Neutron bombs are used to kill people rather than destroy buildings.

These elements alone, however, are not quite as satisfactory for neutron shielding.

然而, 单用这些物质来防护中子不见得十分令人满意.

One possibility is pulsars – rotating neutron stars that emIt'strong radio transmissions.

一种可能就是脉冲星——不停发出强大电磁波的旋转中子星.

Neutron has no charge , either positive or negative.

中子既不带正电荷, 也不带负电荷.

The PRC subsequently tested a neutron bomb in 1988.

于是才在1988年试验了它的中子弹.

Do you know who invented the neutron bomb?

你知道,中子弹是谁研发出来的 吗 ?

Each pulsar or neutron star is the fast-rotating, dead heart of a once-massive star.

每一颗脉冲星或中子星都曾是大质量恒星死后快速旋转的核心.

One teaspoonful of material from a neutron star would weigh a billion tonnes.

一茶匙中子星上的物质重达十亿吨.

Structure of a pulsara rotating magnetic neutron star.

一颗旋转磁中子星.

Does a neutron star represent the ultimate in compression?

中子星是压缩的最终产物 吗 ?

In each case, the neutron star is orbiting within the outer atmosphere of its supergiant companion.

无一例外, 中子星的轨道都在其巨星同伴的外层大气之中.

Structure of a pulsar — a rotating magnetic neutron star.

脉冲星的结构.一颗旋转磁中子星.

All particles which are together with the neutrons and protons are called baryons.

所有与中子、质子放在一起的粒子统称为重子.

The shortage of neutrons in U-235 seems to give its atoms a strange sort of instability.

在U-235中缺少中子似乎给予U-235原子一种奇异的不稳定性.

The escape of neutrons occurs at the exterior of the uranium ( or plutonium ) material.

中子的逸漏发生于铀 ( 或钚 ) 块的外表面.

Two protons brought together will also fly apart-if neutrons are not present to hold them together.

两个靠拢的质子也会飞开 -- 如果不是有中子把它们保持在一起的话.

Neutrons and protons are bound together in the nucleus of an atom.

在原子核里，中子和质子是结合在一起的。

Fast neutrons are also captured by nitrogen.

快中子也可以被氮吸收.

In most reactors, there is a significant flux of fast neutrons.

在大部分反应堆中都有一定强度的快中子流.

Each atomic cluster is made up of neutrons and protons.

原子簇是由中子和质子构成的。

Nuclei are composed of protons and neutrons.

原子核是由质子和中子构成的.