In this paper, we present our recent studies on the pentagon-based tensegrity ring from a mechanical, kinematical and experimental point of view. In term of theoretical study, numerical simulations are carried out. We analyse the influence of the self-stress level and element stiffness (cables ...
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There can, obviously, be no doubt that the terrorists who flew the planes into the WTC and the Pentagon meant harm and could safely be called enemies. The theory that this paper tries to support, though, is that this attack was given meaning in the minds of the American people through a...
We moved into Prince William County so Scott could complete his final assignment with the Army at the Pentagon and I could "finish" raising our 4 kids. The home we purchased back then has changed over these 21 years quite a bit. We hired various contractors to renovate bathrooms, the ...
section having straight sides and sharp corners, use of the word "square" herein will be understood to apply equally to a straight-sided and/or to a bow-sided polygonal section, be it a square, a triangle, a pentagon, or a hexagon, i.e., whatever the number of sides of the polygon...
aSubsequent protection of the nitrogen atom and the oxygen atom within this system resulted in carbamate 151. 氮气原子和氧原子的随后保护在这个系统之内导致氨基甲酸袂151。[translate] aregular pentagon 规则五边形[translate] aThe rest of us 我们其余的人[translate] ...
itself attacked by Islamic terrorism in which 19 extremists hijacked 4 transcontinental airliners and intentionally crashed two of them into the twin towers of the World Trade Center and one into the Pentagon. Sept. 11, 2001 was one of the most transformative events in the history of Americ 在...
The announcement fulfills a promise made by President Donald Trump in February to tap military construction funds to build his border wall. The move was slammed by Congress when it was first announced and only recently completed a Pentagon legal review. ...
In this paper, we consider a wireless sensor network consisting of an unmanned aerial vehicle (UAV) acting as a sink node and a number of sensor nodes scattered uncertainly on the ground. In the network, the UAV flies to a spatial point called point of i