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1)  Ra-Be neutron source
Ra-Be中子源
2)  RA center
RA中心
3)  Rheumatoid arthritis/therapeutics of Chinese herb
RA/中药疗法
4)  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。
5)  ~(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。
6)  neutron source
中子源
1.
DZF-B portable broadband controllable neutron source.;
DZF-B便携式宽频带可控中子源
2.
Activation detection of the neutron yield from a DPF pulsed neutron source;
DPF脉冲中子源中子产额的活化测量研究
3.
Study on measurement technique of weak neutron source intensity;
弱中子源强度测量技术研究
补充资料:Ra-Be中子源
分子式:
CAS号:

性质:由226Ra和铍混合制成。226Ra及其4个子体放射性核素放出的α粒子轰击铍靶,通过9Be(α,n)12C反应产生中子。1g镭的中子输出约为2×107s-1,226Ra的半衰期为1602a,该源的中子输出率可认为基本不变,故常被用作标准中子源。其缺点是γ剂量率太高,离源1m处达800mR/(h,Ci),使用时需注意屏蔽。

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