ScienceJohn Michels (Journalist) 1955 |
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Стр. 360
... Electric well logging is a method that measures the naturally occurring potentials set up at varying depths in the drilling mud of a bore - hole and the electric resistivities of the rock formations penetrated . Because these quantities ...
... Electric well logging is a method that measures the naturally occurring potentials set up at varying depths in the drilling mud of a bore - hole and the electric resistivities of the rock formations penetrated . Because these quantities ...
Стр. 389
... electric current . Earlier students , using discharges from the Leyden jar , or of atmospheric electricity , had observed such stimulation . Neither was he the first to detect animal electricity . John Walsh had demonstrated the electric ...
... electric current . Earlier students , using discharges from the Leyden jar , or of atmospheric electricity , had observed such stimulation . Neither was he the first to detect animal electricity . John Walsh had demonstrated the electric ...
Стр. 432
... electric service to nearly every branch of agricultural activity and contains a tremendous quantity of valuable empirical data , design information , and specifications on the sizes of electric loads imposed by the variety of farm ...
... electric service to nearly every branch of agricultural activity and contains a tremendous quantity of valuable empirical data , design information , and specifications on the sizes of electric loads imposed by the variety of farm ...
Содержание
ANNUAL REVIEW | 166 |
PSYCHOLOGY | 189 |
Child Psychology M RadkeYarrow and L J Yarrow | 220 |
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