Usage: radiotermichesky control of natural radioactivity ash coal. SUMMARY OF THE INVENTION: production standard samples with a predetermined ash content of the coal and rock samples with known quantities of ash content, and density is carried out by performing one measurement operation proby.dl weight standard sample fabrication and in the manufacture of other standard sample mass ratio of samples selected from: MI Mi ( LI + (A - A & amp; amp ;, (LI + (A - A & amp; amp; V wherein M | - mass 1st reference standard samples: & amp; deg; Mi - measured weight standard sample sample; And, Aid - ash rock samples and coal, respectively; / Sn / Eu - density rock and coal samples ootvetstvenno. Table 1. (A
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机译：用途：radiotermichesky控制天然放射性灰煤。发明内容：具有预定灰分含量的生产标准样品和具有已知灰分含量的煤和岩石样品，并且密度通过执行一种测量操作方法进行。dl重量标准样品的制造以及在另一种标准的制造中选自以下的样品的样品质量比：MI Mi（LI +（A-A＆amp; amp ;, LI +（A-A＆amp; V;其中M |-质量为第一参考标准样品：＆amp; deg ; Mi-称重标准样品; Aid-灰岩样品和煤; / Sn / Eu密度岩石和煤样品ootvetstvenno。表1.（A
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