Colloidal Thorium
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thorium — A radioactive metallic element; atomic no. 90, atomic wt. 232.0381. 232Th, the only naturally occurring nuclide, with a half life of 14 × 109 years, is used in colloidal form in electron microscopy as a … Medical dictionary
CT — aeronaut. abbr. Current Transformer biomed. abbr. Colloidal Thorium com. abbr. Control Transformer electr. abbr. Control Transformer metal. abbr. Cooling Tower phot. abbr Charge Transfer abbr. (magazin fuer) Computer Technik Syn: c t abbr.… … United dictionary of abbreviations and acronyms
chemical element — Introduction also called element, any substance that cannot be decomposed into simpler substances by ordinary chemical processes. Elements are the fundamental materials of which all matter is composed. This article considers the… … Universalium
Gold — This article is about the metal. For the color, see Gold (color). For other uses, see Gold (disambiguation). platinum ← gold → mercury … Wikipedia
Silver — This article is about the chemical element. For the color, see Silver (color). For other uses, see Silver (disambiguation). palladium ← silver → cadmium … Wikipedia
Glass — This article is about the material. For other uses, see Glass (disambiguation). Moldavite, a natural glass formed by meteorite impact, from Besednice, Bohemia … Wikipedia
Astatine — (pronEng|ˈæstətiːn) is a radioactive chemical element with the symbol At and atomic number 85. It is the heaviest of the discovered halogens. Characteristics This highly radioactive element has been confirmed by mass spectrometers to behave… … Wikipedia
Caesium — xenon ← caesium → barium Rb ↑ Cs ↓ Fr … Wikipedia
List of IARC Group 1 carcinogens — Substances, mixtures and exposure circumstances in this list have been classified by the IARC as Group 1: The agent (mixture) is carcinogenic to humans. The exposure circumstance entails exposures that are carcinogenic to humans. This category is … Wikipedia
métal — métal, aux [ metal, o ] n. m. • déb. XIIe; lat. metallum « métal, mine » 1 ♦ Corps simple, doué d un éclat particulier (éclat métallique), bon conducteur de la chaleur et de l électricité et formant, par combinaison avec l oxygène, des oxydes… … Encyclopédie Universelle
Rubidium — krypton ← rubidium → strontium K ↑ Rb ↓ … Wikipedia
