Results 41 to 50 of about 1,737,634 (271)

Electrical Properties of Sunflower Achenes

open access: yesActa Technologica Agriculturae, 2014
This work contains the results of measuring the electrical properties of sunflower achenes. The interest in electrical properties of biological materials resulted in engineering research in this field. The results of measurements are used for determining
Novák Ján, Vitázek Ivan
doaj   +1 more source

Studies of electrical conductivity and magnetic properties of Bi1-xGdxFeO3 multiferroics [PDF]

open access: yesJournal of Advanced Dielectrics, 2014
The polycrystalline samples of Bi1-xGdxFeO3 (x = 0, 0.1, and 0.2) multiferroic oxides have been synthesized by a solid-state reaction/mixed oxide technique.
Samita Pattanayak   +2 more
doaj   +1 more source

Sustainable bioplastics manufacturing from renewable sources

open access: yesFEBS Open Bio, EarlyView.
Bioplastics are manufactured by using polymers from different bio‐based sources. These novel materials not only offer biodegradability but also possess various functional properties that make them suitable for diverse applications. Recent developments in the preparation of bioplastics are reported, highlighting the distinct properties of each type of ...
C. Valeria L. Giosafatto   +6 more
wiley   +1 more source

Comparison between the electrical properties of polyphenylacetylene and polyaminotriazole

open access: yesEgyptian Journal of Petroleum, 2014
The electrical properties of a polymer containing aromatic rings were compared with those of polyheterocyclic compound. Each segment of the polyheterocyclic compound contains three nitrogen atoms. Both polymers were prepared at the laboratory.
M. Yahia Abed   +4 more
doaj   +1 more source

Carbon Nanotubes as an Alternative to Copper Wires in Electrical Machines: A Review

open access: yesEnergies, 2023
The surge in electric vehicles (EVs) and their electrical appliances requires highly efficient, lightweight electrical machines with better performance.
Vigneselvan Sivasubramaniyam   +4 more
doaj   +1 more source

Finite element modeling of the neuron-electrode interface: stimulus transfer and geometry [PDF]

open access: yes, 1999
The relation between stimulus transfer and the geometry of the neuron-electrode interface can not be determined properly using electrical equivalent circuits, since current that flows from the sealing gap through the neuronal membrane is difficult to ...
Buitenweg, J.R.   +2 more
core   +3 more sources

Understanding bio‐based polymers: A study of origins, properties, biodegradation and their impact on health and the environment

open access: yesFEBS Open Bio, EarlyView.
This review provides an overview of bio‐based polymer sources, their unique functional properties and their environmental impact, and addresses their role as sustainable alternatives. It discusses end‐of‐life options, including composting and anaerobic digestion for renewable energy.
Sabina Kolbl Repinc   +8 more
wiley   +1 more source

Dielectrical and electrical properties of PVA-NaI composites

open access: yesIraqi Journal of Physics, 2019
                The electrical characteristics of polyvinyl alcohol PVA doped with different concentrations (0, 1, 2, 3 and 4wt%) of sodium  iodide NaI powder were studied. The films are prepared using solution casting technique, in order to investigate
Hussein Neama Najeeb
doaj   +1 more source

Heterogeneity in relation to electrical and mineralogical properties of hematitic sandstone samples

open access: yesApplied Water Science, 2020
Electrical properties of mixtures of composite materials are sensitive to texture between grains. Electrical measurements of hematite and sandstone composite mixture were performed in the frequency range (5 × 10−4 Hz–105 Hz).
Mohamed Mahmoud Gomaa
doaj   +1 more source

Enhanced optical and electrical properties of CeO2NPs/chitosan nanocomposites

open access: yesMaterials Research Express, 2022
Cerium oxide nanoparticles (CeO _2 NPs) of different ratios ( x  = 5, 10, 15, and 20 in wt %) are successfully incorporated into chitosan (CS) to synthesize CeO _2 NPs/CS nanocomposites by solution cast method.
Emad M Ahmed, Ali A Alkathiri
doaj   +1 more source

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