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Analysis of bistable and chaotic piezoelectric energy harvesting device coupled with diode bridge rectifier
(2015-01-01)
Vibration energy harvesting has greatly expanded over the last few years. While linear vibration-based energy harvesting has received considerable attention in the literature, some current research is focused on the concept ...
The association between ownership of common household devices and obesity and diabetes in high, middle and low income countries
(2014-03-04)
Background: Household devices (e.g., television, car, computer) are common in high income countries, and their use has been linked to obesity and type 2 diabetes mellitus. We hypothesized that device ownership is
associated ...
UV-photocurrent response of zinc oxide based devices: Application to ZnO/PEDOT:PSS hydrid Schottky diodes
(2021-01-01)
The UV photocurrent response of thin films of wide bandgap semiconductors such as zinc oxide (ZnO) can be applied to a great number of electronic devices aiming applications in environmental sensing or UV-detection. ...
Gold nanoparticles functionalized with 4,4’-dithiobiphenyl blended with CuS in PMMA for switching memory devices
(2020-08-01)
A switching memory device based on functionalized gold nanoparticles (AuNPs) and hexagonal copper sulfide nanocrystals (CuS), finely blended in polymethylmethacrylate matrix (PMMA), is herein presented. A two-electrode ...
A Tribological and Ion Released Research of Ti-Materials for Medical Devices
(2021)
The increase in longevity worldwide has intensified the use of different types of prostheses for the human body, such as those used in dental work as well as in hip and knee replacements. Currently, Ti-6Al-4V is widely ...
Study of the hydrolysis of TEOS-TMOS mixtures under ultrasound stimulation
(Elsevier B.V., 1996-10-01)
Pure and mixed tetramethoxysilane (TMOS) and tetraethoxysilane (TEOS) were hydrolyzed at 35 degrees C, using oxalic acid as a catalyst and ultrasound stimulation. The hydrolysis reaction was carried out in a specially ...
Study of the hydrolysis of TEOS-TMOS mixtures under ultrasound stimulation
(Elsevier B.V., 1996-10-01)
Pure and mixed tetramethoxysilane (TMOS) and tetraethoxysilane (TEOS) were hydrolyzed at 35 degrees C, using oxalic acid as a catalyst and ultrasound stimulation. The hydrolysis reaction was carried out in a specially ...
Pop-rock musicians: Assessment of their satisfaction provided by hearing protectors
(ASSOC BRASILEIRA OTORRINOLARINGOLOGIA & CIRURGIA CERVICOFACIAL, 2010)
Pop-rock musicians are at risk of developing hearing loss and other symptoms related to amplified music. Aim: The aim of the present study was to assess the satisfaction provided by the use of hearing protection in pop-rock ...