体积  

cm3

0.001

Itr

0.061

in3

Hr

0.2642

gal

0.0353

ft3

1.0567

qt

61.025

in3

ft3

28317

cm3

1728

in3

0.03704

yd3

7.481

gal

23.32

ltr

0.028

m3

in3

16.387

cm3

0.01639

ltr

4.329 x 10-3

gal

0.01732

qt

1.6387 x 10-5

m3

黏度 (绝对的)

P

1

g/cm sec

1

dyn sec/cm2

100

cP

cP

0.000672

lb/ft- sec

0.0000209

lb sec/ft2

2.42

lb/ft hr

各种物理常数

常数

数值

单位

Avogadro's Number

6.0228 x 1023

molecules/g-mol

Gas-Law Constant R

1. 987

cal/(g-mol) (K)

1.987

Btu/(lb-mol) (∫R)

82.06

(cm3) (atm)/(g-mol) (K)

0.08205

(ltr) (atm)/(g-mol)(K)

1545.3

(ft3)(lbforce)/(lb-mol) (°R)

0.7302

(ft3) (atm)/(lb-mol) (°R)

8.31432 x 103

J/(k-mol) (K)