畢業(yè)論文地磁場的結(jié)構(gòu)與作用研究

1、目錄前言…………………………………………………………………………11.地磁場的產(chǎn)生……………………………………………………………11.1地磁的發(fā)現(xiàn)…………………………………………………………………11.2地磁場起源的幾種假說……………………………………………………22.地磁場的結(jié)構(gòu)………………………………………………………………32.1地磁場模型…………………………………………………………………32.2地磁場的三要素…………………………

2、…………………………………43、地磁場的應(yīng)用………………………………………………………………63.1地磁探礦……………………………………………………………………63.2地磁測震……………………………………………………………………63.3解釋自然現(xiàn)象………………………………………………………………73.4地磁學(xué)應(yīng)用的設(shè)想…………………………………………………………7結(jié)論………………………………………………………………………………8謝辭……

3、……………………………………………………………………9參考文獻(xiàn)…………………………………………………………………10AbstractThegeomagicfieldisalargemagicfieldthegeographicNthPoleistheleveloftheSouthgeomagicthegeographicalSouthPoleonthegeomagicNthPole.Themovementofgedparticlesin

4、theearthsmagicfieldwillbesubjecttofce.Geomagicfieldintheapplicationoflifeisalsoveryextensive.Therefethestudyofthegeomagicfieldhasaveryimptantsignificance.Thispaperfocusesonthegeomagicfieldthemaincontentsincludethefollowi

5、ngparts.Firstlyseveralassumptionsabouttheearthsmagicfieldareintroduced.Furthermeweexplainthetheeticalknowledgesupptingontheseassumptionspointoutsomeassumptionsdonotmatchtothereality.Secondlythethreeelementsofthegeomagicf

6、ield:thestrengthoftheearthsmagicfieldthemagicinclinationthemagicdeclinationarediscussedindetail.Wealsoprovidethedistributionmapoftheearthsmagicfield.Thirdlythegeomagicfieldhasmanyapplicationsfexamplegeomagicseismicgeomag