查询词典 neutron flux

When blanket is designed, some necessary data, including tritium breeding ratio, irradiation damage ratio, intensity of activation radiation, magnet and thickness of shield, can be get through neutronics calculation. All of that must base on heat load and neutron power flux of first wall and divertor plate. So, the preparative calculation is prformed for that.

在设计包层时，需要进行中子学计算得到氚增殖率、辐射损伤率、活化放射性强度、磁体及其屏蔽厚度的计算、核加热产生率和冷却系统设计和安排的必要数据，而这一切都必须先知道第一壁和偏滤器靶板的中子壁负荷和热负荷；为此作了必要的先行准备计算工作。

A new flux expansion nodal method was developed to solve three-dimensional multigroup neutron diffusion equations in hexagonal-z geometry. The method expands the intranodal homogeneous flux distributions in analytic basis functions for each energy group.

提出了一种在三维六角形几何节块内数值求解多群中子扩散方程的节块法，该方法把节块内各群中子通量分布用解析基函数近似展开。

Activating gold foil is one of the usual methods absolute measuring the thermal neutron flux rate.

金箔活化法是中子注量率绝对测量常用方法之一，通过测量活化生成的198Au核数目，可以获知辐照场热中子注量率信息。

The corrections for neutron flux attenuation, multiple scattering and finite angle resolution are performed using Monte-Carlo method.

用蒙特卡罗方法进行中子通量衰减，多次散射和有限角分辨的修正。

Neutron flux distributions in the reactor core are measured.

6 y( j3 w9 d) g 测量了反应堆堆芯里的中子通量分布。

Powder P205 is used to measure the thermal and fast neutron flux in the X rays field.

4粉状五氧化二磷(P2O5)用以度量照野内中子剂量之工具。

Under same neutron flux, there is no error in devices in power off mode, however, errors occur in all devices in power on mode, moreover, undefined errors occur.

在相同的中子注量下，不加电的器件无错误，而加电的器件都出现错误，並且出现不確定性错误。

The spatial distribution of intra-node flux and source were approximated by a new orthogonal quadratic polynomial expansion, and a second-order polynomial provided the spatial expansion of transverse-leakage. The neutron angular distribution of flux and transverse-leakage were represented by the S quadrature set.

节块内横向积分通量、中子源的空间分布使用新的正交二次多项式近似；横向泄漏项的空间分布使用二阶多项式近似；中子通量和横向泄漏的角度通过离散纵坐标S

Therefore, BF_3 proportional counter based system was constructed and successfully implemented on HT-7. The measurement system works stably during a series of experiments. The measured neutron flux density is in ...

经过多次实验，测量系统运行稳定可靠，测量得到的中子注量率和估算得到的中子注量率在误差范围内一致。

Examing neutron integral flux is an important part of fission track technique, and determining neutron integral flux by using uranium standard glass is recommended as a mainmethod by international Fission Track Standardization Group for age-dating.

监测中子积分通量是裂变径迹技术的重要组成部分。铀玻璃监测中子积分通量是国际裂变径迹定年标准化工作组推荐的重要方法之一，铀玻璃测定法还普遍用于测定样品中的铀含量及其空间分布。

The absorption and distribution of chromium were studied in ryeusing nutrient culture technique and pot experiment.

采用不同浓度K2CrO4(0，0.4，0.8和1.2 mmol/L)的Hoagland营养液处理黑麦幼苗，测定铬在黑麦体内的亚细胞分布、铬化学形态及不同部位的积累。

By analyzing theory foundation of mathematical morphology in the digital image processing, researching morphology arithmetic of the binary Image, discussing two basic forms for the least structure element: dilation and erosion.

通过分析数学形态学在图像中的理论基础，研究二值图像的形态分析算法，探讨最小结构元素的两种基本形态：膨胀和腐蚀；分析了数学形态学复杂算法的基本原理，把数学形态学的部分并行处理理念引入到家实际应用中。