| 1. | Therefore, the net energy saving of cool roofs varies depending on climate.
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| 2. | Thus, Kacelnik concluded that starlings maximize net energy gain per unit time.
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| 3. | So as the domains get smaller, the net energy saved by splitting decreases.
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| 4. | However, both of these devices operate at a net energy loss.
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| 5. | At present we can't even make net energy from fusion at any price.
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| 6. | Net energy payback is estimated to be 2 3 years.
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| 7. | In this case net energy may be transferred from the electron to the photon.
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| 8. | In examining Coulomb scattering, resulting in a net energy gain.
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| 9. | Still, he insists, the numbers show a 30 percent net energy loss with ethanol.
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| 10. | The net energy change of investments depends on energy choices in Brazil and China.
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