Results 31 to 40 of about 1,595,436 (304)

Towards Self-Adaptability of Instrumented Electromagnetic Energy Harvesters

open access: yesMachines, 2022
Motion-driven electromagnetic energy harvesting is a well-suited technological solution to autonomously power a broad range of autonomous devices. Although different harvester configurations and mechanisms have been already proposed to perform effective ...
Pedro M. R. Carneiro   +3 more
doaj   +1 more source

Transformations of Tonality: A Longitudinal Study of Yodeling in the Muotatal Valley, Central Switzerland [PDF]

open access: yesAnalytical Approaches to World Music, 2020
This paper examines the transformation of tonalities in the Central Switzerland village of Muotatal, a small region attracting the focus of ethnomusicologists for harboring and conserving a unique style of yodel, called juuz.
Wey, Yannick
doaj  

What is a Natural SUSY scenario? [PDF]

open access: yes, 2015
The idea of "Natural SUSY", understood as a supersymmetric scenario where the fine-tuning is as mild as possible, is a reasonable guide to explore supersymmetric phenomenology.
Casas, J. Alberto   +4 more
core   +4 more sources

On the Trade-Off Between Quality Factor and Tuning Ratio in Tunable High-Frequency Capacitors [PDF]

open access: yes, 2009
A benchmark of tunable and switchable devices at microwave frequencies is presented on the basis of physical limitations to show their potential for reconfigurable cellular applications.
Hueting, R.J.E.   +4 more
core   +3 more sources

Direct optical observation of walls and disclination effects in active photonic devices

open access: yes, 2009
Liquid crystal tunable Bragg Gratings defined in planar substrates via a laser patterning technique exhibit complex wavelength tuning. This tuning displays threshold points and hysteresis. These tuning features are shown to be a manifestation of physical
Adikan, F.R.M.   +7 more
core   +1 more source

Controlled tuning of whispering gallery modes of GaN/InGaN microdisk cavities [PDF]

open access: yes, 2011
Controlled tuning of the whispering gallery modes of GaN/InGaN {\mu}-disk cavities is demonstrated. The whispering gallery mode (WGM) tuning is achieved at room temperature by immersing the {\mu}-disks in water and irradiating with ultraviolet (UV) laser.
Aharonovich, Igor   +8 more
core   +2 more sources

Protein microarray-based profiling of salivary IgA antibodies against human proteins in COVID-19 patients with depressive symptoms

open access: yesScientific Reports
To understand the pathophysiology and etiology of COVID-19 patients with depressive symptoms, we investigated the presence of autoantibodies associated with neurological sequelae using salivary IgA antibody profiling in COVID-19 patients with depressive ...
Yuichi Hikichi, Kohei Kunieda
doaj   +1 more source

Thermo–Optic Tuning of Integrated Polymethyl Methacrylate Sphere Whispering Gallery Mode Resonator

open access: yesIEEE Photonics Journal, 2016
Tuning of an integrated polymethyl methacrylate (PMMA) sphere whispering gallery mode (WGM) resonator is demonstrated. The WGM resonator is constructed by inserting a PMMA sphere into an etched microstructured fiber with suspended core, where the sphere ...
Leilei Shi   +3 more
doaj   +1 more source

Clinical Insights Into Hypercalcemia of Malignancy in Childhood

open access: yesPediatric Blood &Cancer, EarlyView.
ABSTRACT Hypercalcemia of malignancy (HCM) is a rare but life‐threatening metabolic emergency in children that occurs in less than 1% of pediatric cancer cases, with a reported incidence ranging from 0.4% to 1.0% across different studies. While it is observed in 10%–20% of adult malignancies, pediatric HCM remains relatively uncommon.
Hüseyin Anıl Korkmaz
wiley   +1 more source

PD/PID controller tuning based on model approximations: Model reduction of some unstable and higher order nonlinear models [PDF]

open access: yesModeling, Identification and Control, 2017
A model reduction technique based on optimization theory is presented, where a possible higher order system/model is approximated with an unstable DIPTD model by using only step response data.
Christer Dalen, David Di Ruscio
doaj   +1 more source

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