984 resultados para fl exiguridad
Resumo:
Port. con esc. xil. de Aragón
Resumo:
Port. con esc. xil.
Resumo:
Colofón
Resumo:
Colofón
Resumo:
Marca tip. en port.
Resumo:
Port. con escudo xil. real de Felipe II
Resumo:
Port. con escudo xil. real de Felipe II
Resumo:
Mención de responsabilidad tomada del prefacio
Resumo:
Mención de responsabilidad tomada del prefacio
Resumo:
Port. con esc. xil. real de Felipe II
Resumo:
Port. con esc. xil. real de Felipe II
Resumo:
Marca tip. en P8v (Vindel, 315)
Resumo:
Marca tip. en P8v (Vindel, 315)
Resumo:
Archaeopteryx has played a central role in the debates on the origins of avian (and dinosaurian) flight, even though as a flier it probably represents a relatively late stage in the beginnings of fl ight. We report on aerodynamic tests using a life-sized model of Archaeopteryx performing in a low turbulence wind tunnel. Our results indicate that tail deflection significantly decreased take-off velocity and power consumption, and that the first manual digit could have functioned as the structural precursor of the alula. Such results demonstrate that Archaeopteryx had already evolved high-lift devices, which are functional analogues of those present in today's birds.
Resumo:
El colofón aparece fechado en 1582