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Showing 241 - 260 results of 343 for search '"electret"', query time: 0.61s Refine Results
  1. 241
    Järjestelmä koiran haukun ilmaisuun ja rekisteröintiin langattomasti
    by Karjalainen, L. (Leevi)
    Published 2018
    “... of an electret microphone is discussed in the first chapter along with the usage of an operational amplifier in a...”
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  2. 242
    Development of a Multiple Microphone Probe Calibrator
    by Oldham, Jonathan Reed
    Published 2007
    “... electret microphones which typically do not have an ideal “flat" response over a wide range of frequencies...”
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  3. 243
    Penetration of Diesel Exhaust Particles (DEPs) through Fibrous Filters Produced Using Melt-Blown Technology
    by Agata Penconek, Anna Jackiewicz, Arkadiusz Moskal
    Published 2014-09-01
    “... the mechanical and electret filters and their potential effectiveness in the filtration of DEPs. The theoretical...”
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    Article
  4. 244
    Testing the Degradation of the Exterior Wall Tiles of School Buildings by Tap Tone Method
    by 顏嘉慶
    Published 2013
    “... apparatus to tap the ceramic tiles with the same force, and record the sound sample using an electret...”
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  5. 245
    Cápsula transmissora linear com transdutor de eletreto, para uso em telefonia
    by Jaime, Joaquin Roberto
    Published 1983
    “... as normas TELEBRÁS === In this work, we show the development of a linear transmitter with electret...”
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  6. 246
    Multi-functional nanocomposites for the mechanical actuation and magnetoelectric conversion
    by Zhang, Jiawei
    Published 2011
    “... and piezoelectricity. Besides, we report on the electrostrictive performance of cellular polypropylene electret after...”
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  7. 247
    Experimental study of the process of inner treatment of porous polylactide in a pulsed DBD
    “... groups on the polymer surface is shown. The effect of electret properties of polylactide on the discharge...”
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    Article
  8. 248
    Design of a Microphone Automatic Gain Control Amplifier
    “...), will be fed through an electret condenser microphone (ECM). With the wide dynamic range of the input signal...”
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  9. 249
    Integration of Heart Sound and Electrocardiogram in the Evaluation of Heart Failure
    by Kuan-Wei Chen, 陳冠瑋
    Published 2010
    “... and left ventricular hypertrophy(LVH). In this study, we used electret condenser microphone to measure...”
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  10. 250
    Design and laboratory evaluation of an inexpensive noise sensor
    by Hallett, Laura Ann
    Published 2017
    “... sensor network. The inexpensive noise sensor consists of an electret condenser microphone, an amplifier...”
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  11. 251
    Low voltage operated organic memory devices
    by Peng-LinKuo, 郭朋霖
    Published 2019
    “.... Polyimide (PI) was applied to n-type OTFTs as both insulator and electret in order to improve electrical...”
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  12. 252
    Novel Bio-Organic Field-Effect Transistor (BioFET) Memory with Collagen/1-Aminopyrene complexes as Dielectric Layer
    by Yun-Yi Chuang, 莊允怡
    Published 2014
    “.... The second part, non-water soluble 1-aminopyrene to be gate electret via CTMA brought into collagen water...”
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  13. 253
    Charge and Filtration Characteristics of Novel Porous Fibers
    by Shao-Tai Lee, 李紹台
    Published 2017
    “... particle. The electret filter can greatly enhance filter quality by electrostatic mechanisms. Besides, some...”
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  14. 254
    Organic electronic devices with protein as the gate dielectric
    “... matrix via CTMA, which was the gate electret. Collagen-CTMA-1-aminopyrene composite films were used...”
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  15. 255
    Model-Based Fiber Diameter Determination Approach to Fine Particulate Matter Fraction (PM<sub>2.5</sub>) Removal in HVAC Systems
    by Marlena Drąg
    Published 2021-01-01
    “... it can enter into lungs and bronchi, causing a series of health problems. Conventional electret air...”
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    Article
  16. 256
    Gamma radiation and indoor radon concentrations in the western and southwestern regions of Saudi Arabia
    “..., equipped with an E-Perm Electret ion chamber, for radon concentration measurements in a total of 1119...”
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    Article
  17. 257
    Radon (Rn-222) and thoron (Rn-220) emanation fractions from three separate formations of oil field pipe scale
    by Fruchtnicht, Erich Harold
    Published 2004
    “..., and electret ion chambers were used to measure the concentration of radon emanated from the scale...”
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  18. 258
    Cápsula transmissora linear com transdutor de eletreto, para uso em telefonia
    by Joaquin Roberto Jaime
    Published 1983
    “... transmitter with electret transducer, as an option for the carbon transmitter actually used in the brazilian...”
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  19. 259
    Implementation of integrated electronic electrocardiogram and stethoscope device for heart sound signals monitoring.
    by Wen-yang Chou, 周文揚
    Published 2012
    “... for heart signals monitoring. Heart sound is picked up by an electret condenser microphone...”
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  20. 260
    Ultrasonic activation of inert poly(tetrafluoroethylene) enables piezocatalytic generation of reactive oxygen species
    “...(tetrafluoroethylene) to a piezoelectric electret and drive piezocatalytic generation of aqueous ROS....”
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    Article
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