Results 61 to 70 of about 7,901 (306)
Sources of error in UV radiation measurements
Journal of Research of the National Institute of Standards and Technology, 2001 Increasing commercial, scientific, and technical applications involving ultraviolet (UV) radiation have led to the demand for improved understanding of the performance of instrumentation used to measure this radiation. There has been an effort by manufacturers of UV measuring devices (meters) to produce simple, optically filtered sensor systems to ...
Larason, Thomas C. +1 more
openaire +2 more sources
Advanced Engineering Materials, EarlyView.This review highlights advances in lightweight, lead‐free polymer nanocomposites for diagnostic X‐ray shielding. By linking filler chemistry, dispersion, architecture, and photon interaction mechanisms, it establishes structure–performance relationships guiding material design.
Aklilu G. Messele +2 more
wiley +1 more source
Frontiers in Plant Science, 2019 We studied the acclimation modalities of bryophytes to sun and shade under ambient or close-to-ambient conditions, measuring variables usually influenced by photosynthetically active (PAR) and ultraviolet (UV) radiations. Our aim was to elucidate to what
Gonzalo Soriano +4 more
doaj +1 more source
Comparison of Triply Periodic Minimal Surface Energy Absorbers Under Uniaxial Compressive Loading
Advanced Engineering Materials, EarlyView.This study investigates LCD 3D printed Triply Periodic Minimal Surface (TPMS) structures as mechanical energy absorbers. By comparing various base designs and layered combinations under uniaxial compression, it identifies that a Diamond‐Gyroid sandwich structure offers superior performance.
Sergej Grednev +2 more
wiley +1 more source
APPLICATIONS OF ULTRAVIOLET RADIATIONS IN DYEING PROCESSES OF YARNS AND FABRICS [PDF]
, 2014 Not dyed wool yarns and fabrics were treated by ultraviolet radiations, using a medium pressure Hg lamp, in order to obtain a modification onto fibre surface.
Migliavacca, Gianluca +5 more
core +1 more source
A Comparison of Ultraviolet Transmission through Soft Contact Lenses Available in Iranian Market
Majallah-i Dānishgāh-i ̒Ulūm-i Pizishkī-i Qum, 2014 Background and Objectives: Long-time erexposure to ultraviolet radiations can lead to various skin and ocular diseases. UV-blocking contact lenses due to their properties against ultraviolet radiations can protect eyes. The present study aimed to compare
Mohadeseh Mohammadinia +3 more
doaj
Effect of UV Ageing on the fatigue life of bulk polyethylene
MATEC Web of Conferences, 2018 Polymers operating in various weathering conditions must be assessed for lifetime performance. Particularly, ultraviolet (UV) radiations alters the chemical structure and therefore affect the mechanical and fatigue properties.
Lamnii Hamza +5 more
doaj +1 more source
Analytical Characterization and Antimicrobial Activity of Bismuth Nanoparticles Synthesized Using Laser Ablation Technique [PDF]
Engineering and Technology Journal, 2018 Bismuth nanoparticles were synthesized using laser ablation technique by focusing solid bismuth target in distilled deionized water by 1064 nm and 532 nm laser radiations generated by Q-switched pulsed Nd:YAG laser, respectively.
Abdul Hadi Judran
doaj +1 more source
Laser‐Induced Graphene from Waste Almond Shells
Advanced Functional Materials, EarlyView.Almond shells, an abundant agricultural by‐product, are repurposed to create a fully bioderived almond shell/chitosan composite (ASC) degradable in soil. ASC is converted into laser‐induced graphene (LIG) by laser scribing and proposed as a substrate for transient electronics.
Yulia Steksova +9 more
wiley +1 more source
Investigation into ultraviolet radiations from modern electric light sources
, 2017 Due to concerns of increasing electrical energy demand and government regulations, traditional incandescent lamps are being replaced by energy-efficient lamps, such as compact fluorescent lamps (CFLs) and light emitting diodes (LEDs).
Khandakar, Amith +3 more
core +1 more source