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Ensuring Underwater Robots Survive in Hot Tropical Waters

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The hot, humid environment of tropical marine areas such as Australia’s Great Barrier Reef can wreak havoc on the marine autonomous systems. Underwater and surface MAS are used for marine monitoring, locating objects such as mines on the seafloor, and rescuing swimmers.

Water 92
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Researchers demonstrate electrochemical synthesis of ammonia from air and water under mild conditions

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Researchers from the University of Strathclyde and the University of St. is well known that some higher plants can synthesize ammonia or its derivatives directly from air and water at room temperature. To the best of our knowledge, there is no report on artificial synthesis of ammonia direct from air and water.

Water 268
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This Startup Builds USVs That Collect Data About Oceans

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“Our planet’s oceans are full of information that can help us protect at-risk marine life, allow ships to select more fuel-efficient routes, crack down on illegal fishing, better understand the impacts of climate change, and more,” Angus says. She has a bachelor’s degree in biology and psychology from McMaster University , in Hamilton, Ont.,

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Researchers uncover mechanism behind oil synthesis in algae

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Researchers led by a team from Kobe University in Japan have revealed the mechanism behind oil synthesis within microalgae cells. Focusing on marine microalgae, the researchers found that Chlamydomonas sp. JSC4, a new species of green alga harvested from brackish water, combines a high growth rate with high levels of lipids.

Oil 170
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Researchers Convert Green Tide Macroalgae to Bio-oil

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Researchers at Fudan University (Shanghai, China) have converted the marine macroalgae Enteromorpha prolifera , one of the main algae genera for “green tide”—massive algal blooms caused by eutrophication of marine water bodies—to bio-oil by hydrothermal liquefaction in a batch reactor at temperatures of 220-320 °C.

Oil 186
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Study Finds Biodiesel Easily Susceptible to Anaerobic Biodegradation, With Resulting Accelerated Biocorrosion of Metal

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A study by researchers from the University of Oklahoma and the US Naval Research Laboratory has found that biodiesel is easily susceptible to biological degradation by anaerobic bacteria. Energy Fuels , Article ASAP doi: 10.1021/ef100084j. Corresponding micrographs (e-g) indicate pitting after acid cleaning. Credit: ACS, Aktas et al.

Mariner 287
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BOEMRE awards $5.6M for Arctic environmental study to inform decision-making on potential energy development in the Chukchi Sea; $500K for study on ice fracturing

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The US Bureau of Ocean Energy Management, Regulation and Enforcement (BOEMRE) today recently signed a cooperative agreement with the University of Texas at Austin and a team of Arctic researchers for a comprehensive study of the Hanna Shoal ecosystem in the Chukchi Sea off Alaska’s northwest coast. Click to enlarge. Dr. Kenneth H.

Alaska 186