A planar and low-profile high gain antenna with an ability to change direction of radiation to any desired location in a conical region, covering a major portion of the upper hemisphere, without severe performance penalty.
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Rollfast is an anti theft toilet tissue dispenser for public washrooms that offers extreme vandal resistance. It also makes huge savings in tissue cost
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The present invention relates to a sensor for the detection of chemical species in aquatic, air or agricultural environments. In one embodiment, the chemical species is free ammonia, and the sensor detects free ammonia in aquatic, air or agricultural environments.
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ANU researchers havedesigned an air curtain controlsystem for thermal solarreceivers for concentratingsolar power (CSP)applications.>> The active control systemresponds to operatingconditions, such as thereceiver orientation, operatingtemperature and windconditions, and adjusts thespeed and angle of.....
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