…
480
INDEX
Drop—tracks (Conf.)
Effective (Conf.)
‘
—
of electrons, 439”
-—
-cross-section;
'
‘
——
of gamma rays, 281, 440
_
_
—
for electrons, 140
—
of positron, 319
'
——
for neutrons;
,
—of protons, 439
'
——
fast, 319
‘
-
_
'
of X—ray’s, 440
_—
slow, 332, 334
’
'
—
sharp, 434
_
——
from yield, 325
Dry ice, 375
‘
——
of atom, 138
‘
_
'
Drying agents, 393, 374, 378
_
——
of nuclei, 325
.
'
‘
_
_
Dualistic nature:
'
,
——
1/V law,
,
—
of eleCtron, 59
‘
_
'
.
—
wave-length of x—rays, 214
_
_
———î of radiant energy,
77
‘
'
Efciency of counters,
430 —
’
ÏDuane and Huntläw, 90
'
Einstein:
‘
‘
'
Duantelectrometer, 405
——
Brownian movements, 10
Ë
»
.
DuH emitter laments, 109
——
photo-electric equation, 80 (277)
_
_
Dunning, 334
'
—
.‘
_
—quantum theory,78
-—
j
_Dnnnington:
‘
’
Eka-osmium, 336
—
…
‘,
-,î
_…
‘—è/m of electrons, 29
?
‘
Ekaarhenîum, 336
»
‘
«
-‘
_
Dürati'on of
223
’
Elastic:
‘
‘
_‘ .
;_:…
;“
Dushman equation, 108
Î
«
'
—_collision;
‘
»
»
,
‘
'“
‘;
"
‘
‘
138
"
,
»
E
charge of,
"
_—_—
144
—. ofalphapart1clesîôÔ, 7 ,
-
———of electrons, ‘52, 144…
—ofcathederayssæelecmn
Electrodes
; …
.
—ofdeuteron8232 Ï—explonng166185
—°fhydrogenmnsg—Seahngmtoglass374
“°fPosmveraYsZZ4—23J
Electrolysw7
‘“°fposr0ns,32@Electromagnetœmass,38,235
“°fsllvef10nElectmmeters,396-408
Eastwestefïeet350—adJustment415
Effect—bllar,407
—19k6f102——experl8l
_S°h°“kY…“—C°mpmn4@5
—abs°rPtwnœeîüent201—duant4®5
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* x