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nickler

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[交流] 纳米管水(Nanotube Water)(已搜索,无重复)

APS的physics news update
最近材料科学的一个较大的进展。
http://www.aip.org/pnu/2004/split/689-1.html
文章见于Physical Review Letters, 16 July 2004
Nanotube water, a one-dimensional form of water
consisting of a string of water molecules confined  
in a carbon nanotube, has been studied with neutron
scattering by physicists at Argonne National Lab.  
Neutron scattering measurements, along with computer
simulations of the molecular interactions between  
the water and the surrounding single-walled carbon  
nanotube, confirmed that water molecules had s
uccessfully been taken up into the nanotubes in the form of
a "wire." But this was not all; surrounding the water wire
was another water structure, a sheath of water, a
cylindrical square-ice- sheet formation
The result of this novel architecture was that fluid-like
behavior was observed at temperatures far below the freezing
point of normal water. The hydrogen bonds along the water chain  
seem to be softened, allowing, for example, a freer movement of
protons along the chain. The Argonne researchers  
(contact Alexander Kolesnikov, akolesnikov@anl.gov,
630-252-3555) believe that this anomalous behavior
might help to explain other phenomena featuring  
nm-scale confined water such as water migration  
from soil to plants via xylem vessels and the
proton translocation in transmembrane proteins.
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dts117

木虫 (正式写手)

很稀饭这种很新很新的前沿。。。谢谢
努力向上,不如潜心随性
3楼2006-05-14 21:54:01
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mainpro

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一路上有你,小木虫

0.5

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最好能多作一些介绍,方便虫友
哈工大光热辐射能量转换与调控课题组欢迎您加盟
2楼2006-05-07 22:56:15
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