Page 15 - Materials Chemistry, Second Edition

L1644_C00.fm Page 19 Tuesday, October 21, 2003 3:05 PM

SYMBOLS
ρ receptor density
˜ e weighted eco-vector
v
ϕ angle
η efficiency
ξ standard deviation (of the Gaussian variable)
∆ increment
µ ordinary mean
λ specific weighting factor
θ standard deviation
σ standard deviation (of lognormal distribution)
µ geometric mean
g
σ geometric standard deviation
g
A area
τ residence time
c concentration
C cost
D damage
E effect (factor)
E energy flow
E M eco-technology matrix
e eco-vector
v
F fate and exposure (factor)
H variation insensitivity in the human population
h height
I incremental receptor exposure per mass of pollutant emitted
k removal velocity
M mass
P quantity of pollutants
Q emission rate
r radius or discount rate
R outer boundary of the modeling area
T duration
tkm transport unit equivalent to a mass of 1 t (1000 kg) transported along 1 km
u mean wind speed
v vector
V volume
W waste
WE M weighted eco-matrix or damage matrix
W M weighting or damage-assigning matrix
X damage today
o
X damage through the years
t
z height above mean sea level
s

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