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A Fast Falling Weight Deflectometer (FFWD) is a FWD with pneumatic or electric actuators rather than hydraulic, making the mechanics several times faster. A Heavy Weight Deflectometer (HWD) is a falling weight deflectometer that has higher loads (typically 300 kN to 600 kN), used primarily for testing airport pavements.
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Structural indices derived from falling weight deflectometer data; In image analysis: Shape factor (image analysis and microscopy) including: The compactness measure of a shape; In statistics: The shape parameter, sometimes referred to as the shape factor, of some probability distributions
The driving power from the falling weight is about 12 mW, so there is a substantial excess of power used to drive the escapement. Much of this energy is dissipated in the acceleration and deceleration of the frictional "fly" attached to the escape wheels.
Opponents of Trump's order have said the 14th Amendment's citizenship clause's meaning was cemented 127 years ago when the U.S. Supreme Court ruled that children born in the United States to non ...
This doesn’t mean it’s safe to go outside. The back side of the storm can often be way more dangerous than the storms before. For example, if the hurricane is heading north, winds on the back ...
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