Results 131 to 140 of about 114,195 (182)

First record of eocene bony fishes and crocodyliforms from Canada's Western Arctic. [PDF]

open access: yesPLoS One, 2014
Eberle JJ   +3 more
europepmc   +1 more source

On the gear mechanics before the cycloid and involute profiling

open access: yes, 2011
After the extraordinary development of the machinery in the Hellenistic antiquity, the gear technique was transmitted to the Middle Ages through the Byzantine and Islamic culture and then to the Modern Era. The tooth profile was very crude, often trapezoidal or even rectangular and the gear behavior differed substantially from the modern involute ...
openaire   +1 more source

Fishes of the Conambo River Basin, an unexplored area in the Ecuadorian Amazon: first annotated checklist. [PDF]

open access: yesPeerJ
Valdiviezo-Rivera J   +8 more
europepmc   +1 more source

Eye-size variability in deep-sea lanternfishes (Myctophidae): an ecological and phylogenetic study. [PDF]

open access: yesPLoS One, 2013
de Busserolles F   +4 more
europepmc   +1 more source

Home - About - Disclaimer - Privacy