## On the Connexion of the Physical SciencesJ. Murray, 1858 - 523 pages |

### From inside the book

Results 1-5 of 79

Page 8

...

...

**quantity**f ( t ) is ordinarily given as the amplitude of the Fourier transform : F ( 2xif ) = бо f ( t ) e - 2xiftat ( 1 ) The power spectrum given by the equation T • ( r ) = 21m 4 | | 2 ( t ) = 2xiftat | 2 lim T → ∞ -T 2 ( 2 ) is a ... Page 6

...

...

**quantity**less . By continuing this operation , we should obtain a single equation with but one unknown**quantity**. This equation is called the final equation , and serves to determine the values of the unknown**quantity**which it contains ... Page 15

...

...

**quantity**index can reasonably be inter- preted as an index of the change in the absolute**quantity**consumed . The**quantity**index of 35.4 for fuel oil translates into a 64.6 - percent decline in the number of gallons of fuel oil purchased ... Page 3

...

...

**QUANTITY**CALCULUS The value of a physical**quantity**Q can be expressed as the product of a numerical value {Q} and a unit [Q] ...**QUANTITIES**AND DERIVED**QUANTITIES**By convention physical**quantities**. 1.1 PHYSICAL**QUANTITIES**AND**QUANTITY**... Page 5

...

...

**quantity**, ( 12 ) to that of a real negative**quantity**. 6. Corollary . When the real term of ( 1 ) vanishes , we have A = 0 , cos . ◊ = 0 , 0。= π or = whence 3 π , ( 13 ) 0 = ± 1⁄2 ” ± 2 nñ = ± ( 2n ± 1 ) π , sin.e = ± 1 . ( 14 ) π ...### Other editions - View all

### Common terms and phrases

61 Cygni absorbed action appears atmosphere attraction bismuth blue bodies centre centrifugal force chemical circular polarization coloured rings comet consequently copper crystal dark density diamagnetic diameter diminishes direction distance disturbing earth ecliptic effect electricity equal equator ethereal medium excentricity experiments extreme force gravitation greater heat hemisphere increase intensity Jupiter latitude length lines liquid longitude luminous lunar magnetic mass mean meridian metallic miles molecules moon motion move nebula nodal lines nodes NOTE nutation observed optic axis orbit parallax paramagnetic particles passing perihelion period perpendicular phenomena plane polarized light pole position prism produced quantity rays reflected refraction refrangible retrograde motion revolution revolving right angles rotation round satellites Sir John Herschel solar spectrum sound space stars substances sun's surface telescope temperature terrestrial theory tion tourmaline transmitted tricity undulations Uranus vapour velocity vibrations violet visible Voltaic waves wire