HP TextEngineer Technical Writing Guide Instrukcja Użytkownika Pobierz pdf (Strona 23)

Company Writer's Guide

[For Illustration Only] B-8

Symbols for Units in General Use (Cont’d)

Unit Symbol Notes

exa E SI prefix for 10

farad F SI unit of capacitance.

fem to f SI prefix for 10

-15

femtometer fm

foot ft

conventional foot of water

ftH

O 1 ftH

O = 2989.1 Pa (ISO)

foot per minute ft/min

foot per second ft/s

foot per second squared ft/s

foot pound-force ft-lbf

footcandle fc

1 fc = 1 lm/ft

. The name lumen per square foot is

also used for this unit. Use of the SI unit of

illuminance, the lux (lumen per square meter), is

preferred.

footlambert fL

1 fL . 1/Π) cd/ft

. A unit of luminance. One

lumen per square foot leaves a surface whose

luminance is one footlambert in all directions

within a hemisphere. Use of the SI unit, the

candela per square meter, is preferred.

gal Gal

1 Gal = 1 cm/s

(deprecated,

see ANSI Z210.1 1976).

gallon gal 1 gal

= 4.5461 L

1 gal

= 231 in

= 3.7854 L

gauss G

The gauss is the electromagnetic CGS unit of

magnetic flux density. Deprecated

(see ANSI Z210.1-1976).

giga G SI prefix for 10

1 2 ... 18 19 20 21 22 23 24 25 26 27 28 ... 31 32

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