研究地质

Three main methods with lacustrine carbonates have been used to reconstruct the lake water palaeo-temperature at present. First, the technique of isotopic geological thermometer, since being put forward to reconstruct sea-water paleo-temperature, was subsequently introduced into lacustrine carbonate sediments for constructing lake-water based upon the function relationship between lake-water temperature and the oxygen isotopic compositions of lacustrine carbonate and lake-water. Second, paleo-temperature of the lake-water can be reconstructed by determining Mg/Ca values of the lacustrine ostracode shells. And third, paleo-temperature of the lake-water can be reconstructed based upon the statistic model between the oxygen isotopic composition of lacustrine carbonate and the Lake-water temperature by testing the modem hydrogeological parameters and some relevant isotopic data of the lake basin.

目前利用湖泊碳酸盐对湖泊古水温进行重建主要有三种方式，一是运用同位素地质温度计原理，利用水温与湖泊碳酸盐氧同位素值和湖水氧同位素值三者之间的函数关系，对湖泊古水温做定量研究；二是通过测定介壳[Mg(上标 2+)]/[Ca(上标 2+)]进而重建古水温；三是通过测定湖泊流域范围内现代水文气象参数及一些相关的同位素资料直接建立起湖泊自生碳酸盐氧同位素值与温度间的统计模型。

The height of the steps on crystal faces increases with the increment of oversaturation degree of gold. The density of the steps adds with the rise of alka...

这一结论得到河南祁雨沟金矿、阶段自然金晶体形态的证实，并与其它金矿的地质事实和人工合成实验结果相符，其对金矿成矿和找矿研究具一定的指导意义。

The environmental palaeobotany, one of new research fields in palaeobatany, investigates palaeovegetation succession, discusses i...

环境古植物学是古生物学中一个新的研究领域，它探讨地质历史时期古植被的演替、化石植物与环境之间的内在联系，恢复地史时期的古气候与古环境。

The environmental palaeobotany, one of new research fields in palaeobatany, investigates palaeovegetation succession, discusses internal relations of fossil plants-environment and reconstructs change of palaeoclimate and palaeoenvironment through geological time.

环境古植物学是古生物学中一个新的研究领域，它探讨地质历史时期古植被的演替、化石植物与环境之间的内在联系，恢复地史时期的古气候与古环境。

It is based on the present writers' achievements of study and mapping of quantitative lithofacies palaeogeography of the Cambrian and Ordovician in North China, South China and Northwest China.

在对华北地区、华南地区和西北地区寒武纪和奥陶纪定量岩相古地理研究及编图成果的基础上，结合其他地区（主要是蒙兴地区、昆仑秦岭地区、西藏地区、海南岛和台湾地区）的地质资料，编制出了中国晚奥陶世岩相古地理图，并撰写出本文。

The evolvement of climate environment in the geological history is one important contents ofthe paleoceanography research and has an important significance.

地质历史时期古海洋气候环境的演变也是古海洋学研究中的一项重要内容，具有十分重要的意义。

Magnetic susceptibility (χ, mass-specific; or κ, volume-specific) has been widely used for paleoclimatic and paleoenvironmental studies.

作为地质与环境演化过程的替代指标，磁化率被广泛地用来研究各种与古气候和环境演化相关的问题。

In terms of the location of mining areas in Xiang-Qian mercury deposit belt as well as regional geology and paleogeographic setting.the genesis of country rocks is discussed.

梁仁枝，许效松，贵州丹寨寒武系层控型汞——金矿床研究由矿区在湘黔汞矿带所处的位置，结合区域地质及古地理背景，讨论了含矿围岩的成因。

A detailed geological, isotope chronological, petrological and geochemicalstudy combined with collection and sorting out of relevant data has been carried out on thegranitoids.

本文系统收集和整理了相关地质资料，并对区内中生代花岗岩类进行了较详细的地质学、年代学、岩石学和岩石地球化学研究。

Based on the test of the slope rock physicomechanical properties, the investigation of the engineering geological conditions, dynamic test and deformation monitoring in situ, a calculation model for determining the potential slide surface is presented, and the potential slide surface and damage model are determined.

所研究的边坡为露天岩质边坡，已出现多次滑坡，根据对边坡岩体的物理力学性质测试，现场工程地质调查，现场动力学测试及滑体位移观测，提出了确定边坡潜在滑动面的计算模型，确定出了优势滑动面及破坏模式。

The labia have now been sutured together almost completely.The drains and the Foley catheter come out at the top.

此刻阴唇已经几乎完全的缝在一起了，排除多余淤血体液的管子和Foley导管从顶端冒出来。

To get the business done, I suggest we split the difference in price.

为了做成这笔生意，我建议我们在价格上大家各让一半。