ScienceJohn Michels (Journalist) 1951 |
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Стр. 192
... field is well covered , however , and with few exceptions emphasis is proportional to the method or the procedure . Part 2 , " Geologic Occurrence of Petroleum " ( 202 pp . ) , summarizes the more important theories concerning the ...
... field is well covered , however , and with few exceptions emphasis is proportional to the method or the procedure . Part 2 , " Geologic Occurrence of Petroleum " ( 202 pp . ) , summarizes the more important theories concerning the ...
Стр. 274
... Field tests should not be difficult , once the optimum treatment schedules could be established in the laboratory . Assuming an establishment of such schedules , the field practice will require attention chiefly with respect to the ...
... Field tests should not be difficult , once the optimum treatment schedules could be established in the laboratory . Assuming an establishment of such schedules , the field practice will require attention chiefly with respect to the ...
Стр. 435
... field ( 13 gauss ) at right angles to the length of the crucible containing the melt . The mica formed in large sheets parallel to the magnetic lines of force . Dietzel attributes this effect to the paramagnetism of mica . However , it ...
... field ( 13 gauss ) at right angles to the length of the crucible containing the melt . The mica formed in large sheets parallel to the magnetic lines of force . Dietzel attributes this effect to the paramagnetism of mica . However , it ...
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The Potentiation of DDT against Resistant Houseflies | 6 |
Book Reviews | 21 |
AAAS Administration | 26 |
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