反应堆操作员计算过燃料池使输入的冷却水沸腾（即冷却失效）需多少时间。
Reactor operators calculate how long it would take, once cooling is lost, for the spent fuel to boil the water it sits in.
所以，一旦球体被分离了，新的球体能够,放进去或者它能够在计算回反应堆里,如果它燃烧完了，但没有用完，或者燃料,没有全部用完。
So once the pebble is depleted a fresh pebble can be put it in or it can be re-circulated back in the reactor if its burn-up isn't all used up or the fuel isn't all used up.
所有的这些事情需要分析，和理解，在一个反应堆物理计算中。
And all these things need to be analysed and understood in a reactor physics calculation.
在将近三年中，AECL仔细检查了枫叶的计算过程，但结果仍然如此：如果它的反应堆运行模式无误，那么P CR就应该是负值。
For almost three years, AECL went through its calculations, but nothing changed: if its model of how the reactor functioned was correct, the PCR should be negative.
尽管如此，梅内利争辩称PCR计算起来很简单，尤其在象枫叶那样的小型反应堆设计中。
Meneley, however, contests claims that the PCR is simple to calculate, especially in a small reactor like the Maple design.
在反应堆物理设计和分析时，经常要进行微扰计算，以快速分析堆芯中子截面扰动下反应性的变化量。
Perturbation calculation will be required to rapidly determine the changes of reactivity caused by core neutron cross sections perturbation in reactor physics design and analysis.
但是金先生也把这条路堵上了：他的官员们说，调查人员将既不允许取得反应堆样本(这对计算钚的数量很重要)，也不允许到宁边之外的地方游荡。
But Mr Kim's is blocking that too: his officials say that inspectors will not be allowed either to take reactor samples essential to a proper plutonium accounting, or to stray beyond Yongbyon.
给出了对具有代表性的美国《反应堆安全研究》的事故源项的计算结果。
The computing results were given for accident source term described in Reactor Safety Study of USA.
介绍了一个计算反应堆临界质量的公式，用来校验双群理论。
A formula calculating the critical mass in reactor is recommended for checking the two-group theory.
为了解决反应堆周期校验仪存在的问题，提出一种基于数值计算的软件信号源。
In order to solve the problem about the reactor period calibrating instrument, a new software signal source based on numerical calculation is presented.
程序中还引入停堆保护计算模块以模拟反应堆事故停堆后的运行工况。
The function of reactor shutdown system can be simulated by the code to calculate the operating parameters after accidental shutdown.
本文根据潜艇核动力装置运行管理的需要，提出了一个供核反应堆运行中安全校核使用的快速计算方法。
This paper describes a method for quickly checking reactor safety of submarine nuclear power plant to meet the need of operational management on the scene.
通过对脉冲反应堆辐照腔中子能谱的测量计算，总结了提高SAND -II解谱准确性的主要途径。
By measuring and calculating the neutron spectra in exposure room of Pulsed Reactor, the main ways to improve the accuracy of the solution spectra with SAND-II have summarized.
在反应堆物理计算中，扰动计算需要中子本征值方程的共轭方程。
Perturbation calculation in reactor physics requires the neutron adjoint eigenvalue equation.
该实验研究采取了理论计算、单向实验和反应堆整体水力实验相结合的技术路线。
Theoretical calculation, single test and reactor integral simulation test are adopted in this experimental study.
为验证理论计算和反应堆运行提供了有价值的参考数据。
Data of the test are valuable and useful for theoretical calculation and reactor operation.
建立临界源方向偏倚和指数变换相结合的耦合抽样方法，用于反应堆孔道的屏蔽计算。
The sampling method by coupling criticality source direction biasing and the exponential transform is established for duct shielding calculation.
对导致反应堆控制系统故障的事故序列进行了识别，计算了该系统顶事件的概率。
The event sequences leading to the reactor control system failure are identified and the top event probability of this system is calculated.
基于船用核动力一体化反应堆结构的需要，建立了新型船用气体稳压器启动充气过程的数学模型，并进行了仿真计算。
Based on the structural requirement of the integrated reactor of shipping power plant, a mathematical model about charging progress of new shipping gas pressurizer is constructed and calculated.
本文用时域边界积分方程提出研究半球形核反应堆安全壳在爆炸冲击波作用下动力响应分析的计算模型。
This paper is concerned with the transient responses of semisphere containment structure of nuclear reactor to a blast wave by the boundary element method in time domain.
简要介绍了加拿大原子能公司（AECL）目前用于CANDU 反应堆物理设计和分析的计算机程序和方法。
This paper presents an overview of the physics codes and methods that are in current use at AECL for physics design and analysis of CANDU reactors.
给出了临界计算所要求的，得自静态反应堆物理的四因子公式。
The four-factor formula obtained in the static reactor physics is given for critical calculation.
利用计算机产生精确的数字信号，再将数字信号转换成模拟信号，以获得准确的反应堆周期电流信号。
An accurate digital signal is generated by computer and converted to analog, then precise reactor current signal is acquired.
为充分利用反应堆开展对电子中微子各项物理属性的研究，首次对反应堆电子中微子通量进行了模拟计算。
For further research work on reactor neutrino experiment, we performed the first simulation of the emissions of electron neutrinos from a nuclear reactor.
证明该二配套程序可用于反应堆设计计算。
Therefore. This matching codes is applicable for reactor designs.
本文使用MELCOR软件对船用反应堆破口事故进行了模拟，计算了从事故发生到反应堆底端失效的系统响应。
This paper use MELCOR software for simulating the break accident of Marine reactors, and calculating from the happen of the reactor accident to the failure of the bottom of Marine reactors.
建立临界源方向偏倚和指数变换相结合的藕合抽样方法，用于反应堆孔道的屏蔽计算。
The sampling method by coupling criticality source direction biasing and the exponential transform is established for duct shielding calculation.
通过对安装在反应堆压力壳上的多个加速度传感器的信号进行采集，并经过信号预处理、时频变换、神经网络计算等过程，实现对核电站松动件碰撞位置的定位。
The loose part impact positions are located by analyzing signals from accelerometers mounted on the reactor vessel with signal pre processing, time frequency transforms, and neural networks.
本文介绍了CPWR640反应堆的核设计准则、堆芯特性与主要参数，并给出了堆芯核设计的主要计算机程序、计算结果及分析。
The paper presents the nuclear design criterion, reactor core characteristics and main parameters, and shows some computer codes, calculation results and analyses.
本文介绍了CPWR640反应堆的核设计准则、堆芯特性与主要参数，并给出了堆芯核设计的主要计算机程序、计算结果及分析。
The paper presents the nuclear design criterion, reactor core characteristics and main parameters, and shows some computer codes, calculation results and analyses.
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