Proceedings of the American Academy of Arts and Sciences, Volumen73Metcalf and Company, 1937 Vol. 12 (from May 1876 to May 1877) includes: Researches in telephony / by A. Graham Bell. |
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Página 316
... energy V , for this ionic type of binding is given approximately by : V = - B + R R ( 3 ) where B / R " is the repulsion term , B is a constant , and n is about 9 for many substances . The behavior of such a system has been illustrated ...
... energy V , for this ionic type of binding is given approximately by : V = - B + R R ( 3 ) where B / R " is the repulsion term , B is a constant , and n is about 9 for many substances . The behavior of such a system has been illustrated ...
Página 330
... energy to over- come the force of attraction is required for diffusion . c ) Channel width 4 Å . Forces of repulsion enter so that the activation energy required for movement of helium through the channel is high , and increases very ...
... energy to over- come the force of attraction is required for diffusion . c ) Channel width 4 Å . Forces of repulsion enter so that the activation energy required for movement of helium through the channel is high , and increases very ...
Página 335
... energy greater than a certain critical energy can pass through . The change of the permeability and activation energy with the size of diffusing atoms indicates that the accessible pores are only of atomic di- mensions , and that the ...
... energy greater than a certain critical energy can pass through . The change of the permeability and activation energy with the size of diffusing atoms indicates that the accessible pores are only of atomic di- mensions , and that the ...
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5 | 145 |
Studies on the Fauna of Some Thermal Springs in the Dutch Indies By C T BRUES 71 | 164 |
Amphibians and Reptiles in Nerada By J M LINSDALE | 195 |
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