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Wyświetlanie 1-15 z 34
Tytuł:
Anisotropic Magnetic Susceptibility of Neodymium Substituted SrLaAlO$\text{}_{4}$ Crystals
Autorzy:
Fink-Finowicki, J.
Puźniak, R.
Baran, M.
Jabłoński, R.
Berkowski, M.
Pajączkowska, A.
Szymczak, H.
Powiązania:
https://bibliotekanauki.pl/articles/1931256.pdf
Data publikacji:
1994-03
Wydawca:
Polska Akademia Nauk. Instytut Fizyki PAN
Tematy:
75.30.Hx
75.10.Dg
71.70.Ch
Opis:
The uniaxial anisotropy of magnetic properties of SrLa$\text{}_{1-x}$Nd$\text{}_{x}$AlO$\text{}_{4}$ single crystals (x = 0.01 and 0.05) was found from the measurements of temperature dependencies of magnetic susceptibility. Results of measurements, with magnetic field along a- and c-axis, are compared with the similar data obtained for CaNdAlO$\text{}_{4}$ crystal. The successful description of experimental data was done in frames of the crystal field approximation. The anisotropy of magnetic susceptibility appears due to crystal field acting on magnetic neodymium ions in a system without exchange interactions.
Źródło:
Acta Physica Polonica A; 1994, 85, 3; 633-637
0587-4246
1898-794X
Pojawia się w:
Acta Physica Polonica A
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Application of atomic force microscopy for studies of fractal and functional properties of biomaterials
Autorzy:
Kulesza, S.
Bramowicz, M.
Czaja, P.
Jabłoński, R.
Kropiwnicki, J.
Charkiewicz, M.
Powiązania:
https://bibliotekanauki.pl/articles/1075857.pdf
Data publikacji:
2016-10
Wydawca:
Polska Akademia Nauk. Instytut Fizyki PAN
Tematy:
06.30.Bp
68.37.Ps
68.35.bd
81.05.Bx
87.85.J-
Opis:
The paper presents results of numerical analysis of AFM images of a surface of sandblasted Ti6Al7Nb alloys before and after wet etching procedure usually used for preparing commercially viable dental implants. Obtained results demonstrate that etching procedure efficiently cleans the implants as it leaves almost pure Ti-Al-Nb surface with trace amounts of alkali metals and increased hydrophobicity. Apart of that, it turned out that simple statistical measures of the height variations (root mean square roughness) only slightly change upon the treatment procedure, especially for scan lengths below 20 μm. On the other hand, correlation analysis exhibits bifractal surface patterns composed of regular residues left on otherwise helical ridges of the base material. Etching leaves its fingerprint in fractal dimension, but not in the corner frequency.
Źródło:
Acta Physica Polonica A; 2016, 130, 4; 1013-1015
0587-4246
1898-794X
Pojawia się w:
Acta Physica Polonica A
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Application of Model-Based Design in algorithms’ prototyping for experimental acorn scarification rig
Zastosowanie metodyki projektowania opartej na modelu w prototypowaniu algorytmów dla badawczego stanowiska skaryfikacji żołędzi
Autorzy:
Przybyło, J.
Jabłoński, M.
Pociecha, D.
Tadeusiewicz, R.
Piłat, A.
Walczyk, J.
Kiełbasa, P.
Szczepaniak, J.
Adamczyk, F.
Powiązania:
https://bibliotekanauki.pl/articles/335729.pdf
Data publikacji:
2017
Wydawca:
Sieć Badawcza Łukasiewicz - Przemysłowy Instytut Maszyn Rolniczych
Tematy:
scarification
acorn
Model-Based Design
control
skaryfikacja
żołędzie
projektowanie
model MBD
sterowanie
Opis:
Assessment of viability of oak seeds is mainly performed by mechanical scarification followed by visual assessment by trained employees. This procedure is slow and prone to human errors, thus automation of this process is desirable. Shortening the design of complex automation systems requires the use of modern methods, allowing for modeling and simulation of systems containing elements of mechanical, electrical and digital components. The article presents selected aspects of the design of control algorithms for the acorn scarification prototype. A virtual prototyping and Model-Based Design (MBD) approach have been used.
