| 1. | Measurement of these nuclei are often limited by interferences of isotopes and isobars
在测量这些核素时，通常存在同位素和同量异位素的干扰。 |
| 2. | Any of two or more kinds of atoms having the same atomic mass but different atomic numbers
同量异位素两种或各多种有相同原子质量但却有不同的原子序数的原子中的任一种 |
| 3. | The energy loss method is depended on the resolution of the detector and the ion energy
E - e望远镜方法对同量异位素的分辨本领取决于e和e探测器的能量分辨本领和离子所带能量的高低。 |
| 4. | Gf - tof method is a new method to identify particles . it is significant for miniaturization and popularity of ams
这是一种新的鉴别同量异位素方法，它对于加速器质谱的小型化和普及具有十分重要的意义。 |
| 5. | Isobaric identification is very important in accelerator mass spectrometry measurement . be , 14c , 26a1 , 36c1 and 41ca have been measured using ams
在加速器质谱( acceleratormassspectrometry ，简称ams )测量中，同量异位素的鉴别具有十分重要的意义。 |
| 6. | In order to improve the resolution power , the energy method need increase ion total energy , while , the choice of the right gas pressure , the right flight length and increase total energy are effective to improvement of resolution for gf - tof method
增加对同量异位素的分辨能力，对e - e探测方法就要增加离子能量，而gf - tof方法除了增加离子能量外，合理的选择飞行路径的长度也能提高分辨能力。 |
| 7. | Isobaric identification with gf - tof method is based on the different time of flight caused by the different energy loss . the resolution of gf - tof is mainly affected by two factors . first , the rises time of current pulse from start and stop detector
Gf - tof方法对同量异位素的分辨取决于e的不同而产生的时间不同，时间分辨仅来源于定时探测器电流脉冲上升时间的快慢和离子在气体介质中的能量离散。 |
| 8. | Alpha particles of 241am were used to test the gf - tof detector system , and the best resolution ( fwhm ) is about 300ps in vacuum . measurement of 36ci is very important , 36s interference is unavoidable in ams measurement . at the same time , ciae ams group has a certain experience in measurement of 36c1 , so 36c1 was used to test the gf - tof detector system
由于~ ( 36 ) cl核素的测量有着十分重要的意义，它的质量数为36 ，并且在测量过程中存在着同量异位素~ ( 36 ) s的干扰，比较具有代表意义，同时中国原子能科学研究院ams小组对测量~ ( 36 ) cl比较有经验。 |
| 9. | The structure of the gf - tof detector system is mainly consisted of microchannel plate ( mcp ) , a surface barrier detector ( sbd ) and a gas filled chamber . mcp detector determining the start time , sbd determining the stop time and the gas filled chamber is utilizing to design a e - e detector . the article is composed of five sections
文章主要由五个部分组成：第一部分是ams的发展与应用；第二部分ams测量中同量异位素的鉴别方法；第三部分是gf - tof探测系统的原理、设计和调试；第四部分是gf - tof的ams实验测量；第五部分是总结与讨论。 |
