ScienceJohn Michels (Journalist) 1957 |
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Стр. 152
... measure for any surface . Germanium Surface in a Gaseous Ambient Let us now consider a germanium sur- face in a gaseous ambient . By the Kelvin method , one can measure a contact po- tential difference between the surface and a ...
... measure for any surface . Germanium Surface in a Gaseous Ambient Let us now consider a germanium sur- face in a gaseous ambient . By the Kelvin method , one can measure a contact po- tential difference between the surface and a ...
Стр. 184
... measure- ment gives a value for the activity of " recent carbon " -that is , the quantity A in the decay law A / A = exp . ( -t / t ) on which the calculation of radiocarbon ages is based ( A is the measured activity of a sample today ...
... measure- ment gives a value for the activity of " recent carbon " -that is , the quantity A in the decay law A / A = exp . ( -t / t ) on which the calculation of radiocarbon ages is based ( A is the measured activity of a sample today ...
Стр. 732
... measurements . The important task of interpretation cannot always be accomplished by mere obser- vation of photographs . It may be neces- sary to plot geologic data and to measure geologic features by photogrammetric methods in order to ...
... measurements . The important task of interpretation cannot always be accomplished by mere obser- vation of photographs . It may be neces- sary to plot geologic data and to measure geologic features by photogrammetric methods in order to ...
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Chlorpromazine and reserpine prevention | 7 |
3262 | 9 |
3264 | 19 |
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