Jedną ze stosowanych metod badania zmian mumifikacyjnych nasion jest skaryfikacja mechaniczna, połączona ze wzrokową oceną żywotności nasion przez człowieka. Ręcznie wykonywana procedura jest powolna i podatna na błędy, dlatego też automatyzacja tego procesu jest pożądana. Skrócenie czasu projektowania złożonych systemów automatyki wymaga stosowania nowoczesnych metod, pozwalających na modelowanie i symulację systemów zawierających elementy zarówno mechaniczne, elektryczne, jak i podzespoły cyfrowe. W artykule zaprezentowano wybrane aspekty projektowania algorytmów sterujących stanowiska badawczego do skaryfikacji żołędzi. Do rozwoju stanowiska badawczego wykorzystano wirtualne prototypowanie oraz metodykę projektowania opartą na modelu (MBD - ang. Model-Based Design).
Źródło:
Journal of Research and Applications in Agricultural Engineering; 2017, 62, 1; 166-170
1642-686X
2719-423X
Pojawia się w:
Journal of Research and Applications in Agricultural Engineering
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Automat wspomagający uzyskanie większej liczby sadzonek dębów
Autorzy:
Tadeusiewicz, R.
Jablonski, M.
Pilat, A.
Szczepaniak, J.
Adamczyk, F.
Frackowiak, P.
Tylek, P.
Walczyk, J.
Juliszewski, T.
Kielbasa, P.
Powiązania:
https://bibliotekanauki.pl/articles/852389.pdf
Data publikacji:
2017
Wydawca:
Polskie Towarzystwo Przyrodników im. Kopernika
Tematy:
drzewa lesne
dab
Quercus
nasiona
zoledzie
skaryfikacja
jakosc nasion
zywotnosc
rozmnazanie roslin
sadzonki
automat do skaryfikacji i oceny zoledzi
Źródło:
Wszechświat; 2017, 118, 07-09
0043-9592
Pojawia się w:
Wszechświat
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Cechy kraniometryczne lisa pospolitego (Vulpes vulpes Linnaeus 1758)
Craniometric variation in red fox (Vulpes vulpes Linnaeus 1758)
Autorzy:
Brudnicki, W.
Nowicki, W.
Skoczylas, B.
Jablonski, R.
Kirkillo-Stacewicz, K.
Powiązania:
https://bibliotekanauki.pl/articles/832620.pdf
Data publikacji:
2009
Wydawca:
Politechnika Bydgoska im. Jana i Jędrzeja Śniadeckich. Wydawnictwo PB
Tematy:
lis pospolity
Vulpes vulpes
czaszki
pomiary kraniometryczne
Źródło:
Zeszyty Naukowe. Zootechnika. Uniwersytet Technologiczno-Przyrodniczy w Bydgoszczy; 2009, 37
0208-6352
Pojawia się w:
Zeszyty Naukowe. Zootechnika. Uniwersytet Technologiczno-Przyrodniczy w Bydgoszczy
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Cechy metryczne przewodu pokarmowego borsuka z Pomorza i Kujaw
Metrical features of alimentary canal in badger in the region of Pomerania and Kujawy
Autorzy:
Nowicki, W.
Brudnicki, W.
Jablonski, R.
Wisniewska, J.
Kirkillo-Stacewicz, K.
Skoczylas, B.
Powiązania:
https://bibliotekanauki.pl/articles/832589.pdf
Data publikacji:
2009
Wydawca:
Politechnika Bydgoska im. Jana i Jędrzeja Śniadeckich. Wydawnictwo PB
Tematy:
borsuk
Meles meles
przewod pokarmowy
cechy metryczne
dwunastnica
jelito czcze
jelito biodrowe
okreznica
prostnica
dlugosc jelita
Źródło:
Zeszyty Naukowe. Zootechnika. Uniwersytet Technologiczno-Przyrodniczy w Bydgoszczy; 2009, 37
0208-6352
Pojawia się w:
Zeszyty Naukowe. Zootechnika. Uniwersytet Technologiczno-Przyrodniczy w Bydgoszczy
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Color calibration method providing uniform distribution of color difference throughout the whole vision gamut
Autorzy:
Kretkowski, M.
Shimodaira, Y.
Jabłoński, R.
Powiązania:
https://bibliotekanauki.pl/articles/385076.pdf
Data publikacji:
2009
Wydawca:
Sieć Badawcza Łukasiewicz - Przemysłowy Instytut Automatyki i Pomiarów
Tematy:
color gamut
color difference
LED color generator
color reference
Opis:
Accurate reproduction of colors requires methods of calibrating a digital camera. In case of a camera which employs filters with spectral characteristics deduced from the color matching functions, a set of reference calibration colors must be used to obtain a conversion matrix between raw data from imaging sensor and colorimetric tristimulus values XYZ, from which the output signal is formed. The XYZ camera used for testing of the presented calibration me thod is capable of acquiring colors accurately in the whole vision gamut due to its filters. However, the well-established color references, like the Macbeth Chart or other similar color checkers, are not entirely sufficient for the calibration due to their enclosure in smaller color gamut (HDTV - High Definition Television) than the whole vision gamut. The presented method is based on choosing the calibration colors by their spectral distributions, which are related with the spectral characteristics of the filters. The obtained result was found to be ?E=1.57 for the designed colors.
