検索結果- 英語 - 英語
検索内容:
gender-critical
adj
delayed critical
adj
delayed criticality
noun
(nuclear
physics)
The
point
at
which
the
prompt
neutrons
and
delayed
neutrons
produced
by
a
nuclear
fission
chain
reaction,
taken
together,
are
just
sufficient
to
sustain
the
chain
reaction
(the
state
of
being
delayed
critical);
in
this
state,
changes
in
reaction
power
occur
slowly,
allowing
the
reaction
to
be
controlled
on
human
timescales,
due
to
the
relatively
long
time
delay
associated
with
the
emission
of
the
delayed
neutrons
necessary
to
maintain
the
chain
reaction.
prompt critical
adj
prompt criticality
noun
(nuclear
physics)
The
point
at
which
the
prompt
neutrons
produced
by
a
nuclear
fission
chain
reaction
are
just
sufficient
to
sustain
the
chain
reaction
on
their
own
(the
state
of
being
prompt
critical);
past
this
point,
changes
in
reaction
power
are
controlled
by
changes
in
the
prompt
neutron
flux,
and
occur
on
a
timeframe
of
milliseconds,
too
rapidly
to
be
controlled
by
mechanical
means.
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