| 1. | Neutral beam injection ( nbi ) heating is one of the main auxiliary heating methods in controllable nuclear fusion experiment
中性束注入加热是可控核聚变主要的辅助加热方式之一。 |
| 2. | It is very significant for the research of nucleus fusion in resolving energy sources shortage , and neutral beam injection ( nb1 ) heating is one of the important assistant heating methods in nucleus fusion
核聚变研究在解决当今能源短缺问题上具有十分重大的意义，中性束注入加热是核聚变中重要的辅助加热方式之一。 |
| 3. | This paper introduces the neutral beam injection equipment that was the national chiefly supported project in 95 duration and mainly introduces the design and research of its computer monitoring and control system
本文介绍了中国科学院等离子体物理研究所国家九五重点支持项目ht - 7中性束注入装置监控系统的设计和研制。 |
| 4. | The research and studies on computer monitoring and control system in ht - 7 neutral beam injection equipment make sure to monitor and control the experimental process when the equipment runs in the closed environment
开展中性束注入装置监控系统的研究，确保该装置在封闭运行的情况下对实验过程进行远程实时监控，具有十分积极的意义。 |
| 5. | The article primary introduces composing of ht - 7 neutral beam injection ( nbi ) system , then mainly analyzes gas target thickness , that is pressure distribution of neutralizer gas cell , one of factors which affect heating efficiency of nbi
本文首先介绍了ht - 7中性束注入( nbi )加热系统的组成，然后对影响中性束注入加热效率因素之一的气体靶厚度即中性化室的压力分布进行了重点分析。 |
| 6. | The theoretical analysis of large cryocondensation pump for nbi was mainly concerned . this paper emphasized on analyzing and calculating the heat load of cryocondensation pump , simulating thermal transmission coefficient and molecule transmission coefficient of radiation baffle according to monte carlo method , analyzing the process on cryo - surface and the factor of affecting pumping speed and hydrogen layer thickness of influencing cryo - parameter , etc . finally by verifying the pumping speed on large cryocondensation pump for neutral beam injection system , the pumping speed of 4 . 0x105l / s ( for h2 ) was proven to be reasonable
本文首先介绍了中性束注入系统的国内外发展状况，阐述了中科院等离子体所ht - 7中性束注入系统的构成，主要对用于中性束注入系统的大型低温冷凝泵的特性进行了理论分析；对冷凝抽气面的热负载进行了分析计算；用蒙特卡罗法对辐射挡板的分子传输几率与热传输几率进行了模拟计算；研究了低温表面的处理方法对抽速的影响以及氢层厚度对各低温参数的影响；最后对用于中性束注入系统的大型低温冷凝泵的抽速进行了验证，得出的结论是：选取40万升秒的抽速是合理的。 |
| 7. | Liquid helium cryocondensation pump has great advantages in large pumping speed , working pressure range and high ultimate pressure , etc . it ' s more excellent than any other vacuum pump . it can meet the vacuum requirement of nbi and can improve the transportation efficiency . the development of neutral beam injection ( nbi ) system in the world , the structure of nbi system used on the ht - 7 device of asipp was introduced in the thesis
液氦低温冷凝泵是利用低温面对气体有强吸附能力的原理，实现抽气的真空获得设备，它具有抽速大、工作压强范围宽、极限真空度高等一系列优点，是普通真空设备无法比拟的，作为中性束注入系统的主抽泵，它能满足中性束注入系统对大抽速的要求，提高中性束的传输效率。 |
