| 1. | Energy resolution for measurement method using optical transition radiation 光学渡越辐射测量中能量分辨精度分析 |
| 2. | In electronic circuit , the other factors that affect the energy resolution are noise , pulse pile up and ballistic deficit 电子学线路中,影响能量分辨率的主要因素有噪声、脉冲堆积和弹道亏损。 |
| 3. | This type of configuration has the advantages of better energy resolution at longer wavelengths ( soft x - ray and light elements ) and a much larger dynamic range than the energy dispersive method 其次利用~ ( 55 ) fe作放射源对探测器和mca多道分析系统进行了标校。 |
| 4. | Energy resolutions of 3 . 3 % for the ae detector and 1 . 5 % for er detector are obtained by the in - beam test with the elastic scattered 12c from 197au at the energy of 50 . 3 mev 它可单独作erd分析,也可配合q3d磁谱仪进行erd分析,获得高精度的元素深度分布谱,也可用于其它核物理实验中。 |
| 5. | Leakage current is one of key factors for the energy resolution of the detectors , the mis detector has lower leakage current thus improve the energy resolution . the mis structure is a good contact type for the cdse detectors 可见漏电流是影响探测器能量分辨率的重要因素,具有mis接触电极的探测器能有效地减小漏电流,提高能量分辨率,因而是cdse探测器的一种较佳电极接触方式。 |
| 6. | To fit the experimental data the level broadening effect and the energy resolution must be considered . meanwhile , the residual nuclei can decay spontaneously into two clusters or carry out multi - particle break - up process , these are the characteristic for light nucleus reaction 有些反应道可能经由一系列不同的反应过程,或者是两体衰变,或者是两体崩裂过程,甚至发生多体崩裂过程,这些都是轻核反应的特点。 |
| 7. | Firstly , eels of uranium and niobium with different energy electrons or energy resolution has been obtained in auger electron energy spectroscopy instrument , in order to study their influence on eels . else , oxidations of niobium at different exposure pressure of oxygen have also been studied 首先,实验分析了不同入射电子能量和能量分辨率分别对清洁表面铌和铀的eels的影响,以及不同氧暴露气压对金属铌初始氧化过程的影响。 |
| 8. | There is presently a widespread need for room temperature gamma and x - ray imaging capability for both medical and industrial applications . the interest toward the use of cdznte detector was greatly increased in the recent years because they offer a good trade - off between key perfonnance , such as the energy resolution and the absorption efficiency . and the complexity of the experimental equipment 半导体探测器是上世纪六十年代以来得到迅速发展的一种新型核幅射探测器,其能量分辨率高、线性响应好、脉冲上升时间短、结构简单、探测效率高、操作方便,在核物理实验和研究方面得到广泛的应用。 |
| 9. | This paper is focused on the design of the electronic circuits to improve the system energy resolution , including the design of the preamplifier , the shape amplifier , the base line restorer ( blr ) and the multichannel analyzer ( mca ) , discussing some problems , which should be taken into account in the design 本文着重讨论了电子学线路的设计对改善系统分辨率的影响。包括前置放大电路、成形放大电路、基线恢复电路、脉冲幅度多道分析电路的设计及设计中改善系统能量分辨率应注意的问题。 |
| 10. | Cdznte detector is a new type semiconductor detector . its energy resolution is better than nai ( tl ) detector but worse than hpge detector . it is smaller in size , lighter in weight , and more stable than traditional detectors in room - temperature applications , so it is widely used in nuclear safeguards Cdznte探测器是一种新型的半导体探测器,能量分辨率介于hpge探测器和nai ( t1 )探测器之间,并具有体积小,重量轻,能够在室温下长时间工作的优点,目前已经在核保障测量中得到广泛应用。 |