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preface to fifteenth edition

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GENERAL INFORMATION, CONVERSION TABLES, AND MATHEMATICS 2.17<br />

TABLE 2.2<br />

Physical and Chemical Symbols and Definitions (Continued)<br />

J. Solid state (continued)<br />

Name Symbol SI unit Definition<br />

Relaxation time s 1/ F<br />

Residual resistivity R m<br />

Resistivity tensor ·m E j<br />

Temperature K<br />

Thermal conductivity tensor <br />

1 1<br />

W·m ·K<br />

J q grad T<br />

Thermoelectric force E V<br />

Thomson coefficient V·K 1<br />

Translation vec<strong>to</strong>rs for the b 1; b 2; b3<br />

m 1<br />

reciprocal lattice (circular)<br />

a*; b*; c*<br />

a i b k 2 ik<br />

Translation vec<strong>to</strong>rs for<br />

crystal lattice<br />

a 1 ; a 2 ; a 3<br />

a; b; c<br />

m<br />

Work function J E<br />

EF<br />

K. Space and time<br />

R n a n a n a<br />

1 1 2 2 3 3<br />

Name Symbol SI unit Definition<br />

Acceleration a, (g) m · s 2 a d/dt<br />

Angular velocity <br />

1 1<br />

rad · s , s<br />

d/dt<br />

Area A, A s , S m 2<br />

Breadth b m<br />

Cartesian space coordinates x, y, z m<br />

Circular frequency, angular <br />

1 1<br />

rad · s , s<br />

2<br />

frequency<br />

Diameter d m<br />

Distance d m<br />

Frequency , f Hz 1/T<br />

Generalized coordinate q, q i (varies)<br />

Height h m<br />

Length l m<br />

Length of arc s m<br />

Path length s m<br />

Period T s T t/N<br />

Plane angle , , , rad, l<br />

s/r<br />

, <br />

Position vec<strong>to</strong>r r m r xi yj zk<br />

Radius r m<br />

Relaxation time, time constant<br />

, T s |dt/d ln x|<br />

Solid angle , sr, l A/r 2<br />

Speed , u, w, c m·s 1 ||<br />

Spherical polar coordinates r, , m, l, l<br />

Thickness d, m<br />

Time t s<br />

Velocity , u, w, c m·s dr/dt<br />

Volume V, () m 3

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