Search results
Results from the WOW.Com Content Network
A germicidal lamp (also known as disinfection lamp or sterilizer lamp) is an electric light that produces ultraviolet C (UVC) light. This short-wave ultraviolet light disrupts DNA base pairing , causing formation of pyrimidine dimers , and leads to the inactivation of bacteria , viruses , and protozoans .
Unlike conventional germicidal UV-C lamps, which are limited to upper-room (above people's heads [8]) pathogen inactivation or use in unoccupied spaces due to their negative effects on human skin and eyes, far-UVC is considered promising for whole-room pathogen inactivation due to its enhanced safety. This allows for the installation of far-UVC ...
Lamp age or fouling or outages (reduction in UV intensity) Bulbs require periodic cleaning and replacement to ensure effectiveness. The lifetime of germicidal UV bulbs varies depending on design. Also, the material that the bulb is made of can absorb some of the germicidal rays. Lamp cooling under airflow can also lower UV output.
Germicidal lamps are simple low-pressure mercury vapor discharges in a fused quartz envelope. Gas-discharge lamps are a family of artificial light sources that generate light by sending an electric discharge through an ionized gas, a plasma. Typically, such lamps use a noble gas (argon, neon, krypton, and xenon) or a mixture of these gases.
The lamp's electrodes are typically made of coiled tungsten and are coated with a mixture of barium, strontium and calcium oxides to improve thermionic emission. A germicidal lamp uses a low-pressure mercury-vapor glow discharge identical to that in a fluorescent lamp, but the uncoated fused quartz envelope allows ultraviolet radiation to transmit.
Maybe some light would get in, too, but they were specifically marketed as ozone lamps. Gah4 23:28, 28 March 2020 (UTC) Ozone lamps, such as OZ4S11 were used in dryers, are in this catalog on real page 65, or PDF page 67. They can be used in series with a 40W lamp or with an inductive ballast. Gah4 03:54, 1 April 2020 (UTC)
1945 is a 2017 Hungarian drama film directed by Ferenc Török [2] and co-written by Török and Gábor T. Szántó.It concerns two Jewish survivors of the Holocaust who arrive in a Hungarian village in August 1945, and the paranoid reactions of the villagers, some of whom fear that these and other Jews are coming to reclaim Jewish property.
Hungarian cinema began in 1896, when the first screening of the films of the Lumière Brothers was held on the 10th of May in the cafe of the Royal Hotel of Budapest.In June of the same year, Arnold and Zsigmond Sziklai opened the first Hungarian movie theatre on 41 Andrássy Street named the Okonograph, where they screened Lumière films using French machinery.