useful neutron是什么意思

网络释义

用法例句

neutrons yield per fission

每次裂变后的中子产额

neutrons per fission

每次裂变所放出的中子数

Experimental Research on the Dependence of ～(235)U Fission Yields on Incident Neutron Energies;

～（235）U裂变产额随入射中子能量变化的实验研究

In the first place, the fractional decrease in neutron energy per collision is, on the average, greatest for light nuclei.

第一，平均来说原子核愈轻，每次碰撞后中子的能量损失分额就愈大。

neutrons per absorption

每次吸收一个中子后所放出的中子数

The Pre-work of Measurement Fission Yields-the Manufacture Minitype Fission Ionizing Chamber

裂变产额测量的前期工作—小型裂变室的研制

the commonest isotope of uranium; it is not fissionable but when irradiated with neutrons it produces fissionable plutonium 239.

铀最常见的同位素，不能裂变，但与中子一起被照射后会产生可裂变的钚。

Utanium analysis by the emission of delayed neutrons, following fission of U235, has been described by Amiel.

阿密尔论述了应用U235裂变后产生的缓发中子流分析铀的方法。

yield mass curve

裂变产额 质量曲线

Standard theory predicts that two neutrinos are produced for every fusion of four protons into a helium nucleus.

标准理论预言，在由四个质子变成一个氦核的每一次聚变过程中要产生两个中微子。

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。

The breaking of a chemical bond in an organic molecule with the simultaneous addition of a hydrogen atom to each of the resulting molecular fragments.

分解氢一个有机体分子中的化学键的断裂，同时给每个产生的分子分裂物加一个氢原子

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。

Limits of indemnity and deductibles in respect of each and every accident:

(1)每次事故的赔偿限额及免赔额

Balances held on a covered Basis

有变现资产作后备的余额

The tax shall be withheld from the amount of each payment by the payer.

税款由支付人在每次支付的款额中扣缴。

Such tax shall be withheld by the paying unit in each of its payments.

税款由支付单位在每次支付的款额中扣缴。

delayed neutron fission product monitor

缓发中子裂变产物监测器