- hafnium ore
- гафнийсодержащая руда
English-Russian mining dictionary. В.П. Манышев.
English-Russian mining dictionary. В.П. Манышев.
Hafnium(IV) chloride — IUPAC name Hafnium(IV) chloride Hafnium tetrachloride … Wikipedia
Hafnium — lutetium ← hafnium → tantalum Zr ↑ Hf ↓ Rf … Wikipedia
Rare earth element — Rare earth ore, shown with a United States penny for size comparison These rare … Wikipedia
Actinide — The atomic bomb dropped on Nagasaki had a plutonium charge.[1] The actinide or actinoid (IUPAC nomenclature) series encompasses the 15 metallic chemical elements with atomic numbers from 89 to 103, actinium thro … Wikipedia
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
niobium processing — Introduction preparation of the ore for use in various products. Niobium (Nb) has a body centred cubic (bcc) crystal structure and a melting point of 2,468° C (4,474° F). Of the refractory metals, it has the lowest density and best… … Universalium
Titanium — This article is about the chemical element. For other uses, see Titanium (disambiguation). scandium ← titanium → vanadium … Wikipedia
Dictionary of chemical formulas — This is a list of chemical compounds with chemical formulas and CAS numbers, indexed by formula. This complements alternative listings to be found at list of inorganic compounds, list of organic compounds and inorganic compounds by element. Table … Wikipedia
Dirk Coster — (October 5, 1889– February 12, 1950), was a Dutch physicist. He was a Professor of Physics and Meteorology at the University of Groningen. Coster was born in Amsterdam. On February 26, 1919, he married Lina Maria Wijsman, who held a degree in… … Wikipedia
Iron — Fe redirects here. For other uses, see Fe (disambiguation). This article is about the chemical element. For other uses, see Iron (disambiguation). manganese … Wikipedia
Chromium — This article is about the chemical element. For other uses, see Chromium (disambiguation). vanadium ← chromium → manganese ↑ Cr ↓ Mo … Wikipedia