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  «peeling» [1]. , . , .

(Betula ubescens) : 46,0%, 18,8%, 24,3%, 2,93%, 2,85%, 0,47%. . . , . 95%. . : ... 18%, 20% ( . Na2O); 4,5; 0,1% ...; 170 0; 90 . : 10070-74, - 6840-78, I–223 OS-62 [2], 6840-74. [2].

, . , , (0,1% - ) , 2,8-1% 18% - 2,9-1,5% 20%, . , . , α- , α- 3-4% , . α- =3,9302+77,655 ( R2=0,9982) =2,6477+76,969 (R2=0,9926) =3,4884+80,395 (R2=0,9967) =1,8838+81,548 (R2=0,9926) 18 20% .

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[1], - . [3], , . α-,   . , . 1.

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19.04.2011   

18.04.2011  : -8, -68, -32, -20, -68,-5, -40, -50, -5, -10, -220(), ,  

04.04.2011  -, .  

19.04.2011   

19.04.2011   

19.04.2011  /.  

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