- rock phosphates
- Смотри Фосфориты.
Энциклопедический словарь по металлургии. — М.: Интермет Инжиниринг. Главный редактор Н.П. Лякишев. 2000.
rock phosphates
Смотреть что такое "rock phosphates" в других словарях:
Phosphates — Phosphate Ne doit pas être confondu avec Roche phosphatée. Phosphate … Wikipédia en Français
sedimentary rock — Rock formed at or near the Earth s surface by the accumulation and lithification of fragments of preexisting rocks or by precipitation from solution at normal surface temperatures. Sedimentary rocks can be formed only where sediments are… … Universalium
Office Chérifien des Phosphates — OCP Group Logo Office Chérifien des Phosphates (OCP, Arabic: المكتب الشريف للفوسفاط) is the national Moroccan phosphates company. It is the world s biggest exporter of phosphates and derivatives. The company is solely responsible for the… … Wikipedia
Phosphate rock — or phosphorite is a general description applied to several kinds of rock which contain significant concentrations of phosphate minerals, which are minerals that contain the phosphate ion in their chemical structure.Many kinds of rock contain… … Wikipedia
phosphate rock — ☆ phosphate rock n. any rock, esp. phosphorite, containing large amounts of phosphates, used as a raw material for making fertilizers, phosphorous chemicals, etc … English World dictionary
phosphate mineral — any of a group of naturally occurring inorganic salts of phosphoric acid, H3(PO4). More than 200 species of phosphate minerals are recognized, and structurally they all have isolated (PO4) tetrahedral units. Phosphates can be grouped as:… … Universalium
Fertilizer — Tennessee Valley Authority: Results of Fertilizer demonstration 1942 … Wikipedia
nutrition — nutritional, nutritionary, adj. nutritionally, adv. /nooh trish euhn, nyooh /, n. 1. the act or process of nourishing or of being nourished. 2. the science or study of, or a course of study in, nutrition, esp. of humans. 3. the process by which… … Universalium
Polonium — (] [cite journal author = Momoshima N., Song L.X., Osaki S.,Maeda Y., title = Biologically induced Po emission from fresh water journal =J Environ Radioact. year = 2002 volume = 63 issue = 2 pages = 187–197 doi =10.1016/S0265 931X(02)00028 0]… … Wikipedia
Negros — /nay grohs/; Sp. /ne grddaws/, n. an island of the central Philippines. 2,749,700; 5043 sq. mi. (13,061 sq. km). * * * Island (pop., 2000: 3,691,784) in the Visayan group, central Philippines. It is the fourth largest island of the archipelago… … Universalium
