ScienceJohn Michels (Journalist) 1951 |
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Стр. 191
... experiments under various meteorological conditions , and over consider- able periods of time , will be required to permit sound conclusions as to the quantity of usable rainfall that may be expected to result from cloud seeding ...
... experiments under various meteorological conditions , and over consider- able periods of time , will be required to permit sound conclusions as to the quantity of usable rainfall that may be expected to result from cloud seeding ...
Стр. 217
... experiments planned so as to extract the maxi- mum amount of information per unit cost . Such achievement requires a demonstrable index of the pre- cision attained in the experiment , and of the risks of the probable inferences that may ...
... experiments planned so as to extract the maxi- mum amount of information per unit cost . Such achievement requires a demonstrable index of the pre- cision attained in the experiment , and of the risks of the probable inferences that may ...
Стр. 328
... experiments was prepared by adding Ca45 Cl2 to a water solution of C.P.CaCl , and then precipitating the calcium as car- bonate by making the solution alkaline with NH3 and then bubbling CO2 into the solution , under pressure , until ...
... experiments was prepared by adding Ca45 Cl2 to a water solution of C.P.CaCl , and then precipitating the calcium as car- bonate by making the solution alkaline with NH3 and then bubbling CO2 into the solution , under pressure , until ...
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