控制棒

Seismic analysis is one of most important parts of fast breeder reactor core design. It is necessary for structural integrity assessment and analysis of variation of reactivity under the earthquake. Moreover some important data for qualification of the scram capability of the control rods during the earthquake could be provided.

快堆堆芯抗震分析是堆芯设计的重要组成部分，它将为堆芯在地震作用下的结构完整性评价和堆芯反应性变化分析提供必要的数据，同时为控制棒的可插入性评价提供参考。

This paper presents a theoretical model for the control rod drive mechanism for the 10－MW High Temperature Gas Cooled Reactor (HTR-10) and analyzes accidents which may occur in the drive mechanism, for example, chain break, coupling damage and other damage scenarios.

针对10－MW高温气冷堆(HTR-10)控制棒传动机构可能出现的事故隐患——链条断裂、联轴器键损坏现象，建立了其传动机构的理论分析模型，进行了能量分析。

Reactor power was increased from 20% to 30% in 1 hour using only control rod withdrawal.

反应功 的提升只使用控制棒抽出方式，在一小时内从20％增加至30％。

The theoretical analysis and experimental study on the mechanics of this new control rod driving system is important to the reactor safety and system application.

对这种新型控制棒驱动系统的机理进行详尽的理论分析和实验研究对于低温堆的安全和系统的推广应用有着重要的意义。

You set your control rod and coolant flow settings once per day.

每天你都要设定一次核子控制棒的位置和冷却剂的流量。

Hydraulic driving system is a new type driving system of control rod based on hydrodynamic pressure.

水力驱动装置是利用流体动压原理设计的一种新型控制棒驱动机构。

The reactor is operating at 85% power with control rod X-Y inserted 20%.

一反应器在85%功运转，X-Y位置的控制棒插入20％。

The step action of the hydraulic control rod driving has been achieved by experiments.

通过实验获得了水力驱动控制棒步进的动态过程。

In order to assure that the plant can be safely shutdown and to comply with the requirement of 10CFR 50.62, various ATWS prevention mitigation features have been implemented in the design of Lungmen Plant, including Fine Motion Control Rod DriveRun In, Alternate Rod Insertion, Automatic Initiation of Standby Liquid Control System, Reactor Internal Pump Trip/ Runback, Feedwater Flow Runback, and Inhibition of Automatic Depressurization System.

摘要 核四厂属进步型沸水式核能电厂，其采用数位式仪控系统设计，考虑设计上可能存在软体共因失效问题，导致反应器无法顺利急停，产生预期暂态未急停（Anticipated Transient Without Scram， ATWS）事件，为确保反应器安全，并符合10CFR 50.62法规要求，电厂设计上装设有缓抑ATWS事故之软体与硬体设施，包括微调控制棒驱动机构插入、替代性控制棒插入、备用硼液控制系统自动启动、炉内泵跳脱、炉内泵回退、饲水回退与禁止自动释压系统开启等型态。

The internal boundary condition can be used to compute thin slab control rod worth in thermal research reactor. Internal boundary condition has been used to compute the control rod worth in JAERI's JRR-3M, and the results are compared with ones of JAERI.

对通过採用能量相关的內边界条件，在扩散理论的范围內计算薄板型热中子研究堆控制棒价值进行了理论分析，成功地计算了日本原子能研究所JRR-3M的控制棒价值，並与日本的计算结果进行了对比。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。