Results 21 to 30 of about 119,088 (294)

Heat and Charge Transport Properties of MgB2 [PDF]

, 2001
A polycrystalline sample of the MgB_2 superconductor was investigated by measurements of the electrical resistivity, the thermopower and the thermal conductivity in the temperature range between 1.8K and 300K in zero magnetic field.
Alexander Gladun, Axel Handstein, Barnard, Blatt, Boaknin, Budko, Canfield, Dieter Lipp, Finnemore, Fisher, Gladun, Günter Fuchs, Helge Rosner, Jorgensen, Jung, Kaiser, Karl-Hartmut Müller, Lampakis, Liu, Manuel Richter, Matthias Schneider, Muranaka, Muranaka, Nagamatsu, Peter Zahn, Putti, Rathnayaka, Schneider, Sera, Stefan-Ludwig Drechsler   +29 more
core   +3 more sources

Preparation and studying Structural and Electrical properties of nano Co3O4

Tikrit Journal of Pure Science, 2019
In this study (Cobalt oxide) nano powder prepared using sol-gel method with a crystallite size 22 nm By testing XRD  and by matching with card (JCPDS) files No.( 00-042-1467).
Nawar Thamer Mohammed, Wasfi Mohammed Kadem   +1 more
doaj   +1 more source

Thermal conductivity and electrical transport properties of double-A-layer MAX phase Mo2Ga2C

Materials Research Letters, 2020
The present study reports the thermal conductivity and electrical transport properties of Mo2Ga2C, which is the first member of double-A-layer MAX phases. Dense bulk samples of Mo2Ga2C were prepared by vacuum hot pressing.
Sen Jin, Taichao Su, Qianku Hu, Aiguo Zhou   +3 more
doaj   +1 more source

A Brief Review on the Electrical Resistivity Of Aluminium Alloy and its Nanoparticles at Low Temperature

Computational and Experimental Research in Materials and Renewable Energy, 2022
The objective of this review article is to study the resistivity of aluminium alloy at low temperatures. Various articles have been thoroughly studied for this review. Alloys that contain Al as dominant metal are termed as Al alloys.
Inzamam Khalid
doaj   +1 more source

Theoretical and Numerical Study on Electrical Resistivity Measurement of Cylindrical Rock Core Samples Using Perimeter Electrodes

Energies, 2021
The estimation of hydraulic and mechanical properties of bedrock is important for the evaluation of energy-related structures, including high-level nuclear waste repositories, hydraulic fracturing wells, and gas-hydrate production wells.
Ji-Won Kim, Chang-Ho Hong, Jin-Seop Kim, Song-Hun Chong   +3 more
doaj   +1 more source

Performance of Electrical Spectroscopy using a Resper Probe to Measure the Salinity and Water Content of Concrete or Terrestrial Soil [PDF]

, 2011
This paper discusses the performance of electrical spectroscopy using a RESPER probe to measure the salinity s and volumetric content {\theta}W of the water in concrete or terrestrial soil.
Settimi, A.
core   +4 more sources

Estimation of electrical resistivity of conductive materials of random shapes

Electrical engineering & Electromechanics, 2023
Introduction. Electrical resistivity is an important material characteristic in the field of electrical engineering and material science. There are several methods that can be used to measure resistance, like the 4-wire method which relates the ...
Š. Gans, J. Molnár, D. Kováč
doaj   +1 more source

Estimation of the hydraulic parameters of unsaturated samples by electrical resistivity tomography [PDF]

, 2012
In situ and laboratory experiments have shown that electrical resistivity tomography (ERT) is an effective tool to image transient phenomena in soils. However, its application in quantifying soil hydraulic parameters has been limited.
Bear J., Brooks R. H., Comina C., Comina C., Corey A. T., Dalla E., Deiana R., G. DELLA VECCHIA, G. MUSSO, Hadamard J., Hillel A. C., Hopmans J. W., Lee J. Y., Menke W., Michot D., Mitchell J. K., R.M. COSENTINI, Reynolds J. M., Romero E., S. FOTI, Santamarina J. C., Singha K., Tikhonov A. N., Vanderborght J.   +23 more
core   +1 more source

Thermal Conductivity, Electrical Resistivity, and Thermoelectric Power of Graphite [PDF]

Physical Review, 1953
The thermal conductivity, electrical resistivity, and thermoelectric power have been measured in the temperature range from 20\ifmmode^\circ\else\textdegree\fi{}K to 300\ifmmode^\circ\else\textdegree\fi{}K for samples of artificial extruded graphite, natural molded graphite, and lampblack graphite.
W. W. Tyler, A. C. Wilson
openaire   +3 more sources

Hydraulic Conductivity of Saturated Soil Medium through Time-Domain Reflectometry

Sensors, 2020
Time-domain reflectometry (TDR) has been extensively used to study soil behaviors. The objective of this study is to propose a method for measuring hydraulic conductivity using TDR. The dielectric constant deduced from TDR is influenced by the electrical
Seungjae Lee, Hyung-Koo Yoon
doaj   +1 more source