Search Results - "Cygan, P."
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How do birds search for breeding areas at the landscape level? Interpatch movements of male ortolan buntings
Published in Ecography (Copenhagen) (01-12-2006)“…Animal movements at large spatial scales are of great importance in population ecology, yet little is known due to practical problems following individuals…”
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EVOLUTIONARY SIGNIFICANCE OF GEOGRAPHIC VARIATION IN A PLUMAGE-BASED FORAGING ADAPTATION: AN EXPERIMENTAL TEST IN THE SLATE-THROATED REDSTART (MYIOBORUS MINIATUS)
Published in Evolution (01-05-2006)“…Geographic variation in the plumage pattern of birds is widespread but poorly understood, and in very few cases has its evolutionary significance been…”
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Frequency shift in homologue syllables of the Ortolan Bunting Emberiza hortulana
Published in Behavioural processes (31-01-2005)“…Results of this study indicate that in the Ortolan Bunting Emberiza hortulana, syllables of the same shape on sonograms (i.e. homologue syllables) often…”
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Man portable power needs of the 21st century: I. Applications for the dismounted soldier. II. Enhanced capabilities through the use of hybrid power sources
Published in Journal of power sources (01-11-2000)“…The Army is facing a number of challenges now and in the future. One of the major challenges is in the power sources arena. As the Army continues to move…”
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Song structure and repertoire variation in ortolan bunting (Emberiza hortulana L.) from isolated Norwegian population
Published in Annales zoologici fennici (01-01-2003)“…This paper describes song structure and repertoire variation in ortolan buntings (Emberiza hortulana) from an isolated and declining Norwegian population,…”
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Signal value of alternating and overlapping singing in the Yellowhammer Emberiza citrinella
Published in Journal of ethology (2004)“…Interactive playback experiments were used to study the signal value of alternating and overlapping singing in the Yellowhammer Emberiza citrinella. We carried…”
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HABITAT-SPECIFIC SENSORY-EXPLOITATIVE SIGNALS IN BIRDS: PROPENSITY OF DIPTERAN PREY TO CAUSE EVOLUTION OF PLUMAGE VARIATION IN FLUSH-PURSUIT INSECTIVORES
Published in Evolution (01-12-2006)“…Sensory exploitation occurs when signals trigger behavioral reactions that diminish the receiver's fitness. Research in this area focuses on the match between…”
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Fuel cell/electrochemical capacitor hybrid for intermittent high power applications
Published in Journal of power sources (1999)“…A hybrid power source was demonstrated to successfully power a simulated power load encountered in portable military electronics and communications equipment…”
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Investigation of dielectric properties of polymer laminates with polyvinylidene fluoride
Published in IEEE transactions on dielectrics and electrical insulation (01-02-1996)“…The breakdown field strength of polymer laminates consisting of polymer base films coated with a thin layer of polyvinylidene fluoride (PVDF) was investigated…”
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Corn bunting (Miliaria calandra) males respond differently to alternating and overlapping playback of song
Published in Journal of ethology (01-05-2007)“…Interactive playback experiments were used to study the signal value to the corn bunting, Miliaria calandra, of alternating and overlapping singing. We…”
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Effects of multistress aging (radiation, thermal, electrical) on polypropylene
Published in IEEE transactions on nuclear science (01-06-1991)“…Capacitor-grade polypropylene films were aged under multiple stresses (electrical, thermal, and radiation). The aging experiments were performed for both…”
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Power assisted fuel cell
Published in Journal of power sources (1998)“…A hybrid fuel cell demonstrated pulse power capability at pulse power load simulations synonymous with electronics and communications equipment. The hybrid…”
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Models for insulation aging under electrical and thermal multistress
Published in IEEE transactions on electrical insulation (01-10-1990)“…A review of the methods and models used in lifetime studies of solid insulators under single- and multiple-stress conditions is presented. The statistical…”
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A short method of estimating lifetime of polypropylene film using step-stress tests
Published in IEEE transactions on electrical insulation (01-12-1990)“…Polypropylene films were tested for lifetimes under high electric fields, using both constant and step-stress methods. Various time intervals for the…”
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Accelerated life studies of polyimide film under electrical and thermal multistress
Published in Conference Record of the 1992 IEEE International Symposium on Electrical Insulation (1992)“…Accelerated life studies on a high-temperature polyimide film (Kapton) were conducted under simultaneous electrical and thermal stress at 60 Hz and 400 Hz. The…”
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