Asymptotic cones of acceptance and their use in the study of the daily variation of cosmic radiation

1963 ◽  
Vol 68 (2) ◽  
pp. 345-369 ◽  
Author(s):  
U. R. Rao ◽  
K. G. McCracken ◽  
D. Venkatesan
1958 ◽  
Vol 6 ◽  
pp. 377-385
Author(s):  
V. Sarabhai ◽  
N. W. Nerurkar ◽  
S. P. Duggal ◽  
T. S. G. Sastry

Study of the anisotropy of cosmic rays from the measurement of the daily variation of meson intensity has demonstrated that there are significant day-today changes in the anisotropy of the radiation. New experimental data pertaining to these changes and their solar and terrestrial relationships are discussed.An interpretation of these changes of anisotropy in terms of the modulation of cosmic rays by streams of matter emitted by the sun is given. In particular, an explanation for the existence of the recently discovered types of daily variations exhibiting day and night maxima respectively, can be found by an extension of some ideas of Alfvén, Nagashima, and Davies. An integrated attempt is made to interpret the known features of the variation of cosmic ray intensity in conformity with ideas developed above.


1954 ◽  
Vol 94 (4) ◽  
pp. 1031-1036 ◽  
Author(s):  
J. W. Firor ◽  
W. H. Fonger ◽  
J. A. Simpson

Tellus ◽  
1959 ◽  
Vol 11 (2) ◽  
pp. 239-248 ◽  
Author(s):  
A. Dattner ◽  
D. Venkatesan
Keyword(s):  

1990 ◽  
Vol 22 (3-4) ◽  
pp. 153-160 ◽  
Author(s):  
T. Okubo ◽  
M. Okada ◽  
A. Murakami ◽  
Y. Inamori

Effects of daily variation of flow on the performance of submerged anaerobic/aerobic biofilm systems were investigated both by laboratory study using synthetic wastewater and by field study using gray water. In laboratory study, concentration of dissolved organic carbon (DOC) in effluent from anaerobic filter fluctuated with daily variation of flow when average hydraulic retention time (HRT) was below 10 h. However, daily mean values of DOC under the varied flow was almost the same as those under constant flow within the same daily mean HRT. Aerobic filter linked to anaerobic filter reduced the concentration of DOC satisfactorily though the concentration in anaerobic filter increased under short HRT. In field study, percent removal of organic carbon by anaerobic filter was considerably smaller (20-30%) than that in laboratory study (90-95%) both at HRT of 20 h though it was improved up to 60-80% by aerobic filter. Effects of peaking factor of flow on the variation of DOC were evaluated by mathematical analysis. It seemed that the peaking factor hardly affected daily mean values of DOC within the same daily mean HRT though maximum values of DOC increased with the increase of peaking factor.


1989 ◽  
Author(s):  
C. S. Dyer ◽  
A. J. Sims ◽  
R. J. Hutchings ◽  
D. Mapper ◽  
J. H. Stephen ◽  
...  

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