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

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.

In the center of the field are a neutrophil on the left neutrophil on the right.

视野中心可见嗜中性粒细胞,左侧为杆状核,右侧为分叶状核.