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1)  252Cf neutron source
252Cf中子源
1.
The nuclear temperature of 252Cf neutron source has been obtained by T=1.
利用BC-501A探测器测量了252Cf自发裂变中子源,得到不同中子阈能的252Cf中子分布条件下的中子探测效率,实验得到了252Cf中子源的核温度T=1。
2.
The neutron decay constant of a new type of boron-doping polyethylene material has been measured by SZJ-4 BF3 long counter and 252Cf neutron source.
采用SZJ-4型BF3长计数器和252Cf中子源测量了一种新型含硼聚乙烯材料的中子衰减系数∑,测量不确定度为4。
2)  ~(252)Cf neutron source
252Cf中子源
1.
The experimental equipment of the neutron activation analysis is improved using MCNP code simulation,and ~(252)Cf neutron source is used as an irradiation source because of its high neutron yield.
结果显示,252Cf中子源中子活化在线分析可以较好地满足工业要求。
3)  Cf fission neutron source
252Cf裂变中子源
4)  252Cf neutron
252Cf中子照射
1.
Objective To investigate the potential effect of 4-amino-pynidine(4-AP)on human cervical carcinoma cell line HeLa to 252Cf neutron ray.
67Gy252Cf中子照射后48h,用MTT法和流式细胞仪检测各组细胞活性、凋亡率。
5)  252Cf source
252Cf源
1.
This paper briefly described the application of the slab type mini 252Cf source in nuclear physics, nuclear hardening and Nuclear pumped Laser experiment.
简要叙述了平板型微252Cf源在中子物理、抗核加固以及核泵浦激光实验中的应用情况,着重介绍了实验装置中真空室的设计特点以及与各种实验相应的测试系统。
2.
The method in simulation of radiation effect test by 252Cf source was introduced,and the single event burnout experiment was carried out.
本工作涉及利用252Cf源进行辐射效应试验研究的方法。
6)  Cold neutron source
冷中子源
1.
The feasibility of the new cooling method in the world, two-phase thermo-siphon with auxiliary cooling,was studied in order to resolving the difficulties in the design of China Advanced Research Reactor(CARR) cold neutron source(CNS).
针对中国先进研究堆(CARR)冷中子源的技术难点,研究采用国际上尚无先例的带助冷冷包结构及带助冷两相热虹吸自然循环冷却方式的可行性。
2.
The strength of the moderator cell of cold neutron source(CNS) was analyzed under internal and external pressure.
利用ANSYS软件包对某研究堆冷中子源(CNS)的冷包在内外压共同作用下的强度进行分析。
3.
A series of calculation methods were established in order to calculate the nuclear heating and gain factor accurately,which are two important parameters of hydrogen circulation for the cold neutron source(CNS) in China Advanced Research Reactor(CARR).
为准确计算和研究中国先进研究堆(CARR)冷中子源装置氢系统的核发热和冷中子增益,建立了一整套计算方法。
补充资料:(α,n)中子源
分子式:
CAS号:

性质:由α衰变放射性核素与某些轻元素组成的发射中子的放射源。α放射性核素发射的α粒子轰击某些轻元素如铍时,通过49Be(α,n)612C核反应生成中子,可作为中子源。可供利用的。放射性核素有210P0,226Ra,238pu和241Am等。(α,n)源在中子照相,仪器刻度及中子测井中应用较广。

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