Products & Services

See also: Categories | Featured Products | Technical Articles | More Information

Conduct Research Top

  • The Bucket Drilling Method
    For drilling with the bucket rig, groundwater must be at least 8-10 feet below existing grade or the drill rig needs to be ramped up to achieve 8-10 feet of head, which in some cases may require a surface casing. This makes the bucket drilling method a viable option in a variety of soil conditions.
  • Sensor Sense: Cylinder-Position Sensors
    Cylinder-position sensors are used in pneumatic or hydraulic cylinders. They determine the home and end stroke of the piston head within the cylinder. The difficulty lies in detecting the position of the piston within its cylindrical housing. Magnets placed within the piston head let magnetic

More Information Top

Lock Indicates content that may require registration and/or purchase. Powered by IHS Goldfire

    … paper argues against the position of Bittner and Hale (1996a,b), and others, who argue that absolutive case in E/A languages is equivalent to nominative case in N/A languages, in being associated with the most external case head , though it is like …
  • Recidivism among Welfare Recipients: The Role of Neighborhood and Access to Employment
    Of the case heads that leave the program within a two-year period, 15.3 percent remain out of welfare for less than three months and 35 percent returned within one year.