SI


,

3

  

W

 

*/ 

/

rg/s

1 rg/s =10-7 W

* . 

..

hp

1 hp = 745,7 W

 

 

 

 

 

 

 

/2 

/2

N/m2

1 N/m2 = 10 DYN/cm2

*/2 

/2

DYN/cm2

1 DYN/cm2 = 0,1 N/m2

 

P

1 hP = 1,333 mm Hg

* . .

..

mm Hg

1 mm Hg = 133,3 P = 1,333 mb

b

1 b = 106 DYN/cm2 = 105 Pa

mb

1 mb = 0,750 mm Hg

.

atm

1 atm = 101 325 Pa

*  

Tor

1 Tor = 1 mm Hg

    

oK

oK

oK = 273,16 + oC

  

oC

oC

 

.

  

J

1 J = 0,2388 cal

cal

1 cal = 4,1868 J

  

W

1 W = 0,86 cal/h

*   

/

cal/h

1 l/h = 1,163 W

.

/  

oC/m

DEG/m

 

/2.

/ 2

J/m2.s

J/m2.s = 1,16 cal/m2h

/2  

/2

W/m2

1 W/m2 = 1,163 cal/m2h

*/2.

/2.

cal/m2h

1 cal/m2h = 0,8598 W/2

(.)

 

J

1 J = 0,2388 cal

*  

cal

1 cal = 4,187 J

(, , , )

: 32 5/9

= 5/9.(F - 32) = 0,5555 (F - 32); .: 65 F → 0,5555.(65 - 32) = 18,33 .

: 32 9/5

F = (9/5 ) + 32 = (1,8.) + 32; .: 37 → (1,8 . 37)+32=98,6 F

R = 5/4 = (9/4 t + 32) F

= 4/5 R

K = 273,16 + C

 

Celsius

Fahrenheit

100 212

0 32

273.1 459.6

: SI - , (*), .