Results 31 to 40 of about 28,652 (314)

Investigation on distribution of electro-thermal coupling fields influenced by HVDC bushing insulation properties

open access: yesFrontiers in Energy Research, 2022
Bushing is an indispensable component in high voltage direct current (HVDC) transmission project. As the main insulating material possesses poor thermal conductivity and negative temperature coefficient (NTC) electrical resistivity, HVDC bushing suffers ...
Chenyuan Teng   +6 more
doaj   +1 more source

Preparation and properties of expanded graphite modified hydrogenated styrene-butadiene-styrene block copolymer/polypropylene elastomers

open access: yesHecheng xiangjiao gongye, 2023
Hydrogenated styrene-butadiene-styrene block copolymer/polypropylene elastomers were modified with expanded graphite (EG) and nano-Fe3O4 intercalated EG respectively, the effects of amount of EG and nano-Fe3O4 intercalated EG on the tensile properties ...
GAO Wen-tong1, ZHANG Bo1, HUANG Yu-an1, CHEN Shao2, HAN Bing1
doaj   +1 more source

Electrical properties of Sb and Cr-doped PbZrO3-PbTiO3-PbMg1/3Nb2/3O3 ceramics [PDF]

open access: yes, 2003
The pyroelectric, dielectric and DC resistive properties of Sb and Cr-doped ceramics with a base composition of Pb(Mg1/3Nb2/3)0.025(Zr0.825Ti0.175)0.975O3 have been studied. Sb doping has been shown to produce a linear reduction in Curie temperature (TC=−
Molter, O.   +2 more
core   +1 more source

Synthesis of SnO2 for Thermoelectric Applications Using the Hydrothermal, Co-precipitation, and Co-Precipitation Sonication Methods [PDF]

open access: yesE3S Web of Conferences
Tin oxide (SnO2) holds promise in thermoelectric applications. The paper explores the preparation of SnO2 nanoparticles by employing various methods.
Azzahra Izzatunnisa   +4 more
doaj   +1 more source

Eddy current measurement of the electrical conductivity and porosity of metal foams. [PDF]

open access: yes, 2006
This paper presents experimental results characterizing the electrical properties of metallic foams, a relatively new class of material, using nondestructive eddy current sensing techniques.
Ma, Xiandong   +2 more
core   +1 more source

Improved hydrogeophysical characterization using joint inversion of cross-hole electrical resistance and ground-penetrating radar traveltime data. [PDF]

open access: yes, 2006
Appropriate regularizations of geophysical inverse problems and joint inversion of different data types improve geophysical models and increase their usefulness in hydrogeological studies.
Revil, Andre   +7 more
core   +1 more source

The Analysis of the Thermal and Dielectric Properties of High Voltage Insulating Materials with the Addition of Aluminium Oxide [PDF]

open access: yesArchives of Metallurgy and Materials, 2018
This article describes the influence of thermal and dielectric properties of materials to properties of electrical insulating systems in high voltage electrical equipment.
T. Tomášková   +3 more
doaj   +1 more source

Preparation and studying Structural and Electrical properties of nano Co3O4

open access: yesTikrit 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   +1 more
doaj   +1 more source

Scatter-limited conduction in printed platinum nanofilms [PDF]

open access: yes, 2015
It is demonstrated that thin platinum films may be deposited onto smooth glass substrates using a materials printer and a propriety organometallic ink.
Abdolvand, A.; id_orcid   +4 more
core   +1 more source

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

open access: yes, 2011
Monitoring transport of dissolved substances in soil deposits is particularly relevant where safety is concerned, as in the case of geo-environmental barriers.
Cosentini, Renato Maria   +13 more
core   +1 more source

Home - About - Disclaimer - Privacy