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antihydrogen
反氢
常用释义
词性释义
[核] 反氢
例句
全部
反氢
To
make
cold
antihydrogen
,
the
experimenters
must
slow
down the antiprotons to
a
temperature
similar
to that
of
the positrons
.
要制作冷的反氢,实验者必须将反质子减缓到与正子相近的温度。
An
atom
of
antihydrogen
,
for instance
,
is composed of
a
negatively
-
charged
antiproton
being
orbited
by
a
positively
-charged
positron
.
举例来说,一个反氢原子,由带正电荷的正电子围绕带负电荷轨道运行的反质子组成。
All
this
happened
inside
a
magnetic
bottle
that traps
the
antihydrogen
atoms
.
这一切都发生在一个俘获反氢原子的磁瓶里。
Scientists
have
created
antimatter
in the
form
of
antihydrogen
,
demonstrating
how
it
's
possible
to
capture
and
release
it
.
科学家已经创建了反氢原子形式的反物质,并证明怎样才有可能去俘获和释放它。
The
antihydrogen
atoms
are
composed
of
a
positron
(an
antimatter
electron
)
orbiting
an
antiproton
nucleus
.
反氢原子是正电子(所谓正电子就是反物质的电子)围绕着以反质子为核心,作轨道运行所形成。
The
detectors
duly
observed
38
bursts
of
energy
which the
team
concluded
came
from
antihydrogen
atoms
hitting
the
wall
of the
trap
.
探测装置准时地记录到了38次能量爆炸,该小组的结论是爆炸是反氢原子撞击容器壁所产生的。
A chain
of
reactions
,
starting
with a
beam
of laser
-
excited
cesium
atoms
,
transfers
the positrons
to
the antiprotons to
form
antihydrogen
.
一连串反应开始于以雷射光激发铯原子束,然后使正子移到反质子旁以形成反氢。
Two
international
collaborations
(
ATRAP
and
ATHENA
)
used
these
devices
to
produce
thousands
of
slowly
moving
antihydrogen
atoms
in
2002
.
在2002年二个国际小组合作(ATRAP和ATHENA)用这些装置生产数以千计慢慢移动的反氢原子。
A
strong
magnet
was
critical
to
trapping
antihydrogen
atoms
by
using
their
small
magnetic
moments
.
采用具有微弱磁矩的强磁体是捕获反氢原子的关键。
Both
researchers
agree
that
producing
antihydrogen
atoms
that
are
suitable
for
spectroscopy
is
the
central
challenge
facing the
groups
now
.
他们两人都同意,目前研究团队最主要的挑战,是制造出适合用来测量光谱的反氢原子。
Antihydrogen
formation
in
the
laser
-
assisted
positronium
-
antiproton
collision
is
investigated
in
the
first
Born
approximation
.
在一级玻恩近似下,研究了在激光辅助的电子偶素-反质子碰撞中的反氢合成。
In
other
work
,
ATHENA
members
have
examined
properties
of
the
antihydrogen
production
process
.
在另一项工作里,ATHENA的成员检查了反氢制造过程的特性。
To
test
whether
any
antihydrogen
was
actually
formed
and
captured
in their
trap
,
the
ALPHA
team
turned
off
its
trapping
magnet
.
为测试是否真的形成了反氢原子并被容器捕获,阿尔法小组关闭了容器的磁场。
The
antihydrogen
was
then
free
to
wander towards the
walls
,
and
thus
annihilation
.
如此一来反氢原子就解除了束缚,与容器壁自由地发生碰撞,湮灭得无影无踪。
For
example
,
any
violation
of the
expected
symmetry
between
hydrogen
and
antihydrogen
would
rock
physics
to its
core
.
例如,任何违反氢和反氢之间对称的期望会动摇物理学的核心。
Antihydrogen
atoms
were
produced
in
the
past
by
several
experiments
at CERN
.
欧洲核子研究中心在过去的几个实验中都产生了反氢原子。
In that
time
some
of
the
particles
get together and
form
antihydrogen
.
这段时间内一些粒子聚合成反氢原子。
Having
made
antihydrogen
atoms
,
investigators
face
two
problems
:
First
,
how
do you
detect
the
atoms
,
to
prove
that
they
are
really
there
?
制造出反氢原子之后,研究者会面临两个问题:第一,怎麽侦测这些原子,证明它们真的在那儿?
Antihydrogen
and
hydrogen
atoms
should
have
the
same
properties
,
emitting
the
exact
same
frequencies
of
light
,
for
example
.
反氢和氢原子应该有相同的特性,例如发出光的频率一模一样。
Laser
-
assisted
Antihydrogen
Formation
between a
Positronium
and an
Antiproton
激光辅助的电子偶素对反质子的反氢生成反应
1·Antihydrogen and hydrogen atoms should have the same properties, emitting the exact same frequencies of light, for example.
反氢和氢原子应该有相同的特性,例如发出光的频率一模一样。
网络释义
反氢
物理专业英语词汇(A) ... antihadron 反强子
antihydrogen
反氢
antila 唧筒座 ...
反氢原子
不过,1克的
反氢原子
(
antihydrogen
)包含6E23个反中子(antiproton),以CERN目前每秒制造10E7个反中子的速度来算,需要20 …