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1.Using GC/C/MS online carbon isotope analytic technic,abundant imforma- tion about single molecular carbon isotope composition can be taken from micro-samples(chromatographical scale).
GC/C/MS 在线碳同位素分析技术,能够从微量样品(色谱量级)中获得丰富的单分子碳同位素组成信息。收藏指正
2.We can talk about the half-life of a radioactive isotope, and indeed we can measure and state very very precisely what that half-life is.
我们可以谈论放射性同位素的半衰期，我们确实可以非常准确地测量和描述半衰期是什么。收藏指正
3.According to the clear geologic relation and information related about the isotope, the Neozoic volcanic activity can be divided into 10 stages.
据野外清晰的地质关系,结合同位素年龄资料,研究区内新生代火山活动可分为10期火山喷发。收藏指正
4.The stable isotopic research is established by studying the discrepancy in isotope ratio, which was caused by isotope fractionation, and the isotopic ratio difference can be determined by mass spectrometer.
稳定同位素的研究主要是建立在此同位素分化作用所造成的同位素比值差异，而此同位素比值差异可被质谱仪测知。收藏指正
5.Based on the avaliable isotope samples, we found that Fon-lin alluvium, groundwater can be conceptually divided into three layers.
此外由分析氢、氧同位素的组成，可定性地说明该区重要的水文循环特性。收藏指正
6.By this method the magnitude of isotope shift, isotope abundance ratio, Lorentz width and Doppler width of the spectral profile can be deduced.
由此可获得同位素效应的光谱线位移量、同位素的丰度比及其光谱线的洛仑兹宽度与多普勒宽度。收藏指正
7.The double isotope release unit applying piston-like igniter and efficient control electric circuit can release "the tiny ball" and isotope at one pass trip, and enhances testing efficiency.
应用活塞式点火头装置以及有效的控制电路设计的双同位素释放器，一次下井就可以完成“冷球”和同位素的释放，提高了测试效率。收藏指正
8.In the warm and humid area the advantage of tree ring isotope lies in the fact that δ 13C can still record the effects of winter temperature and Asiatic monsoon.
说明在热湿地区 ,冬季树木仍有同位素分馏 ,树轮δ13 C依然能记录冬季气温和东亚冬季风强弱的变化收藏指正
9.An identifiable substance, such as a dye or a radioactive isotope, that is introduced into a biological or mechanical system and can be followed through the course of a process, providing information on the pattern of events in the process or on the redistribution of the parts or elements involved.
示踪剂一种可用来识别的物质，如一种染剂或放射性同位素，可被引入生物或化学系统内并在某过程的行进方向上被跟踪，提供有关过程中事件类型或涉及到的部分或成分的重新配置的信息收藏指正
10.a radioactive isotope of strontium (with the mass number 90) that is present in the fallout from nuclear explosions; can be assimilated like calcium into bones.
锶的放射性同位素（原子质量数为），存在于核爆炸的原子尘中，能象钙一样被吸收到骨中。收藏指正
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