对数及其对数函数模型的应用

JournalofJiamusiEducationInstitute620106102No.6.2010Sum102741600747000O122.6A1000-9795201006-0076-01631617(log)171.PHPH10PH1.PH014.01410011002.(Richter)-(Wood-Andersontorsionseismometer)1001(-)0100-1(103)313221000RER=(lgE-11.4)((285.178)lgE=11.8+1.5R200412256lgE=1.5R+16.1.6.1.19957.54520088.02.0101850TNT250003.(magnitude)PH1.v=5log2,m/s,O2.(dB)I(W/m2)L1L1=10lg(I/I0)()L10I0=110-12[1](),.[M].,.:,2006,1.[2].[J].,2006,12.ApplicationofLogarithmicandLogarithmicfunctionmodelHuJian-ping,RenLi-jianGansuQinanthirdmiddleschool,Qin'anGansu,741600,China;GansuNationalNormalUniversity,HezuoGansu,747000,ChinaAbstract:AreLogarithmandlogarithmicfunctionusefulinreallife?Thisthesissummarizesapplicationoflogarithmandlogarithmicfunctionmodelinreallife,emphasizesitsapplicability.KeywordsLogarithm;Logarithmicfunction;Logarithmicfunctionmodel72010-08-0197-1981-