METHOD OF MANUFACTURING A SET OF STANDARD PIECES USED FOR DETERMINING ASH CONTENT OF COAL

摘要

use: u0440u0430u0434u0438u043eu0442u0435u0440u043cu0438u0447u0435u0441u043au0438u0439 control content on natural radioactivity u0443u0433u043bu00a0. the essence of the u0438u0437u043eu0431u0440u0435u0442u0435u043du0438u00a0: production of standard samples with a u0437u043eu043bu044cu043du043eu0441u0442u044cu044e from samples of rocks and u0443u0433u043bu00a0 with known values of ash content and density of u043eu0441u0443u0449u0435u0441u0442u0432u043bu00a0u044eu0442 the operation u0438u0437u043cu0435u0440u0435u043du0438u00a0 mass of one sample.u0434u043bu00a0 u0438u0437u0433u043eu0442u043eu0432u043bu0435u043du0438u00a0 standard sample, and in the manufacture of other standard samples of sampling choose u0441u043eu043eu0442u043du043eu0448u0435u043du0438u00a0: mi mi (li + (oh & amp;, (li + (a - a & v where m | - the 1st sample standard sample: & deg; mi u0438u0437u043cu0435u0440u0435u043du043du0430u00a0 mass samples standard sample; and, the aid - content samples of rocks and u0443u0433u043bu00a0 respectively; / st / ec - density sampling breed and u0443u0433u043bu00a0 respectively. 1, table 2). (l