큐리의방사선동위원소연구영어Studies of the radioactive Substances english

TABLE OF CONTENTS
Pages
INTRODUCTION 1
3 History
I. Radioactivity from uranium and thorium.
Radioactive minerals.
Becquerel rays 6
Measuring the intensity of the radiation 8
Radioactivity of uranium and thorium compounds 14
Is the atomic radioactivity a general phenomenon? 17
Radioactive minerals 19
II.- The new radioactive substances.
Research Method 22
Polonium, radium, actinium 22
Radium spectrum 25
Extraction of 27 new radioactive substances
Polonium 31
Preparation of pure radium chloride 34
Determining the atomic weight of radium 40
Characters radium salts 45
Splitting ordinary barium chloride 46
III.- Radiation new radioactive substances.
Study of radiation processes 47
Energy of radiation 48
Complex nature of radiation 49
Action of the magnetic field 51
Β rays deflected 56
Loads deflectable β rays 57
Action of the electric field on β rays of radium 62
Ratio of the charge to ground to a negatively charged particle emitted by radium 63
Action of the magnetic field on 66 α-rays
Action of the magnetic field on the shelves of other radioactive substances 68
Deflectable β-ray radiation in the proportion of radium 68
Penetrating power of radiation from radioactive bodies 73
Action of ionizing radiation from radium on insulating liquids 90
Various effects and applications of the ionizing action of the rays emitted by radioactive
substances 93
Fluorescence effects, lighting effects 95
Heat generation by the radium salts 98
Chemical effects produced by the new radioactive substances. Colorations 102
Gassing in the presence of radium salts 104
Production TL 105
Radiographs 106
Physiological effects 107
Temperature effect on the radiation 109
IV.- The induced radioactivity.
Communication from the radioactivity of 111 originally inactive substances
Activation enclosure 113
Role of the gas in the induced radioactivity phenomena. Emanation 115
Deactivation outdoors activated solids 116
Disabling closed enclosure. Destruction of the emanation rate 117
Nature 119 fumes
Variations of activity of activated liquids and solutions containing radium 122
Theory of radioactivity 123
Another form of induced radioactivity 126
Induced radioactivity slowly evolving 126
Induced radioactivity on substances that stay in solution with radium 127
Spread of radioactive dust and induced radioactivity lab 130
Activation outside the action of radioactive substances 131
Variations of activity radioactive body. Dissolving effects 155
Variations of activity of radium salts by heating 139
Theoretical interpretation of the causes of variation of activity of radium salts upon
dissolution and after 144 heats
Nature and cause of the phenomena of radioactivity 147
END OF THE CONTENTS.