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seismic fractures
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  “seismic fractures”译为未确定词的双语例句
     Based on a study of the horizontal displacement distribution during earthquakes and combined with the co-seismic fractures layout along the fault belt, two different length gaps without seismic fractures have been suggested at north and south sides of Qianning.
     在地震时断层水平位错分布研究的基础上,结合地震破裂在断裂带内的分布认为沿鲜水河断裂在乾宁南北两侧存在两个长度不大的地震破裂空区。
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  相似匹配句对
     Study on the Rock Fractures Prediction Methods from Seismic Data
     地震裂缝预测方法研究及应用
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     Identifying fractures using 3D seismic interpretation technique
     应用三维地震解释方法识别裂缝
短句来源
     Seismic Radar
     地震雷达
短句来源
     On seismic resolution
     地震分辨率
短句来源
     Intertrochanteric fractures
     股骨转子间骨折
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  seismic fractures
It is found that the size of the seismic fractures is dependent on the layer thickness and the prefracturation of the medium, both factors influencing the extension of preexisting discontinuities.
      
A fundamentally new mechanism of tsunami generation as a result of water discharge into rapidly opening seismic fractures of the bottom is proposed.
      


In this paper a fracture zone caused by Aug. 11, 1931 Fuyun earthquake in Xinjiang province is detailly described, and the seismogenic structure and its recent tectonic movement are discussed.This seismic fracture zone has developed superimposedly on the NNW-trending Kok-tohai-Ertai fault, its southern end is beyond the old fracture. The full length of this zone is 170 km. General trend is N342°W. The fault plane dips to north-west at an angle of 70°. The occurence of seismogenic fault, mountain...

In this paper a fracture zone caused by Aug. 11, 1931 Fuyun earthquake in Xinjiang province is detailly described, and the seismogenic structure and its recent tectonic movement are discussed.This seismic fracture zone has developed superimposedly on the NNW-trending Kok-tohai-Ertai fault, its southern end is beyond the old fracture. The full length of this zone is 170 km. General trend is N342°W. The fault plane dips to north-west at an angle of 70°. The occurence of seismogenic fault, mountain ridges and ravines show that the movement is mainly horizontal with right-lateral wrench.The great Fuyun earthquake of 8.0 magnitude is an appearance of the recent movement along the Koktohai-Ertai fault, and this movement has a clearly inherit nature in terms of the regional stress state, fracture mechanism and pattern movement.

本文对1931年8月11日富蕴8.0级地震造成的地震断裂带作了较详细的叙述,探讨了发震构造及其新构造运动特征。地震断裂带是在北北西向的可可托海-二台断裂的基础上发展的,南端已超出老断裂范围。全长170公里,总体走向北西342°,断裂面多向北东倾斜,倾角70°左右。从地震断裂的组合形式及山脊、冲沟错动情况,显示出水平运动为主的右旋扭动特征。富蕴8.0级大地震是可可托海-二台断裂新活动的体现,无论在区域受力状况,断裂力学性质和运动方式等方面,都具有强裂的继承性活动特征。

In 1979 an earthquake of magnitude 6 occurred in Liyang County, Jiangshu province. The epicenter was located in the junction of a NE trending active fault, the known Maoshan fault, with a NW trending active fault, the Fangshan-Tiger Mt. fault.In this paper the focal mechanism of the major shock and several aftershocks has been studied and the strike of seismic fracture has been also determined by means of null vector data. The research results indicate that the Liyang earthquake was caused by a right lateral...

In 1979 an earthquake of magnitude 6 occurred in Liyang County, Jiangshu province. The epicenter was located in the junction of a NE trending active fault, the known Maoshan fault, with a NW trending active fault, the Fangshan-Tiger Mt. fault.In this paper the focal mechanism of the major shock and several aftershocks has been studied and the strike of seismic fracture has been also determined by means of null vector data. The research results indicate that the Liyang earthquake was caused by a right lateral strike-slip dislocation with some normal dip-slip component along the east branch of the Maoshan fault belt under the action of the NEE compression stress field.From the observation of aftershocks, it can be suggested that both the source volume of the b-value of this earthquake sequence is rather small. Using Wyss method and Gibowicz empirical formula, we approximately estimated the stress-drop and the seismic moment as well as the apparent stress of the Liyang earthquake. In the mean time, on the basis of the field geological observations we pointed out tentatively that the Liyang earthquake was generated probably by the locked NE Maoshan fault associted with the left lateral shifting of the NW Fangshan-Tiger Mt. active fault. And this seemed to be a reasonable explanation for the recurrence of two destructive earthquakes being occurred there within 5 years.The authors assume that the Liyang earthquake can be regarded to be a low stress-drop event under a high stress background, implying that the south part of the North China fault block has been stepping into a active stage of high stress.

该地震发生在北东向茅山活动断裂与北西向芳山-老虎山活动断裂的交汇部位。本文研究了主震与若干余震的震源机制解,并应用零矢量方法确定了地震破裂面的走向。研究结果表明,该地震是在北东东向挤压应力作用下,沿着茅山断裂带东支发生了右行走滑错动兼有正断层性质的倾滑分量。根据对余震的观测可知,溧阳地震的震源体积与b值均偏小。运用Wyss方法及Gibo Wicz经验公式粗略估算了溧阳地震的应力降、地震矩与视应力。同时,根据野外地质观察指出,该地区之所以在最近五年来重复发生两次破坏性地震,可能与北西向芳山-老虎山断裂带的左行错动引起北东向茅山断裂带闭锁有关。

Using the theory of stopping crack in the fracture mechanics and experimental results of stopping crack with photoelastic material, the problem about stopping condition of seismic fracture has been discussed. The suitable seismo—geologocal conditions of fracture—stop are suggested. These conditions are (1) the region in which a middling strong esrthquake happened not long before (2) the source region in which a large earthquake (M_s≥7)occurred historically (3) the transversal fault and the...

Using the theory of stopping crack in the fracture mechanics and experimental results of stopping crack with photoelastic material, the problem about stopping condition of seismic fracture has been discussed. The suitable seismo—geologocal conditions of fracture—stop are suggested. These conditions are (1) the region in which a middling strong esrthquake happened not long before (2) the source region in which a large earthquake (M_s≥7)occurred historically (3) the transversal fault and the intersecting region of some faults (4) the massive block anb rise. Based upon these conditions, the strength of future strong earthquakes may be estimated-Therefore, it is perhaps of great significance to prediction of the moderate or long—term earthquake.

本文应用断裂力学中的止裂原理和用环氧树脂材料所做的破裂终止的实验结果,讨论了地震断裂的终止问题并提出了相应的地震地质条件:1.近期曾发生过中强地震的区域;2.历史上发生过七级以上大震的震源区;3.深大断裂及构造交汇区;4.一定规模的地块和横向隆起。依此条件可用来估计未来大震的强度,因而对中长期预报可能是有意义的。

 
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