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electrets in a sentence

"electrets" in Chinese  
  1. Sessler is the author / editor of several books on electrets and acoustics.
  2. Most commercially produced electrets are based on fluoropolymers ( e . g . amorphous Teflon ) machined to thin films.
  3. Cellular space charge electrets with internal bipolar charges at the voids provide a new class of electret materials, that mimic ferroelectrics, hence they are known as ferroelectrets.
  4. His works have been devoted to electrical insulators and particularly electrets, instrumentation and sensors, for instance in medical imaging, or on the improvement of telecommunication networks.
  5. One of his main contributions to physics has been the discovery of bioelectrets, i . e ., electrets as a property of biological materials such as bone and biopolymers.
  6. It's difficult to find electrets in a sentence.
  7. Historically, electrets were made by first melting a suitable dielectric material such as a polymer or wax that contains polar molecules, and then allowing it to re-solidify in a powerful electrostatic field.
  8. Historically, Frei and Groetzinger published a paper in German in 1936 with the title " Liberation of electrical energy during the fusion of electrets " ( English translation of the original title in German ).
  9. Modern electrets are usually made by embedding excess charges into a highly insulating dielectric, e . g . by means of an electron beam, a corona discharge, injection from an electron, electric breakdown across a gap or a dielectric barrier, etc.
  10. Electrets can also be manufactured by embedding excess negative charge within a dielectric using a particle accelerator, or by " stranding " charges on, or near, the surface using high voltage corona discharges, a process called " corona charging ".
  11. Although not bound states in the strict sense, metastable states with a net positive interaction energy, but long decay time, are often considered unstable bound states as well, and are called " quasi-bound states . " Examples include certain radionuclides and electrets.
  12. His research portfolio includes polymer electrets with quasi-permanent space charge, pyroelectric properties, polymer composites with novel property combinations, physical mechanisms of dipole orientation and charge storage, electrically deformable dielectric elastomers ( sometimes also called " electro-electrets " ), as well as the physics of musical instruments.
  13. His research portfolio includes polymer electrets with quasi-permanent space charge, pyroelectric properties, polymer composites with novel property combinations, physical mechanisms of dipole orientation and charge storage, electrically deformable dielectric elastomers ( sometimes also called " electro-electrets " ), as well as the physics of musical instruments.
  14. Sometimes termed " phantom power ", this is not a suitable power source for microphones designed for true phantom power and is better termed " bias voltage " . ( Note that this is not a polarizing voltage for the condenser, as electrets by definition have an intrinsic voltage; it is power for a FET preamplifier built into the microphone . ) Compatibility between different manufacturers is unreliable.
  15. Gerhard served as secretary of the 5th IEEE International Symposium on Electrets ( ISE ) in Heidelberg ( 1985 ), co-chair of the 7th IEEE International Symposium on Electrets ( ISE ) in Berlin ( 1991 ), chair of the 10th IEEE International Conference on Solid Dielectrics ( ICSD ) in Potsdam ( 2010 ) and chair of the 2nd International Conference on Electromechanically Active Polymers ( EuroEAP ) in Potsdam ( 2012 ).
  16. Gerhard served as secretary of the 5th IEEE International Symposium on Electrets ( ISE ) in Heidelberg ( 1985 ), co-chair of the 7th IEEE International Symposium on Electrets ( ISE ) in Berlin ( 1991 ), chair of the 10th IEEE International Conference on Solid Dielectrics ( ICSD ) in Potsdam ( 2010 ) and chair of the 2nd International Conference on Electromechanically Active Polymers ( EuroEAP ) in Potsdam ( 2012 ).
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