数学家八卦馆www-groups.dcs.st-and.ac.uk/~history数学家在人们的脑海中长久保持着一副皱眉抿嘴的形象,然而,在The MacTutor History of Mathematics archive网站上,数学家们的正史野史被一并收入。在这里,能看到这些拥有超级大脑的...数学家八卦馆www-groups.dcs.st-and.ac.uk/~history数学家在人们的脑海中长久保持着一副皱眉抿嘴的形象,然而,在The MacTutor History of Mathematics archive网站上,数学家们的正史野史被一并收入。在这里,能看到这些拥有超级大脑的人们的种种八卦。比如,祖冲之与国子监太学生们之间的尴尬故事:祖冲之著作的丢失原因。展开更多
This study selects six consecutive 18.6 years of global M≥7.0 earthquakes,calculates the lunar declination angle based on the time of the earthquakes,and divides the global earthquakes into 13 research regions accord...This study selects six consecutive 18.6 years of global M≥7.0 earthquakes,calculates the lunar declination angle based on the time of the earthquakes,and divides the global earthquakes into 13 research regions according to the global plate distribution facts to explore the lunar infl uence of earthquakes.The relationship between the lunar declination angle and these earthquakes is analyzed.The analysis results show that when the moon advances to a certain interval of its declination angle,the earthquakes are concentrated in a certain research region,whereas other research regions are relatively calm,providing a scientifi c basis for medium and long-term earthquake predictions in each research region.The 18.6-year cycle is the lunar declination angle change cycle,and it is also the major nutation cycle of the earth’s motion and lunar node movement cycle.This is,in reality,the eff ect of the lunar node tide,which is worthy of further study.展开更多
文摘数学家八卦馆www-groups.dcs.st-and.ac.uk/~history数学家在人们的脑海中长久保持着一副皱眉抿嘴的形象,然而,在The MacTutor History of Mathematics archive网站上,数学家们的正史野史被一并收入。在这里,能看到这些拥有超级大脑的人们的种种八卦。比如,祖冲之与国子监太学生们之间的尴尬故事:祖冲之著作的丢失原因。
基金the National Natural Science Foundation of China(No.91736207)。
文摘This study selects six consecutive 18.6 years of global M≥7.0 earthquakes,calculates the lunar declination angle based on the time of the earthquakes,and divides the global earthquakes into 13 research regions according to the global plate distribution facts to explore the lunar infl uence of earthquakes.The relationship between the lunar declination angle and these earthquakes is analyzed.The analysis results show that when the moon advances to a certain interval of its declination angle,the earthquakes are concentrated in a certain research region,whereas other research regions are relatively calm,providing a scientifi c basis for medium and long-term earthquake predictions in each research region.The 18.6-year cycle is the lunar declination angle change cycle,and it is also the major nutation cycle of the earth’s motion and lunar node movement cycle.This is,in reality,the eff ect of the lunar node tide,which is worthy of further study.