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  head region
     Earthquake monitoring in reservior head region of TGP
     三峡工程库首区地震监测
短句来源
     STUDY ON RISK OF INDUCED EARTHQUAKE IN RESERVOIR HEAD REGION OF THREE GORGES PROJECTION ON YANGTZE RIVER
     长江三峡工程库首区诱发地震危险性研究
短句来源
     On the basis of investigation of the geological environmental conditions of reservoir earthquake in the Three Gorges on Yangtze River we have estimatied the seismic risk of induced earthquake in the reservoir head region by two methods:analysis of geological environment and probability analysis. We consider that the places where the earthquakes of \%M\%s 5.5 or less will occur probably are the north ends of the Jiuwanxi and Xiannushan faults.
     在研究长江三峡水库诱发地震地质环境条件的基础上 ,采用地质环境和概率分析两种方法对库首区蓄水后的诱发地震危险性进行了评估 ,认为本区发生中、强地震的可能地点是九湾溪断裂和仙女山断裂北端 ,诱发地震的震级上限为 5 .5级
短句来源
     Earthquake monitoring in reservoir head region of TGP started 46 years ago,which is rare in the hydraulic electricity history all over the world.
     三峡工程库首区地震监测至今已有46年,在世界水电史上也是罕见的。
短句来源
     The Xiluodu Hydropower Station on the Jinsha River is a giant hydropower station, but a thrust nappe structure-Majiahe Dam fault-lies in the reservoir head region.
     金沙江溪洛渡水电站为一巨型水电站,库首区发育一逆冲推覆构造——马家河坝断层。
短句来源
  “首区”译为未确定词的双语例句
     A Discussion on the Engineering Geology Environment Evolution of Surface Crust of the Three Gorges Project Aera of Yangtze River
     长江三峡库首区地壳表层工程地质环境演化的探讨
短句来源
     INTELLIGENT ANALYSIS OF DEFORMATION BEHAVIORS OF PERMANENT SHIPLOCK OF THE THREE GORGES PROJECT
     三峡工程永久船闸三闸首区开挖变形特征的智能分析
短句来源
     The main problem on simulation of tectonic stress field after reservoir impounding in the head area of the Three Gorges is the influence of“canyon effect” and “rock soften.”
     迄今为止,长江三峡库首区蓄水对上地壳构造应力场影响的数值模拟研究中存在的最大问题是未考虑地形“峡谷效应”和库水下渗导致“岩石弱化”的影响。
短句来源
     Crustal vertical deformation models in the front area of Sanxia reservoir
     三峡库首区地壳垂直变形的模型研究
短句来源
     (c)There are obvious spatial differences in land use changes.
     (3)土地利用变化存在明显的区域差异,以库首区变化最大.
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  相似匹配句对
     The authors have first found wollastonite in Kangguertage of eastern Tianshan.
     作者次在该找到了硅灰石矿。
短句来源
     Earthquake monitoring in reservior head region of TGP
     三峡工程库地震监测
短句来源
     Plant regeneration from I.
     次从I.
短句来源
     polycrystalline area;
     多晶;
短句来源
     Northwest China.
     西北
短句来源
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  head region
In the head region of the body, the wall of the medial vessel consists of myoepithelial cells of the coelomic lining (peritoneal cells), a basal lamina, and true muscular endothelial cells.
      
Three disarticulated bone elements from the head region were examined; the neurocranium, the premaxilla and lower jaw.
      
In the period when males and females were together (188 min), we observed 'approaching the head region of the female' (57.7%), 'touching the operculum' (39.4%), or 'approaching the urogenital area' (2.9%) by the males (total 725 seconds (s)).
      
Infants frequently initiate rubbing with their mothers, with particular focus on her head region.
      
It has been argued that by avoiding the head region of predators during inspections, prey can reduce the risks associated with such behaviour (attack cone avoidance).
      
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This paper presents respectively the finite element digital modelling of the present structural stress field at scale 1:1000000 in the region of the Three Gorges Project yangtze River, and the modelling and analysis of the evoiution of structural stress field from Yanshanian Period through Neotatonic Period till present at scale 1:500000 in the front area of reservoir. Regional and front mondellings show that there doesn't exist structural.

本文分别进行了长江三峡工程区域1/100万现今构造应力场有限元数值模拟和长江三峡工程库首区1/50万燕山期、新构造期和现今构造应力场演化规律模拟和分析。区域模拟结果表明:坝区不存在发生大于5级地震的构造应力场背景,库首区模拟结果表明:坝区不存在发生大于3级地震的构造应力场背景。

Based on the detailed field materials, the author elaborates the geometry and kinetics of Shizikou gravitational gliding structure in the head area of the Three-Gorge project, esti-mates its deformation amount and displacement, and investigates its mode of formation. In addition, the author also discusses regional geological features of linear image zone in Shizi-kou area and suggests that the linear image zone is a synthetic reflection of gravitational gliding structure, lithology, geography and other factors;...

Based on the detailed field materials, the author elaborates the geometry and kinetics of Shizikou gravitational gliding structure in the head area of the Three-Gorge project, esti-mates its deformation amount and displacement, and investigates its mode of formation. In addition, the author also discusses regional geological features of linear image zone in Shizi-kou area and suggests that the linear image zone is a synthetic reflection of gravitational gliding structure, lithology, geography and other factors; the linear image zone does not af-fect the crust stability in the Three-Gorge project area and the dam area.

