查询词典 geologic time

Hot mineral spring water ; geologic setting ; formation mechanism ; development and using ; Changchun City

地热矿泉水；地质背景；形成机制；开发利用；长春市

The Waterpocket Fold, a 100-mile long wrinkle in the earth's crust known as a monocline, extends from nearby Thousand Lakes Mountain to the Colorado River, featuring its grand and colorful geologic charateristics.

水袋皱折——这是地球地壳表面一条100英里长的单斜层，从千湖山附近一直绵延至科罗拉多河，以宏伟壮观的地质特点而著称。

Keywords geologic features;ductile shear belt;mylonite;mineral-bearing potentiality;Xinglong gold mining area

地质特征；韧性剪切带；糜棱岩；含矿性；兴隆金矿区

Bared on the theory of plate tectonics, neural network, geologic hazards analysis and the remote sensing and monitoring of geotechnical techniques, it also finishes about the map of seismotectonics in Taiwan area, seismic risk map form 2001 to 2010 in Taiwan areas, the yearly tendency analysis of seismicity and the harmful analysis of seismic at Chiayi city.

本文由大地工程的板块构造学说、类神经网路应用、地质灾害分析和大地遥测与监测技术应用等出发，完成(1)台湾地区的地震地体构造区分图；(2)台湾地区未来10年的地震危险图；(3)年度地震趋势分析方法；以及(4)嘉义示范区的地震危险性与地质灾害分析等有关地震与震害预测之研究。

Visualization of geologic information is the basis of visual design for large-scale hydropower projects,and is the research focus and nodus in the fields of mathematical geology and engineering geology.

地质信息可视化是大型水电工程可视化设计的基础，同时也是工程地质和数学地质领域的研究热点和难点。

On the basis of an analogy and analysis of the metallogenic geologic conditions,geochemistry and microelement between domestic typical medical stone and that of Jiangxi Province,the author have pointed out the prospecting direction for medical stones in Jiangxi Province.

通过对国内典型麦饭石矿与江西省麦饭石矿的成矿地质条件、岩石化学及岩石微量元素等特征的类比和分析，提出了江西省麦饭石矿的找矿方向。

On the basis of an analogy and analysis of the metallogenic geologic conditions,geochemistry and microelement between domestic typical medical stone and that of Jiangxi Province,the author have pointed out the prospecting direction for medical stone s in Jiangxi Province.

通过对国内典型麦饭石矿与江西省麦饭石矿的成矿地质条件、岩石化学及岩石微量元素等特征的类比和分析，提出了江西省麦饭石矿的找矿方向。

Research puts forward that Bayingou ophiolite is the geologic record of Tianshan early Carboniferous "Red Sea Type" Ocean basin..

4研究提出巴音沟蛇绿岩是天山早石炭世"红海型"洋盆的地质记录。

According to both the geologic char-acteristics of Palaeozoic buried hills and the condition of seismic data in the area,we designed the following data processing steps:.

文中给出了二维地震资料叠前深度偏移的实例，其应用效果良好。

Based on modern optimization theory and optimal control theory, this dissertation studies some questions as follows:1. The optimization model of parameter identification of three-dimensional geologic history numerical simulation, algorithm and its applicationGeologic history numerical simulation is a basic content of basin numerical simulation, and the porosity is the major parameter in the evolution and development process of oil-bearing basin. According to the sedimentation and burial mechanism, the physical and chemical principles of oil geology, the mudstone porositys non-linear parabolic partial differential equation has been established.

本文应用现代最优化及最优控制理论，对如下一些问题进行了研究： 1、三维地史数值模拟的参数辨识优化模型、算法及应用地史模拟是盆地数值模拟的一个基础性的研究内容，地层孔隙度是含油气盆地地史演化发育过程中的重要参数，根据地层沉积埋藏机理和石油地质的物理化学原理，通过引入数学物理方程概念，建立了泥岩三维孔隙度场方程，根据问题的特点，给出了方程的定解条件，对方程的动边界也给出了处理方法，并且证明了解的存在性与惟一性，在此基础上建立了以当今实测数据为拟合准则的三维地史数值模拟的参数辨识优化模型，这是一个含有二阶偏微分方程约束的泛函极值问题。

This paper designs the communication system of radio telescope FAST.

针对500m口径球面射电望远镜FAST分布式控制系统的特点完成了其通信系统的设计。

Political sheep's step-by-step a large number of fossils unearthed in the county soil Ma Ali after rural village in the middle of sallow pelitic siltstone.

步氏和政羊化石大量出土于广河县阿力麻土乡后山村，产于灰黄色泥质粉砂岩中。