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  • Growth of GaN nanostructures with polar and semipolar orientations for the fabrication of UV LEDs
    The most common source of ultra - violet (UV) light is the mercury lamp , which is involved in a wide range of applications ( air and water purification, surface disinfection , medical procedures...).
  • Ni/Ag as low resistive ohmic contact to p-type AlGaN for UV LEDs
    Light-emitting diodes (LEDs) for the ultra - violet (UV) spectral range have attracted increasing attention in recent years … as UV curing, banknote counterfeit detection, medical instrumentation, photo catalytic air purification, and water disinfection .1 LED-based UV lamps allow compact and mobile…
  • Photo-oxidation of polypropylene fibers exposed to short wavelength UV radiations
    In a covered, open- air chamber at room temperature (25 ºC and 55 % relative humidity), samples of fibers were exposed to irradiation from two TUV 30W G30T8 Philips lamps . .... According to the manufacturer, the TUV disinfection lamps are low-pressure mercury-vapor discharge lamps emitting shortwave ultra violet radiation with a radiation peak at 253.7 nm (UV-C) for germicidal action and the ozone- forming radiations are filtered out.
  • Ultraviolet Air Disinfection in a Children's Hospital A Technical and Bacteriological Study 1
    Tests with sprayed bacteria showed an air disinfection by the lamps equivalent to 29–169 air changes per hour, corresponding to a relative increase, 6–30 times, in the disappearance rate of airborne bacteria without irradiation. .... Désinfection de l'air par les ultra ‐ violets dans un hôpital d'enfants.
  • Dosimetry of Room‐Air Germicidal (254 nm) Radiation Using Spherical Actinometry
    An epidemiolog- ic study of radiant disinfection of air in day schools. .... Perkins, J. E., A. M. Bahlke and H. F. Silverman (1947) Effect of ultra - violet irradiation of classrooms on spread of measles in large rural central schools. .... Alevantis, Y.-L. Chang and K. S. Liu (1992) Effect of ultraviolet germicidal lamps on airborne mi…
  • An ultra‐violet sterile storage cabinet for medical and dental use
    The bactericidal properties of ultra - violet lamps have been recognized for many years and such lamps find widespread use as a cheap and efficient method for reducing air -borne bacteria in operating rooms,'" food storage. .... disinfection by ultra-violet irradiation.
  • Inactivation of Staphylococcus aureus in Water by a Cold, He/O 2 Atmospheric Pressure Plasma Microjet
    Ultra - violet light has recently been adopted for disinfection of water. .... to build the nation’s largest ultraviolet water treatment facility— nearly 4 000 UV lamps are being installed .... In contrary to our previous study (where compressed air was used as working gas),[6] pre-mixture…
  • Handbook of Food Process Design, 2 Volume Set
    (2005) Pulsed ultra - violet inactivation spectrum of Escherichia coli. .... (1991) Treatment of contaminated water, air and soil with UV flashlamps. .... (2000) Disinfection with flash lamps .
  • States > Texas > State > Register > 2012 > [TexReg 2012-0210is] 02/10/2012
    (A) facial chair; (B) lighted magnifying glass; (C) woods lamp ; (D) dry sanitizer; (E) steamer machine; (F) brush machine for cleaning; (G) vacuum machine; (H) high frequency machine for disinfection , product penetration, stimulation; (I) galvanic machine for eliminating encrustations,. .... (A) an autoclave, dry-heat sterilizer or ultra - violet san-. .... file; (G) UV light curing system; (H) paraffin bath and paraffin wax; and (I) air brush system.
  • EcoPure disinfection - Lenntech
    • Cleaning/ disinfecting cooling towers. .... The Ecopure gas is produced by passing ambient air through a PVC capsule in which it is irradiated by a patented, spectrally controlled, ultra violet lamp .
  • Ultra‐Violet Disinfection of Sewage Effluents: A Pilot Study at Bellozanne, Jersey
    The pilot study simulated an open channel instal- lation using medium pressure ultra - violet lamps parallel to the direction of flow. .... Key words: Disinfection ; marine discharges; sewage effluent; UV irradiation. .... The Bellozanne works is based upon a conventional diffused- air activated-sludge process designed to achieve a…
  • Journal of the Brazilian Chemical Society - Inactivation of Escherichia coli in water by TiO2-assisted disinfection using solar light
    4 However, once the sunlight consists of about 3% ultra - violet light, an alternative means to improve the efficiency of process is to use a photocatalyst that is excitable by the energy of photons provided by sunlight. .... that initiate a sequence of reactions resulting in the destruction of pollutants in water, air and soil. .... spectrum as the source of energy for the oxidation of organic compounds and for the disinfection .1. .... as Lactobacillus acidophilus, Saccharomyces cerevisiae and Escherichia coli were irradiated with a halogen lamp for a period…
  • States > Texas > State > Register > 2011 > [TexReg 2011-1209is] 12/09/2011
    (10) If offering the esthetician curriculum the following equipment must be available in adequate number for student use: (A) facial chair; (B) lighted magnifying glass; (C) woods lamp ; (D) dry sanitizer; (E … high frequency machine for disinfection , product penetration, stimulation; (I .... (11) If offering the manicure curriculum the following equipment must be available in adequate number for student use: (A) an autoclave, dry-heat sterilizer or ultra - violet san. .... file; (G) UV light curing system; (H) paraffin bath and paraffin wax; and (I) air brush system.
  • States > Texas > State > Register > 2012 > 11/23/2012
    (A) facial chair; (B) lighted magnifying glass; (C) woods lamp ; (D) dry sanitizer; (E) steamer machine; (F) brush machine for cleaning; (G) vacuum machine; (H) high frequency machine for disinfection , product penetration, stimulation; (I) galvanic machine for eliminating encrustations,. .... (A) an autoclave, dry-heat sterilizer or ultra - violet san-. .... file; (G) UV light curing system; (H) paraffin bath and paraffin wax; and (I) air brush system.