你能够在单群理论或这多群理论里，单群理论假设，中子能量和所有的东西，要达到一个能量，我们必须要做出些调整。
And you can do it in one-group theory or multi-group theory. One-group theory assumes that the neutron energy and everything is going on at one energy and we have to make some adjustments.
研究人员利用所谓的离子显微镜来比较月球岩石中正常的氢元素含量及同位素氘的含量，元素氘比氢多带一个中子。
The researchers used what's called an ion microscope to compare the amount of normal hydrogen in the moon rocks to the amount of the hydrogen isotope deuterium, which carries an extra neutron.
科学家用到了一种叫离子显微镜的仪器，来比较月球岩石上氢的含量与重氢含量（重氢比普通氢多带有一个中子）。
The researchers used what’s called an ion microscope to compare the amount of normal hydrogen in the moon rocks to the amount of the hydrogen isotope deuterium, which carries an extra neutron.
重氢是原子核中多一个中子的氢。
A deuterium atom is a hydrogen with an extra neutron in its nucleus.
强核力的一部分也由中子提供，在大多数原子核内，中子比质子数量多，并且不带电荷。
Some of this force is also supplied by neutrons, which outnumber protons in most nuclei and have no electric charge.
本文讨论了在混合堆和快堆的多群中子输运计算中，考虑共振自屏效应的重要性及其考虑方法。
This paper discussed the importance as well as the method of considering the resonance self-shielding effect in hybrid blanket and fast reactor neutron multigroup calculations.
其中以伽马、补偿中子及声波为目标曲线的多参数地震反演技术对于预测和评价生物礁特别有效。
Among these techniques, the seismic multi-parameter inversion taking the gamma, compensated neutron and acoustic curves as objective curves is very effective on prediction and evaluation of bioherm.
在利用活化法进行中子能谱测量中，活化箔的多群截面是必须的输入参数之一。
The multiple group cross sections are indispensable when we want to obtain the neutron spectrum by multiple foil activation method.
针对多模型方法中子模型数量过多的问题，提出一种基于模型集在线优化方案的多模型自适应控制算法，并对其实时性进行讨论。
Focus on the question of many sub models in traditional SMM, a SMM adaptive control based on online optimization method of model set is proposed.
本文采用相空间有限元方法求解了柱形临界多群中子输运问题。
The phase-space finite element method is applied to the multigroup neutron transport equation in cylindrical critical systems.
硼中子俘获疗法是60年代兴起的治疗恶性肿瘤的新方法，属于多学科多技术相结合的一门应用科学。
Boron neutron capture therapy(BNCT), a new cure for cancer, appeared in 60 's, which consists of polytechniques and manifold subjects.
利用半解析节块法的非线性迭代计算方法求解多维多群中子扩散方程。
The application of nonlinear iteration semi-analytic nodal method in CANDU reactor fuel management;
利用半解析节块法的非线性迭代计算方法求解多维多群中子扩散方程。
The application of nonlinear iteration semi-analytic nodal method in CANDU reactor fuel management;
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