| 1. | Analysis of helium cryogenic cycle for the cooling of cold neutron source
用于冷中子源系统的氦制冷循环方案分析 |
| 2. | Also , the research of nuclear heating and gain factor is the chief content for every cns
对它们的研究是冷中子源系统研究的主要内容。 |
| 3. | Firstly , the calculation is carried out for those elements that affect heating such as the kind of moderator , moderator cell material and so on
在利用mcnp程序进行准确计算核发热和冷中子源增益的过程中，研究并解决了一些关键技术。 |
| 4. | It was in this paper that the main research contents of nuclear heating and gain factor and its crux technology are affirmed for carr
本文针对中国先进研究堆( carr )的冷中子源系统，研究并确定了冷中子源系统核发热和冷中子增益的主要计算方法。 |
| 5. | Almost each new constructed research reactor had installed cns with the reason that cold neutron scattering experiment is the outstanding in neutron scattering experiment research
中子散射实验研究中尤以冷中子散射实验更为突出，因此，几乎所有新建或改建的研究性反应堆上都设有冷中子源系统。 |
| 6. | At the pre - design size of the cns 20cm 20cm , the transmission efficiency and neutron current have been campared among various design scheme of the cngs with characteristic wavelength of 0 . 2nm and 0 . 4nm
在冷源预设计尺寸20cm 20cm下，从传输效率和中子流量的角度对特征波长为0 . 2nm和0 . 4nm的两条冷中子导管的多种设计方案进行了比较。 |
| 7. | The total nuclear heating is important elements for cns design and construction . at the same time , the gain factor is the principle exhibition of its performance , which also affects the design and installation of neutron guide tube and neutron apparatus connecting with it
核发热量是冷中子源系统设计和建造的重要基础，冷中子增益是冷源装置性能的重要体现，直接影响着与其相连的中子导管及中子谱仪的设计和安装。 |
| 8. | In addition , the result by using this method for nbsr cns in nist ( national institute of standard technology ) is compared with calculating result provided by the expert from nist . the consistency between our result and expert ' s argues that our methods are corrected
利用该计算方法对nist ( nationalinstituteofstandardtechnology )研究所的nbsr ( neutronbeamscatteringreactor )研究堆冷中子源进行验证计算，结果符合得很好。 |
| 9. | Finally , it was compared and optimized for those basics that influence the heating and gain factor such as the position of cns vertical channel , the dimension of moderator cell and so on . all in all , this study can provide the calculating method , analyzing method , optimized ways and partial optimization for carr cns design and construction
对同时影响核发热和增益的因素(如：垂直孔道位置及冷包尺寸)进行了分析比较和优化，为carr堆冷中子源系统的设计和建造提供了计算方法、优化思路和部分优化结论。 |
