Ngày tải lên :
22/12/2013, 16:16
... 10,55 30,6 32, 23 29 , 62 26, 32 25,43
b.R
f2
=2, 5
''
22
1
22
''
22 2 2
22
1
22
2
2
22
2
3,16 2, 14 8,84
0, 29 ; 0,98;
2, 14 8,84
3,16 10,73
2( 1 )
82, 87
30( / );
0,98
0,5684
2
0,98
f
th
f
nm
th ... =+=Ω
,
'
2
22 2 2
1
2
2
1
22 2 2
11 1
2, 14
0,1913;
3,16 10,73
3.
3 .22 0
32, 23( )
2. 157(3,16 3,16 10,73 )
2. ( )
th
nm
f
th
nm
r
s
rx
U
M Nm
rrx
ω
== =
+
+
== =
++
++
2. (1 . )
2. 32, 23(1 1, ... -
a.R
f1
=2, 2Ω;I
mc
=3A;
&apos ;2
11
.
f ef
RkR=
=1.88
2
.2, 2=7,78
Ω
;
1
2
.3 2, 45
3
==IA
R
2
’
=r
2
’
+R
f1
’
=2, 14+7,78=9,93
Ω
22
*
1 02
''
02 1 02
3.
R' 9, 92
0, 09; 5,55(...