dust extraction plant
51Allergen — An allergen is any substance that can cause an allergy. In technical terms, an allergen is a non parasitic antigen capable of stimulating a type I hypersensitivity reaction in atopic individuals.[1] Most humans mount significant Immunoglobulin E… …
52Rotenone — IUPAC name (2R,6aS,12aS) 1,2,6,6a,12,12a hexahydro 2 isopropenyl 8,9 dimethoxychromeno[3,4 b] furo(2 …
53Hydrochloric acid regeneration — or HCl regeneration refers to a chemical process for the reclamation of bound and unbound HCl from metal chloride solutions as hydrochloric acid.Field of applicationThe commercially most relevant field of application for HCl regeneration… …
54Calendar of 1998 — ▪ 1999 January January 1 At the stroke of the new year, the Russian ruble is worth a thousand times less than before as three zeros are removed from its value; about six new rubles equal one U.S. dollar. Foreign Minister David Levy… …
55Sulfur — This article is about the chemical element. For other uses, see Sulfur (disambiguation). phosphorus ← sulfur → chlorine …
56MMC Norilsk Nickel — OJSC MMC Norilsk Nickel Type Public Traded as RTS:GMKN MICEX …
57Uzbekistan — /ooz bek euh stan , stahn , uz /, n. a republic in S central Asia. 23,860,452; 172,741 sq. mi. (447,400 sq. km). Cap.: Tashkent. Formerly, Uzbek Soviet Socialist Republic. * * * Uzbekistan Introduction Uzbekistan Background: Russia conquered… …
58hydrologic sciences — Introduction the fields of study concerned with the waters of the Earth. Included are the sciences of hydrology, oceanography, limnology, and glaciology. In its widest sense hydrology encompasses the study of the occurrence, the… …
59Boeing CH-47 Chinook — CH 47 Chinook Field artillery section sling loading an M198 howitzer for airlift by a CH 47 Chinook Role …
60Metal production in Ukraine — Geographic distribution of ferrous and non ferrous output, expressed in monetary value per capita. Metal production, in particular iron and steel industry, is the dominant heavy industry in Ukraine. Ukraine is the world s eighth largest producer… …