Źródło:
Journal of Automation Mobile Robotics and Intelligent Systems; 2009, 3, 4; 213-216
1897-8649
2080-2145
Pojawia się w:
Journal of Automation Mobile Robotics and Intelligent Systems
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Detection of individual dopants in singe-electron devices - a study by KFM observation and simulation
Autorzy:
Ligowski, M.
Moraru, D.
Miftahul, A.
Tarido, J. C.
Mizuno, T.
Tabe, M.
Jabłoński, R.
Powiązania:
https://bibliotekanauki.pl/articles/385159.pdf
Data publikacji:
2009
Wydawca:
Sieć Badawcza Łukasiewicz - Przemysłowy Instytut Automatyki i Pomiarów
Tematy:
single dopant
Kelvin Probe Force Microscope
single-electron transfer
Opis:
Single electron devices (SEDs) are candidates to become a keystone of future electronics. They are very attractive due to low power consumption, small size or high operating speed. It is even possible to assure compatibility with present CMOS technology when natural potential fluctuations introduced by dopant atoms are used to create quantum dots (QD). However, the main problem of this approach is due to the randomness of dopant distribution which is characteristic for conventional doping techniques. This leads to scattered characteristics of the devices, which precludes from using them in the circuits. In these work we approach the problem of correlating the distribution of QD's with the device characteristics. For that, we investigate with a Kelvin probe force microscope (KFM) the surface potential of Si nanodevice channel in order to understand the potential landscape. Results reveal the features ascribable to individual dopants. These findings are supported also by simulation results.
Źródło:
Journal of Automation Mobile Robotics and Intelligent Systems; 2009, 3, 4; 130-133
1897-8649
2080-2145
Pojawia się w:
Journal of Automation Mobile Robotics and Intelligent Systems
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Dopant-Based Charge Sensing Utilizing P-I-N Nanojunction
Autorzy:
Nowak, R.
Jabłoński, R.
Powiązania:
https://bibliotekanauki.pl/articles/220915.pdf
Data publikacji:
2017
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
nanosensor
silicon
p-i-n junction
dopant
Kelvin Probe Force Microscope
Opis:
We studied lateral silicon p-i-n junctions, doped with phosphorus and boron, regarding charge sensing feasibility. In order to examine the detection capabilities and underlying mechanism, we used in a complementary way two measurement techniques. First, we employed a semiconductor parameter analyzer to measure I−V characteristics at a low temperature, for reverse and forward bias conditions. In both regimes, we systematically detected Random Telegraph Signal. Secondly, using a Low Temperature Kelvin Probe Force Microscope, we measured surface electronic potentials. Both p-i-n junction interfaces, p-i and i-n, were observed as regions of a dynamic behaviour, with characteristic time-dependent electronic potential fluctuations. Those fluctuations are due to single charge capture/emission events. We found analytically that the obtained data could be explained by a model of two-dimensional p-n junction and phosphorus-boron interaction at the edge of depletion region. The results of complementary measurements and analysis presented in this research, supported also by the previous reports, provide fundamental insight into the charge sensing mechanism utilizing emergence of individual dopants.
Źródło:
Metrology and Measurement Systems; 2017, 24, 2; 391-399
0860-8229
Pojawia się w:
Metrology and Measurement Systems
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Electron Spin Resonance Spectra of Fe$\text{}^{3+}$ Ions in SrLaAlO$\text{}_{4}$ and SrLaGaO$\text{}_{4}$ High-T$\text{}_{c}$ Substrates
Autorzy:
Jabłoński, R.
Pajączkowska, A.
