Search results
Results From The WOW.Com Content Network
Alcon offices in Johns Creek, Georgia. Alcon Inc. ( German: Alcon AG) is a Swiss-American pharmaceutical and medical device company specializing in eye care products. It has a paper headquarters in Geneva, Switzerland but its operational headquarters are in Fort Worth, Texas, United States, where it employs about 4,500 people. [2]
The US Food and Drug Administration (FDA) defines soft contact lenses as: made of soft, flexible plastics that allow oxygen to pass through to the cornea. Soft contact lenses may be easier to adjust to and are more comfortable than rigid gas permeable lenses. Newer soft lens materials include silicone-hydrogels to provide more oxygen to your ...
In the Americas (defined as International Telecommunication Union (ITU) region 2), the FM broadcast band consists of 101 channels, each 200 kHz wide, in the frequency range from 87.8 to 108.0 MHz, with "center frequencies" running from 87.9 MHz to 107.9 MHz. For most purposes an FM station is associated with its center frequency.
Alcon Entertainment, LLC is an American independent film and television production company, founded in 1997 by film producers Broderick Johnson and Andrew Kosove.Since its establishment, Alcon Entertainment has developed and financed films that are ultimately distributed – in the United States mostly, and internationally on occasion – by Warner Bros. Pictures, following a ten-year motion ...
Flooding in Port Arthur from Hurricane Harvey. From 1980 to the present, 81 tropical or subtropical cyclones affected the U.S. state of Texas.According to David Roth of the Weather Prediction Center, a tropical cyclone makes landfall along the coastline about three times every four years, and on any 50 mi (80 km) segment of the coastline a hurricane makes landfall about once every six years.
Texas Interconnection. The two major and three minor NERC Interconnections, and the nine NERC Regional Reliability Councils. The Texas Interconnection is an alternating current (AC) power grid – a wide area synchronous grid – that covers most of the state of Texas. The grid is managed by the Electric Reliability Council of Texas (ERCOT) .
Electromagnetic compatibility. Anechoic RF chamber used for EMC testing (radiated emissions and immunity). The furniture has to be made of wood or plastic, not metal. Electromagnetic compatibility ( EMC) is the ability of electrical equipment and systems to function acceptably in their electromagnetic environment, by limiting the unintentional ...
v. t. e. In telecommunication, especially radio communication, spread spectrum are techniques by which a signal (e.g., an electrical, electromagnetic, or acoustic) generated with a particular bandwidth is deliberately spread in the frequency domain over a wider frequency band. Spread-spectrum techniques are used for the establishment of secure ...