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transportation calculation
相关语句
  输运计算
     For the neutron transportation calculation, accurate fission neutron source is the prerequisite and fundament ensuring that the calculation results are reliable.
     在中子输运计算中,准确的裂变中子源是保证计算结果可靠性的前提和基础。
短句来源
     So the impact of fuel assemblies burn-up on core fission neutron source parameters shall be considered in the neutron transportation calculation.
     因此,在中子输运计算中,必须考虑组件燃耗对堆芯的裂变中子源参数的影响。
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  “transportation calculation”译为未确定词的双语例句
     The third chapter shows the core algorithm of numerical simulation on one dimensional river network water-sediment transportation, in which water-sediment transportation calculation mode of complex river system is constructed and scientific processing of key points is discussed aiming at problems of simulation on water-sediment transportation in complex river system.
     第三章一维河网水沙数值模拟的核心算法,针对复杂水系水沙模拟存在的问题,讨论复杂水系水沙计算模式的建立和关键环节的科学技术处理;
短句来源
     The mechanism, transportation, calculation methods and errors of lightning production nitrogen oxides for regional thunderstorm were mainly narrated. The calculation methods and selection of parameter were briefly introduced for the regional characteristics calculation of lightning production nitrogen oxides.
     重点叙述了发生在区域性雷暴中闪电产生氮氧化物的机制、传输以及计算方法和可能误差 ,并对闪电产生氮氧化物区域特征计算方法和参数的选取作了简要介绍
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  相似匹配句对
     The calculation of C.
     C.
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     Design Calculation of Slurry Pipeline Transportation
     浆状管道输送的设计计算
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     Calculation of beam transportation through a collimator
     通过准直器的束流传输的计算
短句来源
     On Sustainable Transportation
     论可持续运输
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     Logistics and Transportation
     物流与运输
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In reprocessor, solution tanks, sometimes containing rasching rings, are always composed of anomalous cells. Based on AMPX code system and by analysing this kind of cells, the present work was done to find a rational approximate method for resonance self-shieldling analysis and cell homogenization. A reliable multigroup cross section library for transportation calculations is provided. It gives an useful method for critical evaluation of anomalous cells system.

本文以后处理厂溶解槽、含拉西环溶液为例,通过分析其栅元特性,采取一系列合理近似,在现有的AMPX群截面库计算系统的基础上,寻找较为理想的栅元共振自屏及截面权重平均的近似处理方法,为最终迁移计算(或蒙特-卡洛模拟计算)提供较为满意的群截面库。从而为这类非常规栅元系统的临界安全分析开辟一条可靠途径。

This paper introduces the direction biasing, a special Monte Carlo variance reduction technique. Exponential transform method is used to eliminate the underirable fluctuations of direction biasing. Results from γ ray transportation calculations indicate that direction biasing in conjunction with the exponential transform greatly enhances the efficiency of Monte Carlo transport simulation. (

本文介绍了一种非常独特的减方差技巧——方向偏移。通过结合使用指数变换方法消除了方向偏移过程中粒子权重起伏大的问题,从而大大提高了计算效率。将此法用于光子输运的计算中,取得了很好的效果。

For the neutron transportation calculation, accurate fission neutron source is the prerequisite and fundament ensuring that the calculation results are reliable. As the fuel assemblies burn-up is increased, nuclides such as 235U gradually consumed, and nuclides such as 239Pu、240Pu、241Pu gradually accumulated, resulting in the variation of average number of fission neutrons (ν) and average releasing energy of each fission(E), and the value of ν/E raised along with the increasing of fuel assemblies...

For the neutron transportation calculation, accurate fission neutron source is the prerequisite and fundament ensuring that the calculation results are reliable. As the fuel assemblies burn-up is increased, nuclides such as 235U gradually consumed, and nuclides such as 239Pu、240Pu、241Pu gradually accumulated, resulting in the variation of average number of fission neutrons (ν) and average releasing energy of each fission(E), and the value of ν/E raised along with the increasing of fuel assemblies burn-up. So the impact of fuel assemblies burn-up on core fission neutron source parameters shall be considered in the neutron transportation calculation.

在中子输运计算中,准确的裂变中子源是保证计算结果可靠性的前提和基础。随着组件燃耗的加深,235U等核素不断消耗,239Pu、240Pu、241Pu等核素不断积累,导致每次裂变产生的平均中子数ν和裂变释放的平均能量E也随之变化,裂变中子源的归一化因子随燃耗增加而增加。因此,在中子输运计算中,必须考虑组件燃耗对堆芯的裂变中子源参数的影响。

 
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