Results 31 to 40 of about 2,627,966 (379)

Viscous absorption of ultra-high-frequency gravitons

Physics Letters B, 2022
The high-frequency gravitons can be absorbed by the first and second viscosities of the post-inflationary plasma as the corresponding wavelengths reenter the Hubble radius prior to big-bang nucleosynthesis.
Massimo Giovannini
doaj   +1 more source

Investigating the presence and detectability of structural peripheral arterial changes in children with well-regulated type 1 diabetes versus healthy controls using ultra-high frequency ultrasound: a single-centre cross-sectional and case-control study. [PDF]

EClinicalMedicine
Bergdahl E, Forsander G, Sundberg F, Milkovic L, Dangardt F.   +4 more
europepmc   +2 more sources

Chemical polarization effects of electromagnetic field radiation from the novel 5G network deployment at ultra high frequency

Health technology, 2021
The wide-spectrum of non-ionizing, non-visible radiation emitted from the novel 5G network deployment was investigated and found liable to produce effects capable of heating up and altering human body nomenclature.
Ugochukwu O. Matthew, J. S. Kazaure
semanticscholar   +1 more source

Ultra-High-Frequency Ultrasound in the Evaluation of Paediatric Pilomatricoma Based on the Histopathologic Classification

Frontiers in Medicine, 2021
Background: Pilomatricoma (PM) is one of the most common benign tumours in children. However, the inaccuracy of preoperative diagnosis and evaluation is high.
Li Li, Jiaosheng Xu, Siwei Wang, Jun Yang   +3 more
semanticscholar   +1 more source

Ultra-High Frequency rectification using organic diodes [PDF]

2008 IEEE International Electron Devices Meeting, 2008
In the present work, we demonstrate a plastic diode that can operate in the ultra-high frequency (UHF) band and rectify an incoming AC voltage at those frequencies.
Steudel, Soeren, Myny, Kris, Vicca, Peter, Cheyns, David, Genoe, Jan, Heremans, Paul   +5 more
openaire   +1 more source

The Econometrics of Ultra-high-frequency Data [PDF]

Econometrica, 2000
Summary: Ultra-high-frequency data is defined to be a full record of transactions and their associated characteristics. The transaction arrival times and accompanying measures can be analyzed as marked point processes. The ACD point process developed by \textit{R. F. Engle} and \textit{J. R. Russell} [Econometrica 66, No.
openaire   +1 more source

Lumped element balanced multi-band bandstop filter for ultra high frequency applications

The Journal of Engineering, 2020
An ultra-compact multi-band balanced (differential) bandstop filter (BSF) topology with all lumped elements has been introduced for the first time in this study.
Dubari Borah, Thottam S. Kalkur
doaj   +1 more source

Dynamics of perpendicular recording heads [PDF]

, 2001
3D modeling and inductance measurements were used to design an ultra-high frequency perpendicular system. Kerr microscopy and spin-stand experiments with focused ion beam (FI-B) trimmed perpendicular heads and perpendicular media directly verified the ...
Bain, J., Chantrell, R.W., Chomko, R., Khizroev, S., Litvinov, D., Svedberg, E., White, R., Wolfson, J.   +7 more
core   +1 more source

Terahertz photoconductive emitter with dielectric-embedded high-aspect-ratio plasmonic grating for operation with low-power optical pumps

AIP Advances, 2019
We report on the design, optimization and fabrication of a plasmon-assisted terahertz (THz) photoconductive antenna (PCA) for THz pulse generation at low-power optical pumps.
D. V. Lavrukhin, A. E. Yachmenev, I. A. Glinskiy, R. A. Khabibullin, Y. G. Goncharov, M. Ryzhii, T. Otsuji, I. E. Spector, M. Shur, M. Skorobogatiy, K. I. Zaytsev, D. S. Ponomarev   +11 more
doaj   +1 more source

Anti-collision Algorithm of Ultra High Frequency RFID Based on Time Slot Grouping [PDF]

Jisuanji gongcheng, 2018
The traditional Dynamic Framed Slot ALOHA(DFSA) algorithm easily brings the waste of time slot.What is more,the Q value is adjusted slowly.Therefore the throughput of Radio Frequency Identification(RFID) system is lower.Aiming at this problem,based on ...
HE Weijian,LU Jiangcheng,ZHOU Canyu,LIANG Yongxin,YANG Jian
doaj   +1 more source