Results 21 to 30 of about 441,292 (304)

The Effect of Ultraviolet Wavelength on Corrosion Behavior of 7075 Aluminum Alloy in the Marine Atmospheric Environment

open access: yesInternational Journal of Chemical Engineering, 2021
The influence of ultraviolet rays on the corrosion behavior of 7075 aluminum alloy in the marine atmosphere was studied by salt spray corrosion test. Electrochemical methods and surface analysis techniques were used to analyze and compare the corrosion ...
Yanyu Cui   +3 more
doaj   +1 more source

Reagent composition and procedures for ultraviolet rays and color methods.

open access: yes, 2022
Reagent composition and procedures for ultraviolet rays and color methods.
Kazu Hatanaka (13104442)   +9 more
core   +1 more source

An Ecological Study Indicates the Importance of Ultraviolet A Protection in Sunscreens

open access: yesActa Dermato-Venereologica, 2021
The use of sunscreens is recommended to limit the impact of sun exposure on the skin. The objective of this study was to examine the relationship between sunscreen sales and melanoma in 4 different countries with diverse sunscreen regulations.
Samar Merhi   +6 more
doaj   +1 more source

UV protection of cotton: The influence of weaving structure [PDF]

open access: yesHemijska Industrija, 2005
Due to the depletion of the ozone layer, shorter but high energy UV-B rays and longer energy UV-A rays causing known skin aging and recently the formation of skin malignant neoplasm are reaching the surface of earth. The paper deals with the influence of
Grancarić Ana Marija   +2 more
doaj   +1 more source

Multicolor sensing of organic-inorganic hybrid heterostructure: From visible to invisible colors

open access: yesMaterials Today Advances, 2023
Photodetection of organic-inorganic hybrid heterostructures from visible to invisible ultraviolet and infrared rays is revisited with respect to their material properties aspect, device structure, and emerging applications.
Somi Kim, Subin Lee, Hocheon Yoo
doaj   +1 more source

Ultraviolet-Assisted Modified Delignified Wood with High Transparency

open access: yesApplied Sciences, 2022
The substrate of solar cells with high haze, transparent, flexible, green and low coatings will be needed in the future. This paper reports a method for ultraviolet-assisted delignification of wood in an alkaline solution environment to improve the ...
Xiaoli Chen   +7 more
doaj   +1 more source

Sunburns among beachgoers in the northern coast of Peru: frequency and factors associated [PDF]

open access: yesPeerJ, 2021
Background Overexposure to ultraviolet (UV) radiation has increased skin cancer incidence and the risk of sunburns, especially during the summer months.
Eliana L. Fernandez-Quiroz   +5 more
doaj   +2 more sources

The influence of galactic cosmic rays on ion-neutral hydrocarbon chemistry in the upper atmospheres of free-floating exoplanets [PDF]

open access: yes, 2014
The authors highlight financial support of the European Community under the FP7 by an ERC starting grant.Cosmic rays may be linked to the formation of volatiles necessary for prebiotic chemistry.
P. B. Rimmer   +5 more
core   +1 more source

Formation of fatty acid esterified vitamin D3 in rat skin by exposure to ultraviolet radiation

open access: yesJournal of Lipid Research, 1983
The formation of fatty acid esters of vitamin D3 was demonstrated in rat skin exposed to artificial ultraviolet rays by using multi-dimensional high-performance liquid chromatography, ultraviolet spectrophotometry, and gas-liquid chromatography-mass ...
K Takada
doaj   +1 more source

THE ULTRAVIOLET RAYS IN THE TREATMENT OF CHILBLAIN [PDF]

open access: yesJournal of the American Medical Association, 1919
Chilblain, or erythema pernio, is a form of erythema that appears in the late fall and winter months in individuals with a poor peripheral circulation and a disturbed vasomotor mechanism. In the mild cases there is merely a slight dusky or dark red discoloration of the regions with feeble peripheral circulation, as the tip of the nose, the lobes of the
openaire   +2 more sources

Home - About - Disclaimer - Privacy