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。
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.
氧同位素组成是一个非常有效的示踪硫酸盐的起源和形成环境的工具。
The composition of oxygen isotope is a good tool to trace the origin and formation environment of sulfate.
放射性同位素示踪法测吸水剖面工艺在油田已应用很久了。
Radioisotopic tracer technology measuring water entry profile has been used in oil fields for a long time.
第三种重要方法是同位素示踪分析。
铅同位素示踪理论应用于城市环境污染源的研究,能够取得比较理想的结果。
And the study on application of lead isotope tracing for city environment pollution sources can get a good result.
该方法较同位素及综合示踪法定性分析更为精确。
The proposed method is more accurate than the qualitative investigation such as isotopic tracer.
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。
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.
近年来铅同位素示踪在研究土壤中相关重金属来源及其运移途径起到独特的作用。
In recent years lead isotope tracing has been playing its unique role in studying the source and migration of heavy metals in soil.
文章综述了同位素示踪技术在上述方面的应用现状和发展趋势。
The article summed isotopic tracing characteristics, and reviewed its applied progress and tendency in above-mentioned fields.
同位素示踪注水剖面测井的理论基础是同位素示踪测量技术。
Isotopic trace injection profile logging theory is based on isotopic tracer measurement technology.
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。
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.
并且,由于铜是主要成矿元素之一,所以铜同位素对于成矿物质来源和成矿过程的示踪更为直接。
Moreover, as one of major ore-forming elements, copper isotope composition can directly trace ore-metal source and ore-forming process.
贾富国,王福林,白士刚,夏吉庆,基于同位素示踪技术的糙米调质后各层水分分布规律的研究。
The effect of permeation time on the water distribution in each layer of brown rice during rice moisture conditioning treatment was studied based on isotope tracing technology.
铅同位素示踪技术是环境地球化学中极具发展前景的研究手段之—。
Lead isotopic tracing is one of the most prospective methods in environmental geochemistry.
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。
Isotope tracer study and temperature measurement of inclusions show that the fluids in Tazhong have deep source characteristics.
在今后的土壤吸附研究中应该结合形态分析和放射性同位素示踪的方法,并加强对根际土壤这一新领域的研究。
In further study, sequential extraction and usage of radioisotopes should be combined with isotherm analysis, and the investigation of heavy metals adsorption by rhizosphere soil should be stressed.
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。
The distribution and accumulation dynamic of 14co32 - in red common carp and hornwort was studied by using isotope-tracer technology.
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。
Some characteristics such as accumulation, transference of HTO in simulated Marine ecosystem were studied with isotope tracer technique.
在实验室中用同位素示踪法,研究了土壤中不同石油污染量对氮矿化及硝化速率的影响。
Isotope dilution method was adopted in lab for the study of the effect of crude oil contamination on the rate of nitrogen mineralization and nitrification in soil.
利用放射性同位素示踪技术研究荔枝果皮对外源钙和蔗糖的吸收及细胞壁构建规律。
Absorption of exogenous calcium and sucrose and their deposit onto the cell walls in litchi pericarp were studied by using radioisotope tracer technique.
本文论述了同位素示踪测井技术在测定地下水含水层参数方面的应用。
The application of radioistope tracer log to detect the parameters of groundwater and aquifers is stated.
应用同位素示踪和模拟生态系统技术,研究了进入水生生态系中的抗蚜威的转移、富集和降解等。
Isotope tracing and simulated ecosystem techniques were employed to study transfer, bioaccumulation and degradation of pirimicarb in aquatic ecosystem.
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 fissured rock seepage flow field of Xinanjiang river right dam is studied by using the isotope tracer method.
介绍了“同位素示踪”法和“db—3 i型堤防管涌渗漏检测系统”在洪泽湖大堤渗漏检测中的应用情况,并对两种方法的应用进行了对比。
This paper introduces the applications of "isotope tracting method" and "DB-3 I embankment piping and leakage detecting system" to Hongze Lake embankment, and compares the two methods.
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。
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.
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。
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.
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。
Both temperature analysis and environmental isotope tracer method are natural tracer method. Temperature is important influence factor to the distribution of environmental isotope.
本文介绍了堤坝渗漏探查的同位素示踪技术,包括人工同位素单孔示踪技术和环境同位素示踪分析技术。
This paper introduces isotope tracing technique, including artificial and environmental isotope tracing technique, and its application on the survey of dike and dam leakage.
利用放射性同位素示踪技术,研究14C菲在“植物火山石营养液空气”封闭系统中的迁移转化。
The transportation and transformation of 14 C phenanthrene in a closed 'plant lava nutrient solution air' chamber system was studied by using radioactivity technology.
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。
The isotope tracer method presents the advanced method of carbon isotope, nitrogen isotope, oxygen isotope and Pb tracer.
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