia Nauk. Instytut Fizyki PAN
Tematy:
82.56.Dj
82.56.Jn
Opis:
Distortionless enhancement by polarization transfer including the detection of quaternary nuclei is a carbon-editing pulse NMR experiment. In this experiment multiplicity information for all carbons including quaternary carbons are obtained. In the present study, analytical descriptions of DEPTQ NMR experiment have been investigated for weakly coupled $IS_{n}$ (I = 1/2; S = 1; n = 0, 1, 2, 3) spin systems by using the product operator theory. Then, the theoretical discussion and the experimental suggestions for sub-spectral editing of C, CD, $CD_2$ and $CD_3$ groups have been presented. The comparison of the obtained results with those of the basic distortionless enhancement by polarization transfer NMR experiment has been also performed for $CD_{n}$ groups. It is shown that DEPTQ experiment can be also used for $CD_{n}$ groups.
Źródło:
Acta Physica Polonica A; 2011, 120, 3; 541-544
0587-4246
1898-794X
Pojawia się w:
Acta Physica Polonica A
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Electronic Properties of Thin HfO$\text{}_{2}$ Films Fabricated by Atomic Layer Deposition on 4H-SiC
Autorzy:
Taube, A.
Gierałtowska, S.
Gutt, T.
Małachowski, T.
Pasternak, I.
Wojciechowski, T.
Rzodkiewicz, W.
Sawicki, M.
Piotrowska, A.
Powiązania:
https://bibliotekanauki.pl/articles/2048120.pdf
Data publikacji:
2011-05
Wydawca:
Polska Akademia Nauk. Instytut Fizyki PAN
Tematy:
77.55.dj
77.22.Jp
73.40.Qv
81.15.Gh
Opis:
Applicability of thin HfO$\text{}_{2}$ films as gate dielectric for SiC MOSFET transistor is reported. Layers characterisation was done by means of atomic force microscopy and scanning electron microscopy, spectroscopic ellipsometry and C-V and I-V measurements of MIS structures. High permittivity dielectric layers were deposited using atomic layer deposition. Investigation showed high value of κ = 15 and existence of high density surface states (5 × 10$\text{}^{12}$ eV$\text{}^{-1}$ cm$\text{}^{-2}$) on HfO$\text{}_{2}$/SiC interface. High leakage current is caused probably due to low conduction band offset between hafnium oxide and silicon carbide.
Źródło:
Acta Physica Polonica A; 2011, 119, 5; 696-698
0587-4246
1898-794X
Pojawia się w:
Acta Physica Polonica A
Dostawca treści:
Biblioteka Nauki
Artykuł

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