Results 131 to 140 of about 235,893 (331)
PLoS ONEBackgroundUnderstanding physical activity (PA) patterns in older adults is crucial for effectively promoting adherence to PA guidelines. However, measuring PA can be challenging because it involves a balance between ease of administration and accuracy of
Junhui Park +3 more
doaj +1 more source
Coherence‐Gated Mirau Interferometry for Single‐Shot Quantitative Phase Imaging and Motion Sensing
Laser &Photonics Reviews, EarlyView.This paper presents a compact add‐on module converting a Mirau or other on‐axis interferometer into a single‐shot quantitative phase imaging system using coherence gating and precise optical path matching. Demonstrations include time‐resolved imaging of human cells and streaming red blood cells, visualization of evaporation dynamics in liquid mixtures,
Petr Bouchal +4 more
wiley +1 more source
Toward Omni Healthcare: Wearable Technologies for Noncommunicable Disease Dynamic Monitoring
Medicine Bulletin, EarlyView.ABSTRACT Noncommunicable diseases (NCDs)—including cardiovascular disorders, cancers, chronic respiratory diseases, and diabetes—account for over 41 million annual deaths globally. Emerging wearable biosensor platforms, leveraging synergistic breakthroughs in nanostructured conductive polymers and laser‐scribed graphene architectures, enable continuous
Xiaoxing Wang +12 more
wiley +1 more source
Raw accelerometer data from neck-worn accelerometers for 7 new-born calves
, 2021 Alan F. Smeaton +2 more
openalex +1 more source
International Journal of Mechanical System Dynamics, EarlyView.ABSTRACT Modern engineering systems require advanced uncertainty‐aware model updating methods that address parameter correlations beyond conventional interval analysis. This paper proposes a novel framework integrating Riemannian manifold theory with Gaussian Process Regression (GPR) for systems governed by Symmetric Positive‐Definite (SPD) matrix ...
Yanhe Tao +3 more
wiley +1 more source
Kinetic Compensation of Barrel Launch Under High‐Speed Solid‐Phase Particulate Impacts
International Journal of Mechanical System Dynamics, EarlyView.ABSTRACT An accurate launch‐dynamics computational method is critical for barrel weapon service life assessment and multiphase physics field refinement. Given the lack of studies on the solid‐phase buildup behavior at the projectile base, this paper provides an improved method for calculating the launching dynamics under high pressure and high speed ...
Zhiyi He +3 more
wiley +1 more source
International Journal of Mechanical System Dynamics, EarlyView.ABSTRACT Understanding the dynamic behavior of structural components is crucial for optimizing performance and ensuring structural integrity. This study presents a new method that combines a systematic experimental investigation of four distinct hole geometries (circular, square, compact rectangular, and long rectangular) with varying hole counts, all ...
Amir Hossein Rabiee +3 more
wiley +1 more source
Recovering Differential Forces From the GRACE‐D Accelerometer
Earth and Space ScienceThe reduction of non‐gravitational accelerations through an onboard accelerometer is a vital part of accurately estimating gravity fields for Gravity Recovery and Climate Experiment (GRACE) Follow‐On (GRACE‐FO).
Nate Harvey +5 more
doaj +1 more source