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1)  AFA 3G Gd rod
含钆燃料棒
1.
AFA 3G Gd rod is indispensability part of assembly,through the technical research of the top end plug welding of M5-alloy,Analyzing the main reason of the welding deficiency and give the solution.
AFA3G含钆燃料棒是高燃耗组件不可缺少的部分,通过M5合金含钆燃料棒上端塞TIG焊接的工艺研究,对产生焊接缺陷(气胀)的主要原因进行分析并给出解决对策。
2)  burnable gadolinia fuel rods
含钆可燃毒物棒
3)  plutonium-containing fuel rod
含钚的燃料棒
4)  fuel rods
燃料棒
1.
The blue circle oxide films on fuel rods near the welded zone by electron beam (EB) welding were formed after corrosion tests.
燃料棒电子束焊接试样腐蚀后,在近环焊缝区会出现蓝色氧化膜环现象。
2.
The paper concernes in the features of re-fabrication and dismantling of the fuel assembly and the design of hot cell examination devices, as well as the non-destructive and destructive examinations of the fuel rods with the average burnup of 30.
5GW·d/t燃料棒的非破坏性检验和破坏性检验;室温和高温下的燃料棒检漏。
5)  Fuel rod
燃料棒
1.
The on-line detection of fuel rod failure in nuclear power plant (NPP) can overcome the disadvantage of traditional chemical sampling method that could not monitor continuously and could not predict in time when rod failure occurred.
采用在线检测方法对现役核电站燃料棒的破损情况进行监测可以克服传统化学取样方法不能连续探测和不能及时报告堆内燃料破损情况的不足。
2.
The technology of power adjusting is one of the key technologies of fuel rod ramp test.
燃料棒功率瞬变调节技术是燃料元件堆内瞬态行为试验研究中的关键技术之一。
3.
The paper mainly researches problems concerned in several design criteria for PWR fuel rod.
本文主要研究和讨论目前国内外有差别的若干压水堆燃料棒设计准则方面的问题,并简介燃料棒燃耗加深、设计和制造工艺改进、新材料应用和使用条件变化等对压水堆燃料棒安全设计准则的影响。
6)  fuel bundle
燃料棒束
1.
The course of the localization and running condition of CANDU-6 fuel bundle production line for HWR Nuclear Power Station—Baotou Nuclear Fuel Plant(BNFP), is presented.
介绍了我国第一条重水堆核电站用CANDU6燃料棒束生产线———包头核燃料元件厂的建设历程和运行状况,描述了CANDU 6型燃料棒束的技术特征、制造工艺流程及主要工艺技术条件要求。
补充资料:含钆中子毒物
分子式:
CAS号:

性质:天然钆中,丰度为14。7%的155Gd和丰度为15.7%的157Gd的中子吸收截面均很大,并且它们吸收中子后,产物不再具有毒性。钆可作为可燃毒物,随着堆的运行,可燃毒物逐渐消耗而释放出反应性,以补偿由燃料消耗引起的反应性的降低。加入可燃毒物可增加燃料燃耗深度,展平反应堆中子通量的分布。

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