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U-235

U-235

U-235

U-235

1

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。

2

To make fuel for electricity-generating reactors , uranium is enriched to less than 5 percent of the isotope U-235.

为将燃料做成电能反应堆，铀被浓缩至 U-235 同位素含量 5%以下。

3

The fission targe chamber system is composed of vacuum targe chamber and ~(235)U fission target and large area PIN detector .

裂变靶室系统由 “真空靶室加 ~（235 ）U 裂变靶加大面积 PIN 探测器 ”组成。

5

Only three fissile materials are known at present , there being U-233, U-235, and plutonium .

目前已知有三种裂变材料，它们是铀 233 ，铀 235 ，以及钚。

6

To make weapons , it is enriched to about 90 percent U-235.

为造武器，它要被浓缩至 U-235 同位素含量为 90%左右。

7

Uranium depleted in U 235 and its compounds ;

已耗乏铀 235 及其化合物；

8

Population (U. S. rank ): 235, 860 (80th)

人口（美国排名）：235,860 （第80 位）

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