نتایج جستجو برای: off spring
تعداد نتایج: 235708 فیلتر نتایج به سال:
Scott G. Keller University of Central Florida Orlando, Florida, USA Ali P. Gordon University of Central Florida Orlando, Florida, USA ABSTRACT Helical compression springs are commonly used devices capable of storing kinetic energy. Typical applications vary in simplicity, ranging from low stress amplitudes and in favorable environments, e.g. ball point pen spring at room temperature, to mill...
Th e preference–performance hypothesis predicts that when female herbivorous insects determine where to position off spring of low mobility, they will select sites that maximize development and survival of those off spring. How this critical relationship responds to variation in climatic and habitat conditions remains untested, however, despite its important consequences for population and evol...
Current commercially available prosthetic feet have succeeded in decreasing the metabolic cost and increasing the speed of walking compared to walking with conventional, mostly solid prosthetic feet. However, there is still a large discrepancy when compared with a non‐disabled gait, and the walking pattern remains strongly disturbed. During the stance phase of the leg, t...
A rigid ventral shelf ankle foot orthosis (AFO) may improve gait in children with spastic cerebral palsy (SCP) whose gait is characterized by excessive knee flexion in stance. However, these AFOs can also impede ankle range of motion (ROM) and thereby inhibit push-off power. A more spring-like AFO can enhance push-off and may potentially reduce walking energy cost. The recent development of an ...
[1] Repeated mesoscale surveys of waters over the shelf and slope off Oregon were conducted during spring and summer of 2001 to study the spatial structure of the velocity and hydrographic fields. The ocean response to wind forcing is compared between a region of relatively simple topography with alongshore uniformity and a region of complex topography including a shallow submarine bank (Heceta...
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