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Water Levels Dropping in Some of the Worlds Major Rivers

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Rivers in some of the world’s most populous regions are losing water, according to a comprehensive study of global stream flows. suggests that the reduced flows in many cases are associated with climate change, and could potentially threaten future supplies of food and water. Cliff Jacobs of NSF’s Division of Atmospheric Sciences.

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Tohoku researchers develop efficient hydrodynamic reactor for pretreatment of biomass

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In a paper published in the ACS journal Industrial & Engineering Chemistry Research , the Tohoku team sugested that the HD-SP system could be easily scaled up for a high-throughput system. When pressure at the constriction (venturi throat) falls below the vapor pressure of the liquid, HD cavities (bubbles) are generated. 5b04375.

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