Einstein's colleagues convinced him to write to President Franklin D . Roosevelt about building a nuclear weapon.

A nuclear weapon above 50 kilo tons is considered high yield.

高于5万吨当量的核武器被认为是高当量武器.

Let us all work together for the ultimate realization of a nuclear weapon-free world.

让我们为最终实现无核武器的世界而共同努力.

A nuclear weapon, he added, is'the ultimate and prized goal.'

他说, 核武器是这些团体追求的最终目标,它们为核武器开出的价码最高.

Under no circumstances will China be the first to use nuclear weapon.

中国在任何情况下都不首先使用核武器.

Under no condition do we use the nuclear weapon first.

任何情况下我们都不首先使用核武器.

It is purely for self-defence that we have produced some nuclear weapons.

我们搞一点核武器完全是为了 自卫.

Nuclear weapons seem to violate the just war principle of proportionality.

核武器似乎违背了正义战争的罚当其罪原则。

He campaigned for peace and against the spread of nuclear weapons.

他为裁军运动和反对核武器扩散而奔走。

Nuclear-armed bombers wer put on the alert during the crists.

核武装轰炸机在危机期间进入高度戒备状态.

But people are starving in a nuclear armed state.

但这个核武国的人民正在挨饿.

The prospect of a nuclear-armed North Korea, however, might as even worse.

不过, 拥有核武器的朝鲜, 或许是一种更加糟糕的前景.

Pakistan is a bigger place , has a larger population, its nuclear-armed.

巴基斯坦面积更大, 人口更多, 还拥有核武器.

Nuclear-armed bombers were put on the alert during the crisis.

核武装轰炸机在危机期间进入高度警备状态.

The virus nuclease can be digested by DNase I , resist PvNase and S 1 Nuclease.

病毒的核酸能被DNase完全降解,而不被RNase降解,对S_1核酸酶也不敏感.

Chemical nucleases are a new challenging field that is quickly developing in chemical biology.

化学核酸酶是当今化学尘物学中发展迅猛、富有挑战性的新领域之一.

Birds have nucleated, oval erythrocytes.

但鸟类红细胞则有核, 呈椭圆形.

Some cells had nucleated.

某些细胞形成了核.

Compared with pure polyolefin , nucleated polyolefin showed a higher crystallization temperature and a faster crystallization rate.

结果表明:该成核剂的加入均使结晶温度升高,结晶速度加快.

Then a new nucleated in the Europe.

于是在欧洲大陆又开始形成了一种新的格局.

Peripheral blood may appear in the promyelocyte, late promyelocyte cells and nucleated red blood cells.

外周血中可出现中 、 晚幼粒细胞及有核红细胞.