OBJECTIVE The objective of this randomized, single-use, single-blind, two-group, parallel clinical trial was to evaluate the supragingival plaque removal efficacy of two power interdental devices combined with a manual toothbrush. METHODS Eighty-two (82) subjects completed the study. Subjects were randomly assigned to one of two groups: Waterpik Water Flosser (WF) plus manual tooth brushing o...

Vacuuming robots have been more and more popular in the house cleaning. But most of such products on the market do not work efficiently. The common drawbacks are random cleaning path, lack of map information, and excessive power consumption. To solve the problems, a localization system is needed. The techniques such as Zigbee, wireless or ultrasound were adopted in the literature. However, thes...

Numerous factors, such as dust accumulation and light reflection off photovoltaic (PV) panel surfaces, adversely affect the performance efficiency of PV solar panels. On panels, increases with time. Irradiation losses caused by deposition have a negative impact on Regular cleaning is necessary for maintenance, but when carried out manually, it labor-intensive. The hand-cleaning techniques use l...

Flash memory shows promise for use in storage devices for mobile computers. However, flash memory cannot be overwritten unless erased in advance. Erase operations are slow that usually decrease system performance, and consume power. For power conservation, better system performance, and longer flash memory lifetime, system support for erasure management is necessary. In this report, a non-updat...

Fuel cell-based hybrid cycles that include conventional power generators have been created to modify energy performance and output power. In the present paper, integrated biomass gasification (IBG)-molten carbonate fuel cell (MCFC)-gas turbine (GT) and steam turbine (ST) combined power cycle is introduced as an innovative technique in terms of sustainable energy. In addition, biomass gasificati...

This paper describes a Flash Memory Server (FMS) for personal communication devices and embedded home information systems, such as set-top boxes and internet phones. Flash memory is small, lightweight, shock-resistant, nonvolatile, and requires little power. Writing to flash memory segments requires erasing the segment in advance. However, erase operations are slow and power-wasting that usuall...

Flash memory shows promise for use in storage devices for mobile computers. However, flash memory cannot be overwritten unless erased in advance. Erase operations are slow that usually decrease system performance, and consume power. For power conservation, better system performance, and longer flash memory lifetime, system support for erasure management is necessary. In this report, a non-updat...

The present study is part of a global project which consists in the development of an automatic cleaning station for immersed boats (cockle, ninepin, etc.) in a self-service mode, associating an innovative ultrasonic device for cleaning with a specific water treatment. The originality of the process is that cleaning is performed by three transducers operating simultaneously at low frequency and...

Trace metals, especially copper, are commonly occurring contaminants in harbors and marinas. One source of copper to these environs is copper-based antifouling coatings used on vessel hulls. The objective of this study was to measure dissolved copper contributions from recreational vessel antifouling coatings for both passive leaching and hull cleaning activities. To accomplish this goal, three...