Zobrazeno 1 - 10
of 7 463
pro vyhledávání: '"Dielectric permittivity"'
Publikováno v:
Information Processing in Agriculture, Vol 11, Iss 3, Pp 397-408 (2024)
The purpose of the current study is to investigate the qualitative characterization of nine different pure vegetable oil samples using dielectric spectroscopy which is a vastly resourceful and reasoned technique in the temperature range 0 ℃ to 25
Externí odkaz:
https://doaj.org/article/90c7096700564773a82280ffb7d0ee67
Publikováno v:
IEEE Access, Vol 12, Pp 87864-87872 (2024)
In this work, a small planar microwave sensor based on a band-stop filter is proposed for measuring the relative permittivity of the materials. The operation frequency of the presented sensor is 2.24 GHz. It is composed of a microstrip line and an M-
Externí odkaz:
https://doaj.org/article/36c4a89570a14c5cab5f58cfe3fd4a73
Publikováno v:
Nanophotonics, Vol 13, Iss 5, Pp 763-771 (2024)
Blackbody radiation is incoherent and omnidirectional, whereas various novel applications in renewable energy require a degree of directional control of a thermally emitted beam. So far, such directional control has required nano-structuring the surf
Externí odkaz:
https://doaj.org/article/17878c43c4a04001beda00fe0d02430b
Akademický článek
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Autor:
Eugen Mircea Anitas, Andrei Munteanu, Michal Sedlacik, Ioan Bica, Lenka Munteanu, Jaroslav Stejskal
Publikováno v:
Results in Physics, Vol 61, Iss , Pp 107768- (2024)
In this work, two magnetorheological suspensions composed of polypyrrole nanorods decorated with magnetite nanoparticles and suspended in silicone oil were studied as electrical devices. The electrical devices (EDs) were fabricated in a unique cell u
Externí odkaz:
https://doaj.org/article/45a0d1075964494cbb6a9bab362a72cd
Publikováno v:
Физико-химические аспекты изучения кластеров, наноструктур и наноматериалов, Iss 15, Pp 246-254 (2023)
The work is devoted to investigation of the influence of the technology for producing potassium sodium niobate ceramics with an acceptor impurity Ti4+ on its structure and dielectric properties. The aim of the work was to determine ways to obtain a s
Externí odkaz:
https://doaj.org/article/ff1aaea57b40401bbecd1f895cf3c3b1
Publikováno v:
Nanocomposites, Vol 9, Iss 1, Pp 203-214 (2023)
AbstractIn our investigation of poly(vinylidene fluoride) (PVDF) films embedded with Au-BaTiO3 (AuBT) nanoparticles, we noted a synergistic improvement in both thermal stability and dielectric properties. PVDF films with varying concentrations of AuB
Externí odkaz:
https://doaj.org/article/697ac89a6c7649ee857456ce2e48d711
Autor:
Anna Futa, Magdalena Jastrzębska, Magdalena Paśnikowska-Łukaszuk, Elżbieta Wośko, Zbigniew Suchorab
Publikováno v:
Advances in Sciences and Technology, Vol 17, Iss 5, Pp 326-336 (2023)
The paper presents the models for moisture evaluation using a set of the reflectometric sensors in some types of building materials. The readouts reveal the relationship between the building material moisture, being assessed gravimetrically and the a
Externí odkaz:
https://doaj.org/article/a37e1c504a0d45b08c7d20327fe22410
Publikováno v:
Materials, Vol 17, Iss 16, p 3941 (2024)
This study aims to develop low-cost, eco-friendly, and circular economy-compliant composite materials by creating three types of magnetorheological suspensions (MRSs) utilizing lard, carbonyl iron (CI) microparticles, and varying quantities of gelati
Externí odkaz:
https://doaj.org/article/14ccdae340084c97b23631d55dc7631f
Autor:
Maxim Sychov, Xingyu Guan, Sergey Mjakin, Lyubov Boridko, Nikolay Khristyuk, Marina Gravit, Semen Diachenko
Publikováno v:
Nanomaterials, Vol 14, Iss 14, p 1232 (2024)
Two ranges of dielectric permittivity (k) increase in polymer composites upon the modification of BaTiO3 filler with multiwalled carbon nanotubes (MWCNTs) are shown for the first time. The first increase in permittivity is observed at low MWCNT conte
Externí odkaz:
https://doaj.org/article/2e4068f488694de1bc554af7aa00aadb