Results 81 to 90 of about 4,455,887 (219)

Non-Destructive Detection of Rebar Buried in a Reinforced Concrete Wall with Wireless Passive SAW Sensor

open access: yesMeasurement Science Review, 2013
In order to reduce the damage to the old reinforced concrete walls and work out the best construction scheme during the renovation of old buildings, it is often required to detect the position of rebar buried in concrete walls.
Fan Yanping   +3 more
doaj   +1 more source

Omnidirectional Shape Proprioception for Untethered Shape Memory Alloy‐Driven Soft Robotic Arms

open access: yesAdvanced Intelligent Systems, Volume 8, Issue 9, September 2026.
A lightweight, modular soft robotic arm employs SMA actuation and a multi‐Hall‐magnet sensing system to achieve accurate omnidirectional shape proprioception. Each 35 g segment enables scalable assembly, while robust proprioception supports versatile navigation and manipulation in complex, unstructured environments.
Yiming Ouyang   +7 more
wiley   +1 more source

A comprehensive multilevel model meta-analysis of self-concept interventions

open access: yes, 2006
The efficacy of self-concept interventions has previously been examined through traditional meta-analytic methods, and a host of moderators of intervention outcomes have been identified (O’Mara, Marsh, & Craven, 2004; Haney & Durlak, 1998; Hattie, 1992).
Craven, Rhonda   +2 more
core  

Hemodynamic Modeling and Phase‐Adjustable Reconstruction of Hyperpolarized Cardiac 13C MRS Using 1H Cine and ECG Timing

open access: yesMagnetic Resonance in Medicine, Volume 96, Issue 3, Page 1054-1065, September 2026.
ABSTRACT Purpose To deconvolve cardiac phase and hemodynamic effects in hyperpolarized (HP) [1‐13C]pyruvate and to develop a cardiac phase‐adjustable reconstruction framework. Methods Cardiac phase drift during dynamic acquisition of HP 13C MRS and its effect on dynamic signal fidelity were simulated using a digital cardiac phantom. A hemodynamic model
Sung‐Han Lin   +5 more
wiley   +1 more source

Body image and self-concept in adolescent girls

open access: yes, 2006
Anorexia Nervosa has been recently recognized as one of the most common chronic illnesses that affects the female adolescent population today. Although there has been an abundance of research into eating disorders in a variety of fields, significant ...
Halse, Christine   +3 more
core  

Complex demodulation and double demodulation

open access: yes, 1979
A method to complex demodulate signals with amplitude and phase slowly varying with time is proposed. In a first step, classic demodulation is applied that provides a good approximation of the phase sequence and a fair approximation of the amplitude ...
J. De Prins   +3 more
core   +1 more source

Fiber Bragg Grating Force Sensors for Minimally Invasive Surgery: State of the Art, Challenges, and Opportunities

open access: yesSmartBot, Volume 2, Issue 3, September 2026.
This article reviews the application of fiber Bragg grating (FBG) technology for precise force sensing in minimally invasive surgery. It outlines the fundamental working principles and algorithms used to interpret sensor data. The text surveys clinical applications across various medical fields, such as ophthalmology and vascular intervention (Table of
Shiyuan Dong   +9 more
wiley   +1 more source

Support for a reciprocal effects model of self-concept and academic achievement through a contrast of multidimensional and unidimensional approaches

open access: yes, 2006
There is a longstanding debate in the self-concept literature surrounding the causal ordering of self-concept and academic achievement. Some researchers have argued that self-esteem has no positive impact upon performance (Baumeister, Campbell, Krueger &
Marsh, Herbert W., O'Mara, Alison J.
core  

BGS Distribution Deformation in BOTDR Induced by Self-Phase Modulation

open access: yesPhotonic Sensors
We report the numerical and experimental studies of the two-dimensional Brillouin gain spectrum (BGS) distribution deformation induced by the self-phase modulation in the Brillouin optical time domain reflectometry (BOTDR) with a 20.6 km sensing distance.
Haoting WU   +5 more
doaj   +1 more source

Investigating self-concept and health-related quality of life

open access: yes, 2006
Health-related quality of life has been an important topic of research in diverse fields such as medicine, nursing, community service provision and psychology.
Dowson, Martin   +2 more
core  

Home - About - Disclaimer - Privacy