ScienceJohn Michels (Journalist) 1957 |
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Стр. 37
... period , the solution contained 15 to 20 lit of CO2 as Na2CO3 , which was precipitated as CaCO3 by the addition of ... period from October to De- cember 1952 in French Morocco and four similar collections in Alaska gave average values ...
... period , the solution contained 15 to 20 lit of CO2 as Na2CO3 , which was precipitated as CaCO3 by the addition of ... period from October to De- cember 1952 in French Morocco and four similar collections in Alaska gave average values ...
Стр. 72
... period of Low- land Maya cultural development . By " the classic period " is usually meant the time - span A.D. 300-900 . The present series of carbon - 14 dates is in agreement with a growing opinion that the La Venta phase of Olmec ...
... period of Low- land Maya cultural development . By " the classic period " is usually meant the time - span A.D. 300-900 . The present series of carbon - 14 dates is in agreement with a growing opinion that the La Venta phase of Olmec ...
Стр. 1179
... period necessary for activation of vege- tative growth in the Elberta peach is 950 hours of temperature below 45 ° F ( 4 ) . Two - year - old Elberta peach trees which had " normally " dropped their leaves in the fall and had been ...
... period necessary for activation of vege- tative growth in the Elberta peach is 950 hours of temperature below 45 ° F ( 4 ) . Two - year - old Elberta peach trees which had " normally " dropped their leaves in the fall and had been ...
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Chlorpromazine and reserpine prevention | 7 |
3262 | 9 |
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