mist filter
51Sulfuric acid — Sulfuric acid …
52Ultrasound — Not to be confused with Supersonic .Ultrasound is cyclic sound pressure with a frequency greater than the upper limit of human hearing. Although this limit varies from person to person, it is approximately 20 kilohertz (20,000 hertz) in healthy,… …
53Inductively coupled plasma mass spectrometry — ICP MS Instrument Acronym ICP MS Classification Mass spectrometry Analytes atomic and polyatomic species in plasma, with exceptions; usually inte …
54Hacktivism — (a portmanteau of hack and activism) is the use of computers and computer networks as a means of protest to promote political ends. The term was first coined in 1998 by a member of the Cult of the Dead Cow hacker collective. [1] If hacking as… …
55Silent Hill — nihongo| Silent Hill |サイレントヒル|Sairento Hiru is a survival horror video game franchise developed and published by Konami. As of 2008, most installments have been created by Team Silent with the exception of two titles, by Climax Studios and by… …
561 (disambiguation) — One is the number 1, and it may also refer to: 0.999..., a mathematical equivalent of 1 The year 1 A.D. One (pronoun), a personal pronoun in the English language 1 (number) 1 BC, the year before 1 AD 1 (New York City Subway service) Hydrogen,… …
57Vampyr — Infobox Film name = Vampyr caption = Original movie poster director = Carl Theodor Dreyer producer = Carl Theodor Dreyer Julian West writer = Sheridan Le Fanu (novel) Christen Jul Carl Theodor Dreyer starring = Julian West Maurice Schutz Rena… …
58Purified water — Bottle for Distilled water in the Real Farmacia in Madrid Purified water is water from any source that is physically processed to remove impurities. Distilled water and deionized (DI) water have been the most common forms of purified water, but… …
59Lead paint — is paint containing lead, a heavy metal, that is used as pigment, with lead(II) chromate (PbCrO4, chrome yellow ) and lead(II) carbonate(PbCO3, white lead ) being the most common. Lead is also added to paint to speed drying, increase durability,… …
60Coffee roasting — machine Light roasted coffee beans …
