This paper builds a portable digital ion trap mass spectrometer prototype by designing the vacuum system, control circuit system, and host computer of the ion trap mass spectrometer. Dextromethorphan ...

Read Joe Biden doctor's full statement on refusing to testify Milwaukee Brewers trade for speedy Dodgers outfielder There’s a new ‘bonus’ tax deduction worth $6,000 for older taxpayers ...

MANISTEE — U.S. Coast Guard air station Traverse City spent the day in Manistee conducting their annual mass casualty exercise that they said helps them save lives when emergencies arise. Each ...