查询词典 geologic time

Based on the collecting information, local water testing and inspection of water quality, this paper study on the thermal spring characters of isotope and element hydrogeochemistry in Daocheng, Sichuan,We research areal geology background, geologic characters, mostly hydrogeologic conditions and summarize water quality of springs, distributed characters, basic types.

论文在大量搜集资料的基础上，野外开展现场水文测试及水质长期监测，对稻城地区各水体的氢、氧同位素及温泉水元素地球化学特征进行了研究。

This design gains experience on usage of unboned prestressed technology in the Xiao Lang Di Project and other projects, as a result, the problem of how to design lining of tunnels in low covered and unfavorable geologic conditions can be solved.

本设计充分吸收了小浪底工程和近年来其它应用环锚技术的工程设计成果，对解决大伙房水库输水二期工程浅埋复杂地质洞段衬砌设计难题起到了关键的作用。

The result shows that the unconformity depth determined by logging data coincides with that ascertained in geologic information.

结果表明，测井确定的不整合面深度与地质确定的不整合面深度基本吻合。

For some years volcanism, but the kinds of geologic activity observed at the two boundaries kerosene continued to be the principal one.

在 20 世纪 60 年代它的理论雏形中，描述了海底的生成和毁灭，但没有详细介绍坚硬的岩石圈板块。

Geologic, well log and seismic patterns are determined with different kinds of sediment under uniform differentiating standard.

建立不同沉积类型的地质、测井及地震相模式，统一判别标准。

As is low porosity and low permeability gas reservoir in Daniudi Gasfield and the influence of the drilling and geologic conditions on it, the total hydrocarbon values in wellsite gas logging could not accurately reflect reservoir gas bearing properties, and the interpretation and evaluation accuracy was decreased.

大牛地气田为低孔、低渗油气藏，由于钻井与地质条件等因素的影响，现场录井随钻全烃值不能准确反映储集层的含气性，降低了解释评价的准确性。

Based on the Changxing Agricultural Geologic Environment Survey in Zhejiang Province, the paper marks the abnormal plot of some elements in the soil of surface layer in Meishan Basin, such as Cd、Hg、As、Ni、Pb、S、Br、Cl、F, and lays emphasis on the spatial distribution of the abnormalism, and also evaluates the environmental quality of soil and shallow groundwater preliminarily. The results show that enormous coal gangue was stacked with open-air as a result of coal mining of Meishan Basin.

文章以长兴县农业地质环境调查结果为依据，结合区域浅层、深层土壤及浅层地下水测试分析数据的统计特征，圈定了煤山盆地土壤中Cd、Hg、As、Ni、Pb等重金属和与采煤有关的S、Br、Cl、F等不同元素的地球化学异常图，重点分析了异常的空间表现特征，并对土壤、浅层地下水环境质量进行初步评价。

The report contains a Geographic Information Systems compilation of geophysical, geological, and tectonic data for the Circum-North Pacific. This area includes the Russian Far East, Alaska, the Canadian Cordillera, linking continental shelves, and adjacent oceans. This compilation can be used to: study the Mesozoic and Cenozoic collisional and accretionary tectonics that assembled this continental crust of this region; study the neotectonics of active and passive plate margins in this region; and construct and interpret geophysical, geologic, and tectonic models of the region.

报告对环北太平洋地球物理、地质和板块构造的数据进行了地理信息系统编辑，包括俄罗斯远东、阿拉斯加、加拿大山脉、以及相连的大陆架和海域，可用于研究中生代和新生代碰撞加积的板块，这个板块是由此区域的陆壳组合而成的，研究活跃与不活跃板块边缘的新板块构造，并且建立和解释此区域的地球物理、地质和构造模型。

The surrounding ground of the Metro works is a complex natural geologic body,which is not only heterogeneous,aeolotropic and discontinuous,but also is subject to the influence of the initial stress and the ground water.

地铁施工所接触的岩体是一种极其复杂的天然地质体。它不仅具有非均匀性，各向异性和不连续性，还受原始应力和地下水的影响。

This thesis discusses the evolvement of Hebei Province water resources situation in detail, making clear the bad influence such as environmental anhydration, soil desertification, aggravating water pollution and deteriorating geologic environment on the Hebei water ecological environment from decrease of water resources and increase of water consumption together with economy development.

论述了河北省水资源演变情势，阐明随着水资源量的减少和经济发展用水量的增加对水生态环境所产生的不良影响——环境干化、土壤沙化、水质污染加重、地质环境恶化等。

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。