Results 21 to 30 of about 920,406 (288)

A Review on Energy Efficiency in Three Transportation Sectors: Railways, Electrical Vehicles and Marine

Energies, 2020
The present paper is a review on efficiency issues related to three important sectors of the transportation systems: railways, electrical vehicles, and marine.
Morris Brenna, Vittorio Bucci, Maria Carmen Falvo, Federica Foiadelli, Alessandro Ruvio, Giorgio Sulligoi, Andrea Vicenzutti   +6 more
doaj   +1 more source

Recent Progress of Two-Dimensional Transition Metal Dichalcogenides for Thermoelectric Applications

Frontiers in Physics, 2022
Two-dimensional transition metal dichalcogenides (2D-TMDs) have sparked immense interest, resulting from their unique structural, electronic, mechanical, and thermal properties.
Wei Zhou, Huimin Gong, Xiaohe Jin, Yang Chen, Huimin Li, Song Liu   +5 more
doaj   +1 more source

Model investigations into assessing optimal power consumption modes for major pump stations of iron ore underground mines [PDF]

E3S Web of Conferences, 2021
The article investigates into the level of energy efficiency of main water pump stations of iron ore underground mines in case of time-of-day electricity rate. There are developed and suggested methods of analyzing the influence of pump electric capacity
Sinchuk Igor, Beridze Tetyana, Kasatkina Irina, Krasnopolsky Roman, Dozorenko Oleg, Strzelecki Ryszard   +5 more
doaj   +1 more source

Resistividade do filme depositado via sol-gel e estado de oxidação do dopante Ce na matriz SnO2 Resistivity of the film deposited via sol-gel and oxidation state of Ce doping in SnO2 matrix

Cerâmica, 2011
Incorporação de Ce3+ ou Ce4+ em filmes finos de SnO2 depositados via sol-gel-dip-coating aumenta drasticamente a resistividade elétrica. No primeiro caso, temos comportamento aceitador do dopante, levando a matriz à alta compensação de carga.
L. V. A. Scalvi, T. F. Pineiz, M. A. L. Pinheiro, M. J. Saeki, V. Briois   +4 more
doaj   +3 more sources

Preparation and physical properties of a Cr3Al film with a DO3 structure

IUCrJ, 2019
A Cr3Al compound with a DO3 structure has previously been predicted to be nearly half metal and a promising spintronics material; however, its synthesis has not been reported.
W. Q. Zhao, X. F. Dai, X. M. Zhang, Z. J. Mo, X. T. Wang, G. F. Chen, Z. X. Cheng, G. D. Liu   +7 more
doaj   +1 more source

3D-electrical resistivity tomography monitoring of salt transport in homogeneous and layered soil samples [PDF]

, 2011
Monitoring transport of dissolved substances in soil deposits is particularly relevant where safety is concerned, as in the case of geo-environmental barriers.
A Binley, A Borsic, A Kemna, C Comina, C Comina, CAJ Appelo, CD Shackelford, Cesare Comina, CY Jiao, F Airoldi, Gabriele Della Vecchia, GE Archie, Guido Musso, JM Reynolds, RA Robinson, Renato Maria Cosentini, Sebastiano Foti, SM Hassanizadeh, VM Damasceno, Y Kirino   +19 more
core   +2 more sources

A Thermoelectric Performance Study of Layered Bi2TeI Weak Topological Insulator Materials

Energies, 2018
Topological insulators have been considered as promising thermoelectric materials because of their high electrical transport properties and low thermal conductivity.
Kaihua Tu, Ping Wei, Hongyu Zhou, Xin Mu, Wanting Zhu, Xiaolei Nie, Wenyu Zhao   +6 more
doaj   +1 more source

Electrical Transport Properties of Single-Layer WS2 [PDF]

, 2014
We report on the fabrication of field-effect transistors based on single and bilayers of the semiconductor WS2 and the investigation of their electronic transport properties.
Allain, Adrien, Dumcenco, Dumitru, Huang, Ying-Sheng, Kis, Andras, Ovchinnikov, Dmitry   +4 more
core   +2 more sources

Electrical capturing system for train supplying and involving parameters

Materials and Devices, 2022
Electric trains are powered by a current distribution device which depends on several parameters. The research works presented in this paper are located upstream of two types of important applications in the railway field: the electrical supply of trains
S. Ait Mohamed, Y. Gagou, B. Jonckheere, R. Bouzerar   +3 more
doaj   +1 more source

Performance Investigation of High-Speed Train OFDM Systems under the Geometry-Based Channel Model [PDF]

International Journal of Electronics and Telecommunications, 2021
The high-speed of train (HST) in combination with the high carrier frequency of HST systems leads to the severe inter carrier interference (ICI) in the HST orthogonal frequency division multiplexing (HST-OFDM) systems.
Do Viet Ha, Trinh Thi Huong, Nguyen Thanh Hai   +2 more
doaj   +1 more source