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4 definitions found
From:
DICT.TW English-Chinese Dictionary 英漢字典
cal·i·for·ni·um
/ˌkæləˈfɔrniəm/
卡
From:
DICT.TW English-Chinese Medical Dictionary 英漢醫學字典
cal·i·for·ni·um
/ˌkæləˈfɔrnɪəm/
名詞
鉲
From:
WordNet (r) 2.0
californium
n
:
a
radioactive
transuranic
element
;
discovered
by
bombarding
curium
with
alpha
particles
[
syn
:
Cf
,
atomic number 98
]
From:
Elements database 20001107
californium
Symbol
:
Cf
Atomic
number
: 98
Atomic
weight
: (249)
Radioactive
metallic
transuranic
element
.
Belongs
to
actinoid
series
.
Cf-251
has
a
half
life
of
about
700
years
.
Nine
isotopes
are
known
.
Cf-252
is
an
intense
neutron
source
,
which
makes
it
an
intense
neutron
source
and
gives
it
a
use
in
neutron
activation
analysis
and
a
possible
use
as
a
radiation
source
in
medicine
.
First
produced
by
Glenn
T
.
Seaborg
and
associates
in
1950.
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