1.
neutrons per fission
每次裂变所放出的中子数
2.
neutrons per absorption
每次吸收一个中子后所放出的中子数
3.
neutrons yield per fission
每次裂变后的中子产额
4.
Essentially, all the neutrons and part of the gamma rays are emitted in the actual fission process.
从根本上说，所有的中子和一部分γ射线都是在裂变实际的过程中放射出来的。
5.
When an atom is split, it releases neutrons
原子裂变时释放中子。
6.
low number of seed set per cross
每次杂交所得的种子数很少
7.
The variational parameter multiplying each coordinate is called a scale factor.
每个坐标所乘的变分参数叫定标因子。
8.
Practically every atom had its origin in the tiny violence of a radioactive disintegration some time within the past few billion years.
实际上每个原子都来源于过去几十亿年中某一时刻放射性分裂的微小激变。
9.
fast fission effect factor
快中子裂变效应系数
10.
This is due almost entirely to the radioactivity of the fission products present in the weapon residues(or debris)after the explosion.
它们几乎全部由爆炸后出现在武器残骸（或碎块）中的裂变产物的放射性所引起的。
11.
We can see whether any values appear more than once in the array.
可以看出数列中每一个值的出现是否多于一次。
12.
Diakinesis The last stage of the PROPHASE in the first division of MEIOSIS.
终变期：减数分裂第一次分裂前期中的最后一个阶段。
13.
In a hole in the center of this system is placed a subcritical sphere of fissionable material.
在这个系统的中心圆洞中放置一枚次临界的球形可裂变物质。
14.
a self-sustaining nuclear reaction; a series of nuclear fissions in which neutrons released by splitting one atom leads to the splitting of others.
一种自我维持的核反应；一个原子分裂后释放的中子引起其他原子分裂的一系列核裂变过程。
15.
When an atom of U235 is split,several neutrons are set free.
一个铀235原子分裂时,释放出几个中子。
16.
In every Case, after the Choice of the President, the Person having the greatest Number of Votes of the Electors shall be the Vice President.
在每次这样的选举中，於总统选出後，其获得选举人所投票数最多者，即为副总统。
17.
The fission products formed are highly radioactive.
所生成的裂变产物具有很强的放射性。
18.
a unit strength of a radioactive source equal to one million disintegrations per second.
放射性强度单位等于每秒百万次数衰变。