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antiparticles
反粒子
常用释义
词性释义
反粒子
例句
全部
That
leaves
CPT
symmetry
:
the
equivalent
of
what
you
would
see
if
you
watched
a
movie
that starred
antiparticles
run
backward
in
a
mirror
.
最后,剩下CPT对称:就像如果电影里的演员是反粒子,然后你透过镜子,观看倒著放的电影。
Clearly
,
many
of
these
antiparticles
must
be
annihilated
when
they
meet
particles
of
ordinary
matter
.
显然,这些反质子中的大多数一定在他们遇到正常物质的粒子的时候湮灭掉了。
Some
radioactive
substances
emit
positrons
,
the
antiparticles
to
electrons
, and
are
used
in
PET
(
positron
-emission
tomography
)
scans
.
有些放射性物质会放出正子,它是电子的反粒子,已经应用于正子断层扫描(PET)。
Particles
and
antiparticles
could
still
collide
,
however,
since
gravitational
repulsion
is
much
weaker
than
electrical
attraction
.
粒子与反粒子仍然存在碰撞的机会,因为万有斥力要比电极引力弱得多。
DIRECT
TESTS
FOR CPT violation
can
be
performed
by
comparing
properties
of
particles
and
antiparticles
.
要直接测试CPT违逆,可以利用粒子与反粒子间的比较。
Paul Dirac
's
theory
has
been
experimentally
verified
and
today
a
wide
range
of
antiparticles
have
been
detected
.
保罗•迪拉克理论已经得到实验验证,而且今天大范围的反粒子已经被发现。
The
symmetry
between
particles
and
antiparticles
is woven
deep
into
the
foundations
of
physics
.
粒子与反粒子间的对称性深深地锲入到物理学的基础之中。
Another
major problem
in
cosmology
is
what has caused the
universe
to
contain more
particles
than
antiparticles
.
宇宙学的另一主要问题是解释为什么粒子要多于反粒子。
The
scientists
also
want
to
compress
large
clouds
of
antiparticles
into high-density
clumps
that
can
be
tailored
for
practical
applications
.
科学家们还希望能将大片大片的反粒子云压缩为高密度的反粒子块,以便进行实际应用。
One
notion
regarding
dark
matter
particles
suggests
they
have
antiparticles
,
meaning
they
annihilate
each
other on
contact
.
一种关于暗物质颗粒的观点认为:暗物质颗粒本身存在反粒子,这意味着它们互相接触后互相自行抵消。
网络释义
反粒子
反粒子
(
Antiparticles
)、相对性粒子(Relative particles)、粒子射线(Particler adiations)
反粒子中
在很短的时间里,这些粒子从无到有,留下黑洞在一片虚无中,或者在物理学家称作的
反粒子中
(
antiparticles
)。短暂过后,粒 …
反素粒子
QED不只描述电子,尚且包括轻子(leptons)-μ介子(muon)、τ介子(tau meson)和它们的
反素粒子
(
antiparticles
)。因为QED是描 …