Soft, dark-gray graphite is not just useful in pencils: The highly conductive and heat-resistant mineral is uniquely suited for advanced manufacturing. Yet the United States imports nearly half of the ...
AMES, Iowa – Iowa State University’s Lysle Whitmer walked the length of the bio-oil production line – from the 55-gallon solvent tank to the twin-screw extruder with its mixing, chopping, heating and ...
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