Results 91 to 100 of about 1,414,688 (255)
THz QCL - Based active imaging applied to composite materials diagnostic [PDF]
, 2010 This paper presents a CW raster-scanning THz imaging setup, used to perform Non-Destructive Testing of Kevlar and carbon fibre samples. The setup uses a 2.5 THz Quantum Cascade Laser as a source.
Barbieri, Stefano +4 more
core +1 more source
Hot‐Injection‐Free Silicon Nanocrystals Realize Record‐Breaking Sustainable QD LEDs
The Chemical Record, EarlyView.Silicon quantum dots are a safe and sustainable nanocrystal material that can be used in applications ranging from solar windows, upconversion, photodynamic therapy, and plant growth technologies. In our laboratory and others, recent advances have meant that the optical performance of these materials and the devices made from them has increased such ...
Ken‐ichi Saitow
wiley +1 more source
SN Applied Sciences, 2020 An innovative active thermography technique is proposed for the inspection of typical wind blade material. The proposed technique is based on the use of a multifunctional material obtained adding a grid of Shape Memory Alloy wires, which would serve also
Marta De Giorgi +2 more
doaj +1 more source
Portable Radar for Noncontact Heart Rate Monitoring and Estrus Detection in Dairy Cows
IEEJ Transactions on Electrical and Electronic Engineering, EarlyView.This study introduces a portable radar system for real‐time monitoring of respiratory and heart rates in dairy cows. It uses millimeter‐wave Frequency Modulated Continuous Wave (FMCW) radar to perform noncontact physiological sensing, reducing behavioral disturbance. The radar system's design prioritizes portability, cost‐effectiveness, and robustness,
Yingxiu Li +7 more
wiley +1 more source
Sensors, 2020 In bridge structures worldwide, carbon fiber-reinforced polymer (CFRP) sheets are applied to strengthen weak components, especially concrete girders that are at a high risk of rapid degradation during the bridge’s operation owing to impacts from the ...
Van Ha Mac +4 more
doaj +1 more source
Intentionally Carbon-Doped AlGaN/GaN HEMTs:Necessity for Vertical Leakage Paths [PDF]
, 2014 Dynamic ON-resistance (RON) in heavily carbon doped AlGaN/GaN high electron mobility transistors is shown to be associated with the semi-insulating carbon-doped buffer region.
Caesar, Markus +6 more
core +3 more sources
IEEJ Transactions on Electrical and Electronic Engineering, Volume 21, Issue 3, Page 413-420, March 2026.Heart rate variability (HRV) has been analyzed to assess the effects of food on autonomic nervous activity, but HRV is reportedly influenced by respiration. Reducing respiratory artifacts in HRV analysis requires respiratory signals. In this study, we estimated respiratory signals from electrocardiogram (ECG), compared these signals with actual ...
Ryota Akai +4 more
wiley +1 more source
Condition Monitoring of Wind Turbine Blades Using Active and Passive Thermography
Applied Sciences, 2018 The failure of wind turbine blades is a major concern in the wind power industry due to the resulting high cost. It is, therefore, crucial to develop methods to monitor the integrity of wind turbine blades.
Hadi Sanati, David Wood, Qiao Sun
doaj +1 more source
FRP-to-masonry bond durability assessment with infrared thermography method [PDF]
, 2014 The bond behavior between FRP composites and masonry substrate plays an important role in the performance of externally bonded reinforced masonry structures. Therefore, monitoring the bond quality during the application and subsequent service life of a
B Ghiassi +26 more
core +2 more sources
Fatigue &Fracture of Engineering Materials &Structures, Volume 49, Issue 3, Page 906-917, March 2026.ABSTRACT This study, which focused on overlapping heat‐welded joints comprising aluminum alloy and carbon fiber reinforced polymer (CFRP) prepared by friction stir spot welding (FSSW), clarifies the fatigue properties of such joints under various loading types to apply this joining technology.
Yuki Ogawa +7 more
wiley +1 more source