Results 21 to 30 of about 106,762 (106)

Structural Optimization Design of the Dual-Layer CMUT with Low Power Consumption and High Ultrasonic Reception Performance

Micromachines
Capacitive micromachined ultrasonic transducers (CMUTs) have been widely applied in fields such as air-coupled ultrasonic nondestructive testing, gesture recognition, and 3D imaging. However, most current CMUTs struggle to simultaneously achieve both low
Jie Li, Zhaohui Xiao, Zutang Wu, Xiong Hu, Zhikang Li, Yihe Zhao, Min Li, Jiawei Yuan, Shaohui Qin, Libo Zhao   +9 more
doaj   +1 more source

Laser Active Optical Systems (LAOSs) for Material Processing

Micromachines
The output energy of Laser Active Optical Systems (LAOSs), in which image brightness is amplified within the laser-active medium, is always higher than the input energy. This contrasts with conventional optical systems (OSs).
Vladimir Chvykov
doaj   +1 more source

Offshore Renewable Energy: Ocean Waves, Tides and Offshore Wind [PDF]

, 2019
This book covers technical articles based on individual contributions from a number of authors working on offshore wind, wave and tidal energy research.
Vengatesan Venugopal (Ed.), Eugen Rusu (Ed.)   +1 more
core   +1 more source

Dispositivo de posicionamiento de muestras biológicas para su irradiación en un canal radial de un reactor nuclear // Biological samples positioning device for irradiations on a radial channel at the nuclear research reactor

Ingeniería Mecánica, 2010
ResumenPor la demanda de un dispositivo experimental para el posicionamiento de las muestras biológicaspara su irradiación en un canal radial de un reactor nuclear de investigaciones en funcionamiento, seconstruyó y se puso en marcha un dispositivo para ...
Maritza Rodríguez - Gual, Felix Mas - Milián, Airton Deppman, Paulo Rogerio Pinto - Coelho   +3 more
doaj  

Optimal Design for a Novel Compliant XY Platform Integrated with a Hybrid Double Symmetric Amplifier Comprising One-Lever and Scott–Russell Mechanisms Arranged in a Perpendicular Series Layout for Vibration-Assisted CNC Milling

Micromachines
Compliant mechanisms are often utilized in precise positioning systems but have not been thoroughly examined in vibration-aided fine CNC machining. This study aims to develop a new 02-DOF flexure stage for vibration-aided fine CNC milling.
Minh Phung Dang, Anh Kiet Luong, Hieu Giang Le, Chi Thien Tran   +3 more
doaj   +1 more source

Selected Papers from SDEWES 2017: The 12th Conference on Sustainable Development of Energy, Water and Environment Systems [PDF]

, 2019
EU energy policy is more and more promoting a resilient, efficient and sustainable energy system. Several agreements have been signed in the last few months that set ambitious goals in terms of energy efficiency and emission reductions and to reduce the ...
Xiliang Zhang (Ed.), Mário Manuel Gonçalves da Costa (Ed.), Francesco Calise (Ed.), Neven Duić (Ed.), Qiuwang Wang (Ed.)   +4 more
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A Disposable Dopamine Sensor Based on Oxidized Cellulose Nanofibril-Modified SPCE

Micromachines
Dopamine is a major catecholamine neurotransmitter that plays an essential role in the functioning of the human central nervous system. Imbalances in dopamine levels are associated with neurological disorders and depression.
Feriel Boussema, Sondes Bourigua, Zayneb Jebali, Hatem Majdoub, Nicole Jaffrezic-Renault, Hamdi Ben Halima   +5 more
doaj   +1 more source

Gieten en Kneden - Primaire Technieken voor het Vormgeven van Bouwelementen

, 2016
Dit boek is het werk van Jan van der Woord, die een speciale belangstelling had voor gieten en kneden in de jaren dat hij universitair hoofddocent was bij de leerstoel Productontwikkeling aan de Faculteit Bouwkunde TU Delft.
J. van der Woord
core   +1 more source

A Dialysis Membrane-Integrated Microfluidic Device for Controlled Drug Retention and Nutrient Supply

Micromachines
Traditional pre-clinical drug evaluation methods, including animal experiments and static cell cultures using human-derived cells, face critical limitations such as interspecies differences, ethical concerns, and poor physiological relevance.
Hajime Miyashita, Yuya Ito, Kenta Shinha, Hiroko Nakamura, Hiroshi Kimura   +4 more
doaj   +1 more source

Research Progress and Application Scenarios of Wire + Arc Additive Manufacturing: From Process Control to Performance Evaluation

Micromachines
In recent years, with the innovation and continuous development of additive manufacturing technology, research on wire arc additive manufacturing technology (WAAM) has become increasingly common and in-depth in the chemical industry, mold manufacturing ...
Chun Guo, Qingcheng Lin, Ruizhang Hu, Suisong Wu   +3 more
doaj   +1 more source