The Radioactive Substances: Their Properties and BehaviourK. Paul, Trench, Trübner & Company, Limited, 1908 - 301 pagini |
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Pagina 12
... sufficient time has elapsed for the ions carrying opposite signs to come into contact with each other and to neutralize each other's charge. This process which is supposed to be always taking place in a gas is known as ionic ...
... sufficient time has elapsed for the ions carrying opposite signs to come into contact with each other and to neutralize each other's charge. This process which is supposed to be always taking place in a gas is known as ionic ...
Pagina 11
... is a matter of no great difficulty to approxi- mate to saturation ( a potential gradient of 100 volts per cm . is usually sufficient ) , it re- quires a very large potential difference to reach a true INTRODUCTION II.
... is a matter of no great difficulty to approxi- mate to saturation ( a potential gradient of 100 volts per cm . is usually sufficient ) , it re- quires a very large potential difference to reach a true INTRODUCTION II.
Pagina 12
... sufficient time has elapsed for the ions carrying opposite signs to come into contact with each other and to neutralize each other's charge . This process which is supposed to be always taking place in a gas is known as ionic re ...
... sufficient time has elapsed for the ions carrying opposite signs to come into contact with each other and to neutralize each other's charge . This process which is supposed to be always taking place in a gas is known as ionic re ...
Pagina 17
... sufficient has been said to indicate how these quantities can be determined . The value of the mobility of the positive ion in dry air at atmospheric pressure is 1.36 centimetres per second , and for the negative ion 1.87 . The values ...
... sufficient has been said to indicate how these quantities can be determined . The value of the mobility of the positive ion in dry air at atmospheric pressure is 1.36 centimetres per second , and for the negative ion 1.87 . The values ...
Pagina 22
... , by a slightly different method , gives the value as 3.1 × 10-10 . Considering the diffi- culties of the experiments both these values agree sufficiently nearly with that obtained for the charge carried 22 22 THE RADIOACTIVE SUBSTANCES.
... , by a slightly different method , gives the value as 3.1 × 10-10 . Considering the diffi- culties of the experiments both these values agree sufficiently nearly with that obtained for the charge carried 22 22 THE RADIOACTIVE SUBSTANCES.
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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