稳定性氢氧同位素是广泛存在于水中的环境同位素。
The stable hydrogen and oxygen isotope is an environmental isotope, which extensively exists in various kinds water.
本文阐述了环境同位素在地下水研究中的作用和饮马河流域水文地质概况。
Effect of environmental isotopes on studying groundwater in YinMahe drainage basin and the regional hydrogeology are described in this paper.
利用环境同位素技术追踪傍河水源地开采条件下的河水激发补给过程和补给强度。
With the environmental isotope technique, the induced recharge of river water under pumping condition in water source site adjacent to the river has been probed.
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.
利用环境同位素及地下水水质的分析,结合地质条件,对调查堤坝渗漏具有很重要的意义。
It is very important to survey the seepage of dike or dam by using environmental isotope and water quality analysis, as well as the geological conditions.
环境同位素和核技术提供无敌的对在过去和现下气候区下管理水循环和它的变化性的过程了解。
Environmental isotope and nuclear techniques provide unmatched insights into the processes governing the water cycle and its variability under past and present climates.
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.
氚作为一种天然的环境同位素可广泛应用于水文地质领域,由于实测资料的稀缺,极大地限制了氚的应用。
Tritium, as a natural environmental isotope, can be broadly applied in hydrogeology. The application of tritium is greatly limited by the scarcity observations.
大气降水的同位素含量是国家的一项基本环境数据,也是开展环境同位素科学研究和环境同位素水文地质工作必不可少的基础资料。
The precipitation isotopic content is one kind of national basic environmental data, indispensable for the environmental isotope scientific research, including environmental isotope hydrogeology.
通过分析其中的同位素(同一种元素拥有不同的质量)比例,他可以了解这些菊石所生活的环境特征,如温度和盐度。
By analyzing ratios of isotopes — variations of the same element with a different mass - he can learn things about the environment they lived in, such as temperature and salinity.
SEPA的放射性物质主任詹姆斯 格梅尔说,”检测出来的放射性碘同位素浓度极低,不对公众和环境构成影响.
Dr James Gemmill, Sepa's radioactive substances manager, said: "The concentration of iodine detected is extremely low and is not of concern for the public or the environment.
渡边刚表示,这些同位素比例为珊瑚生长环境的海水温度及盐度情况提供了线索。
Those ratios provide clues about the temperature and salinity of the water in which the corals were immersed, Watanabe says.
在土壤排水良好、氧化的地下水环境中,地下水的氮同位素组成反映了源的特征。
Nitrogen isotope compositions of groundwater reflect characteristics of contamination sources in the environment of well-drained soils and oxygenated ground waters.
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.
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.
煤的硫、氢同位素组成明显地受环境的影响。
Sulphur and hydrogen isotope composition of coal are evidently effected by environment.
环境记录显示,末次冰期间冰阶(即氧同位素3阶段)期间该区呈现出极端冷湿的气候环境。
Environmental records show that in that area the environment was extremely cold and wet during the interstage of the last glaciation (deep sea oxygen isotope stage 3).
概述了钙同位素分馏机理、分析测定以及在环境地球化学研究中的应用。
Fractionation mechanism, analytical method and its applications in environmental geochemistry of calcium isotopes are summarized in this paper.
并将碳、氧同位素这一环境敏感指标推广到了高矿化度的“准”咸湖的环境中。
And we also can extend c, o isotopes, this sensitive environmental information indicator to nearly saline lake conditions of high degree mineralization.
三叠纪是地球环境的重大变革时期,海水锶同位素组成的研究也较为困难。
Triassic is a period with a great change in global environment, so it is more difficult to study its strontium isotopic composition of seawater.
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.
本文利用测井、钻井和C、O同位素等资料,研究了核二段各砂组沉积时期的沉积环境、相带分布、砂体展布以及沉积演化规律。
Sedimentary environment and its evolution, distribution of sedimentary facies and sand bodies are discussed on the base of the data of log, drilling and c, o isotope.
环境样品的硫同位素比值能够提供硫的来源及其在环境中扩散迁移的相关信息。
Sulfur isotope ratio of environmental sample can provide detail information regard to origin and transport of sulfur in the environment.
从微量元素、稀土元素、同位素等方面论证了霍各乞矿田中元古宙为大陆边缘弧后裂谷盆地构造环境。
The studies of microelement, rare earth element and isotope compositions that the Huogeqi polymetallic ore field was formed in rift basin of back arc continental marging during Proterozoic Era.
利用洞穴次生化学沉积物进行古环境重建是第四纪全球变化研究的一个热点,而碳氧稳定同位素是最重要的气候替代性指标。
The carbon and oxygen stable isotopes have been considered to be the most effectual proxy indexes in reconstructing the paleoclimate of Quaternary.
水体同位素组成的变化实际上是依存于环境变化的一种综合性反应。
The variation of water isotope composition is actually an integrated reaction depending on the change of environment.
介绍的数学模型考虑了混合云中液、固态共存时以及冰面过饱和环境下稳定同位素的动力分馏效应。
The introduced mathematical model takes into account the role of the kinetic fractionation effect in a supersaturation environment at the ice surface as liquid and solid phases coexist in mixed cloud.
本文通过对典型热泉的地质背景、环境条件、水化学及碳、氦稳定同位素的分析,探讨了我国云南省深大断裂出露温泉CO_2释放的一般规律。
This paper discussed the rule of CO_2 degassing from deep faults hotsprings in Yunnan by analysis of the geology background, environment condition, chemistry of water and carbon, helium isotope.
在垂向上,碳、氧同位素的变化与沉积相演化和海平面曲线相吻合,说明它们与沉积环境的演化密切相关。
Their variations are consistent with the sedimentary facies and the sea level curve, showing a good response to the sedimentary environment.
安固里淖自生碳酸盐碳氧同位素反映的环境变化与我国北方地区的全新世环境以及海平面的变化基本一致。
The environment change reflected by authigenic oxygen and carbon isotope coincides with the environment change in north of China and China sea in the same period.
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