3M's substantial litigation costs will negatively impact free cash flow, making it a potential value trap. Growth has been nonexistent in recent years and no clear catalysts for growth are visible. 3M ...

The development of a soot incinerator with dual ceramic filters and an electric strip heater is discussed herein. The incinerator is designed to operate in series with a diesel particulate trap ...

Diesel particulate traps, when heavily loaded with soot to assure complete incineration, are susceptible to thermal stress failure when regenerated under conditions of high exhaust temperature ...

Observation of protein interactions with individual DNA molecules allows one to measure kinetic and structural changes that are not easy to study using bulk biochemical techniques. In this ...