Powiązania:
https://bibliotekanauki.pl/articles/1964358.pdf
Data publikacji:
1997-07
Wydawca:
Polska Akademia Nauk. Instytut Fizyki PAN
Tematy:
76.30.-v
61.72.Hh
Opis:
New results concerning paramagnetic defects in SrLaAlO$\text{}_{4}$ and SrLaGaO$\text{}_{4}$ high-T$\text{}_{c}$ substrates connected with unavoidable impurity Fe$\text{}^{3+}$ are reported. The identification was checked by measuring the spectra in SrLaAlO$\text{}_{4}$ crystals intentionally doped with 0.5 at.% Fe. Angular dependences of three lines were distinguished at X-band frequency in the temperature range from 4 K to 300 K. We attribute these lines to the transitions inside the doublets ±1/2, and "forbidden" doublets ±3/2, ±5/2, respectively. By diagonalization of spin-Hamiltonian, parameters |D| > 1.2 cm$\text{}^{-1}$, |E| ≈ 0.1 cm$\text{}^{-1}$ and g$\text{}_{x}$=g$\text{}_{y}$=g$\text{}_{z}$= 1.987(13) for SrLaAlO$\text{}_{4}$ and SrLaGaO$\text{}_{4}$ were calculated and within the margin of error they were of the same value.
Źródło:
Acta Physica Polonica A; 1997, 92, 1; 173-176
0587-4246
1898-794X
Pojawia się w:
Acta Physica Polonica A
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Electron Spin Resonance Study of Nd$\text{}^{3+}$ and Er$\text{}^{3+}$ Ions in YAlO$\text{}_{3}$
Autorzy:
Jabłoński, R.
Frukacz, Z.
Powiązania:
https://bibliotekanauki.pl/articles/1945633.pdf
Data publikacji:
1996-08
Wydawca:
Polska Akademia Nauk. Instytut Fizyki PAN
Tematy:
76.30.-v
61.72.-y
42.70.Hj
Opis:
In this paper we present the results of ESR and photo-ESR measurements on YAlO$\text{}_{3}$(YAP) single crystals and powder samples doped purposely with about 1 at.% Nd$\text{}^{3+}$ and undoped crystals in which Er$\text{}^{3+}$ was observed as residual dopant. The ESR measurements were carried out at X-band spectrometer in 4-300 K temperature range. The photo-ESR was performed at 5 K using a mercury arc lamp. For the Nd$\text{}^{3+}$ doped crystals the intensity of ESR signal decreased about 2 times during illumination conditions. Moreover, the calculations of the g tensor and A hyperfine structure parameters for Nd$\text{}^{3+}$ and Er$\text{}^{3+}$ were carried out.
Źródło:
Acta Physica Polonica A; 1996, 90, 2; 339-343
0587-4246
1898-794X
Pojawia się w:
Acta Physica Polonica A
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Electron Spin Resonance Study of Thermal Defects in SrLaAlO$\text{}_{4}$ and SrLaGaO$\text{}_{4}$ High-T$\text{}_{c}$ Substrates
Autorzy:
Jabłoński, R.
Gloubokov, A.
Pajączkowska, A.
Powiązania:
https://bibliotekanauki.pl/articles/1964356.pdf
Data publikacji:
1997-07
Wydawca:
Polska Akademia Nauk. Instytut Fizyki PAN
Tematy:
76.30.-v
61.72.Hh
61.72.Ji
Opis:
The effect of annealing SrLaAlO$\text{}_{4}$ (SLA) and SrLaGaO$\text{}_{4}$ (SLG) crystals in oxidizing and reducing atmospheres in the temperature range of 950°C-1300°C was investigated. Three kinds of anisotropic defects D$\text{}_{1}$, D$\text{}_{2}$, and E at the temperature range of 4-300 K were found. By diagonalization of orthorhombic spin-Hamiltonian parameters: |D|=0.0541(10) cm$\text{}^{-1}$, |E|=0.0108(10) cm$\text{}^{-1}$, g$\text{}_{∥}$=0.883(5), and g$\text{}_{⊥ }$=1.922(5) for D$\text{}_{1}$ defects for SLG and SLA were calculated and they had the same values within the margin of error.
Źródło:
Acta Physica Polonica A; 1997, 92, 1; 169-172
0587-4246
1898-794X
Pojawia się w:
Acta Physica Polonica A
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Evolution and selected implementation examples of ITS in the European Union
Autorzy:
Kozlowski, R.
Jablonski, J.
Adamek, R.
Powiązania:
https://bibliotekanauki.pl/articles/393944.pdf
Data publikacji:
2017
Wydawca:
Polskie Stowarzyszenie Telematyki Transportu
Tematy:
telecommunication
ITS
C-ITS
Intelligent Transportation Systems
telekomunikacja
inteligentny system transportowy
Opis:
Intelligent transportation systems (ITS) are evolving in response to a range of factors, which are discussed in this paper in conjunction with major directions of future ITS development. The technology of cooperation between the various elements of infrastructure and vehicles will determine further evolution of telematic solutions, leading to synergies arising from both existing and new applications, as well as from the advent of the Internet of things in transportation. The next step in the development of such systems is Cooperative ITS. It already has a solid foundation in the European Union’s strategic documents on transportation, and the first implementations are under way.
