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tectonic
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  构造
    EVOLUTIONAL CHARACTERISTICS OF RECENT DEFORMATION FIELD AND SEISMOGENIC TECTONIC MODEL IN HEXI -MT.QILIAN AREA
    河西—祁连山地区近期形变场演化特征与孕震构造模式
短句来源
    A RESEARCH ON THE CONVERSION OF GRAVITY FIELD INTO REGIONAL TECTONIC STRESS FIELD
    重力场转换区域构造应力场的研究
短句来源
    Ttiggering Seismic Tectonic Background of 1695 Linfen Macroquake
    1695年临汾大地震发生的构造背景
短句来源
    TECTONIC ELECTRICAL CHARACTERISTICS AND A-MODEL SUBDUCTING PATTERNS OF SOUTHWEST TARIM BASIN-WEST KUNLUN AREA
    塔里木盆地西南部—西昆仑地区构造电性特征与A型俯冲模式
短句来源
    DEEP EARTHQUAKES IN NORTHEAST CHINA AND THEIR TECTONIC SIGNIFICANCE
    中国东北深震及其构造意义
短句来源
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  大地构造
    PALEOMAGNETIC RESEARCH ON THE PHANEROZOIC TECTONIC EVOLUTION OF CHINA
    显生宙中国大地构造演化的古地磁研究
短句来源
    APPARENT DENSITY MAPPING AND TECTONIC OF CHINA
    中国视密度图与大地构造单元
短句来源
    Earthquake Mechanism of Yunnan Plateau With Reference to Its Tectonic FrameThe Revelation of Structure Effect, Seismic-Energy and Mechanic Eenergy Flow
    云南高原大地构造与地震机制——云南地震活动之端部效应、地震能囊和机构能流的启示(英文)
短句来源
    A new pattern of tectonic units of China considered in light of the lithosphere
    中国大地构造单元新格局——从岩石圈角度的思考
短句来源
    On the basis of the wave cycles 740Ma, 220Ma, 105Ma, 31Ma and 10Ma, especially the 220Ma, have controlled the tectonic evolution processes of well TZ30. Wave process analysis indicates that quick subsidence occurred in Cambian_Early Silurian;
    根据波动方程,740Ma、220Ma、105Ma、31Ma和10Ma是控制塔中30井区构造演化过程的主要周期,尤其是220Ma周期控制了大地构造演化阶段.寒武纪—早志留世,该井区总体上处于快速沉降阶段;
短句来源
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  构造的
    (2) the seismic activity within the basin is mainly influenced by the bigger events occurred on the margin, which reflects the tectonic adjustment near the boundary after the occurrence of strong earthquakes;
    (2)块体内盆地的地震活动,主要受块体边缘较大地震活动的影响,反映块体边界较大地震发生前后其附近构造的调整运动;
短句来源
    This discovery will be greatly helpful in the researches on the basement tectonic of Tarim basin.
    这一发现将对塔里木盆地基底构造的研究起到积极的推动作用。
短句来源
    The study on the 3-D velocity structure of China and its adjacent areas in this paper is of great significance for the further understanding of the deep tectonic features and the relationship between deep and shallow tectonics.
    本文利用体波层析成像对中国及邻区三维速度结构的探索性研究,对于进一步了解这一区域的地幔结构特征以及它们与浅部构造的关系,有着重要意义。
短句来源
    The seismogenic combination model of NWW and NE structures is also advanced through analysis of tectonic combina -tion features and deformation field features of some typical strong earthquakes.
    文章还通过典型强震构造组合特征、形变场特征的分析,提出了该区北西西、北东向两组构造的组合孕震模式。
短句来源
    In the paper, the vertical deformation and horizontal displacement fields of the arcuate tectonics are theoretically derived from the horizontal stress, the characterictics of the tectonic movement, seismicity and focal mechanism for the island arc zones in the world are reasonably interpreted.
    本文根据水平构造应力作用,推导了弧形构造的理论垂直形变场、水平位移场和应力场,进而对全球性的岛弧构造带在构造运动、地震活动和震源机制等方面的特征给出了新的解释;
短句来源
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  “tectonic”译为未确定词的双语例句
    AN EXPERIMENTAL STUDY OF RIVER PATTERN CHANGES INFLUENCED BY TECTONIC MOVEMENT
    地壳构造运动对河型转化影响的实验研究
短句来源
    THE SEISMIC RUPTURE OF THE 1988 LANCANG-GENGMA EARTHQUAKE WITH DOUBLE MAIN SHOCK TYPE AND THE RECENT TECTONIC MOVEMENT IN THE SEISMIC REGION
    1988年澜沧—耿马双主震型地震破裂与震区的现代构造运动
短句来源
    The characteristics of tectonic stress field about strike slip earthquake-generating structure in the Chinese mainland
    The characteristics of tectonic stress field about strike slip earthquake-generating structure in the Chinese mainland
短句来源
    The abnormal mantle and deep tectonic process in the southern region of North China Plain
    The abnormal mantle and deep tectonic process in the southern region of North China Plain
短句来源
    Seismogenic model of earthquakes in groups in tectonic block and analysis for some features of earthquake precursory field
    Seismogenic model of earthquakes in groups in tectonic block and analysis for some features of earthquake precursory field
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  tectonic
Studies in the past decade have proven the Shanita fauna to be an excellent marker of the northern peri-Gondwana tectonic blocks.
      
