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  1. Facilitated diffusion. Facilitated diffusion is a passive movement of molecules across the cell membrane from the region of higher concentration to the region of lower concentration by means of a carrier molecule. Dialysis: It is the diffusion of solutes across a selectively permeable membrane. A selectively permeable membrane is one that ...

  2. Define carrier. carrier synonyms, carrier pronunciation, carrier translation, English dictionary definition of carrier. n. 1. One that transports or conveys: baggage carriers; a message carrier.

  3. 2.2.3 Energy carrier: electricity and thermal energy and oil products. In general, the term “ energy carrier ” refers to the energy form of the energy inputs required within the various sectors of a society to perform the related functions. In this work, this category classifies the case studies based on the energy form of the energy ...

  4. Other articles where carrier is discussed: poison: Transport of chemicals through a cell membrane: …cross the cell membrane using carriers. Carriers are membrane proteins that complement the structural features of the molecules transported. They bind to the chemicals in order to move them across the cell membrane. Energy is consumed because the transport proceeds against the concentration ...

  5. 4: Carrier Drift and Mobility ... Carrier mobility is useful as it is the ratio of drift velocity to the electric field strength. Below we will give the mathematical ...

  6. Jan 6, 2015 · The discovery of the photoelectric effect by Heinrich Hertz in 1887 set the foundation for over 125 years of hot carrier science and technology. ... goes far beyond the traditional definition of a ...

  7. Communication Systems, Civilian. Simon Haykin, in Encyclopedia of Physical Science and Technology (Third Edition), 2003. II.A.1 Double-Sideband Suppressed-Carrier Modulation. The carrier wave c(t) is completely independent of the information-carrying signal or baseband signal m(t), which means that the transmission of the carrier wave represents a waste of power.

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