ordovician

  • 网络奥陶系;奥陶纪;陶世
ordovicianordovician

noun

1
from 500 million to 425 million years ago;conodonts and ostracods and algae and seaweeds
Synonym: Ordovician period

数据来源:WordNet

  1. Study of the Fluctuation of Sea Level During Ordovician Period in Tarim Basin

    Hypermecaspis(三叶虫)的蜕壳塔里木盆地奥陶纪海平面变化

  2. New Fossils in Shanghai Silurian & Ordovician Period and Their Stratigraphic Significance

    上海志留纪、奥陶纪地层新发现化石及其地层意义

  3. Early Ordovician sea level events in South China and its worldwide correlation

    华南早奥陶世海平面变化及其对比

  4. The upper Ordovician of the western border of North China Platform

    华北地台西缘的上奥陶统

  5. Two types of pore structures in Ordovician reservoir in central Hebei

    冀中地区奥陶系两种储集类型

  6. The Ordovician system in China

    中国的奥陶系

  7. Hot Water Karst Characteristics of Ordovician Period in Ordos Basin

    鄂尔多斯盆地奥陶系热水岩溶特征

  8. Several Thinkings on Ordovician Limestone Karst Study in Area of North China

    华北地区奥陶系灰岩岩溶研究的几点思考

  9. On the origin of Ordovician Natural Gas in Sichuan Basin

    四川盆地奥陶系天然气成因探讨

  10. Main characteristics of the Middle Ordovician high-frequency cyclic sequences in central Hebei

    电子回旋加速器共振器冀中中奥陶统高频率旋回层序的基本特征

  11. Distribution and exploration potential of Ordovician reservoir in Ordos basin

    鄂尔多斯盆地奥陶系储层展布及勘探潜力

  12. Oil-gas sources of Ordovician reservoir in gas field of central Ordos Basin

    鄂尔多斯盆地中部气田奥陶系产层的油气源

  13. A study of reservoir characteristics of Lower Ordovician in the northern part of Ordos Basin

    鄂尔多斯盆地北部下奥陶统储层物性特征研究

  14. Dissolution Kinetic Characteristics of Ordovician Marine Carbonate in Central Tarim Basin

    塔中地区奥陶系海相碳酸盐岩储层的溶解动力学特征

  15. Study on the terrain levels of Ordovician in HeNan

    河南奥陶系地层层序研究

  16. The environment isotopic character of Ordovician cast water in east of wei north

    渭北东部奥陶系岩溶地下水环境同位素特征分

  17. New progress in the study of the Ordovician of northern Sichuan Province and southern Shanxi Province

    川北&陕南地区奥陶系研究的新进展

  18. This was the result from the large-scale regression in the Late Ordovician .

    这是晚奥陶世晚期大规模海退的结果。

  19. New advances on Ordovician fauna layer of Northwestern China

    西北区奥陶系生物分层的新进展

  20. Study on Ordovician Limestone Water Bursting Characteristics and Controlling Countermeasures in North China Coalmines

    华北煤矿奥灰突水特点及防治对策研究

  21. Application of remote sensing technique to detection of Ordovician karst water in Fengfeng mine area

    遥感技术在探查峰峰矿区奥灰水中的应用

  22. Safety analysis of coal floor rock masses threatened by confined water in Ordovician limestone

    受煤层底板承压水威胁的煤层开采安全性分析

  23. Identification and division of the Ordovician system strata in Xinjiang Tahe Oilfield

    新疆塔河油田奥陶系地层录井识别与划分

  24. The Cambrian - Ordovician boundary set between D. THE DEVONIAN SYSTEM OF CHINA

    寒武系与奥陶系界线位于D.中国的泥盆系

  25. Results Analysis of Detecting Ordovician Limestone Water in Fengfeng Coalfield

    峰峰矿区奥陶系灰岩水水质检测结果分析

  26. The Foundation of Imaging Logging Patterns of Ordovician Formation in Tahe Oilfield

    塔河油田奥陶系地层成像测井模式探讨

  27. Discovery and Study on Ordovician Potash Salt Horizons in Northern Shaanxi

    陕北奥陶系钾盐层位的发现与研究

  28. Fluid inclusions analysis of the Ordovician reservoir in Tahe Oilfield

    塔河油田奥陶系储层流体包裹体研究

  29. The application of seismic attribute technique to predict Ordovician limestone karst fractured zones

    地震属性技术在奥灰裂隙发育带预测中的应用初探

  30. Characteristics of Middle to Lower Ordovician Dolomite in Central Tarim Basin and Its Origin

    塔中地区中下奥陶统白云岩特征及成因