Thanks to the innovative work of EU-funded researchers, the beneficiation of columbite and tantalite minerals can take place with the addition of just a few chemicals.
Bella desconfiada, abrumado por tu belleza me sentí impulsado a usar palabras demasiado galantescordis cordis
The illicit exploitation of natural resources, in particular diamonds, gold, columbite-tantalite (coltan) and timber, in zones of conflict, has a direct and significant bearing on children
But where and by whom are the cellphones and computers containing the columbite-tantalite (coltan) stolen in the Democratic Republic of the Congo manufactured?
Columbite turned out to be a very complex mineral, and Hachett discovered that it contained a "new earth" which implied the existence of a new element.
The Moonraker rocket was to be an upgraded V-2 rocket using liquid hydrogen and fluorine as propellants; to withstand the ultra-high combustion temperatures of its engine, it used columbite, in which Drax had a monopoly.
The illicit exploitation of natural resources, in particular diamonds, gold, columbite-tantalite (coltan) and timber, in zones of conflict, has a direct and significant bearing on children.
It is reported, for example, that coltan, a short form for columbite - tantalite, extracted by children and prisoners in Masisi, to the north of Kivu, a region invaded by Rwanda, is being sold locally for US$ 5 per kilogram.
Alquilarán parte del terreno a diversas compañíasUN-2 UN-2
Particular reference is made to columbite-tantalite, commonly known as coltan, because the mining of this valuable mineral for the manufacture of technological devices is carried out in terrible conditions in the Democratic Republic of the Congo.
The four years of warfare have led to organized, systematic pillaging of the wealth of the country, mainly diamonds, gold, cobalt, tin, tantalum, columbite and manganese.
Yo tenía # años cuando mi papá murió en un accidente insólitoUN-2 UN-2
Both tin and columbite were extensively mined in the area up until the 1960s.
La Presidencia, asistida por el SG/AR a través de su Representante Personal para la No Proliferación de las Armas de Destrucción Masiva, realizará la selección final de los beneficiarios a propuesta de la entidad encargada de la aplicación de conformidad con el artículo #, apartado #, de la presente Acción ComúnWikiMatrix WikiMatrix
It also abounds in mining and mineral resources (gold, diamonds, cobalt, columbite‐antalite, methane gas, silver, copper, uranium, manganese, tin, zinc, hydrocarbons) as well as agricultural resources.
When compared with the two-step columbite synthesis route, the project's novel method was found to produce greater homogeneity and better-defined characteristics.
Vista la Carta de los Derechos Fundamentales de la Unión Europea, en particular su artículocordis cordis
F. Habashi pointed out that uranium was never more than about 5% in Noddacks' columbite samples, and the amount of element 43 could not exceed 3 × 10 −11 μg/kg of ore.