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- geomagnetic field variation 地磁场变化
- The study on variation regularity of geomagnetic field is fundamental to pick up seismic and geomagnetic precursors. 对地磁场变化规律性的研究是提取地震地磁前兆的基础。
- The geomagnetic field varies continuously. 地磁场不断地发生变化。
- The secular magnetic field variation in the south Atlantic anomaly (SAA) regionis studied by using the international geomagnetic reference field (1990s) model. 利用国际地磁参考场模型IGRF90,分析了南大西洋异常(SAA)区磁场变化的特征,计算了低轨卫星轨道积分粒子辐射通量及其随年代的变化。
- This work is significant for further understanding the variation laws and features of every component of geomagnetic field at Guangzhou geomagnetic observatory. 系统地总结了广州地磁台地磁场长期变化的规律,此项研究工作对了解广州地磁台地磁场各分量的变化规律和特征有一定的意义。
- This paper provides an analysis of the intensity distribution of geomagnetic field,and the variation of the three elements of magnetic field with the change of locality and time. 分析地球磁场磁感应强度的分布、磁场的三要素随着地理位置以及时间的变化情况,并对磁暴发生的特点、原因进行了探讨。
- The results showed that the long-term variation of the geomagnetic field in Chian in a composite activity including different cycles of variation big and small. 研究表明,中国的地磁场长期变化是一包罗大小不同周期变化的复合运动。
- Cross correlations of geomagnetic field variations between Zhongshan and Arctic stations 南极中山站与北极地磁活动相关性研究
- Relationship between the geomagnetic field and geodynamic. 中生代地球磁场变化特征的动力学含义.
- Secular variation chart of geomagnetic field 地磁场长期变化图
- daily variation of geomagnetic field 地磁日变化
- The form of the stable geomagnetic field is like that of a bar magnet at the center of the Earth. 稳定地磁场的形状与地球中心的棒磁铁的形状相似。
- For instance the geomagnetic field, the heat flow, the propagation of seismic waves, the force of gravity, etc. 例如,应用地球物理勘探,可以了解诸如地磁场、热流、地震波的传播和重力等地球物理性质。
- The strength of the geomagnetic field during the Mesozoic and its constraining on the geodynamics. 中生代地球磁场变化特征的动力学含义.
- What is more, the primary geomagnetic field has lessened by nearly 10 percent since it was first measured in the 1830s. 此外,地球的主要磁场自1830年首次测量至今,已经减弱了将近10%25。
- The effect of geomagnetic field on leaching uranium with geoelectric chemistry method is studied. 首次开展利用地电化学法地浸采铀的实验室探索。
- In addition,the computer model has produced three spontaneous reversals of the geomagnetic field during the 300,000-year simulation. 此外,计算机模型已经在30万年的模拟过程中产生了三次地磁场的自发倒转。
- As magma rises under the mid-ocean ridge, ferromagnetic minerals in the magma become magnetized in the direction of the geomagnetic field. 当岩浆从中海脊下涌起的时候,岩浆中的磁铁矿物质按地磁场的方向被磁化。
- The results show that the subway of the city has significant influence for the observation environments of geomagnetic field. 结果显示,城市地铁交通对其周围的地磁观测环境具有较大的影响。
- On the Variation of Geomagnetic Field and Magnetic Storm 地球磁场的变化及磁暴现象的探讨