A.質(zhì)量吸收系數(shù)與吸收物質(zhì)密度成正比 B.質(zhì)量吸收系數(shù)與吸收物質(zhì)密度成反比 C.質(zhì)量吸收系數(shù)與吸收物質(zhì)的溫度成正比 D.質(zhì)量吸收系數(shù)與吸收物質(zhì)的溫度成反比 E.質(zhì)量吸收系數(shù)與吸收物質(zhì)密度及物理狀態(tài)無關(guān)
A.平方反比規(guī)律 B.指數(shù)規(guī)律 C.算術(shù)級(jí)數(shù) D.幾何級(jí)數(shù) E.高斯級(jí)數(shù)
A.10~30KeV光電效應(yīng)占優(yōu)勢(shì),30KeV~25MeV康普頓效應(yīng)占優(yōu)勢(shì),25~100MeV電子對(duì)效應(yīng)占優(yōu)勢(shì) B.10~30KeV康普頓效應(yīng)占優(yōu)勢(shì),30KeV~25MeV光電效應(yīng)占優(yōu)勢(shì),25~100MeV電子對(duì)效應(yīng)占優(yōu)勢(shì) C.10~30KeV電子對(duì)效應(yīng)占優(yōu)勢(shì),30KeV~25MeV康普頓效應(yīng)占優(yōu)勢(shì),25~100MeV光電效應(yīng)占優(yōu)勢(shì) D.10~30KeV光電效應(yīng)占優(yōu)勢(shì),30KeV~25MeV電子對(duì)效應(yīng)占優(yōu)勢(shì),25~100MeV康普頓效應(yīng)占優(yōu)勢(shì) E.10~30KeV康普頓效應(yīng)占優(yōu)勢(shì),30KeV~25MeV電子對(duì)效應(yīng)占優(yōu)勢(shì),25~100MeV光電效應(yīng)占優(yōu)勢(shì)