Results 71 to 80 of about 551,974 (297)

Self-starting passive phase conjugate mirror with Ce-doped strontium barium niobate [PDF]

open access: yes, 1987
We report the use of Ce-doped SrxBa1−xNb2O6, x=0.60 and 0.75, as the holographic four-wave mixing medium in the construction of a self-starting passive phase conjugate mirror using internal reflection. Without correcting for Fresnel reflections, a steady-
Neurgaonkar, Ratnakar R.   +3 more
core   +1 more source

Sarilumab in Polyarticular‐Course Juvenile Idiopathic Arthritis: Dose‐Finding and 1‐Year Analysis of a Phase 2b, Open‐Label, Multicenter Study

open access: yesArthritis Care &Research, EarlyView.
Objective This study assessed sarilumab in treating patients with polyarticular‐course juvenile idiopathic arthritis (pcJIA). Methods This phase 2b, open‐label study (NCT02776735) consisted of three sequential parts (each with a core‐treatment and extension phase).
Fabrizio De Benedetti   +19 more
wiley   +1 more source

Design of a Novel Nine-Phase Ferrite-Assisted Synchronous Reluctance Machine with Skewed Stator Slots

open access: yesEnergies
This paper proposes a novel nine-phase ferrite-assisted synchronous reluctance machine (FA-SynRM) featuring skewed stator slots to address challenges related to harmonic distortion, torque ripple, and material sustainability which are prevalent in ...
Hongliang Guo   +4 more
doaj   +1 more source

Interferometric method for determining the sum of the flexoelectric coefficients (e1+e3) in an ionic nematic material [PDF]

open access: yes, 2008
The time-dependent periodic distortion profile in a nematic liquid crystal phase grating has been measured from the displacement of tilt fringes in a Mach-Zehnder interferometer.
A. A. T. Smith   +5 more
core   +1 more source

Biopsychosocial determinants of hand function and its trajectories over five years in patients with hand osteoarthritis

open access: yesArthritis Care &Research, Accepted Article.
Objectives This study aimed to investigate hand function trajectories over 5 years in primary hand osteoarthritis. Additionally, determinants of baseline and longitudinal hand function were assessed. Methods 538 patients with both baseline and 5‐year study visits were analyzed.
Annemiek V.E.M. Olde Meule   +4 more
wiley   +1 more source

An Active Track and Hold Circuit With Linearity Enhancement Technique and Its Analysis Using Volterra Series

open access: yesIEEE Access
This paper presents a comprehensive analysis of active track and hold (T/H) circuits that utilize switched source followers and time-divided post-distortion cancellation.
Junyoung Jang   +2 more
doaj   +1 more source

Magnetoelastic nature of solid oxygen epsilon-phase structure

open access: yes, 2007
For a long time a crystal structure of high-pressure epsilon-phase of solid oxygen was a mistery. Basing on the results of recent experiments that have solved this riddle we show that the magnetic and crystal structure of epsilon-phase can be explained ...
A. S. Borovik-Romanv   +9 more
core   +1 more source

Filter based phase distortions in extracellular spikes

open access: yesPLOS ONE, 2017
Extracellular recordings are the primary tool for extracting neuronal spike trains in-vivo. One of the crucial pre-processing stages of this signal is the high-pass filtration used to isolate neuronal spiking activity. Filters are characterized by changes in the magnitude and phase of different frequencies.
Dorin Yael, Izhar Bar-Gad
openaire   +4 more sources

Artificial Intelligence in Systemic Sclerosis: Clinical applications, challenges, and future directions

open access: yesArthritis Care &Research, Accepted Article.
Systemic sclerosis (SSc) is a rare autoimmune disease defined by immune dysregulation, vasculopathy, and progressive fibrosis of the skin and internal organs. Despite advances in care, major complications such as interstitial lung disease (ILD) and myocardial involvement remain the leading causes of morbidity and mortality.
Cristiana Sieiro Santos   +2 more
wiley   +1 more source

Nonlinear distortion analysis for multisine excitation constrained by power spectral density

open access: yesJournal of Measurement Science and Instrumentation, 2016
Nonlinear distortion introduced by an amplifier when subjected to a multisine excitation decreases the measurement accuracy in many metrological and measurement areas.In this paper,we performed qualitative and quantitative analyses of the nonlinear ...
ZHOU Kun-li, QU Ji-feng, ZHOU Zhen-yu
doaj  

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