| 1. | Comparative study on sample preparation in carbon and oxygen isotope analyses of lake ostracode shells
介形虫碳氧同位素测定样品处理方法对比研究 |
| 2. | Stable carbon isotope analyses in sediments and its impli cations for reconstructing climatic and environmental changes
再建气候环境演化历史的碳同位素技术 |
| 3. | The results of groundwater isotope analysis show that the groundwater in the yinchuan plain has different recharge patterns
摘要地下水同位素特征表明银川平原地下水具有不同的补给模式。 |
| 4. | Compared c13 & o18 isotope analysis curve with lake level curve , further analyzed palaeoenvironment
通过分析、对比碳氧同位素曲线与湖平面升降曲线，对古沉积环境的变化规律有了进一步的认识。 |
| 5. | Standard guide for sampling and reporting of results for determination of biobased content of materials via carbon isotope analysis
通过碳同位素分析测定材料的生物基含量的测定结果的抽样和报告用标准指南 |
| 6. | Various indoor or outdoor equipments are available for conducting field studies in the field of hydrogeology / hydrology including environmental isotope analysis
多种室内/室外仪器设备资源可用于包括同位素分析的多项水文/水文地质的野外现场研究。 |
| 7. | Isotope analysis of her hairrevealed that she spent the years before she died in america ' s westernmountains , which helps detectives concentrate their search
对她的毛发同位素分析显示在她被杀之前她在美国西部的山区生活了数年，这将帮助缩小搜索范围。 |
| 8. | Among them the x - ray diffraction analysis is mainly used to confirm clay mineral assemblages and their crystallinity ; chemical analysis and electronic microscope are used to study the source , the genesis and the evolvement process of clay minerals ; radioactive isotopes analysis can make up the relationship between the time and space which is based on the climate index and the chronology ; hydrogen and oxygen isotopes also provide important evidence for reconstructing paleoclimate
其中， x射线衍射分析主要用来确定黏土矿物组合及其含量以及某些黏土矿物的结晶度化学分析电镜分析主要用于黏土矿物的来源成因演变过程的研究放射性同位素的研究使气候指标和年代学建立起时间和空间上的联系而氢氧同位素分析亦能对古气候重建提供重要佐证。 |
| 9. | First , on the base of investigating geleshan geologic environments , the author carefully analyzes them , studies their water storage structure , discusses the relationship of underground water dynamic changes and tunnel drainage by desiccation ; secondly , the author makes the dynamic analysis , regression analysis , routine hydrochemistry analysis , isotope analysis , so draws to guan - yin gorge anticlire east and west slot ' s karst developing features , alternated conditions underground water and supplying drain ways ; thirdly , by stating the fissuring ' s surveying data , the author calculates the seeping tensor
作者在进行歌乐山地质环境调查的基础上，仔细分析了大量观测资料，研究其储水构造，掌握地下水动态变化与隧道施工涌水的关系，及补给受降雨的影响情况。对隧道周围的地下水进行动态分析、回归分析、常规水化学分析以及同位素分析，得出观音峡背斜东西翼槽谷的岩溶发育特征，及地下水的循环交替条件、补给排泄途径；统计分析裂隙测量数据，计算渗透张量。 |
