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1. The subway can influence the observation of geomagnetism, geoelectric field and ground resistivity around it, but the influencing mechanism is not same.

2. We get the conclusion that geomagnetism and underground water level observations are the fairly good precursor methods.

3. Gauthier began to carry out his geomagnetism observation in Xujiahui Catholic Church of Shanghai.

4. To measure the horizontal component of geomagnetism, the "bifilar balance method" is used(http://sentencedict.com), together with an additional adjustable magnetic field to compensate the geomagnetic field.

5. Welcome to the Bio - geomagnetism Group of the PGL in Beijing!

6. The earth is surrounded by the geomagnetism. The geomagnetism is stable and has some regulation.

7. Secondly, at"gravity and geomagnetism structure inversion research", we collected a great deal of new and precious gravity and geomagnetism data in Tianjin and neighborhood.

8. Through the contrast research of gravity and geomagnetism, we gave out the structure descriptions at different depth according to different methods.

9. For use in the attitude measurement of artillery projectiles, a strap-down type geomagnetism and solar direction sensor is made use of to decide the attitudinal data.

10. Then we establish the mathematical computation models of roll angle and pitching angle with the yaw angle ignored based on geomagnetism and ballistics theory.

11. This paper introduces the composition, principles and application examples of the geomagnetism and inertia automobile guidance system in the interior information guidance system.

12. Along the profile a joint inversion of gravity with geomagnetism has been carried out and 2-D density structure and 2-D geomagnetic structure have been obtained.

13. The principle of roll angle determination for projectile based on geomagnetism detection was introduced, the static and dynamic experiments for roll angle determinatio.

14. The spherical cap harmonic analysis method and its applications in geomagnetism were reviewed.

15. "Life increasingly depends on technologies that didn't exist when the magnetic recordings began, " said Alan Thomson, BGS head of geomagnetism.

16. This site offers general information about the research of the Geomagnetism and Paleomagnetism Section of AGU.

17. In this paper has been analyzed the formation mechanism of the anomalies of deformation, gravity and geomagnetism, and the difference of field precursor and source precursor as well.

18. To unify the magnetic field level of the whole area in marine geomagnetism surveying, the base value of the secondary base station must be reduced to the main base value.

19. The principle of roll angle determination for projectile based on geomagnetism detection was introduced, the static and dynamic experiments for roll angle determination system were carried out.

20. This paper research the key technology of projectile rolling angle identification system based on geomagnetism detection.