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1
Content available Possibility of intermodal freight transport using ferry and RORO ships in Japan
Aratani T., Sato K.
Zeszyty Naukowe Akademii Morskiej w Szczecinie
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2018
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nr 54 (126)
95--102
EN
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.
2
Content available Eco-shipping project with a speed planning system for Japanese coastal vessels
Sato K., Kano T.
Zeszyty Naukowe Akademii Morskiej w Szczecinie
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2016
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nr 46 (118)
147++154
EN
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.
3
Content available remote A 6-state Universal Semi-totalistic Cellular Automaton on Kite and Dart Penrose Tilings
Imai K., Hatsuda T., Poupet V., Sato K.
Fundamenta Informaticae
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2013
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Vol. 126, nr 2-3
247--261
EN
In this paper we investigate certain properties of semi-totalistic cellular automata (CA) on the well known quasi-periodic kite and dart two dimensional tiling of the plane presented by Roger Penrose. We show that, despite the irregularity of the underlying grid, it is possible to devise a 6-state semi-totalistic CA capable of simulating any boolean circuit and any Turing machine on this aperiodic tiling.
4
Content available remote Monotonicity and non-monotonicity of domains of stochastic integral operators
Sato K.
Probability and Mathematical Statistics
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2006
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Vol. 26, Fasc. 1
23--39
EN
A Lévy process on Rd with distribution }μ at time 1 is denoted by Xμ = {Xμt}, If the improper stochastic integral [formula] of f with respect to Xμ is definable, its distribution is denoted by Ф∫(μ). The class of all infinitely divisible distributions μ on Rd such that Ф∫(μ) is definable is denoted by D(Φ∫). The class D(Φ∫), its two extensions Dc(Φ∫) and Des(Φ∫) (compensated and essential), and its restriction D0(Φ∫)(absolutely definable) are studied. It is shown that Des(Φ∫) is monotonic with respect to ∫, which means that |f2| ≤ |f1| implies Des(Φ∫1) ⊂ Des(Φ∫2). Further D0Φf is monotonic with respect to ∫ but neither D(Φ∫) nor D0(Φ∫)is monotonic with respect to ∫. Furthermore, there exist μ, ∫1 and ∫2 such that 0 ≤∫2 ∫1, and μ∈D(Φ∫1), and μ ∉D(Φ∫2) An explicit example for this is related to some properties of a class of martingale Levy processes.
5
Order parameter analysis of L10-FePd particles by nano-beam elektron diffraction.
Sato K., Hirotsu Y.
Archives of Materials Science
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2005
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Vol. 26, nr 1-2
17-23
EN
Long-range order parameters of 10-nm-sized single L10-FePd nanoparticles were determined by nano-beam electron diffraction with the aid of intensity calculation. Particle thickness was measured by electron holography using a theoretical mean inner potential. Obtained order parameters were S = 0.84 and S = 0.70 for particles with sizes of 9.7 and 7.8 nm, respectively, which are comparable with the mean order parameter determined by the selected area electron diffraction.
6
Osiem podstawowych zasad japońskiego stylu zarządzania
Sato K., Pawlak W.
Problemy Jakości
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1998
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R. 30, nr 7
27-29
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