Animal Locomotion: Or, Walking, Swimming and Flying, with a Dissertation on AëronauticsD. Appleton, 1893 - 264 páginas |
Dentro del libro
Resultados 1-5 de 48
Página xvi
... result , very little is known of the laws which regulate it . If these laws were understood , and we were in possession of trustworthy data for our guidance in devising artificial pinions , the formidable Gordian knot of flight , there ...
... result , very little is known of the laws which regulate it . If these laws were understood , and we were in possession of trustworthy data for our guidance in devising artificial pinions , the formidable Gordian knot of flight , there ...
Página 5
... result in walking , swimming , and flying are necessitated by the fact that the earth affords a greater amount of support than the water , and the water than the air . That walking , swimming , and flying represent integral parts of the ...
... result in walking , swimming , and flying are necessitated by the fact that the earth affords a greater amount of support than the water , and the water than the air . That walking , swimming , and flying represent integral parts of the ...
Página 7
... result , the instruments by which locomotion is effected are specially modified . This is necessary because of the different densities and the different degrees of resistance furnished by the land , water , and air respectively . On the ...
... result , the instruments by which locomotion is effected are specially modified . This is necessary because of the different densities and the different degrees of resistance furnished by the land , water , and air respectively . On the ...
Página 10
... result of a twisting diagonal movement in the trunk and in the extremities . Without this movement , the momentum acquired by the different portions of the moving mass could not be utilized As the momentum acquired by animals in walking ...
... result of a twisting diagonal movement in the trunk and in the extremities . Without this movement , the momentum acquired by the different portions of the moving mass could not be utilized As the momentum acquired by animals in walking ...
Página 18
... resulting from muscular action . Mechanical effects of fluids on animals immersed in them . When a body is immersed in any fluid whatever , it will lose as much of its weight relatively as is equal to the weight of the fluid it ...
... resulting from muscular action . Mechanical effects of fluids on animals immersed in them . When a body is immersed in any fluid whatever , it will lose as much of its weight relatively as is equal to the weight of the fluid it ...
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Términos y frases comunes
action aërial albatross angle animal arms and legs arrangement artificial wave artificial wing ascends backwards bat and bird biped blades body bones Borelli Compare with fig concave depressed described downward dugong effective stroke elastic ligaments elbow-joint elevating and propelling ellipse elytra extended feet fins fish flexed flexible flexion flight flying foot force gannet glide hind horizontal direction humerus inclined planes increased insect wing joint kite less lever limbs locomotion long axis manner Marey motion move movements muscles muscular muscular system natural wing nervures oblique oscillate pectoral fins pinion porpoise portion position posterior extremities posterior margin posterior or thin produced quadruped rapidity remarkable resistance reverse right arm root rotation sail screw sea-bear shoulder-joint side speed spiral swimming tail thick margin travelling surfaces trunk twisting universal joint upward direction upwards and forwards velocity vertical vertical direction vibrate walking waved track weight wing descends