查询词典 neutrons

When the metal rods of cadmium were pushed all the way in, and stray neutrons that entered the pile were absorbed, and could not enter uranium—235 nuclei, and so there was no reaction at all.

当镉金属棒全部推入，进入反应堆的流动中子就被吸收，不能进入铀－－235原子核，因而完全没有反应。

Deuterium, a natural isotope of heavy hydrogen, having one proton and on neutron, whereas normal hydrogen has one proton and zero neutrons, could be used routinely.

重水中的天然同位素氘具有一个质子一个中子，它不同于正常的氢只有一个质子没有中子，可以常规应用。

Charge comparison method used to discriminate photons and neutrons in liquid scintillators.

陈宇， 王子敬，毛泽普，等，电荷比较法测量液体闪烁体n，γ分辨性能。

The influences of scattered neutrons in fast neutron imaging will be reduced while detecting distances increased.

对于同一样品，探测距离增加，散射中子的影响则降低。

Fraction of the total number of neutrons produced from fission, born from delayed neutron

C。 在由分产生之中子总中，自於迟延中子母核的分

B. Fraction of the total number of fast neutrons produced from fission, born from delayed neutron

B。 在由分产生之快中子总中，自於迟延中子母核的分

Event, the delayed neutron is more likely to: Assume both neutrons remain in the core unless

比较同一分中生成的迟延中子和瞬发中子，迟延中子比较可能＿＿。

The terms for the effects of the neutrons reflected back from outside the reactor are added as extra delayed neutron terms to the reactor kinetics equation.

在反应堆动力学方程中，考虑了堆体外反照中子效应，将其作为模拟缓发中子处理。理论计算值与实验结果符合较好。

In a closed "primary" loop, it serves as a coolant for thereactor core and as a moderator, to slow down the fast neutrons created duringfission.

在一个封闭的&主&环中，水是反应堆核心的冷冻剂和减慢裂变中高速中子的调节器。

Unlike the constituents of living organisms, fossil fuels contain little or none of the radioactive form of carbon: the carbon 14 isotope, which has eight neutrons in the nucleus rather than the usual six.

和生物体组成不同的是，化石燃料的放射性同位素碳14（原子核内有8个中子，一般碳原子只有6个）含量非常低，有些甚至没有。

Chrysanthemum of 10 thousand birthday is lax to edaphic requirement, with the arenaceous qualitative loam with fecund, good drainage had better.

万寿菊对土壤要求不严，以肥沃。排水良好的砂质壤土为好。

He unstepped the mast and furled the sail and tied it.

他拔下桅杆，把帆卷起，系住。