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A low-pressure mercury-vapor discharge tube floods the inside of a biosafety cabinet with shortwave UV light when not in use, killing microbes on irradiated surfaces. Ultraviolet germicidal irradiation (UVGI) is a disinfection technique employing ultraviolet (UV) light, particularly UV-C (180–280 nm), to kill or inactivate microorganisms ...
In the United States, the terms "light" and "ultralight" often refer to backpackers who carry gear with a base weight below 6.8 and 4.5 kg (15 and 10 lb) respectively. These weights are more easily achievable for smaller hikers. Larger hikers may need to carry clothes, shelters, sleep systems and backpacks that weigh up to 50% more.
Intevac, Inc. (NASDAQ: IVAC) is a producer of thin film deposition systems and equipment for making hard disk drives. [2] It is headquartered in Santa Clara, California [3] in Silicon Valley. The company also has offices in China, Malaysia and Singapore. [4] Founded in 1991 as a spin-off from Varian Associates, Intevac went public in 1995. The ...
Halogen lamps with fused quartz envelopes are used as inexpensive UV light sources in the near UV range, from 400 to 300 nm, in some scientific instruments. Due to its black-body spectrum a filament light bulb is a very inefficient ultraviolet source, emitting only a fraction of a percent of its energy as UV, as explained by the black body ...
Owner's manuals usually cover three main areas: a description of the location and operation of all controls; a schedule and descriptions of maintenance required, both by the owner and by a mechanic; and specifications such as oil and fuel capacity and part numbers of light bulbs used. Current car owner's manuals have become much bigger in part ...
Pterodactyl Ascender ultralight vehicle An Ultraflight Lazair Sorrell Hiperlight Eipper Quicksilver. Ultralight aircraft exist outside of the United States. In most countries, ultralights are a class of aircraft.
The user interface of pumps usually requests details on the type of infusion from the technician or nurse that sets them up: . Continuous infusion usually consists of small pulses of infusion, usually between 500 nanoliters and 10 milliliters, depending on the pump's design, with the rate of these pulses depending on the programmed infusion speed.