UV-RADIATION
Boundary conditions and new frontiers for Cognitive UV Radiation Theory
... of UV radiation (UVR) theory (Study ...increased UV radiation impairs socio-economic development, perhaps by reducing industriousness through oxidative stress, and the ensuing less- developed ...
13
Effect of annealing and UV radiation time over micropore architecture of self assembled block copolymer thin film
... Abstract. Block copolymers have been recognized as versatile materials to prepare nanoporous polymer films or mem- branes, but their potential has not been completely explored. This study focuses on the formation and ...
12
Simulation of mineral dust effects on UV radiation levels
... The background aerosol profiles were taken from WCRP [ 1986] models, whereas the radiative properties of mineral dust have been calculated from the aerosol size dist[r] ...
13
16603734
... to UV-B. Kinetic studies of all the processes demonstrated that the UV-B-induced structural changes in the enzymes/carriers could be respon- sible for uptake and assimilation of these nutri- ents (Rai et ...
12
guias de limites ICNIRP SOLAR
... of UV radiation, and to achieve changes in lifestyle that will arrest the trend towards more and more skin ...Solar UV Index should be an important element of an integrated and long-term public ...
18
16642685
... to UV radiation depends on the stage of the life history in brown and red macroalgae respectively, with a higher sensitivity found in microscopic ...to UV-B radiation than macro- scopic ...to ...
6
16666501
... of UV radiation (Häder & Figueroa, ...natural UV radiation on photosynthetic performance of red al- gae from this region (Häder et ...solar radiation depends on daily changes in ...
14
The influence of ultraviolet radiation on the colour of thermo-mechanically modified beech and oak wood
... The study showed that the most substantial changes in wood lightness occurred after 20 h of UV radiation exposure (Figure 2). After that time, the L* value change was linear. Tolvaj and Mitsui (2010) ...
14
DISEÑO E IMPLEMENTACIÓN DEL SISTEMA DE ESPECTROSCOPIA DE FOTOIMPEDANCIA ELÉCTRICA EN EL DESARROLLO DE SENSORES ÓPTICOS BASADOS EN MICROVARAS DE ZnO
... the UV - visible and near infrared was ...optical radiation using electrical photoimpedance spectroscopy ...UV radiation. This fact was associated with the proximity of this radiation ...
6
Effects of UV B radiation on anatomical characteristics, phenolic compounds and gene expression of the phenylpropanoid pathway in highbush blueberry leaves
... absorbing UV radiation in the Earth's atmosphere (Russell et al., 1996). UV-B radiation induces diverse morphological, physiological and molecular responses in plants (Casati and Walbot, 2003; ...
11
Mechanisms of Photoaging and Cutaneous Photocarcinogenesis, and Photoprotective Strategies with Phytochemicals.
... Carotenoids are pigments synthesized by plants and exhibit clear antioxidant action. They are mainly present in yellow or orange vegetables and fruits. They require additional fat for their absorption. B-carotene has ...
21
16643732
... solar UV ra- diation modifies the underwater irradiance spectrum and thus the proportions of UV-B, UV-A and PAR with ...of UV radiation are gen- erally a function of wavelength (Green ...
10
EFECTO DE DOS PROTECTORES UV EN EL COMPLEJO ESPORA CRISTAL DE Bacillus thuringiensis subsp israelensis MICROENCAPSULADO, SOBRE LA ACTIVIDAD LARVICIDA EN Aedes aegypti
... without UV photoprotector added and they were put in plastic containers of 1 liter capacity, which were filled with 500 mL of distilled water, all treatments were performed in triplicate and exposed to UV ...
56
Anlisis de la radiacin solar ultravioleta acumulada en Mxico
... radiación UV es el principal factor de riesgo ...dad UV en diversas regiones representativas del país, la dosis UV promedio anual de esas poblaciones y el beneficio potencial de la aplicación de un ...
6
Reducción de patógenos en agua de consumo y reutilizadas mediante aplicación de luz ultravioleta de bajo consumo
... Es importante señalar la baja potencia de emisión y eficiencia cuántica externa (EQE), para los dispositivos UV-LED basados en semiconductores, de bajas longitud de onda. Esta EQE es inferior al 10% cuando se ...
117
Elaboración y evaluación de la actividad fotocatalítica de un biocompuesto para su potencial aplicación en la degradación de hidrocarburos aromáticos policíclicos presentes en agua
... luz UV junto con 0,002g de biocompuesto, se preparó una solución de 1ppm con un estándar de HAP´s, y se colocó 10ml en 7 tubos por separado, en donde el primero fue analizado como concentración inicial del ...
83
Plan de negocios para la creación y puesta en marcha de la empresa Expertos en Autos
... tecnología UV para capas transparentes, Ultimate Protectant ofrece protección UV superior con brillo que dura más que los productos convencionales, creando un brillo rico y oscuro en las superficies ...
47
Síntesis de nanopartículas de polipirrol y análisis térmico por irradiación láser
... espectrofotómetro UV-Vis Genesis 10S, Thermo Scientific, Madison, (Wisconsin, USA) a soluciones de nanopartículas de polipirrol con diferentes concentraciones, con el fin de conocer en qué región se encuentra la ...
66
Efecto de la radiación ultravioleta UV B y UV A en plantas C4: estructura y ultraestructura
... Los resultados permiten apreciar el impacto de la radiación ultravioleta B sobre el peso seco. Las plantas control aumentan el peso seco mientras que la tendencia en plantas irradiadas es mantener el mismo peso o ...
152
Desarrollo de un tesauro bilingüe de terminología de radioterapia
... The control of this terminology is also practically impossible due to the large number of different medical devices. In this work, research is carried out into the specialised terminology used in radiotherapy medical ...
74