1 . .
1 V=3*, =20 /.
. . 5 .
66. - () . . /. XVIII
-
= 1,2 , h = 20 ., ρ= 13600 /3.
- . ­ , , ­. , ,
NewBull
6677. , n=6 . , T=24 ? . G = 6,7∙10-11
1 , 23 /. 1 , 32
, ,
,
ChemSafe 515 ( PTFE)
40 - =1 /2 . , 10
( 65) . ( 65) 1.1. 200 /2. 100 /2?