Results 71 to 80 of about 20,813,737 (316)

An improved YOLOv9-based method for identifying insulator temperature anomalies

open access: yesJournal of Engineering and Applied Science
Abnormal heating of transmission-line insulators is often an early indicator of impending faults. Timely and accurate identification of overheated regions in infrared imagery is therefore critical for the safe operation of power grids.
Cheng Chi   +5 more
doaj   +1 more source

MFIA-YOLO: A Small-Object Defect Detection Model for Transmission Line Spacers

open access: yesEnergies
UAV inspection images of transmission line spacers often contain small-scale defect targets, complex backgrounds, and weak fine-grained features. We propose MFIA-YOLO, a small-object defect detection model for spacer defects.
Jinlong Du   +7 more
doaj   +1 more source

Organoids in pediatric cancer research

open access: yesFEBS Letters, EarlyView.
Organoid technology has revolutionized cancer research, yet its application in pediatric oncology remains limited. Recent advances have enabled the development of pediatric tumor organoids, offering new insights into disease biology, treatment response, and interactions with the tumor microenvironment.
Carla Ríos Arceo, Jarno Drost
wiley   +1 more source

Multi-physics coupled temperature rise in GIS equipment with built-in optical fiber bundles

open access: yesJournal of Engineering and Applied Science
This study presents a novel multiphysics coupling analysis of a 220 kV gas-insulated switchgear(GIS)incorporating an embedded optical fiber bundle, with the key innovation lying in the systematic evaluation of the mutual compatibility between the ...
Jining Zhao   +3 more
doaj   +1 more source

Canonical high-power blazars [PDF]

open access: yesMonthly Notices of the Royal Astronomical Society, 2009
Revised version accepted for publication in ...
Ghisellini, G., Tavecchio, F.
openaire   +2 more sources

Gut microbiome and aging—A dynamic interplay of microbes, metabolites, and the immune system

open access: yesFEBS Letters, EarlyView.
Age‐dependent shifts in microbial communities engender shifts in microbial metabolite profiles. These in turn drive shifts in barrier surface permeability of the gut and brain and induce immune activation. When paired with preexisting age‐related chronic inflammation this increases the risk of neuroinflammation and neurodegenerative diseases.
Aaron Mehl, Eran Blacher
wiley   +1 more source

High power lasers

open access: yesEncyclopedia
High-power lasers play an important role in modern science, industry, and medicine. A signifi-cant milestone was reached on December 5, 2022, when Inertial Confinement Nuclear Fusion (ICF) achieved scientific breakeven, releasing more energy than the input laser energy. Additionally, Extreme Ultraviolet Lithography (EUVL) has enabled the development of
openaire   +2 more sources

Valosin‐containing protein counteracts ATP‐driven dissolution of FUS condensates through its ATPase activity in vitro

open access: yesFEBS Letters, EarlyView.
Biomolecular condensates formed by fused in sarcoma (FUS) are dissolved by high ATP concentrations yet persist in cells. Using a reconstituted system, we demonstrate that valosin‐containing protein (VCP), an AAA+ ATPase, counteracts ATP‐driven dissolution of FUS condensates through its D2 ATPase activity.
Hitomi Kimura   +2 more
wiley   +1 more source

Characterization of high-power lasers [PDF]

open access: yesSPIE Proceedings, 2010
This paper discusses methods for characterization of high power lasers. Specifically, these methods have been developed for the High Energy Laser Joint Technology Office and used for independent, government-sponsored testing in the 25 and 100 kW phases of the Joint High Power Solid State Laser program.
Edwards, Brian E., Slater, John M.
openaire   +3 more sources

The future of high power laser techniques

open access: yes, 2022
Paper 634602 (Pt.1)High Power Lasers have been used for years in corresponding applications. Constantly new areas and new processes have been demonstrated, developed and transferred to fruitful use in industry. With the advent of diode pumped solid state
Hoffmann, H.-D., Loosen, P., Poprawe, R.
core   +1 more source

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