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Tytuł:
Magnetic Anisotropy of NiMn/Ni and NiMn/Cu/Ni Thin Films
Autorzy:
Ogawa, T.
Sato, T.
Powiązania:
https://bibliotekanauki.pl/articles/2013074.pdf
Data publikacji:
2000-03
Wydawca:
Polska Akademia Nauk. Instytut Fizyki PAN
Tematy:
75.30.Gw
75.50.Lk
75.70.Ak
Opis:
The magnetic anisotropy of reentrant spin glass NiMn thin film, in the vicinity of the ferromagnetic Ni film, is investigated using NiMn/Ni, Cu/Ni/Cu (t=10 Å and 500 Å)/NiMn and NiMn/Ni/Cu (t=10 ÷ 5000 Å)/Ni films. The unidirectional anisotropy field of NiMn layer in NiMn/Ni film is smaller than that of bulk NiMn. In Cu/Ni/Cu (t=10 Å and 500 Å)/NiMn film, the unidirectional anisotropy field is almost independent of the Cu spacer thickness. These results can be explained in terms of magnetic coupling between the magnetic layers in addition to the film structure of NiMn layer.
Źródło:
Acta Physica Polonica A; 2000, 97, 3; 491-494
0587-4246
1898-794X
Pojawia się w:
Acta Physica Polonica A
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Image Depth Profiling AES
Autorzy:
Sekine, T.
Sato, T.
Powiązania:
https://bibliotekanauki.pl/articles/1892328.pdf
Data publikacji:
1992-01
Wydawca:
Polska Akademia Nauk. Instytut Fizyki PAN
Tematy:
68.35.Dv
Opis:
Image depth profiling AES incorporating an image processing technique has been developed. This method reconstructs a cross-sectional image from acquired 2-dimensional and/or 3-dimensional data. A binary image produced from a secondary electron image through image processing can be used to cut the area of interest for selected area analysis. In a failure analysis of a relay contact, we found by cross-sectional image observation that Fe and Ni permeate from pin holes in an Au layer covering a Fe-Ni alloy. A VTR head made of a polycrystalline ferrite core covered with a Sendust (Si-Al-Fe alloy) layer at the gap has been analyzed. Depth distributions of Al, 0, and Fe on different grains, and Al and O distributions near grain boundaries have been successfully reassembled from the 3-dimensional data.
Źródło:
Acta Physica Polonica A; 1992, 81, 1; 145-157
0587-4246
1898-794X
Pojawia się w:
Acta Physica Polonica A
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Concentration Dependence of Photo-Induced Magnetization in Diluted Magnetic Semiconductor Cd$\text{}_{1-x}$Mn$\text{}_{x}$Te
Autorzy:
Yamaguchi, Y.
Kawai, H.
Sato, T.
Powiązania:
https://bibliotekanauki.pl/articles/1956517.pdf
Data publikacji:
1997-02
Wydawca:
Polska Akademia Nauk. Instytut Fizyki PAN
Tematy:
75.50.Lk
75.50.Pp
Opis:
The photo-induced decrease in magnetization ΔM$\text{}_{photo}$ was observed in Cd$\text{}_{1-x}$Mn$\text{}_{x}$Te (0.25 < x < 0.42) under unpolarized light illumination whose photon energy is smaller than the band gap of the sample. The photo-induced magnetization decreases with increasing Mn content through Mn$\text{}^{2+}$-Mn$\text{}^{2+}$ antiferromagnetic interaction, which supports our idea for origin of it based on the flipping of Mn spins in the bound magnetic polarons accompanied by the spin-flip Raman scattering.
Źródło:
Acta Physica Polonica A; 1997, 91, 2; 479-482
0587-4246
1898-794X
Pojawia się w:
Acta Physica Polonica A
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Possibility of intermodal freight transport using ferry and RORO ships in Japan
Autorzy:
Aratani, T.
Sato, K.
Powiązania:
https://bibliotekanauki.pl/articles/135679.pdf
Data publikacji:
2018
Wydawca:
Akademia Morska w Szczecinie. Wydawnictwo AMSz
Tematy:
intermodal freight transport
ferry
RORO ship
the net freight flow census
transported goods
transportation services
Opis:
In Japan, it is becoming difficult to move freight long distances using only trucks, owing to a shortage in truck drivers. In this context, there is a tendency to also actively utilize ferries or roll-on/roll-off (RORO) ships. Intermodal freight transport uses two or more suitable modes of transport from the origin of goods to the destination. In order to promote intermodal freight transport, it is necessary to analyze factors such as the characteristics of transported goods, transportation services and fares, and lot sizes. In this study, we focused on ferries and RORO ships in Japan, and attempted to identify cargoes transported using different modes of transport, based on the net freight flow census. In conclusion, high volumes of “agricultural and fishery products,” “metal machinery,” “chemical industrial,” “light industrial,” and “miscellaneous manufacturing products” can be transported using ferries or RORO ships. Specifically, there is a tendency that products are segregated by transportation mode such as a truck, or a ferry and a RORO ship.
Źródło:
Zeszyty Naukowe Akademii Morskiej w Szczecinie; 2018, 54 (126); 95-102
1733-8670
2392-0378
Pojawia się w:
Zeszyty Naukowe Akademii Morskiej w Szczecinie
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Eco-shipping project with a speed planning system for Japanese coastal vessels
Autorzy:
Sato, K.
Kano, T.
