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碎屑堆积
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  clastic deposits
     Intense thrusting in phase B gave rise to coarse clastic deposits of the Tuchengzi and Houcheng formations. Its date is prior to 135±1 Ma and its isotopic ages ranging from 156 to 139Ma.
     B幕强烈的冲断形成了土城子组和后城组的粗碎屑堆积,时限在135Ma±1Ma前,时代为156~139Ma。
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  “碎屑堆积”译为未确定词的双语例句
     2. the reef flat.3. the beach.
     3)海滩相——由拍岸浪形成的冲流和回流将礁坪上的生物碎屑和陆上带来的陆源碎屑堆积而成,有滩肩的海滩上部沉积物受到风的改造;
短句来源
     5. the lagoon and swamp.
     5)泻湖和沼泽相——位于两道平行砂堤间,由生物碎屑和陆源碎屑堆积而成。
短句来源
     The fan marginal subfacies is located in the accumulative area of fine clastic rocks from the upper part of the middle Pleistocene to the upper Pleistocene, where groundwater is middle-poor.
     扇缘亚相位于中更新统上部—上更新统细碎屑堆积区,是地下水中等—贫乏区。
短句来源
     The analysis of their surface sediments showes that the depositional features of the sediments are controlled by the energy conditions and material sources.
     通过上述分析,提出了清澜港的潮汐通道及其邻近海域不会发生过量陆源碎屑堆积,原因在于本区沉积物的搬运、沉积和改造作用趋于保持动态平衡的认识。
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     Song-liao basin is a large Mesozoic-Cenozoic continental depositional basin developed in Xingmeng-Jihei Hercynian fold belt. Its basement is mainly composed of Paleozoic epimetamorphic rocks and the cover mostly consists of Cretaceous graywacke and organic shale formation,as well as Cenozoic loose elastic accumulations.
     松辽盆地是在兴蒙-吉黑海西褶皱带上发育起来的中、新生代大型陆相沉积盆地,基底主要为古生界浅变质岩,盖层主要是白垩系杂砂岩-有机页岩建造和新生界疏松碎屑堆积
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  相似匹配句对
     THE DEPOSITION CHARACTERISTIC OF SUPPER DEBRIS FLOW IN TIBET
     西藏特大规模碎屑堆积特征
短句来源
     PROBLEM OF PARTICLE PACKING
     颗粒堆积问题
短句来源
     Mathematical Model of heaped-up Gangue
     煤矸石堆积模型
短句来源
     Each unit consists upward of cutpouring flow accumulation, pyroclastic flow accumulation and ash cloud accumulation.
     每个单元自下而上可分为涌流堆积碎屑堆积及灰云堆积
短句来源
     CLASSIFICATION OF MARINE CLASTIC SEDIMENTS
     海洋碎屑沉积物的分类
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  clastic deposits
One was at 165-141 Ma with a peck-age of 150 Ma, and the other was at 115-113 Ma with a peck-age of 114 Ma, corresponding to the over-thrusting and the mega-clastic deposits in the southwest OB during the Late Jurassic to the Early Cretaceous.
      
Most of the clastic deposits display a second deformational episode.
      
At the depth where formation of clastic deposits becomes predominant over effusion of lavas, magmatic explosivity is subordinate to steam explosivity as a clast-forming process.
      
The upward transition to accumulation of dominantly clastic deposits is not simply related to the onset of substantial exsolution of magmatic volatiles and can occur without it.
      
Fossil cyclic calcrete in the Kuwait Group clastic deposits (Mio-Pleistocene) of Kuwait, Arabian Gulf
      
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Shalao fringing reefs make up the largest largest reef area around Hainan Island. They are located on the coast of Qionghai and Wenchag County, east of Hainan Island. The length of the reef area from north to south is about 23 km. The mean width from east to west is 4 km. The base of reefs is composed of granite. Conditions of hydrology and climate of this area are basically suitable for the growth of reefs. It seems that the studing reef area can be subdivided into the following five facies zones:1. the original...

Shalao fringing reefs make up the largest largest reef area around Hainan Island. They are located on the coast of Qionghai and Wenchag County, east of Hainan Island. The length of the reef area from north to south is about 23 km. The mean width from east to west is 4 km. The base of reefs is composed of granite. Conditions of hydrology and climate of this area are basically suitable for the growth of reefs. It seems that the studing reef area can be subdivided into the following five facies zones:1. the original reefs.2. the reef flat.3. the beach.4. the shore embankment.5. the lagoon and swamp.

海南岛东岸文昌、琼海县境内的沙老珊瑚岸礁是环海南岛现代岸礁中规模最大的礁区。岸礁基底为花岗岩,沿岸是万泉河冲积平原区。该区水文、气象因素基本适应珊瑚岸礁的发育. 礁区可分下列沉积相带:1)原生礁体相——由保持生长势的珊瑚骨架和充填于骨架中的生物碎屑组成,它们巳粘结成礁块粘结岩;2)礁坪相——自海向岸可分边缘浅滩、礁坪外带和礁坪内带,主要由生物碎屑堆积而成;3)海滩相——由拍岸浪形成的冲流和回流将礁坪上的生物碎屑和陆上带来的陆源碎屑堆积而成,有滩肩的海滩上部沉积物受到风的改造;4)沿岸砂堤相——拍岸浪的冲流把海滩沙推向高处堆积而成;5)泻湖和沼泽相——位于两道平行砂堤间,由生物碎屑和陆源碎屑堆积而成。

The Taizhi River and its alluvial fan had formed in the early period of the middle Pleistocene. On the basis of the thickness rate values of the coarse and fine rocks,geomorphological position of the sediments in the fan body, the relationship between Quaternary thickness and lower structures, and hydrogeological conditions, the alluvial fan can be subdivided into the fan apex subfacies, the fan middle subfacies and the fan marginal subfacies. The fan apex is located in the accumulative area of the clastic rocks...

