This paper presents a determination method of specific activity for uranium isotope in rocks, soil, water and thorium isotope in rocks using 232u as a tracer isotope.
本文介绍了用(232u)作示踪同位素，测定岩石、土壤、水体中铀同位素及岩石中钍同位素比活度的方法。
The combination of enriched stable isotope tracer studies and activation analysis techniques has become an ideal and reliable technique, especially in the fields of biology and medicine.
浓集的稳定同位素示踪研究和活化分析技术相结合已成为一种理想可靠的技术，在生物医学中更显示出它的特色。
Isotope tracer study and temperature measurement of inclusions show that the fluids in Tazhong have deep source characteristics.
同位素示踪研究及包裹体测温揭示了塔中地区流体具有深部来源特征。
Both temperature analysis and environmental isotope tracer method are natural tracer method. Temperature is important influence factor to the distribution of environmental isotope.
温度和环境同位素示踪方法同属于天然示踪方法，且前者是后者的重要影响因素。
Some characteristics such as accumulation, transference of HTO in simulated Marine ecosystem were studied with isotope tracer technique.
运用同位素示踪技术研究了氚水在模拟海水生态系统中的积累、迁移等特性。
The isotope tracer method presents the advanced method of carbon isotope, nitrogen isotope, oxygen isotope and Pb tracer.
同位素示踪法着重阐述了较先进的碳、氮、氧和铅同位素的示踪。
Based on the principle of isotope tracer in single well, and combing with well-theory of seepage flow, a mathematic model of two-dimension fissure network is proposed in the paper.
在应用单孔同位素示踪原理的基础上，结合地下水渗流井流理论，建立了二维裂隙网络的渗流计算模型。
Isotope tracer technique showed that glucosamine sulfate above can pass through the skin in vitro of test animal in a diffusion cell and osmose into subcutaneous tissue.
同位素示踪研究结果显示，实验中制备的放射性同位素标记的氨基葡萄糖硫酸钠可穿过扩散池内的离体实验动物皮肤，进入皮下组织。
The fissured rock seepage flow field of Xinanjiang river right dam is studied by using the isotope tracer method.
应用同位素示踪方法对新安江右坝的裂隙岩体渗流场进行了研究。
The distribution and accumulation dynamic of 14co32 - in red common carp and hornwort was studied by using isotope-tracer technology.
本文采用同位素示踪技术研究了14CO 32-在红鲤和金鱼藻中的分布与积累动态。
Effects of covering with new soil on reducing the accumulation of radio-cerium in soybean were studied adopting the isotope-tracer techniques of simulated pollutants.
采用模拟污染物的同位素示踪技术研究了客土覆盖对降低大豆中放射性铈积累的效应。
This article presents how to shower isotopes, the exact process of isotope tracer flow survey, and its interpretation methods.
同时还总结出几点经验，如测井速度的选择、同位素的释放、负流量的形成原因等。
The hardware design emphasis random-weak-signal measurement in isotope tracer method, and reliability of the system has been discussed in the third part of this thesis.
在测量与控制系统的硬件中，重点研究了放射性测量中的随机信号以及弱电流脉冲信号的测量技术，文中还对测控系统的可靠性设计进行了研究。
The hardware design emphasis random-weak-signal measurement in isotope tracer method, and reliability of the system has been discussed in the third part of this thesis.
在测量与控制系统的硬件中，重点研究了放射性测量中的随机信号以及弱电流脉冲信号的测量技术，文中还对测控系统的可靠性设计进行了研究。
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