Powiązania:
https://bibliotekanauki.pl/articles/135186.pdf
Data publikacji:
2016
Wydawca:
Akademia Morska w Szczecinie. Wydawnictwo AMSz
Tematy:
slow steaming
coastal vessel
reduce CO₂ emissions
fuel reduction
cement carrier
oil tanker
Opis:
The Eco-Shipping Project has conducted demonstrative experiments since the beginning of this year using about 40 vessels including coastal cement carriers, oil tankers, and ro-ro ships supported by the Ministry of the Environment. The goal of this project is to reduce fuel and CO₂ emission by 15%. The authors developed a voyage speed planning system which calculates a vessel optimum speed plan that takes into account weather forecast information and generates minimized fuel consumption for an operation. This paper describes an approach to optimize speed profiles on ship just-in-time voyages to save fuel and reduce CO₂ emissions, and introduces some cases of experimental results.
Źródło:
Zeszyty Naukowe Akademii Morskiej w Szczecinie; 2016, 46 (118); 147++154
1733-8670
2392-0378
Pojawia się w:
Zeszyty Naukowe Akademii Morskiej w Szczecinie
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Development project of a hydrogen fuelled internal combustion engine for heavy duty truck - outline and preliminary test
Autorzy:
Sato, Y.
Yanai, T.
Goto, Y.
Powiązania:
https://bibliotekanauki.pl/articles/246354.pdf
Data publikacji:
2007
Wydawca:
Instytut Techniczny Wojsk Lotniczych
Tematy:
combustion engine
hydrogen engine
direct injection
NOx emission
NOx reduction catalyst
Opis:
The hydrogen fuelled internal combustion engine represent a promising solution to the issues of global warming, fossil fuel break point and environmental protection. The development of a hydrogen fuelled internal combustion engine for heavy-duty truck has been being carried out at Hydrogen Energy Research Centre (HERC) of Musashi Institute of Technology and National Traffic Safety and Environment Laboratory (NTSEL) since FY 2005 in the Next-Generation, Low-Emission Vehicle Development - Practical Implementation Project (EFV21) of Ministry of Land, Infrastructure and Transport (MLIT). As the most important key technology, the development of the common-rail type electronic high pressure hydrogen injectors is performed. Now the development of a hydrogen fuelled engine with 6 cylinders, the total displacement of 7.7 litters, direct injection and spark ignition is about to start. In this paper, the development concept, the characteristics of the injectors, some performance in the engine output power and the effects of nox reduction catalyst ever obtained experimentally by using a single cylinder engine are demonstrated.
Źródło:
Journal of KONES; 2007, 14, 3; 543-549
1231-4005
2354-0133
Pojawia się w:
Journal of KONES
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Body weight of high and low aggression mice under various population densities
Autorzy:
Oikawa, T
Kawamoto, Y.
Nakamura, S.
Morimasa, T.
Sato, K.
Powiązania:
https://bibliotekanauki.pl/articles/2043138.pdf
Data publikacji:
2000
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
population density
statistical analysis
mice
aggressive behaviour
sex
animal
growth
mouse
phenotypic mean
genotype
environment interaction
body weight
heterogeneity
aggression
Źródło:
Journal of Applied Genetics; 2000, 41, 1; 35-42
1234-1983
Pojawia się w:
Journal of Applied Genetics
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Friction-induced oscillations of a non-asbestos organic pin sliding on a steel disc
Autorzy:
Nosko, O.
Nagamine, T.
Mori, H.
Sato, Y.
Powiązania:
https://bibliotekanauki.pl/articles/387595.pdf
Data publikacji:
2015
Wydawca:
Politechnika Białostocka. Oficyna Wydawnicza Politechniki Białostockiej
Tematy:
friction-induced oscillation
pin-on-disc machine
non-asbestos organic material
sliding velocity
temperature
tarcie wywołane oscylacją
prędkość poślizgu
temperatura
Opis:
Friction-induced oscillations result in deterioration of performance of disc brakes and are generally undesired. We conduct experimental study of friction-induced oscillations in a non-asbestos organic material / steel pair used in disc brakes of motor vehicles. The tests are done by use of a pin-on-disc machine in which the pin sample is supported on a deformable beam. The adjustable friction parameters are the disc velocity, contact pressure and temperature. The tests show that the friction coefficient decreases with the sliding velocity and increases with the temperature. The friction-induced tangential oscillation of the pin sample occurs with a frequency equal to the first natural frequency of the beam. The effects of the disc velocity and temperature on the oscillation characteristics are investigated. The oscillation amplitude increases with the disc velocity on the interval of velocities below 2 m/s. Temperature changes of several tens of degrees Celsius lead to the oscillation occurrence / decay. The obtained results can be useful for prognostication of friction-induced oscillations in disc brakes with non-asbestos organic pads.
Źródło:
Acta Mechanica et Automatica; 2015, 9, 2; 84-88
1898-4088
2300-5319
Pojawia się w:
Acta Mechanica et Automatica
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Optimization of injection pressure for fuel consumption and exhaust emissions in a dimethyl ether (DME) engine with a common rail type injection system
Autorzy:
Yanai, T.
Konno, M.
Sato, Y.
Oikawa, H.
Nozaki, S.
Powiązania:
https://bibliotekanauki.pl/articles/247403.pdf
Data publikacji:
2010
Wydawca:
Instytut Techniczny Wojsk Lotniczych
Tematy:
diesel engines
alternative fuels
DME
common rail
injection pressure
fuel consumption
emissions
Źródło:
Journal of KONES; 2010, 17, 2; 511-518
1231-4005
2354-0133
Pojawia się w:
Journal of KONES
Dostawca treści:
Biblioteka Nauki
Artykuł
Wyświetlanie 1-10 z 15

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