Ⅰ．ALTERNATING CURRENTS 1
Ⅱ．PRODUCTION,MEASUREMENT AND CONTROL OF HIGH VOLTAGEPART I 21
Ⅲ．CATHODE RAYS 36
Ⅳ．POSITIVE RAYS AND ISOTOPES 53
Ⅴ．ROENTGEN TUBES 66
Ⅵ．RECTIFICATION,DIODE AND TRIODE VALVES 88
Ⅶ．GENERAL PROPERTIES OF X-RAYS 108
Ⅷ．MEASUREMENT OF WAVE LENGTH OF X-RAYS 125
Ⅸ．RADIOGRAPHY,MICRORADIOGRAPHY AND TOMOGRAPHY 141
Ⅹ．SECONDARY X-RAYS AND ABSORPTION 150
Ⅺ．MEASUREMENT OF DOSAGE FOR ROENTGEN RAYS 177
Ⅻ．NATURAL RADIOACTIVITY 210
ⅩⅢ．PRODUCTION OF HIGH VOLTAGEPART IISUPERVOLTAGE TUBES AND HIGH SPEED PARTICLES 248
ⅩⅣ．TRANSMUTATION OF MATTER AND NEUTRONS 273
ⅩⅤ．ARTIFICIAL RADIOACTIVITY,MASS AND ENERGY 283
ⅩⅥ．URANIUM FISSION AND NUCLEAR REACTORS 303
APPENDIX A．PROTECTION 315
APPENDIX B．SOME USEFUL CONSTANTS AND CONVERSION FACTORS 318
APPENDIX C．TABLE ⅩⅩⅨATOMIC NUMBERS AND ATOMIC WEIGHTS 319
INDEX 321