Results 41 to 50 of about 1,121,994 (368)
Vacuum-ultraviolet photodetectors
High-performance vacuum-ultraviolet (VUV) photodetectors are of great significance to space science, radiation monitoring, electronic industry and basic science.
Lemin Jia, Wei Zheng, Feng Huang
semanticscholar +1 more source
Solar-blind ultraviolet-C persistent luminescence phosphors
Visible-light and infrared-light persistent phosphors are extensively studied and are being used as self-sustained glowing tags in darkness. In contrast, persistent phosphors for higher-energy, solar-blind ultraviolet-C wavelengths (200–280 nm) are ...
Xianli Wang+3 more
semanticscholar +1 more source
Changes in Ultraviolet Absorption of Sunscreens After Ultraviolet Irradiation [PDF]
The incidence of skin cancer is increasing rapidly and sunscreens have been recommended in order to reduce damage from sunlight. In this investigation we have studied the change in the absorption spectrum of some photoactive organic species in sunscreens after ultraviolet A and ultraviolet B irradiation in a dose normally encountered during a full day ...
Nils Tarras-Wahlberg+5 more
openaire +2 more sources
Spectral Behaviour and Flaring Activity of II Peg in the Ultraviolet [PDF]
We have investigated the spectral behaviour of II Peg binary system in the ultraviolet band by using International Ultraviolet Explorer observations over fifteen years. The ultraviolet observations show indication of flare activity in the chromosphere and transition region with their enhanced spectral lines.
arxiv +1 more source
A new upper rim-functionalized benzoyl C-phenylcalix[4]resorcinaryl octaacetate and cinnamoyl C-phenylcalix[4]resorcinarene have been synthesized and evaluated as the absorbers for ultraviolet radiation.
Budiana I Gusti M. Ngurah+4 more
doaj +1 more source
Modelling ultraviolet threats [PDF]
Electro-optically (EO) guided surface to air missiles (SAM) have developed to use Ultraviolet (UV) wavebands supplementary to the more common Infrared (IR) wavebands.
James, Itor
core +1 more source
Ultraviolet Behavior of Non-Abelian Gauge Theories
It is shown that a wide class of non-Abelian gauge theories have, up to calculable logarithmic corrections, free-field-theory asymptotic behavior. It is suggested that Bjorken scaling may be obtained from strong-interaction dynamics based on non-Abelian ...
D. Gross, F. Wilczek
semanticscholar +1 more source
Ultraviolet-Protected Inflation [PDF]
In natural inflation, the inflaton is a pseudo-Nambu-Goldstone boson which acquires a mass by explicit breaking of a global shift symmetry at scale f. In this case, for small field values, the potential is flat and stable under radiative corrections.
Germani, Cristiano, Kehagias, Alex
openaire +3 more sources
This paper presents a silicon ultraviolet radiation sensor with over 90% UV internal quantum efficiency (QE) and high selectivity to the UV waveband without using optical filters.
Yhang Ricardo Sipauba Carvalho da Silva+2 more
doaj +1 more source
Coupling adsorption by NiO nanopowder with UV/H2O2 process for Cr(VI) removal [PDF]
Chromium enters surface and ground waters through the wastewater of electroplating, textile, metallurgical, dye production, and other industries, leading to numerous adverse health effects.
Majid Hashemi+7 more
doaj +1 more source