mercury vapor
41Mercury (planet) — Mercury  ☿ …
42Vapor barrier — 6 mil Polyethylene plastic sheet as vapor barrier between insulation and gypsum board …
43vapor — I. noun Etymology: Middle English vapour, from Anglo French vapor, from Latin, steam, vapor Date: 14th century 1. diffused matter (as smoke or fog) suspended floating in the air and impairing its transparency 2. a. a substance in the gaseous… …
44Sodium vapor lamp — A sodium vapor lamp is a gas discharge lamp which uses sodium in an excited state to produce light. There are two varieties of such lamps: low pressure and high pressure . Low pressure sodium Low pressure sodium (LPS) lamps, also known as sodium… …
45low pressure mercury arc lamp — an ultraviolet radiation lamp having a low vapor pressure, low amperage, high voltage, and a glow discharge; more than 95 per cent of its emission is ultraviolet C in the mercury vapor resonance emission line at 254 nm. In the treatment of skin… …
46Atmosphere of Mercury — Atmosphere of Mercury[1] Species CD,[n 1] cm−2 SD,[n 2] cm−3 …
47Sailor Mercury — Sailor Moon character Ami in her Super Sailor Mercury form as seen in the anime. First appearance (See below) …
48The Mercury Program — For the Mercury space project, see Project Mercury. The Mercury Program Origin Gainesville, Florida, USA Genres Post Rock, Instrumental rock Years active 1997–present …
49high pressure mercury arc lamp — an ultraviolet radiation lamp having a high vapor pressure with high intensity light because of linear spectral emissions in many wavelength ranges; used as a source of ultraviolet B for treating dermatologic disorders. See also Goeckerman… …
50Dental amalgam controversy — Dental amalgam filling The dental amalgam controversy refers to the conflicting views over the use of amalgam as a filling material mainly because it contains the element mercury. The concern centers on the health effects of toxicity or allergy… …
