The Radioactive Substances: Their Properties and BehaviourK. Paul, Trench, Trübner & Company, Limited, 1908 - 301 pagini |
Din interiorul cărții
Rezultatele 1 - 5 din 29
Pagina 4
... are so large that they can be measured by means of a fairly sensitive galvanometer . As a further example of a similar effect on the conducting power of gases may be mentioned the action of light of such THE RADIOACTIVE SUBSTANCES.
... are so large that they can be measured by means of a fairly sensitive galvanometer . As a further example of a similar effect on the conducting power of gases may be mentioned the action of light of such THE RADIOACTIVE SUBSTANCES.
Pagina 5
Their Properties and Behaviour Walter Makower. gases may be mentioned the action of light of such short wave - length as to be incapable of detection by the eye . Such light , which is known as ultra - violet radiation , when it impinges ...
Their Properties and Behaviour Walter Makower. gases may be mentioned the action of light of such short wave - length as to be incapable of detection by the eye . Such light , which is known as ultra - violet radiation , when it impinges ...
Pagina 6
... action ; the properties of these rays will be considered later . Again , there are certain substances , said to be " radioactive " and endowed with similar properties , which appear to continually emit radiations capable of rendering ...
... action ; the properties of these rays will be considered later . Again , there are certain substances , said to be " radioactive " and endowed with similar properties , which appear to continually emit radiations capable of rendering ...
Pagina 31
... emitted which pass out of the tube as shown by the dotted lines . Besides their photographic action the rays have the power of exciting fluorescence in certain substances , notably in a certain class of compounds INTRODUCTION 31.
... emitted which pass out of the tube as shown by the dotted lines . Besides their photographic action the rays have the power of exciting fluorescence in certain substances , notably in a certain class of compounds INTRODUCTION 31.
Pagina 32
... action of the rays will appear dark , whereas the rest of the screen will be fluorescent , and accord- ing as the obstacle interposed is more or less opaque to this particular kind of radiation the shadow cast on the screen will be ...
... action of the rays will appear dark , whereas the rest of the screen will be fluorescent , and accord- ing as the obstacle interposed is more or less opaque to this particular kind of radiation the shadow cast on the screen will be ...
Alte ediții - Afișează-le pe toate
Termeni și expresii frecvente
absorption actinium active deposit ALPHA RAYS aluminium atomic weight barium Becquerel bismuth Boltwood cathode rays centimetres charge carried charged particles chemical considered contained corpuscles crystals Curie and Danne deflected density detected discovery effect electric field electrolysis electrometer electroscope emana experiments exposed fact fluorescence formed Fourth Edition gases gramme of radium heat helium hydrogen Illustrations insulated ionization J. J. Thomson known light LL.D Madame Curie magnetic field matter measured metals method minerals nature negative ions negatively charged obtained passing phenomena Phil pitchblende polonium present pressure produced properties quantity of emanation quantity of radium radiation emitted radio radioactive bodies radioactive elements radioactive substances radium bromide radium chloride radium emanation radium salt rate of decay removed Röntgen rays Rutherford Rutherford and Soddy seen separated shown solution temperature thorium thorium emanation tion transformed tube uranium velocity vessel weight of radium wire