,
1
...
7
8
9
10
11
12
13
14
15
16
17
18
3.
8.
10 -11 (- ) 2012-2013
" "
.
-
% 2
-
9- " "
, 10
-
һ. - , , 10
2011
( 1980791) ,% (ASTM), .%
1
...
7
8
9
10
11
12
13
14
15
16
17
18
: