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The 3ω-method (3 omega method) or 3ω-technique, is a measurement method for determining the thermal conductivities of bulk material (i.e. solid or liquid) and thin layers. The process involves a metal heater applied to the sample that is heated periodically.
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"We believe that the sound of music, unamplified, occurring in a real space is a philosophic absolute against which we may judge the performance of devices designed to reproduce music." Subjectivists rely on demonstrations and comparisons but believe there are problems in applying double-blind methods to comparisons of audio devices.
The Beacon is a storage device that allows remote sharing of data such as music, pictures, and video. The Beacon allows music and video streaming to multiple devices. Android phones and tablets can be used to control the Beacon. It also has an HDMI port to allow connection to a television or monitor. Up to 6 terabytes of storage, RAID 0 and 1 ...
At the consumer's home, the cable set top box has a downconverter that mixes the incoming signal at frequency f CH + f LO with the same local oscillator frequency f LO creating the difference heterodyne frequency, converting the television channel back to its original frequency: (f CH + f LO) − f LO = f CH. Each channel is moved to a ...
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In physiological literature, it is listed by its lipid number, 18:3 (n−3). It is a carboxylic acid with an 18-carbon chain and three cis double bonds. The first double bond is located at the third carbon from the methyl end of the fatty acid chain, known as the n end. Thus, α-linolenic acid is a polyunsaturated n−3 (omega-3
An omega−3 fatty acid is a fatty acid with multiple double bonds, where the first double bond is between the third and fourth carbon atoms from the end of the carbon atom chain. "Short-chain" omega−3 fatty acids have a chain of 18 carbon atoms or less, while "long-chain" omega−3 fatty acids have a chain of 20 or more.