本文基于详细的野外资料,论述了三峡工程库首区狮子口重力滑动构造的几何结构和运动学特征;利用平衡剖面技术估算了重力滑动构造的变形量和滑移距离;探讨了其形成机制。另外,本文还讨论了狮子口地区线性影象构造带的地质特征,认为该线性影象带是浅表层次重力滑动构造、岩性、地貌等因素的综合反映,对三峡工程区和坝址区地壳稳定性没有重大影响。

This paper has carried out a complete discussion on the engineering geology eaviroament evolution of the three Gorges project area, particularly is some controversy problems. Based on the author's research work, some new results have been obtained. First, the auther expounds the surface crust structure of the Project area, emphasizing the important signifcances of the three faults of Xiannushan Fault. Jiowanxi Fault, and Tianyangping Fault and analyzing the multiperiodic activity and earthquake-pregnant mechanism...

This paper has carried out a complete discussion on the engineering geology eaviroament evolution of the three Gorges project area, particularly is some controversy problems. Based on the author's research work, some new results have been obtained. First, the auther expounds the surface crust structure of the Project area, emphasizing the important signifcances of the three faults of Xiannushan Fault. Jiowanxi Fault, and Tianyangping Fault and analyzing the multiperiodic activity and earthquake-pregnant mechanism of Xiannushan Fault in term of the composition, the structure and the dynamic property of the fault tectonites. Second, it slso expounds that the activity of Xiannushan Fault has been mainly in the direction of Souty and North in term of the distrubution of Cretaceous system and old Tertiary system, the position of warm springs, the topography harmony and the ground stress consistency. Third, according to the mosern ground stress results and stereographic analysing results, etc, it proves that the ground stress in the Project area has been basically in the direction of North and East Since Yanshan Mountain Movements. Fourth, Based on the study on the physical action of geology and the accumulation of Quaternary system it has also been found that there does not exist the terrace overlap, in Xiantan Aera and that Yaozi conglomerates have no tectonic deformation evidences. Moreover, combined the new structure study of the three Gorges, this paper also puts forwards a dividing plan for new tectonic period, which has some practical significances to the study of engineering geology environments.

文章对三峡库首区的工程地质环境演化进行了较全面的探讨,尤其是对某些有争议的问题进行了论证并据自己的工作得到一些新的结果。作者首先论证了库首区的地壳表层结构,强调仙女山、九湾溪、天阳坪三断裂构成的K字型断裂系的重要意义,并据断裂构造岩的成分结构及力学性质分析了仙女山断裂的多期活动及孕震物理。其次从白垩—老第三系的分布、温泉的排列、地形变的协调性、地应力的一致性论证了仙女山断裂活动自新构造期以来即已南北一体化,其北延过江的形式是反经验的,即以挤压应力拗折带的形式过江,而在地表无确定的断裂带存在。第三,由赤平投影解,水系优势方位统计等反演研究及现代地应力测量结果,证明库首区自燕山运动以来基本上以NW向应力场为主,属于NNW向构造体系。第四,由阶地、第四纪堆积物及物理地质作用的研究,发现新滩地带不存在阶地“超覆”,瑶子“砾岩”并无明显的构造变形迹象。库首区自新构造期始至今稳定抬升,升率约为0.1 mm/gt。在此背景下,发育了秭归—渔洋关孕震断裂带及黔江—兴山孕震断裂带的一部分。这两个带控制的地区、地壳内外动力地质作用活跃。特别是新滩地带近2000年的重力崩滑(外动力)...

文章对三峡库首区的工程地质环境演化进行了较全面的探讨,尤其是对某些有争议的问题进行了论证并据自己的工作得到一些新的结果。作者首先论证了库首区的地壳表层结构,强调仙女山、九湾溪、天阳坪三断裂构成的K字型断裂系的重要意义,并据断裂构造岩的成分结构及力学性质分析了仙女山断裂的多期活动及孕震物理。其次从白垩—老第三系的分布、温泉的排列、地形变的协调性、地应力的一致性论证了仙女山断裂活动自新构造期以来即已南北一体化,其北延过江的形式是反经验的,即以挤压应力拗折带的形式过江,而在地表无确定的断裂带存在。第三,由赤平投影解,水系优势方位统计等反演研究及现代地应力测量结果,证明库首区自燕山运动以来基本上以NW向应力场为主,属于NNW向构造体系。第四,由阶地、第四纪堆积物及物理地质作用的研究,发现新滩地带不存在阶地“超覆”,瑶子“砾岩”并无明显的构造变形迹象。库首区自新构造期始至今稳定抬升,升率约为0.1 mm/gt。在此背景下,发育了秭归—渔洋关孕震断裂带及黔江—兴山孕震断裂带的一部分。这两个带控制的地区、地壳内外动力地质作用活跃。特别是新滩地带近2000年的重力崩滑(外动力)与区域地震(内动力)在时空上具有明显的相谐性。此外,文中还结合三峡的新构造研究提出了新构造期次划分方案,它对于工程地质环境研究是有实际意义的。

 
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