古河道
- Ancient river channel;fossil river course
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CSAMT法在内蒙古某古河道砂岩型铀矿勘查中的试验应用
Application test of CSAMT method to the exploration of paleo-channel sandstone type uranium deposit in Inner Mongolia
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以PHC管桩加固某电厂古河道地基为依托,进行了PHC管桩受力特性研究。
Based on the old channel ground of a power plant improved by PHC pipe piles , the mechanical characteristics of PHC pipe piles are studied .
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古河道由水流切割而侵入下伏的红色粉砂岩中。
Channels are incised by streams into the underlying red siltstones .
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南京市古河道及其与城市建设的关系
Old channel and its influence on municipal construction in Nanjing City
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3启用古河道分流泄洪;
The old river ways should be used to discharge the flood ;
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古河道桩基施工实践
The Practice of Foudation Piling in the Old Channel in Longyan City
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杭州城区古河道承压含水层特性研究
Study on the Properties of Confined Aquifer of Old Stream in Hangzhou
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空间上,它与侏罗纪直罗组辫状古河道体系有关。
It is spatially related to Jurassic Zhiluo Formation with braided palaeochannel systems .
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古河道砂岩型铀矿水文地质找矿研究
Research on hydrogeologic prospecting for paleochannel sandstone-type uranium deposit
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古河道砂岩型铀矿的几种勘查方法
Some prospecting methods for paleochannel sandstone-type uranium deposit
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上海陆域地区古河道溺谷相沉积层工程地质特征研究
Engineering Geological Feature Study of Paleochannel Drowned-valley Facies Strata in the Shanghai Land Area
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海岸地貌以及滨海平原区古河道、古湖沼洼地是影响海水入侵的重要地貌因素;古河道带上,海水以层状入侵和越流入侵为主;
Paleochannels and coastal landforms were the main geomorphic types that affected seawater intrusions .
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大安古河道盐碱土类型与开发利用模式研究
Research on the types and exploitation models of saline soil in Da'an Ancient Riverway
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古河道沉积体系与赋铀性
Paleochannel depositional system and its uraniferous characteristics
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古河道砂层的存在,是影响围坝稳定的主要环境因素。
The sand stratum in old river bed is important factor affecting stability of dam .
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吴淞江古河道地基土液化的评价
Evaluation of the liquefaction ancient stream channel of the foundation soil of the wu-song River
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晚更新世以来潍河古河道沉积及其对现代咸水入侵的控制
Sedimentary Characteristics of Weihe Palaeochannel Since Late Pleistocene and Their Control to Modern Salt-Water Intrusion
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潍河下游地区浅埋古河道沉积与第四系地层划分
Shallowly buried ancient channels and Quaternary strata division in the lower reaches of the Weihe River
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青岛近海古河道断面特征与古地理变迁关系研究
Relationship Between River Cross Section Characters and Change of Ancient Geography of Offshore in Qingdao Bay
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在垂向上,古河道自下而上分为5段,其粒径呈愈向上愈细的趋势。
The ancient river channel can be divided into 5 parts vertically , in fining upwards tendency .
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上海及长江口第四纪沉积层中埋盖的古河道
The buried channels in the Quaternary sediment at the mouth of the Yangtse River and in Shanghai area
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辽东湾中北部浅层埋藏古河道沉积特征及对海上工程的影响
Sediment Characteristics of the Shallow Buried Paleo-Channels in the North-central Liaodong Bay and Their Negative Effects on Nautical Engineering
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古河道沉积物形成承压含水层,其中蕴藏丰富的淡水资源,可供开发。
The confined aquifers have been formed by sediments of the ancient five channels which containing plenty of fresh-water resources to be exploited .
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该研究表明,在富水性较强的古河道发育位置,要合理留设防水煤岩柱,才能保证煤矿安全生产。
Through above research , in the old river channel where water-abundance is good , the pillar must be suitably left for the safe of mining .
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滇西发育一系列地堑&向斜小型自流盆地,是寻找古河道砂岩型铀砂的有利地区。
A series of small artesian basins of graben-syncline type are developed in West Yunnan , which are the advantageous areas to prospecting the sandstone U deposit of ancient river bed .
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利用雷达遥感的穿透特性,对在北非撒哈拉的埃及南部发现沙层覆盖下的古河道,对阿拉伯半岛风沙覆盖的地质特征等作了广泛的研究。
With this ability of radar , paleo-river covered by drift-sand was found in the south of Egypt , northern Africa , and the geological features beneath the sand in Arab peninsula was also outlined .
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本文研究古河道砂岩型铀矿化特征、控制因素和成矿规律,分析盆地铀成矿条件和找矿前景。
In this paper , we have the study of metallogenetic characteristics , controlling factors and metallogenetic rule of sandstone U deposit of ancient river bed and the analysis of metallogenetic conditions and ore prospecting potentiality of U in the basin .
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单县组为黄河古决口扇、古河道沉积,岩性主要为细砂、粉砂;
Shanxian formation is old crevasse splay and old channel sedimentary of the Yellow river , and its propery is mainly fine silt and silt ;
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内陆架地貌主要有陆架堆积平原、水下阶地、古海岸线、古河道、小丘和坑洼群等;
In the inner shelf , the main geomorphic types have the accumulational plain , shoreface terrace , an - cient costal line , ancient stream channel , mamelon and pit-and-pots .