Results 91 to 100 of about 2,187,801 (282)

Feasibility and Tolerability of Performing Portable MRI for Neurological Disorders in an Outpatient Neurology Clinic: A Prospective Cohort

open access: yesAnnals of Clinical and Translational Neurology, EarlyView.
ABSTRACT Background Accessing brain magnetic resonance imaging (MRI) can be challenging, especially for underserved patients, which may lead to disparities in neurological diagnosis. Method This mixed‐methods study enrolled adults with one of four neurological disorders: mild cognitive impairment or dementia of the Alzheimer type, multiple sclerosis ...
Maya L. Mastick   +19 more
wiley   +1 more source

The ozone radiative forcing of nitrogen oxide emissions from aviation can be estimated using a probabilistic approach

open access: yesCommunications Earth & Environment
Reliable prediction of aviation’s environmental impact, including the effect of nitrogen oxides on ozone, is vital for effective mitigation against its contribution to global warming.
Pratik Rao   +6 more
doaj   +1 more source

Axle Load Identification of Moving Vehicles Based on Influence Lines of Bridge Bending Moment

open access: yesNonlinear Engineering, 2014
This research aims at the identification of time varying axle load of moving vehicles though the determinations of influence lines of bridge bending moment.With the approach of this research, based on the theorem of modal superposition, the modal
Qian C.Z., Chen C.P, Hong L., Dai L. M.
doaj   +1 more source

Recent Langley helicopter acoustics contributions [PDF]

open access: yes
The helicopter acoustics program at NASA Langley has included technology for elements of noise control ranging from sources of noise to receivers of noise. The scope of Langley contributions for about the last decade is discussed.
Morgan, Homer G.   +2 more
core   +1 more source

Fluid Biomarkers of Disease Burden and Cognitive Dysfunction in Progressive Supranuclear Palsy

open access: yesAnnals of Clinical and Translational Neurology, EarlyView.
ABSTRACT Objective Identifying objective biomarkers for progressive supranuclear palsy (PSP) is crucial to improving diagnosis and establishing clinical trial and treatment endpoints. This study evaluated fluid biomarkers in PSP versus controls and their associations with regional 18F‐PI‐2620 tau‐PET, clinical, and cognitive outcomes.
Roxane Dilcher   +10 more
wiley   +1 more source

Fast active noise control algorithmfor car exhaust noise control

open access: yesElectronics Letters, 2000
Since the frequency and propagation characteristics of engine exhaust noise are dependent on the engine rotational speed, an adaptive noise control algorithm should have fast convergence features. An effective active noise control (ANC) system based on the lattice-structure adaptive filter is developed for the control of car exhaust noise.
Hyuck-Jae Lee   +3 more
openaire   +1 more source

Physical and subjective studies of aircraft interior noise and vibration [PDF]

open access: yes
Measurements to define and quantify the interior noise and vibration stimuli of aircraft are reviewed as well as field and simulation studies to determine the subjective response to such stimuli, and theoretical and experimental studies to predict and ...
Leatherwood, J. D., Stephens, D. G.
core   +1 more source

Functional and Structural Evidence of Neurofluid Circuit Aberrations in Huntington Disease

open access: yesAnnals of Clinical and Translational Neurology, EarlyView.
ABSTRACT Objective Disrupted neurofluid regulation may contribute to neurodegeneration in Huntington disease (HD). Because neurofluid pathways influence waste clearance, inflammation, and the distribution of central nervous system (CNS)–delivered therapeutics, understanding their dysfunction is increasingly important as targeted treatments emerge.
Kilian Hett   +8 more
wiley   +1 more source

Structure–Function Decoupling of the Sensorimotor and Default Mode Networks in Black Americans With MS

open access: yesAnnals of Clinical and Translational Neurology, EarlyView.
ABSTRACT Background and Objectives Multiple sclerosis (MS) exhibits racially disparate rates of disease progression. Black people with MS (B‐PwMS) experience a more severe disease course than non‐Hispanic White people with MS (NHW‐PwMS). Here we investigated structural and functional connectivity as well as structure–function decoupling in the ...
Emilio Cipriano   +11 more
wiley   +1 more source

Nonlinear Active Noise Control

open access: yes, 2004
Publication in the conference proceedings of EUSIPCO, Viena, Austria ...
SICURANZA, GIOVANNI, A. CARINI
openaire   +3 more sources

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