Last Updated：2025/12/06
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The power plant pilot program tested using slightly-enriched uranium as fuel to increase thermal output while still relying on a very low neutron-absorption moderator like heavy water.
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The power plant pilot program tested using slightly-enriched uranium as fuel to increase thermal output while still relying on a very low neutron-absorption moderator like heavy water.
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Related words
slightly-enriched uranium
Noun
uncountable
(nuclear
physics)
Enriched
uranium
with
0.9-2%
uranium-235,
requiring
a
special
moderator
with
very
low
neutron
absorption
(such
as
heavy
water
or
high-purity
graphite)
in
order
to
be
able
to
sustain
a
nuclear
fission
chain
reaction.
Used
to
increase
power
output
and
efficiency
in
a
few
types
of
nuclear
reactors
capable
of
running
on
natural
uranium,
and
for
downblending
of
highly-enriched
uranium
from
decommissioned
nuclear
weapons
into
low-enriched
uranium
suitable
for
use
in
commercial
power
reactors.
Japanese Meaning
0.9～2%のウラン235を含む濃縮ウラン。特殊な減速材（例：重水、高純度グラファイトなど）を必要とし、核分裂連鎖反応を維持できるような特定の原子炉で利用される。 / 原子炉の出力と効率を向上させるため、または廃棄された核兵器の高濃縮ウランを低濃縮ウランにダウンブレンド（希釈）するために使用される。
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