The thermal-rheological stratification structures of the lithosphere in the East Qinling orogenic belt present different features from each other within different tectonic units.
      
The North Qilian orogenic belt is an elongate tectonic unit that lies between the North China plate to the north and the Middle Qilian microplate to the south, and is formed by a collision of the two plates in the Caledonian.
      
The tectonic environment discrimination by trace element reveals that these igneous complexes formed in an island-arc setting.
      
Tectonic setting was stable during the Late Paleozoic, therefore there are obvious negative Ce anomalies.
      
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Based on two groups of model experiments, crustal uplift and crustal subsidence, this paper deals with the laws of river pattern Changes caused by tectonic movement as well as with changes of the sediment character. we have got three basic patterns; straight, meandering and branched in the experiments, among which the branched pattern can be classified into three types. anabranched, multibranched and braided.Crustal subsidence results in lowering the flow energy and accumulating the sediment. According...

Based on two groups of model experiments, crustal uplift and crustal subsidence, this paper deals with the laws of river pattern Changes caused by tectonic movement as well as with changes of the sediment character. we have got three basic patterns; straight, meandering and branched in the experiments, among which the branched pattern can be classified into three types. anabranched, multibranched and braided.Crustal subsidence results in lowering the flow energy and accumulating the sediment. According to regression analysis in several elements of the experimatal data, the discriminating function which decides the river pattern has been gained. it is the meandering pattern; if 1.6<△<2.5, it is the anabranched; if 2.5<△<3.3; it is the multibranched; and if 3.3<△, it is the braided. Crustal uplift brings about increase of the unit stream power .In accordance with the calculations of the experimatal data, we have., transverse profiles get narrower and deeper; φ>1.34, they become wider and shallower.By using quantitative measurement data and qualitative analysis data for the computation of discriminatory analysis, we obtain a space of distinguish, in which all the samples of experimental measurement can be divided into five classes. It is more satisfactory.The results of criterion indicate that each sample shows the nature and variability of the river pattern, Besides, it is inferred that these experiments demonstrate the general tendency of the changes of river patterns influenced by tectonic movement.

本文通过室内模拟试验,探讨了由于地壳构造运动以及由此而导致输沙特性变化所引起的不同河型转化和发育的规律。利用试验测量资料进行多元逐步回归分析,分别得到了地壳沉降与地壳抬升时计算河型转化判据的判别函数。应用数量化理论对试验资料进行综合分析,建立了因地壳构造运动影响而形成的五种河型的判别空间,并由此分析了地壳构造运动对河型转化影响的一般规律。

The Magsat Investigator-B magnetic tapes are the source of data for this study.The lati-tuhe and longitude ranges of data are from 10°N to 60°N and 70°E to 140°E.In order to get the crustal anomaly field,the main field,magnetospheric,ionospheric and induction fields from the Magsat data must be subtracted.The GSFC (12/83) model is used to correct the internal field,external field and induction field.In order to improve pass to pass consistency,the 2nd-order polynomial in latitude is used to fit the crustal anomaly...

The Magsat Investigator-B magnetic tapes are the source of data for this study.The lati-tuhe and longitude ranges of data are from 10°N to 60°N and 70°E to 140°E.In order to get the crustal anomaly field,the main field,magnetospheric,ionospheric and induction fields from the Magsat data must be subtracted.The GSFC (12/83) model is used to correct the internal field,external field and induction field.In order to improve pass to pass consistency,the 2nd-order polynomial in latitude is used to fit the crustal anomaly field for each pass,and subtract the fitted values from the crustal anomaly field to get the final crustal anomaly field.The region studied is divided into cells,the size of each cell is one degree in latitude and longitude.The value of the anomaly field at the center of each cell is taken as the mean values of the data falling into the cell.Based on hte grid point values,the contour maps are produced.They include: 1.The X,Y,Z and F anomaly maps derived from dawn data only;2.The X,Y,Z and F anomaly maps derived from dusk data only;3.The X,Y,Z and F anomaly maps derived using dawn and dusk data combined.The contour interval is 2nT.It is considered that the consistency between the dawn and dusk maps is good.The satellite magnetic anomalies in and near China are between-10nT and 10nT.The magnetic anomalies show good correlation with the regional tectonic features of China: Pre-Cam-brian cratons such as Tarim,Yangtze and Sontliao Cratons are positive anomaly areas.The Tibet plateau is negative anomalp area.The satellite anomalies represent the lateral variations in the magnetization of the lowe crust.

