color purity ring
41Campeonato mundial de los pesos pesados — Saltar a navegación, búsqueda El Campeonato mundial de los pesos pesados del boxeo es el que ha generado más estrellas y más mitos en este deporte, desde que Sullivan fuera el primero en proclamarse campeón del mundo con guantes, (fue el último… …
42Criticism of The Walt Disney Company — The Walt Disney Company s media releases and company practices have prompted action from activists, artists, and causes around the world. Contents 1 Criticism from special interest groups 1.1 Subliminal messages 2 Company officials …
43Silver — This article is about the chemical element. For the color, see Silver (color). For other uses, see Silver (disambiguation). palladium ← silver → cadmium …
44Hydrogen economy — The hydrogen economy is a proposed system of delivering energy using hydrogen. The term hydrogen economy was coined by John Bockris during a talk he gave in 1970 at General Motors (GM) Technical Center.[1] Hydrogen advocates promote hydrogen as… …
45Lapel pin — Lapel pins from North Korea A lapel pin is a small pin often worn on the lapel of a dress jacket. Lapel pins can be purely ornamental or can indicate the wearer s affiliation with an organization or cause; for example, American Flag lapel pins… …
46Organic chemistry — Structure of the methane molecule: the simplest hydrocarbon compound. Organic chemistry is a subdiscipline within chemistry involving the scientific study of the structure, properties, composition, reactions, and preparation (by synthesis or by… …
47Please Save My Earth — Infobox animanga/Header name = Please Save My Earth caption = Cover of the first volume ja name = ぼくの地球を守って ja name trans = Boku no Chikyū o Mamotte genre = science fiction, urban fantasyInfobox animanga/Manga title = author = Saki Hiwatari… …
48Diamond simulant — Due to its low cost and close visual likeness to diamond, cubic zirconia has remained the most gemologically and economically important diamond simulant since 1976. The high price of gem grade diamonds, as well as significant ethical concerns of… …
49Lataif-e-sitta — Drawing from Qur anic verses, virtually all Sufis distinguish Lataif as Sitta ( the six subtleties ): Nafs, Qalb, Sirr, Ruh, Khafi, and Akhfa. These lataif (singular: latifa) designate various psychospiritual organs or, sometimes, faculties of… …
50Silicon carbide — Chembox new Name = Silicon carbide ImageFile = Silicon carbide 3D balls.png ImageSize = 140px ImageName = Ball and stick model of part of a crystal of SiC ImageFile1 = silicon carbide detail.jpg ImageSize1 = 140px OtherNames = Section1 = Chembox… …
