Results 131 to 140 of about 329,670 (339)
Objective: To compare heart rate variability in negative and positive responders to active phase of head-up tilt test. Study Design:Cross-sectional comparative study.
Sara Naeem +3 more
doaj
Summary of a flight-test evaluation of the CL-84 tilt-wing V/STOL aircraft [PDF]
Flight test evaluation of second generation CL-84 tilt-wing aircraft in hover, transition, and cruise ...
Champine, R. A. +2 more
core +1 more source
The Postural Tachycardia Syndrome (POTS): Pathophysiology, Diagnosis & Management [PDF]
Postural tachycardia syndrome (POTS), characterized by orthostatic tachycardia in the absence of orthostatic hypotension, has been the focus of increasing clinical interest over the last 15 years 1. Patients with POTS complain of symptoms of tachycardia,
Raj, Satish R
core +1 more source
This article describes the preparation and characterization of poly(ε‐caprolactone) electrospun composite fibers incorporating sol‐gel‐derived bioactive glass particles doped with B and Cu. Scanning electron microscopy, energy‐dispersive X‐ray spectroscopy, Fourier‐transform infrared spectroscopy, contact angle, acellular bioactivity, mechanical and ...
Elisa Piatti +5 more
wiley +1 more source
Flight researh at NASA Ames Research Center: A test pilot's perspective [PDF]
In 1976 NASA elected to assign responsibility for each of the various flight regimes to individual research centers. The NASA Ames Research Center at Moffett Field, California was designated lead center for vertical and short takeoff and landing, V/STOL ...
Hall, G. Warren
core +1 more source
Greatly exaggerated blood pressure responses to tilt table testing in hypertensives with neurocardiogenic syncope [PDF]
A Babaev
openalex +1 more source
This study investigates laser shock peening for enhancing fatigue performance of riveted aerospace aluminum joints. A comparative approach with cold expansion combines fatigue testing and synchrotron X‐ray methods. Integrating mechanical testing with residual stress and strain characterization provides insights into how different treatments affect the ...
Ogün Baris Tapar +6 more
wiley +1 more source
Introduction Syncope is a sudden, brief loss of consciousness with rapid spontaneous recovery, caused by transient global cerebral hypoperfusion. Among various causes of syncope, the most common are reflex mechanisms, particularly vasovagal syncope ...
Dmytro A. Tymoshenko +2 more
doaj +1 more source
Gravito-Inertial Force Resolution in Perception of Synchronized Tilt and Translation [PDF]
Natural movements in the sagittal plane involve pitch tilt relative to gravity combined with translation motion. The Gravito-Inertial Force (GIF) resolution hypothesis states that the resultant force on the body is perceptually resolved into tilt and ...
Holly, Jan +2 more
core +1 more source
A Twist in the Diagnosis: Chronic Arthropathy Without Inflammation
Arthritis Care &Research, EarlyView.
María Á. Puche‐Larrubia +3 more
wiley +1 more source

