DD-Scientific, the leading manufacturer of electrochemical gas sensors, has launched a lead-free O2 portal which gives ...
Abstract: In order to identify the bacteria in wound infection, an electronic nose system with a sensor array of 34 sensors was designed. Eight kinds of samples were detected, i.e., culture medium, ...
Amateur Photographer on MSN

Best used smartphones to buy right now

Flagship smartphones are expensive – but can you get a bargain by buying used? Amy Davies shows you some options The post ...