Mostrando 7,301 - 7,320 Resultados de 8,243 Para Buscar '"LAMP"', tiempo de consulta: 0.21s Limitar resultados
  1. 7301
    “…Germicidal lamps that primarily emit 254 nm ultraviolet (UV) radiation have been effectively utilized for surface sterilization, but they cannot be used on human skin and eyes due to their harmful and genotoxic activity. …”
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  2. 7302
  3. 7303
  4. 7304
  5. 7305
    “…In this research, the effect of solar irradiance on Chlorella vulgaris cultivated in open bioreactors under greenhouse conditions was investigated, as well as of ratio of light intensity in the 420–520 nm range to light in the 580–680 nm range (I(420–520)/I(580–680)) and of artificial irradiation provided by red and white LED lamps in a closed flat plate laboratory bioreactor on the growth rate and composition. …”
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  6. 7306
    “…In comparison with fluorescent lamps, LED illumination (particularly the 70/30 red/blue ratio with 34 µmol m(−2) s(−1) PPF intensity) allowed optimal manipulation and improved the quality of in-vitro micropropagated olive plants.…”
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  7. 7307
    “…Grolux tubes are compared with a combination of monochromatic LED lamps calibrated to provide a spectral emission, and light irradiance values similar to those generated by the previous discharge lamps, achieving in both cases wide uniformity of radiation conditions on the shelves of the culture cabins. …”
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  8. 7308
    “…Numerous test models are used to study UV mutagenicity; some include special lamps, cell cultures and mathematical modeling. Mercury lamps are affordable and useful sources of UV-C light due to their emission at near the maximum absorption peak of nucleic acids. …”
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  9. 7309
  10. 7310
    “…In recent decades, a shift has been seen in the use of light-emitting diodes over incandescent lights and compact fluorescent lamps (CFL), which eventually led to an increase in wastes of electrical equipment (WEE), especially fluorescent lamps (FLs) and CFL light bulbs. …”
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  11. 7311
    “…In current KrCl* excimer lamps usually a dichroic filter is used to suppress these undesired longer wavelengths. …”
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  12. 7312
  13. 7313
    “…These solid-state LED lamps, rather than organic light emitting diode (OLED) or polymer light-emitting diode (PLED), have a number of advantages over conventional incandescent bulbs and halogen lamps, such as high efficiency to convert electrical energy into light, reliability and long operating lifetime. …”
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  14. 7314
  15. 7315
  16. 7316
  17. 7317
  18. 7318
    “…We have performed the same measurements on DNA fibers with ICLs induced by exposure of psoralen to UVA lamps. Remarkably, we find little difference in the adduct distribution on fibers prepared from cells exposed to the different treatment protocols. …”
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  19. 7319
    “…One potential solution is Krypton Chloride (KrCl) excimer lamps (often referred to as Far-UVC), which can efficiently inactivate pathogens, such as coronaviruses and influenza, in air. …”
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  20. 7320
    “…Aim: to evaluate the effectiveness of near-UV LED ceiling lamps, with a wavelength of 405 nm, in improving environmental hygiene. …”
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