搜索结果: 1-15 共查到“国际动态 理学 water”相关记录76条 . 查询时间(0.242 秒)
Scientists uncover the amazing way sandgrouse hold water in their feathers（图）
沙鸡 羽毛 长距离输送水
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2023/6/5
Many birds’ feathers are remarkably efficient at shedding water — so much so that “like water off a duck’s back” is a common expression. Much more unusual are the belly feathers of the sandgrouse, esp...
Deserts ‘breathe’ water vapor, study shows（图）
沙漠 水蒸气 传输 - 非线性热耦合 孔隙平流
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2023/5/22
Deserts may seem lifeless and inert, but they are very much alive. Sand dunes, in particular, grow and move – and according to a decadeslong research project, they also breathe humid air.
Earth may have been a water world 3 billion years ago（图）
地球 地球内部 气候学
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2023/6/25
In 1995, Universal Studios released what was, at the time, the most expensive movie ever made: “Waterworld,” a film set in the distant future where the planet Earth was almost completely covered in wa...
Study shows that dry air drives overlooked changes in how plants use water（图）
dry air drives overlooked changes plants use water
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2020/6/5
Plants take up much of the water that falls to Earth. They use what they need before releasing it through tiny holes on the surfaces of their leaves, just as people release water vapor every time they...
Study shows that dry air drives overlooked changes in how plants use water（图）
dry air drives overlooked changes plants use water
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2020/6/12
Plants take up much of the water that falls to Earth. They use what they need before releasing it through tiny holes on the surfaces of their leaves, just as people release water vapor every time they...
What limits the ability of plants to draw water from dry soil?（图）
limits ability plants draw water dry soil
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2020/5/15
What limits the ability of plants to draw water from dry soil? That's the question California State University, Fullerton plant biologist H. Jochen Schenk and his collaborators addressed in a study su...
Water molecules dance in three（图）
Water molecules dance molecular level
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2020/5/9
The unique properties of water are understandable only if scientists observe the interaction of its molecules.Scientist Martina Havenith of Ruhr-Universität Bochum in Germany and her U....
Dramatic decrease in cold-water plankton during the industrial era（图）
Dramatic decrease cold-water plankton during industrial era
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2020/5/9
There was a dramatic decrease in cold-water plankton during the 20th century, in contrast to thousands of years of stability, according to a National Science Foundation-funded study by ...
Scientists determine early Earth was a ‘water world’ by studying exposed ocean crust（图）
Scientists early Earth water world’ exposed ocean crust
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2020/3/13
The Earth of 3.2 billion years ago was a "water world" of submerged continents, geologists say, after analyzing oxygen isotope data from ancient ocean crust now exposed on land in Australia. The findi...
A new way to measure the path of water（图）
new way measure path water
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2019/10/18
When a chemical spills, it's important to know how quickly the spill will spread. When irrigating a crop, a farmer needs to know how fast water moves through soil for absorption by roots. In both case...
Previously unknown mechanism causes increased forest water use（图）
unknown mechanism forest water use
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2019/10/22
Researchers have discovered a previously unknown mechanism that causes increased water use in forests, advancing our understanding of forest water cycles and highlighting threats to plants from water ...
New technique helps engineer water filters, human tissues（图）
New technique engineer water filters human tissues
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2019/10/22
Scientists at Rutgers University have developed a technique to turn proteins into never-ending patterns that look like flowers, trees or snowflakes. The study, which appears in the journal Nature Chem...
How much water does a snowpack hold?（图）
water snowpack hold hydrologic cycle
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2019/10/23
Researchers have developed a new computer model for calculating the water content of snowpacks, providing an important tool for water resource managers and avalanche forecasters as well as scientists....
Does limited underground water storage make plants less susceptible to drought?（图）
limited underground water storage plants less susceptible drought
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2019/10/23
You might expect that plants hoping to thrive in California's boom-or-bust rain cycle would choose to set down roots in a place that can store lots of water underground to last through drought years.B...
Lake Erie's toxic algae blooms:Why is the water turning green?（图）
Lake Erie toxic algae water turning green
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2019/11/22
Since the late 1990s, Lake Erie has been plagued with blooms of toxic algae that turn its waters a bright blue-green. These harmful algae blooms are made up of cyanobacteria that produce the liver tox...