Page 114 - 高中物理选择性必修3
P. 114

!)#                  *+,-.&/0
         !
         "
         #
         $
         %
         &
         '
         %
         &
         (
                     ç,õՈ,01A%?V&1;@01?V%Z=[&,©ªƒ2×Ô278%
                                       广东教育出版社
                563423D?!ƒ88%01A*£,õ;õ,š­4ÚÛ%?+,LƒÐtu
                %5hST,2£6šÎOVi%UV[7%.


                     <=>'4?

                     1896 A,Þ C 5 D E F ‰ < 8 Š (A H Becquerel,

                1852—
                       1908)UV9c:9%;5-ÌUm&nå;c%O
                P,ƒnOP<.—é!<=i%f">?@d. ƒn56

                ÎOmOP%§6¦ñ<=> ( radioactivity),¡­ÎO§%
                3A¦ñ<=>@A ( radioactive element) .
                     !‰<8Š%BCä,DE·i ( M S Curie,1867—
                                                     F

                1934)cG%HIJKŠ·i (P Curie,1859—1906)L9
                                            F
                cÌn:9%;LQRW5h%ST,qrUVWÂnÎO§
                                        F
                ME%Ö3A. DE·i/WN–G%OC„P,ä¾j&                                             Ž 5 - 2 - 1  ‰<8Š
                n3ARS/T ( 3AUV2 Po),¤&n3ARS/W
                ( 3AUV2 Ra).

                     ÎO§q;2.*Nn3AY­%. STUV,01X
                *^‚ 83 %í3A-­ÎO§. 01X*8‚Ï‚ 83 %
                3A,­%¡¡­ÎO§. ƒÐ̙U¼ÎmOP%3A¦
                ñBC<=>@A ( natural radioactive element) .

                     STÁ-,Â'&n3A¡­ÎO§,©ª;;M2.
                26%ÄB€!,¬2.vn9¯5%ÄB€!,ÎO§-

                ;íBC. ¡Ô2\,ÎO§53A€!%Ÿ É.. ç,
                Ո,3A%9E§6ÈY‚01AR%X1,z{<.‰
                «,OPøZ‚01A,¡Ô2\,01A2­*£%.                                            Ž 5 - 2 - 2  FiIQ







              . 108 .
   109   110   111   112   113   114   115   116   117   118   119