Matches in DBpedia 2014 for { <http://dbpedia.org/resource/Tungsten> ?p ?o. }
Showing items 1 to 52 of
52
with 100 items per page.
- Tungsten abstract "Tungsten, also known as wolfram, is a chemical element with the chemical symbol W and atomic number 74. The word tungsten comes from the Swedish language tung sten directly translatable to heavy stone, though the name is volfram in Swedish to distinguish it from Scheelite, which in Swedish is alternatively named tungsten.A hard, rare metal under standard conditions when uncombined, tungsten is found naturally on Earth only in chemical compounds. It was identified as a new element in 1781, and first isolated as a metal in 1783. Its important ores include wolframite and scheelite. The free element is remarkable for its robustness, especially the fact that it has the highest melting point of all the elements. Also remarkable is its high density of 19.3 times that of water, comparable to that of uranium and gold, and much higher (about 1.7 times) than that of lead. Tungsten with minor amounts of impurities is often brittle and hard, making it difficult to work. However, very pure tungsten, though still hard, is more ductile, and can be cut with a hard-steel hacksaw.Tungsten's many alloys have numerous applications, most notably in incandescent light bulb filaments, X-ray tubes (as both the filament and target), electrodes in TIG welding, superalloys, and radiation shielding. Tungsten's hardness and high density give it military applications in penetrating projectiles. Tungsten compounds are also often used as industrial catalysts.Tungsten is the only metal from the third transition series that is known to occur in biomolecules, where it is used in a few species of bacteria and archaea. It is the heaviest element known to be used by any living organism. Tungsten interferes with molybdenum and copper metabolism, and is somewhat toxic to animal life.".
- Tungsten wikiPageExternalLink element.php?sym=W.
- Tungsten wikiPageExternalLink npgd0645.html.
- Tungsten wikiPageExternalLink www.itia.info.
- Tungsten wikiPageExternalLink 074.htm.
- Tungsten wikiPageExternalLink w.htm.
- Tungsten wikiPageExternalLink mtstung.html.
- Tungsten wikiPageID "30046".
- Tungsten wikiPageRevisionID "606754788".
- Tungsten b "24".
- Tungsten b "40".
- Tungsten b "42".
- Tungsten hasPhotoCollection Tungsten.
- Tungsten p "10".
- Tungsten p "6".
- Tungsten subject Category:Biology_and_pharmacology_of_chemical_elements.
- Tungsten subject Category:Chemical_elements.
- Tungsten subject Category:Refractory_metals.
- Tungsten subject Category:Science_and_technology_in_Spain.
- Tungsten subject Category:Transition_metals.
- Tungsten subject Category:Tungsten.
- Tungsten comment "Tungsten, also known as wolfram, is a chemical element with the chemical symbol W and atomic number 74. The word tungsten comes from the Swedish language tung sten directly translatable to heavy stone, though the name is volfram in Swedish to distinguish it from Scheelite, which in Swedish is alternatively named tungsten.A hard, rare metal under standard conditions when uncombined, tungsten is found naturally on Earth only in chemical compounds.".
- Tungsten label "Tungsten".
- Tungsten label "Tungsteno".
- Tungsten label "Tungstène".
- Tungsten label "Tungstênio".
- Tungsten label "Wolfraam".
- Tungsten label "Wolfram".
- Tungsten label "Wolfram".
- Tungsten label "Wolframio".
- Tungsten label "Вольфрам".
- Tungsten label "تنجستن".
- Tungsten label "タングステン".
- Tungsten label "钨".
- Tungsten sameAs Wolfram.
- Tungsten sameAs Wolfram.
- Tungsten sameAs Βολφράμιο.
- Tungsten sameAs Wolframio.
- Tungsten sameAs Wolfram.
- Tungsten sameAs Tungstène.
- Tungsten sameAs Wolfram.
- Tungsten sameAs Tungsteno.
- Tungsten sameAs タングステン.
- Tungsten sameAs 텅스텐.
- Tungsten sameAs Wolfraam.
- Tungsten sameAs Wolfram.
- Tungsten sameAs Tungstênio.
- Tungsten sameAs m.025sk79.
- Tungsten sameAs Q743.
- Tungsten sameAs Q743.
- Tungsten wasDerivedFrom Tungsten?oldid=606754788.
- Tungsten isPrimaryTopicOf Tungsten.