A simple, low cost and portable, handheld liquid petroleum gas detector is reported in this paper. This battery powered handheld device is fitted with a MQ2 gas sensor and the output voltage of the sensor varies in accordance ...

To achieve energy efficiency, energy management and optimization works across of the entire waste water treatment plant. Some equipment and processes, such as pumps and air blowers related to aeration tanks are particularly ...

With the increasing of patient in hospital, facilities must find a new and better way to scale communication, and workflow in order to upgrade the quality patient care. Findings from the study indicate the need for smart, ...