At lower burnup level, the thermal stress is the principal factor affecting the safety of the rod.

在燃耗初期，裂变热导致的热应力场是影响燃料棒安全性的主要因素。

One of the way to enhance the economic benefit for nuclear power plant is to deepen burnup and extend reload cycle.

加深燃耗和延长换料周期是提高核电站经济效益的手段之一。

This paper introduced the general situation of the reactivity measurement on an experimental PWR under high burnup condition.

介绍了在实验性PWR堆上完成的深燃耗条件下测量反应性概况。

The present invention provides a burnup saving type engine oil with superior low vaporability and low temperature viscosity property.

本发明提供低蒸发性良好且低温粘度特性良好的省燃耗型机油。

Because of increasing burnup of power reactor, more advanced technologies should be applied in the reprocessing of spent nuclear fuel.

由于核电站动力堆乏燃料的燃耗深，对乏燃料后处理工艺技术提出了更高要求。

It provided the basis for constructing the spent fuel critical experimental facility and development studies of burnup credit technology.

本文为以后建造乏燃料临界实验装置，开展燃耗信任制技术的综合研究打下了基础。

The relationship between burnup and neutron emission intensity of the irradiated low-enrichment uranium oxide fuel was analyzed and studied.

对辐照过的低富集氧化铀燃料的燃耗与中子发射强度间的关系进行分析和研究。

Automatically generate key Agile metrics such as Burndown, Velocity, Estimate trends (Burnup) and Cumulative Flow Reports for releases and sprints.

针对版本和sprints的关键敏捷度量数据生成图表，如Burndown、Velocity、Estimate trends、Cumulative Flow Reports。

Two sets of transport burnup code systems based on the transport theory, Monte Carlo burnup code system and transport burnup code system, are developed.

开发了应用输运理论方法的两套程序系统：蒙特卡罗燃耗程序系统和输运燃耗程序系统。

The code was employed to optimize the cycle length, the peak power factor and the discharge burnup of the first cycle loading for the Daya Bay Nuclear Plant.

分别以循环长度、功率峰因子和卸料燃耗为目标函数，应用遗传算法对大亚湾核电站首炉装载进行优化。

To calculate burnup for the cores with fast neutron spectrum, we have written the linking codes to process the input and output of MCNP code and ORIGEN2 code.

采用通过编写连接MCNP程序和ORIGEN2程序的接口处理程序的方法进行快中子系统的燃耗计算。

In this paper, a set of important formulae for burnup determination of fuel element from HFETR are deduced and researched, and main formulae of ASTM E244 are reformed.

本文推导和研究了适用于高通量工程试验堆燃料元件燃耗测定的重要公式，并将ASTM E244的公式作了重要修改。

This paper represents the analysis and calculation of thermal group parameters of gadolinium oxide as burnable poison, and characteristics of energy spectrum with change of burnup.

本文简要计算并分析了钆可燃毒物热群参数、能谱随燃耗变化的特性。

Threeequivalent methods are studied, in which a few imaginary fission products. Inthis method the maximum error of the reactivity effect process is only about 2%in the whole burnup.

我们推荐其中一种等效方法，它将所有裂变产物等效成两种假想裂变产物，其反应性效应在整个燃耗过程中的最大误差仅约2%。

The various methods currently being used in burnup determination of nuclear fuels are studyed and reviewed, The mass spectrometry method of destructive testing is discussed emphatically.

研究和评论了目前使用在核燃料燃耗测定中的各种方法，并着重讨论了破坏性燃耗测定的质谱法。

For reactors loaded with fuel assemblies of different burnup, the evaluation model can te used to calculate core physical parameters such as core neutron multiplication factor, burnup increment, etc.

对于堆芯内布置不同燃耗深度的燃料元件的反应堆，应用本模型可以估算堆芯燃耗物理参数如：堆芯中子增殖系数、燃料元件燃耗增值等。