Literatura científica selecionada sobre o tema "High frequency ultra-sound"
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Artigos de revistas sobre o assunto "High frequency ultra-sound":
Makler, S. S., D. E. Tuyarot, E. V. Anda e M. I. Vasilevskiy. "Ultra-high-frequency coherent sound generation in resonant tunneling". Surface Science 361-362 (julho de 1996): 239–42. http://dx.doi.org/10.1016/0039-6028(96)00393-7.
Fisher, Clare, Francis Duck, Christopher Branford-White e William Whish. "The Effect of High Frequency Ultra Sound on Cell Adhesion". Biochemical Society Transactions 24, n.º 1 (1 de fevereiro de 1996): 122S. http://dx.doi.org/10.1042/bst024122s.
Greenaway, M. T., A. G. Balanov, D. Fowler, A. J. Kent e T. M. Fromhold. "Using sound to generate ultra-high-frequency electron dynamics in superlattices". Microelectronics Journal 40, n.º 4-5 (abril de 2009): 725–27. http://dx.doi.org/10.1016/j.mejo.2008.11.051.
Schmidt, Felix N., Maximilian M. Delsmann, Kathrin Mletzko, Timur A. Yorgan, Michael Hahn, Ursula Siebert, Björn Busse, Ralf Oheim, Michael Amling e Tim Rolvien. "Ultra-high matrix mineralization of sperm whale auditory ossicles facilitates high sound pressure and high-frequency underwater hearing". Proceedings of the Royal Society B: Biological Sciences 285, n.º 1893 (12 de dezembro de 2018): 20181820. http://dx.doi.org/10.1098/rspb.2018.1820.
Miura, Syumpei, Kenta Iwai, Yoshiharu Soeta e Takanobu Nishiura. "Upper hemisphere sound image control with horizontal-arranged loudspeakers based on parametric head-related transfer functions". INTER-NOISE and NOISE-CON Congress and Conference Proceedings 263, n.º 5 (1 de agosto de 2021): 1072–82. http://dx.doi.org/10.3397/in-2021-1749.
Aurégan, Yves. "Ultra-thin low frequency perfect sound absorber with high ratio of active area". Applied Physics Letters 113, n.º 20 (12 de novembro de 2018): 201904. http://dx.doi.org/10.1063/1.5063504.
Choi, Kyoung-min, Jang-Seok Park, Se-min Oh, Hunyoung Jung e Jungho Ryu. "Study on acoustic properties of ultra-low-density polyurethane with Nano-Cellulose". INTER-NOISE and NOISE-CON Congress and Conference Proceedings 268, n.º 7 (30 de novembro de 2023): 1329–33. http://dx.doi.org/10.3397/in_2023_0197.
Chen, Yuanling, Yaguang Jin, Qiang Wan e Yuan Liu. "Study on fault diagnosis of ultra-low-speed rolling bearings based on full vector sound spectrogram". Insight - Non-Destructive Testing and Condition Monitoring 65, n.º 4 (1 de abril de 2023): 209–16. http://dx.doi.org/10.1784/insi.2023.65.4.209.
Cheng, Y., C. Zhou, B. G. Yuan, D. J. Wu, Q. Wei e X. J. Liu. "Ultra-sparse metasurface for high reflection of low-frequency sound based on artificial Mie resonances". Nature Materials 14, n.º 10 (31 de agosto de 2015): 1013–19. http://dx.doi.org/10.1038/nmat4393.
Tang, Jianfang, Minghao Hu, Gan Jiang, Xuanyu Zheng e Fei Peng. "Airborne Sound Sensing System Based on DAS and Ultra-Simple Transducer Structure". Photonics 9, n.º 12 (12 de dezembro de 2022): 975. http://dx.doi.org/10.3390/photonics9120975.
Teses / dissertações sobre o assunto "High frequency ultra-sound":
Ayoub, Nadim. "Synthèse et valorisation des dérivés furaniques issus de la biomasse par oxydations sélectives". Electronic Thesis or Diss., Compiègne, 2022. http://www.theses.fr/2022COMP2677.
Biomass is one of the renewable and green resources that can sustainably meet our needs for the production of fuels, chemicals and materials. Indeed, nonedible biomass such as lignocellulose has attracted attention of researchers and scientists in the last decades as a renewable alternative. Furfural and 5-hydroxymethylfurfural (HMF), derived from the dehydration of pentoses and hexoses respectively, are produced in multimillion ton-scale annually. The latter compounds are, therefore, platform molecules and represent a major interest in the context of sustainable development. This work aims to explore novel and green methods for the selective oxidation of furfural and HMF to produce high value-added bio-sourced products such as, 2,5-diformylfuran (DFF), maleic acid and succinic acid. First, an alternative system of HMF oxidation was presented, without the use of noble metal catalysts, high pressures and avoiding the production of toxic wastes. In this context, the gram-scale oxidation HMF leads to the formation of DFF. This reaction was catalyzed by 2-iodobenzenesulfonic acid in the presence of Oxone®. Under optimized experimental conditions, the HMF conversion was found to be 100%, while the DFF yield and selectivity were almost 90%. Subsequently, we demonstrated a catalyst-free process for the gram-scale synthesis of maleic acid from furfural using high frequency ultrasound irradiations. A 70% selectivity of maleic acid with 92% of furfural conversion were achieved without any catalyst under mild conditions using H2O2 as oxidant. Our alternative approach enables the use of biomass instead of petroleum to synthesize maleic acid from furfural in an eco-friendly and energy-efficient process. At last, a novel catalytic process is developed using magnetite nanoparticles, as a cheap and non-noble metal catalyst, and hydrogen peroxide for the oxidation of furfural into succinic acid. Total conversion of furfural was achieved with 67% of succinic acid yield under mild conditions
Capítulos de livros sobre o assunto "High frequency ultra-sound":
Mundy, Simon, e Esmée Schilte. "The Future of Broadcasting". In Key Issues in the Arts and Entertainment Industry. Goodfellow Publishers, 2011. http://dx.doi.org/10.23912/978-1-906884-20-8-1430.
Trabalhos de conferências sobre o assunto "High frequency ultra-sound":
Destgeer, Ghulam, Anas Alazzam e Hyung Jin Sung. "Ultra-High Frequency Sound Waves for Microparticle Separation". In ASME/JSME/KSME 2015 Joint Fluids Engineering Conference. American Society of Mechanical Engineers, 2015. http://dx.doi.org/10.1115/ajkfluids2015-18682.
Maeda, Teruyuki. "Ultra High Speed Hydraulic Turbo Motor". In ASME 1996 International Mechanical Engineering Congress and Exposition. American Society of Mechanical Engineers, 1996. http://dx.doi.org/10.1115/imece1996-0536.
Matsuzaki, Toshiki, Atsuko Yamada, Kazuki Tamura, Kazuyo Ito, Kenji Yoshida e Tadashi Yamaguchi. "Verification of Error Factors and Accuracy Improvement in Speed of Sound Analysis at Ultra-High Frequency". In 2018 IEEE International Ultrasonics Symposium (IUS). IEEE, 2018. http://dx.doi.org/10.1109/ultsym.2018.8579672.
Kinnerup, Rasmus Trock, Arnold Knott, Ole Cornelius Thomsen, Kresten Marbjerg e Per Rasmussen. "Preamplifier With Ultra Low Frequency Cutoff for Infrasonic Condenser Microphone". In ASME 2012 Noise Control and Acoustics Division Conference at InterNoise 2012. American Society of Mechanical Engineers, 2012. http://dx.doi.org/10.1115/ncad2012-1468.