Oxygen could be the most abundant element in the Earth's crust, around 21% of air, but modern day city of significant air pollution, oxygen is actually absorbed in to the body suffers, lives in this atmosphere, people's health will probabl…

Freescale accumulated sensor technology has more than 30 years, considering the fact that its launch in 2010 Xtrinsic sensing solution, has been constantly improved its item line aimed at sensor systems smaller, quicker, extra precise, and…