Results 11 to 20 of about 7,175,511 (297)

A Compact Metamaterial Biosensor for Multi-Virus Detection With Tunability and High Incidence Angle Absorption

open access: yesIEEE Access, 2023
In this research, we introduce a metamaterial biosensor designed for the detection of various viruses. The proposed sensor configuration comprises four square split ring resonators (SRR) coupled with a central graphene ring.
Patri Upender   +4 more
doaj   +1 more source

Design of all dielectric metasurface methane sensor based on Fano resonance

open access: yesGong-kuang zidonghua, 2023
Compared with traditional methane sensors, metasurface methane sensors have advantages such as high sensitivity, stable performance, miniaturization, integration, and multi functional customizability.
LIU Hai   +7 more
doaj   +1 more source

Model-Based Optimization of Spiral Coils for Improving Wireless Power Transfer

open access: yesEnergies, 2023
Inductive wireless power transfer is a promising technology for powering smart wearable devices. The spiral coil shape is widely used in wireless power transfer applications.
Yosra Ben Fadhel   +4 more
doaj   +1 more source

A Resonant Pressure Microsensor with a Wide Pressure Measurement Range

open access: yesMicromachines, 2021
This paper presents a resonant pressure microsensor with a wide range of pressure measurements. The developed microsensor is mainly composed of a silicon-on-insulator (SOI) wafer to form pressure-sensing elements, and a silicon-on-glass (SOG) cap to form
Chao Xiang   +5 more
doaj   +1 more source

Influence of mechanical activation on synthesis and properties of the MgO-TiO2 system [PDF]

open access: yesScience of Sintering, 2007
Materials applied in electronics such as multilayer capacitors are an important field of ceramic materials. Magnesium titanate based dielectric materials are used for producing type-I capacitors.
Petrović Vera V.   +3 more
doaj   +1 more source

Considerations on a revision of the quality factor [PDF]

open access: yes, 1988
A modified analytical expression is proposed for the revised quality factor that has been suggested by a liaison group of ICRP and ICRU. With this modification one obtains, for sparsely ionizing radiation, a quality factor which is proportional to the ...
Hahn, K., Kellerer, Albrecht M.
core   +1 more source

Gaps in Hospice and Palliative Care Research: A Scoping Review of the North American Literature

open access: yesJournal of Aging Research, 2020
Background. The demand for hospice and palliative care is growing as a result of the increase of an aging population, which is most prominent in North America. Despite the importance of the topic and an increase in hospice and palliative care utilization,
Rebecca Antonacci   +10 more
doaj   +1 more source

Design of Single-Mode Single-Polarization Large-Mode-Area Multicore Fibers

open access: yesMicromachines, 2023
In laser science and industry, considerable effort is directed toward designing fibers for fiber laser and fiber amplifier applications, each of which offers a particular advantage over the others.
Kamyar Rashidi   +5 more
doaj   +1 more source

Improving the psychological evaluation of exercise referral: psychometric properties of the Exercise Referral Quality of Life Scale [PDF]

open access: yes, 2015
There is a growing need to assess the psychological outcomes of exercise referral and the National Institute of Health and Care Excellence has called for the routine assessment of life-quality.
Bauman AE   +28 more
core   +2 more sources

Development of Filter Media by Electrospinning for Air Filtration of Nanoparticles from PET Bottles

open access: yesMembranes, 2021
Air pollution and solid pollution are considered global problems, and endanger human health mainly due to the emission of fine particulate matter released into the atmosphere and improper disposal of post-consumer plastic bottles. Therefore, it is urgent
Daniela P. F. Bonfim   +3 more
doaj   +1 more source

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