Buscar
Mostrando ítems 1-2 de 2
Propagación de radiofrecuencias a través del espacio interestelar
(Polytechnic University of Puerto Rico, 2004)
Pulsar statrs act like simple radio stations consisting of a rotating two pole electromagnet. They behave like interstellar beacons radiating electromagnetic pulses in the microwave band.The interstellar radiation reaches ...
Leveling of Oil Fuel Prices Through Hedging Practices at the Puerto Rico Electric Power Authority
(Polytechnic University of Puerto Rico, 2000-12)
Up to the present, all the discussions since mid 1980's regarding the convenience of leveling fuel costs have been developed on a qualitative basis. This paper will try to provide quantitative information for corporate ...