Źródło:
Archives of Transport System Telematics; 2017, 10, 3; 16-20
1899-8208
Pojawia się w:
Archives of Transport System Telematics
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Exchange coupling effects in naturally oxidised ultrathin iron film
Autorzy:
Dawczak-Dębicki, H.
Marczyńska, A.
Rogowska, A.
Wachowiak, M.
Nowicki, M.
Pacanowski, S.
Jabłoński, B.
Czajka, R.
Smardz, L.
Powiązania:
https://bibliotekanauki.pl/articles/1050673.pdf
Data publikacji:
2018-03
Wydawca:
Polska Akademia Nauk. Instytut Fizyki PAN
Tematy:
75.70.-i
75.70.Kw
Opis:
Oxidation process of Fe films under atmospheric conditions is depth limited such that an oxide covering layer with a well-defined thickness is formed by which the underlying metal is prevented from further oxidation. Iron thin film with an initial thickness d_{i}=4 nm was deposited onto 1.6 nm - V(110) buffer layer using UHV magnetron sputtering. The planar growth of Fe oxides was revealed by atomic force microscopy. X-ray photoelectron spectroscopy studies performed after 250 days of oxidation revealed formation of a hematite (α-Fe₂O₃) ultrathin film on the metallic rest of iron. Furthermore, low temperature magnetic measurements of the oxidised Fe ultrathin film revealed an exchange anisotropy which is imposed to the metallic rest. As a result, we have observed at low temperatures a shift and broadening of the hysteresis loops due to the exchange interaction at the metal-oxide interface.
Źródło:
Acta Physica Polonica A; 2018, 133, 3; 601-604
0587-4246
1898-794X
Pojawia się w:
Acta Physica Polonica A
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Indications for sexology consultation in women after surgical treatment due to breast cancer
Autorzy:
Streb, J.
Jabłonski, M.J.
Słowik, A.
Babczyk, D.
Jach, R.
Powiązania:
https://bibliotekanauki.pl/articles/2083232.pdf
Data publikacji:
2019
Wydawca:
Instytut Medycyny Wsi
Tematy:
mastectomy
sexual health
sexual dysfunction
desire
orgasm
Opis:
Introduction and objectives. Surgical treatment due to brest cancer have an impact on women sexuality. There is a need for research about effective indications for sexology consultation in women after such treatment. The aim of this study is to determine the indications for sexology consultation in women after surgical treatment for breast cancer. Materials and method. We tested 42 women patients diagnosed with breast cancer who had undergone mastectomy 3 months before the study. 3 months after the surgery the women were surveyed using the Polish version of FSFI assessing sexual functioning in women. The result of PL-FSFI were compared with the control group. Results. It was found that the mean score of PL-FSFI in the study group 3 months after the surgery was 13.33 points (score range: 1.2–31.7; median 8.3 points) with a statistically significant difference in terms of areas: desire, arousal, lubrication and orgasm in favour of the control group. The total score of PL-FSFI was significantly lower in women after mastectomy than in women after breast-conserving surgery. It has been shown that sexually active women in whom the surgery concerned the right breast (on the side of the dominant hand) scored lower on the scale “sexual functioning” of QLQ-BR-23 than women with surgery of the left breast, with this difference being statistically significant. There was a statistically significant correlation between the baseline performance status on the Zubrod scale and the scales: desire, lubrication and satisfaction of PL-FSFI. Living in a small town proved to be statistically significant for predicting a lower risk of sexual dysfunction among the surveyed women. Conclusions. The women who underwent surgery due to breast cancer had a higher risk of sexual dysfunction compared to the general population. Higher risk of sexual dysfunction especially concerns women after mastectomy, those who underwent breast surgery on the side of the dominant hand, and those with a worse preoperative overall level of functioning of ≥ 1 point on the Zubrod scale. A lower risk of disorders was observed in women living in smaller towns. The above factors indicate the advisability for sexology consultation in women with breast cancer.
Źródło:
Annals of Agricultural and Environmental Medicine; 2019, 26, 2; 379-384
1232-1966
Pojawia się w:
Annals of Agricultural and Environmental Medicine
Dostawca treści:
Biblioteka Nauki
Artykuł
Wyświetlanie 1-15 z 34

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