Encyclopedia of Energy: Ph-SElsevier, 2004 |
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25. oldal
... satellites and spacecraft provide electric power for on - board equipment and communication with control centers on Earth . Before 1957 , when the first satellite , Sputnik I , was launched , there was much debate about the best way to ...
... satellites and spacecraft provide electric power for on - board equipment and communication with control centers on Earth . Before 1957 , when the first satellite , Sputnik I , was launched , there was much debate about the best way to ...
26. oldal
... satellite circuitry . Many charge - discharge cycles can occur , and to operate in the vacuum , custom - manufactured sealed batteries are used with nickel - cadmium or lithium electrodes . • Electric power distribution : Autonomous ...
... satellite circuitry . Many charge - discharge cycles can occur , and to operate in the vacuum , custom - manufactured sealed batteries are used with nickel - cadmium or lithium electrodes . • Electric power distribution : Autonomous ...
27. oldal
... satellite attitude controls , especially if they are based on magnetometers , lead to loss of power when the solar arrays are not facing the sun and to reduced communication with the satellite antennas . The large increase in charged ...
... satellite attitude controls , especially if they are based on magnetometers , lead to loss of power when the solar arrays are not facing the sun and to reduced communication with the satellite antennas . The large increase in charged ...
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Entropy Geothermal Power Generation | 1 |
Aquaculture and Energy Use Scenarios | 3 |
United Nations Energy Agreements | 7 |
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