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单词
exposure factor
释义
exposure factor
exposure factor
[
ik′spō·zhər ‚fak·tər
]
(nucleonics)
A quantity
f
used to specify radiographic exposure equal to
st
/
d
2
, where
s
is the intensity of radioactive source,
t
is the time, and
d
is the source to film distance.
随便看
nptd
nptdr
nptds
npte
nptec
nptel
np test
np testing
np tests
nptf
nptg
npth
npthf
npti
np time
nptk
nptl
nptm
nptn
nptnj
npto
nptoc
nptp
nptr
nptrc
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更新时间:2025/3/16 13:59:53