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- regional magnetic anomaliesn. 区域地磁异常
- The regional magnetic fields can be picked from maps and tables. 区域磁场可以从图幅和表格中查到。
- The magnetometer transmits magnetic anomalies to the plane in the form of a continuous diagram stored in a computer. 磁力仪以连续的图形形式向飞机传送测量到的磁性异常,并将其存储在飞机上的计算机中。
- The existent state of diabase was strudied with magnetic anomalies,and the existence of nappe was confirmed. 利用磁异常研究辉绿岩体的赋存状态,肯定了推覆体的存在;
- The gravitational and magnetic anomalies vary changefully on the basin edge and gently inside the basin. 结果显示:盆地内部重磁异常变化相对平缓,盆地边缘变化剧烈;
- Keywords north Jiangsu area and adjacent regions;magneto-telluric sounding;Pre-Silurian interface;crystal basement;regional magnetic anomaly;integrated geophysics; 苏北及邻区;大地电磁测深;前志留面;结晶基底;区域磁异常;综合地球物理;
- After the first world war, aeromagnetic surveys became an important tool for quick, big scale mapping of magnetic anomalies hidden in the underground. 第一次世界大战之后,航磁调查便成为一种快速的、大规模的勾绘地下磁性异常区的重要工具。
- Hao Jin-qi, et al, 2003.ULF electric and magnetic anomalies accompanying the cracking of rock sample, Acta Seismologica Sinica. 钱书清等,2003,岩石受压破裂的ULF和LF电磁前兆信号,中国地震。
- Firstly, the satellite magnetic anomalies, reflecting the features of the lithosphere magnetic field have been computed and explained. 首先对反映岩石圈磁场特征的卫星磁异常进行了计算与解释;
- A magnetic anomaly can be continued downward mathematically. 磁异常可在数学上进行向下延拓。
- Tadashi Nakatsuka.Reduction of magnetic anomalies to and from an arbitrary surface[J].Geophysical Exploration,1981,34(5):6. 侯重初;蔡宗熹;刘奎俊.;从偶层位出发建立曲面上的位场转换解释系统[J]
- In addition, the authors have also processed gravity and magnetic anomalies in order to ascertain the extension of an ophiolite belt in this area. 此外,还对重、磁异常进行了处理,以确定蛇绿岩带的延展情况。
- This paper introduces some methods which are applicated to calculate Curie isothermal surface by regional magnetic date. 介绍了利用区域磁测资料计算居里等温面的几种常用方法。
- The figures of Bouguer anomalies and vertical magnetic anomalies obtained at the scales of 1:1000 000, 1:500 000 and 1:100 000 were processed and the Moho depths were calculated. 本文对天山南麓1:100万、1:50万和1:10万布格重力异常图及相应的垂直磁力异常图进行了处理,并计算了莫霍面深度。
- Euler's equation in wavenumber domain has been derived based on its spatial expression and tested by gravity and magnetic anomalies of sphere model respectively. 摘要基于空间域中的欧拉方程,推导出频率域中的欧拉方程。分别以球体的重、滋异常进行模型试验。
- For an actual planetwide polarity reversal to occur, such a reversed flux patch would grow and engulf the entire polar region; at the same time, a similar change in overall regional magnetic polarity would take place near the other geographic pole. 如果整个行星的磁极要真的反转,反向通量斑块需扩大到涵盖整个极区;同时,另一个地理极点附近也会发生类似的区域极性全面变化。
- In middle and high mountain areas, the landform is complex, the flying altitude should be relatively high, and the intensity of magnetic anomalies detected by aeromagnetic survey is hence relatively weak. 摘要中高山地区的地形复杂,飞行高度较高,航磁测量获得的磁异常强度相对弱小。
- In the center of this depression, fuzzy zones on 2D seismic profiles and low magnetic anomalies have been analyzed. A diapiric zone has been revealed, with a WNW directional distribution, about 1?000?km2 planar area and about 8?km most pierced thickness. 通过对二维地震剖面上模糊带的分析;凹陷中心发育北西西向展布、面积约1000km2的底辟带;底辟幅度最大可达8km.;高精度磁力资料显示底辟带为一个低磁异常区
- However, the total thickness of the sheeted dikes is about three times of that for the pillow basalts.The sheeted dikes should have contributed to the seafloor magnetic anomalies to some extents. 由于席状岩墙的厚度大约是喷出岩的三倍,其整体的磁化量对海底磁性异常应该有一定的贡献。
- It may be infeasible to say whether an observed magnetic anomaly results from structural relief or from a lateral change in susceptibility. 不可能指出一个观测磁异常是构造起伏还是磁化率的横向变化所引起。