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Recycling of tectonic plates a key driver of Earth’s oxygen budget（图）
构造板块 地球氧气收支 氧气循环
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2023/5/23
A new study co-led by a Cornell researcher has identified serpentinite – a green rock that looks a bit like snakeskin and holds fluids in its mineral structures – as a key driver of the oxygen recycli...
Dissolvable smartwatch makes for easier electronics recycling
dissolvable smartwatch electronics recycling metal nanocomposites
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2021/8/6
Small electronics, including smartwatches and fitness trackers, aren't easily dismantled and recycled. So when a new model comes out, most users send the old devices into hazardous waste streams. To s...
Study reports repair of mitochondrial recycling defect linked to Parkinson’s disease
dopamine PD mitochondria recovery
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2021/8/11
A study in mice shows that an experimental small molecule helped restore the removal of damaged mitochondria from dopamine-producing brain cells.
Microbes far beneath the seafloor rely on carbon recycling to survive（图）
Microbes far beneath seafloor rely carbon recycling survive
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2020/3/20
Scientists at the Woods Hole Oceanographic Institution have revealed how microorganisms survive in rocks nestled thousands of feet beneath the ocean floor in the lower oceanic crust. The study is publ...
Algae-killing viruses spur nutrient recycling in oceans（图）
Algae-killing viruses nutrient recycling oceans
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2019/10/23
Scientists have confirmed that viruses can kill marine algae called diatoms, but diatom die-offs near the ocean surface may provide nutrients and organic matter for recycling by other algae.Diatoms ar...
Less life:Limited phosphorus recycling suppressed early Earth’s biosphere
Less life Limited phosphorus recycling early Earth’s biosphere
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2017/12/18
As Earth’s oxygen levels rose to near-modern levels over the last 800 million years, phosphorus levels also increased, according to modeling led by the UW’s Michael Kipp and others. Accordingly, Kipp ...
Polymer additive could revolutionize plastics recycling
Polymer additive revolutionize plastics recycling
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2017/3/14
When Geoffrey Coates, the Tisch University Professor of Chemistry and Chemical Biology, gives a talk about plastics and recycling, he usually opens with this question: What percentage of the 78 millio...
Algae Disrupt Coral Reefs’ Recycling
Algae Coral Reefs Recycling
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2016/5/6
Coral reefs—the world’s most productive and diverse marine ecosystems—rely on a masterful recycling program to stay healthy. The corals and algae that form the base of the reef’s food web release a va...
Fish Type, Body Size Can Help Predict Nutrient Recycling Rates
Fish Type Body Size Predict Nutrient Recycling Rates
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2015/4/29
The nutrients excreted by fish in their “pee” may be critical to the health of coastal ecosystems. But knowing whether generalizations can be made about how to predict these nutrient levels in various...
Stoichiometric imbalance in rates of nitrogen and phosphorus retention, storage, and recycling can perpetuate nitrogen deficiency in highly-productive reservoirs
nitrogen phosphorus retention storage
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2014/11/28
We measured the nutrient stoichiometry of inputs, outputs, retention, storage, and recycling in three seasonally
nitrogen (N)-deficient reservoirs by incorporating watershed mass balances with measur...
Hypoxic events stimulate nitrogen recycling in a shallow salt-wedge estuary: The Yarra River estuary, Australia
Hypoxic events stimulate nitrogen recycling shallow salt-wedge estuary The Yarra River estuary Australia
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2014/4/4
The Yarra River estuary is a salt-wedge estuary prone to periods of stratification-induced anoxia and hypoxia (O2 < 100 μmol L−1) during low-flow events. Nitrate reduction pathways were examined...
Hypoxic events stimulate nitrogen recycling in a shallow salt-wedge estuary: The Yarra River estuary, Australia
Hypoxic events stimulate nitrogen recycling a shallow salt-wedge estuary The Yarra River estuary Australia
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2014/4/3
The Yarra River estuary is a salt-wedge estuary prone to periods of stratification-induced anoxia and hypoxia(O2,100mmol L21) during low-flow events. Nitrate reduction pathways were examined using the...
Recycling of Ornamental Stones Hazardous Wastes
Recycling Ornamental Stones Wastes Microstructure Quicklime
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2013/3/8
Sawing and polishing of the ornamental stones always generate large amount of solid and wet hazardous wastes, which pollute the environment. In Shak Al-Thoaban area, East Cairo, Egypt, huge amounts of...
Recycling Lanolin from Tannery Wastewater by Mixed Flocculation and Extraction Processing
Lanolin Mixed Flocculation and Extraction Recovery Rate Tannery Wastewater
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2011/12/16
Using mixed flocculation and extraction method to recover the lanolin from Tannery Wastewater, and studied the process research. The result indicated that the recovery rate of lanolin can reached 92% ...
Numerical simulations of an ocean/continent convergent system: influence of subduction geometry and mantle wedge hydration on crustal recycling
ocean/continent convergent system Numerical simulations subduction geometry and mantle wedge hydration
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2011/9/5
The e ects of the hydration mechanism on continental crust recycling are analyzed through a 2D nite element thermo-mechanical model. Oceanic slab dehydration and consequent mantle wedge hydration are...