:
1. .
, ([1] c. 334)
f=0,08, . 1.104.
=8,1*106 / 2;
2. . :
, ([1] . 334)
= 0,3.
=0,7; =4,85
, ([1] c. 334)
1, 2 () () , /2;
= 8,1*106*0,08*(5,55/2*1011)=18 .
3.
([1] c. 334)
g , ,
gt , t0 td t, (aD ad).
=1,2*(6,3+10)=19,6 ;
g , ; .
g = 0, .. .
gt =0, . . tD = td = t =20 .
g , ; .
g = 10 .
= 18+19,6+10= 47,6 48 .
4. .
1 2:
,
, ([1] c. 336)
- , / 2;
=0,58*35*107 *[1-0]=20*107 / 2;
=0,58*35*107*[1-(80/100)2]=7*107 / 2.
, = 7*107 / 2.
5.
, ([1] c. 336)
=7*107*0,08*2,775*10-11=155 .
6.
, ([1] c. 336)
g ;
gt , , .
g =0,93, . 1.68([1] .336).
=155*10-6*0,93 -0= 144 .
7. ([1] c. 153).
:
, ;
,,
.
80 N max =113 , Nmin =56 . [Nmax]- Nmax =144-113=31 ;
Nmin [Nmin]=56-48=8 .
8. ,
,
fn , fn = 1,2 f =1,2*0,8 =0,096 ([1].336);
Pmax ,
. ([1]. 339)
max= =421*1011 / 2;
Rn = 0.096*421*1011*3.14*0.08*0.1=1.05*1011 H.
|
|
(. 2.1) :
. 2.1
1. (. 2.2).
. 2.2
2. :
=5+ 6+ 7-(1+ 2+ 3+ 4+ 8)=7+4+520+7-(52+415+52+33+48)=3.
:
: =3+2.
, . 3 = A1 = 52-0,25
3. . ( ).
(2.2)
, : IT 1 l=100i; IT12=160i, 11- 12-.
11- , -.
4. -.
A2 12- , 11- .
.
(2.3)
- . A6 :
(2.4)
5. , 6. 1.
1.
, | i. | , | ||
1,86 | 520,25 | |||
3,23 | 4150,52 | |||
1,86 | 520,25 | |||
1,56 | 33 0,08 | |||
0,9 | 7-0,09 | |||
3,89 | ||||
0,9 | 7-0,09 | |||
1.08 | 48 0,055 | |||
15.28 |
Δ=5+ 6+ 7-(1+ 2+ 3+ 4+ 8). (2.5)
3+0,2=7-0,09+ +7-0,09-(520,25+2940,52+520,25+33 0,08+18 0,08);
=0,845.
0= -0,09-y-0,09 (-0,25-0,08+0,055+0);
Y=+0,315.
6=0,845-0,315=0,53.
:
Δ=x-y=0,845-0,315=0,53.
.
1 .., .. , .: , 1977. 207 .
2 .., .. - : . . . .: . ., 1997.-217.
3 .., .., .. , , . . .: , 2008. 536
4 ,
5 .. -. .: , 2002.
6 ., .. . ,2008. : ӻ,2008. 32 .