- bismuth removal
- Смотри Обезвисмучивание.
Энциклопедический словарь по металлургии. — М.: Интермет Инжиниринг. Главный редактор Н.П. Лякишев. 2000.
Энциклопедический словарь по металлургии. — М.: Интермет Инжиниринг. Главный редактор Н.П. Лякишев. 2000.
Обезвисмучивание — [bismuth removal] рафинирование расплава Pb от Bi с использованием добавок Са, Mgи Sb. При этом одновремен введение в расплав Са и Mg обеспечивает меньшее содержание Bi в Pb, которое при Bi:(Ca + Mg) = 0,17 0,4 может быть доведено до 0,004 %. При … Энциклопедический словарь по металлургии
обесвисмучивание — Рафинирование расплава Рb от Bi с использованием добавок Са, Mg и Sb. При этом одновременное введение в расплав Са и Mg обеспечивает меньшее содержание Bi в Рb, которое при Bi:(Ca + + Mg) = 0,17+0,4 м. б. доведено до 0,004 %. При промышленном… … Справочник технического переводчика
therapeutics — /ther euh pyooh tiks/, n. (used with a sing. v.) the branch of medicine concerned with the remedial treatment of disease. [1665 75; see THERAPEUTIC, ICS] * * * Treatment and care to combat disease or alleviate pain or injury. Its tools include… … Universalium
Salicylic acid — Salicylic acid … Wikipedia
Nuclear reprocessing — technology was developed to chemically separate and recover fissionable plutonium from irradiated nuclear fuel.[1] Reprocessing serves multiple purposes, whose relative importance has changed over time. Originally reprocessing was used solely to… … Wikipedia
lead processing — Introduction preparation of the ore for use in various products. Lead (Pb) is one of the oldest metals known, being one of seven metals used in the ancient world (the others are gold, silver, copper, iron, tin, and mercury). Its low… … Universalium
Decoppering — is the act of removing copper and it is most commonly used in the context of the removal of copper residues from the rifling of gun barrels. Decoppering agents are frequently added to smokeless powder propellants. Decoppering is most important… … Wikipedia
Soldering — For the song, see Soldering (song). For the product, see Solder. Desoldering a contact from a wire. Soldering is a process in which two or more metal items are joined together by melting and flowing a filler metal (solder) into the joint, the… … Wikipedia
Timeline of chemical elements discoveries — The discovery of the elements known to exist today is presented here in chronological order. The elements are listed generally in the order in which each was first defined as the pure element,[clarification needed] as the exact date of discovery… … Wikipedia
heterocyclic compound — Any of a class of organic compounds whose molecules contain one or more rings of atoms with at least one atom (the heteroatom) being an element other than carbon, most frequently oxygen, nitrogen, or sulfur. As in regular cyclic hydrocarbons,… … Universalium