- tungsten ores
- Смотри вольфрамовые руды.
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.
tungsten processing — Introduction preparation of the ore for use in various products. Tungsten exhibits a body centred cubic (bcc) crystal lattice. It has the highest melting point of all metals, 3,410° C (6,170° F), and it has high conductivity for… … Universalium
Tungsten(VI) oxide — Chembox new Name = Tungsten trioxide ImageFile = TungstenOxideSmall.jpg ImageName = Sample of Tungsten (VI) Oxide IUPACName = Tungsten trioxide OtherNames = Tungstic anhydride, tungsten (VI) oxide, tungstic oxide Section1 = Chembox Identifiers… … Wikipedia
tungsten — tungstenic /tung sten ik/, adj. /tung steuhn/, n. Chem. a rare, metallic element having a bright gray color, a metallic luster, and a high melting point, 3410° C, and found in wolframite, tungstite, and other minerals: used in alloys of high… … Universalium
вольфрамовые руды — [tungsten ores] руды, содержащие W в таких соединениях и концентрациях, при которых их промышленное использование технически возможно и экономически целесообразно. Известно > 20 W минералов, однако из них промышленное значение имеют только… … Энциклопедический словарь по металлургии
Natural resources of Primorsky Krai — Primorsky Krai is a territory rich in natural resources: Contents 1 Coal 2 Tin 3 Tungsten 4 Lead and zinc 5 … Wikipedia
mineral processing — or ore dressing Mechanical treatment of crude ores to separate the valuable minerals. Mineral processing was at first applied only to ores of precious metals but later came to be used to recover other metals and nonmetallic minerals. It is also… … Universalium
Hemerdon Mine — pits near Lee Moor. The mine, out of operation since 1944, hosts one of the largest tungsten and tin deposits in the world. [ [http://www.mineweb.com/mineweb/view/mineweb/en/page674?oid=41265 sn=Detail Mineweb Article] ]… … Wikipedia
nitrogen group element — ▪ chemical elements Introduction any of the chemical elements that constitute Group Va of the periodic table (see Figure >). The group consists of nitrogen (N), phosphorus (P), arsenic (As), antimony (Sb), and bismuth (Bi). The elements share… … Universalium
Outpost Island Mine — The Outpost Island Mine was a gold and tungsten producer 94 kilometres southeast of Yellowknife, Northwest Territories on an island of Great Slave Lake. Gold was discovered here in 1935 by prospectors, and some development was undertaken in 1936… … Wikipedia
Вольфрамовые руды — (a. tungsten ores; н. Wolframerze; ф. minerais de tungstene; и. minerales de tungsteno) природные минеральные образования, содержащие вольфрам в таких соединениях и концентрациях, при к рых их пром. использование технически возможно и… … Геологическая энциклопедия