使用MAGSAT卫星资料,编绘中国及邻近地区的卫星磁异常图(10°N—60°N,70°E—140°E)。为了提取地壳异常场,必须从观测资料中消除主磁场、磁层场,感应场和电离层场。本文选用GSFC(12/83)地磁场模型,消除主磁场,磁层场和感应场。为了进一步消除电离层场的影响,改善相邻轨道磁异常的一致性,用纬度的二次多项式拟合每一条轨道的初始地壳异常,并从初始地壳磁异常值减去这一拟合值,从而获得最后的地壳异常值(△X,△Y,△Z,△F)。把研究地区分成1°×1°的网格,将每个网格内的磁异常进行平均,以获得网格中心点的异常值。根据这些网点值绘制中国及邻近地区的卫星标量和矢量磁异常图。等值线间隔为2nT。为了检验卫星磁异常图的可靠性,将卫星资料分成黎明组、黄昏组和联合组,分别进行处理和绘制卫星磁异常图。结果表明:根据上述资料绘制的卫星磁异常图有很好的一致性。中国地区的卫星磁异常值位于—10nT—10nT。卫星磁异常与区域构造特征有较好的一致性;塔里木地台、扬子地台和中朝地台是正磁异常区,西藏高原是负磁异常区。卫星磁异常反映出下地壳磁化强度的横向不均匀性。

This paper discussed the relationship between the distributions, geneses, water chemical characters and evolutionary history of the lakes in the Western Kunlun Mountain areas, and the uplift of the Qinghai-Xizang Plateau, paleoclimatic changes, advance and retreat of the alpine glaciers.Water supply of the lakes depends mainly on the meltwater of alpine snow and ice during the warm season. Therefore, the change of the salinity of lake water is directly related to the distance from the supply source to the lake....

This paper discussed the relationship between the distributions, geneses, water chemical characters and evolutionary history of the lakes in the Western Kunlun Mountain areas, and the uplift of the Qinghai-Xizang Plateau, paleoclimatic changes, advance and retreat of the alpine glaciers.Water supply of the lakes depends mainly on the meltwater of alpine snow and ice during the warm season. Therefore, the change of the salinity of lake water is directly related to the distance from the supply source to the lake. With changing of the lake types from freshwater to saltwater to saline, the contents of HCO7 and Ca2+ are clearly decreasing, and Cl- and Na+ increasing. In addition, in freshwater lakes, the absolute contents of HCO3- and Ca2+ are obviously becoming higher with increase in the salinity of the lake. In saltwater and saline lakes, it is shown that the absolute contents of Cl- and Na+ are clearly becoming higher with the increasing of salinity.The evolution of the lakes during the Quaternary is the result of coaction of the tectonic uplift of the plateau and the global climatic changes. It can be divided to three main stages: viz., "Great Lake Period" before 46 000 a B.P.; "Lake-level Fluctuation Period" in the later stage of the Late Pleistocene, during this period, the great lake existing in the first stage disappeared and several small lakes were formed after 46 000 a B. P. Up to about 36 000 a B.P., a high lake-level appeared, which corresponded to the interstadial of the last glaciation. Another high lake-level appeared in the time from 21 000 a B.P. to 15 000 a B.P., about 40 m higher than the present day lake-level; and "Lake Shrinking Period" in the Holocene.

本文论述了西昆仑山区湖泊的分布、成因、水化学特征以及其演化历史与高原隆升、古气候变化、高山冰川进退之间的关系。研究结果表明,该区湖泊主要靠暖季高山带的冰雪融水补给,故矿化度的变化与其距补给源的远近密切相关;它们在第四纪期间的演化是高原构造隆升和全球气候变化二者作用的结果;根据现有资料,该区湖泊的演化历史可大致分为3个阶段,即距今4.6万年以前的大湖期,晚更新世晚期的湖面波动期和全新世的湖泊退缩期。

 
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