The Taizhi River and its alluvial fan had formed in the early period of the middle Pleistocene. On the basis of the thickness rate values of the coarse and fine rocks,geomorphological position of the sediments in the fan body, the relationship between Quaternary thickness and lower structures, and hydrogeological conditions, the alluvial fan can be subdivided into the fan apex subfacies, the fan middle subfacies and the fan marginal subfacies. The fan apex is located in the accumulative area of the clastic rocks in the upper pleistocene, where groundwater is extremely rich. The fan middle subfacies is located in the overlapping area of the upper part of the middle pleistocene and lower Pleistocene, where groundwater is rich. The fan marginal subfacies is located in the accumulative area of fine clastic rocks from the upper part of the middle Pleistocene to the upper Pleistocene, where groundwater is middle-poor. The Taizhi River alluvial fan has four main evolutional stages. They are the sedimentary period of the glacial drift and alluvial-lacustrine facies in the early Pleistocene epoch,the glacial drift and glacial water accumulation in the early of the middle Pleistocene epoch and alluvial fan formed period in later Pleistocene, the accretional period of the Taizhi River alluvial fan in the later Pleistocene epoch,the accumulative period of the alluvial facies comparatively stable stage in Holocene epoch.

太子河及太子河冲积扇形成于中更新世早期(金坑冰期)堆积之后。根据粗细粒岩性与地层厚度所占的比值;沉积物在扇体所处的空间地貌部位;第四系厚度与下伏构造关系,以及水文地质条件,冲积扇可划分为扇顶亚相、扇中亚相和扇缘亚相。扇顶亚相位于上更新统粗碎屑岩堆积区,为地下水极丰富区;扇中亚相位于中更新统上部—下更新统迭置区,是地下水丰富区;扇缘亚相位于中更新统上部—上更新统细碎屑堆积区,是地下水中等—贫乏区。太子河冲积扇大体经历了四个演化阶段,即早更新世冰碛、冲湖积相沉积时期,中更新世早期冰碛、冰水堆积与晚期太子河冲积扇形成时期;晚更新世太子河冲积扇加积时期;全新世较稳定阶段冲积相堆积时期。

The present paper introduces the stratigraphic distribution of foraminifera collected from drill 1 at Xiyong in Xisha Islands, and may be delimited into 4 foraminiferal assemblages; Ⅰ . Nephrolepidina morgani assemblage (N11) ; Ⅱ. Miogypsina assemblage (N12);Ⅲ.Cycloclypeus-Nephrolepidina-Orbulina assemblage (N21), and Ⅳ . Calcarina-Heterostegina assemblage(N22-Q). They can be compared with the foraminiferal zonations of adjacent areas. Based on analytical material of foraminifera and dissolved mineral remains...

The present paper introduces the stratigraphic distribution of foraminifera collected from drill 1 at Xiyong in Xisha Islands, and may be delimited into 4 foraminiferal assemblages; Ⅰ . Nephrolepidina morgani assemblage (N11) ; Ⅱ. Miogypsina assemblage (N12);Ⅲ.Cycloclypeus-Nephrolepidina-Orbulina assemblage (N21), and Ⅳ . Calcarina-Heterostegina assemblage(N22-Q). They can be compared with the foraminiferal zonations of adjacent areas. Based on analytical material of foraminifera and dissolved mineral remains from drill 1 at Xiyong and surface samples in Xisha Islands, it can be inferred that the coral reef of Xisha Islands were mainly grown and deposited in late Tertiary.In Early-Middle Miocene the coral reef already had gone through 3 developed stages of Shore Reef, Reef Barrier and Atoll. In Early Pliocene water inundated all coral reefs of the Xisha area. In Pleistocene this area suffered the glacial epoch's influences, so that the coral reefs did not grow and denuded. In Holocene the area went up and formed its present land-form.Another new species Baculogypsinoides xiyongensis is established in this present paper.

本文介绍了这口井的有孔虫地层分布,划分成4个有孔虫组合。并初步探讨了该群岛珊瑚礁的成因史,确认西沙群岛的珊瑚礁主要是晚第三纪时期生长和堆积的。指出,中新世早、中期珊瑚礁已经经历了岸礁、堡礁和环礁三个发展阶段,上新世早期,海侵规模可能超过了珊瑚礁的生长速度,造成钻孔中—套珊瑚贝壳碎屑堆积,更新世本区受冰期影响,珊瑚礁遭到不同程度的破坏和剥蚀;全新世本区受新构造运动影响,为上升区。

 
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