The problems that have plagued Plug Power (NASDAQ: PLUG) persisted in its second quarter as the company once again posted poor results. The stock has lost about 80% of its value in the past year.

Methods used for the study of the kinetics of exhaust hydrocarbon reactions are reviewed, compared and contrasted. The isothermal plug flow reactor which allows the determination of time resolved ...

Competition for nutrient and the ability of bacteria to colonize the gut wall are factors believed to play a role in the observed stability of the indigenous microbiota of the mammalian large ...