I have to admit that I fell in love with Enterprise Search... Finding stuff within an Enterprise is...Date: 08/17/2007The Iron Architect is back...Simon just announced this year’s Iron Architect problem! I’m already looking forward to see some......
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Design and fabrication of a bat-inspired flapping-flight platform using shape memory alloy muscles and joints This work focuses on the development of a concept for a micro-air vehicle (MAV) based on a bio-inspired flapping motion that is generated from integrated s... SJ Furst,G Bunget,S ...
However, it seems unlikely that this can account for all of the large difference. It is suggested that wind tunnel experiments might overestimate birds' flight costs compared with free flight. 展开 关键词: 有机物质 模拟实验 吸附剂 沉积物 去铜 太湖 动特性 离子选择性电极 DOI: 10.1007/s11783-...
Often used in negative conditional constructions: If that doesn't beat all! beat a retreat To make a hasty withdrawal. beat around/about the bush To fail to confront a subject directly. beat it Slang To leave hurriedly. beat the bushes To make an exhaustive search. beat the drum/drums ...
And finally, to test the idea that longer flight of the long-lived population could result from an artifactual reduction in flight frequency, the rate of wing beat was compared in long-lived, short-lived and F 1 populations by means of a new device that measures wing beat continuously for ...
The ability to fly opens up ecological opportunities but flight mechanics and muscle energetics impose constraints, one of which is that the maximum body size must be kept below a rather low limit. The muscle power available for flight increases in proportion to flight muscle mass and wingbeat ...
9. Physics To cause a reference wave to combine with (a second wave) so that the frequency of the second wave can be studied through time variations in the amplitude of the combination. v.intr. 1. To inflict repeated blows. 2. To pulsate; throb. 3. a. To emit sound when struck:...
g is the acceleration due to gravity, b is the wingspan, S is the wing area, I is the wing moment of inertia, and rho is the air density, As measurements of I were not available for most species, its exponent was combined with those of m and b, by assuming that I proportional to...
The study adds to Wang's overall goal of understanding the evolution of flight, and the role that such physical laws as hydrodynamics have played in the behavior of living organisms. The framework for this simulation and control algorithm are applicable to studies of other fliers, both natural ...