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Alternating from spheres to rugby balls is no longer the sole preserve of mercury isotopes, an international team at CERN’s ISOLDE facility reports in a paper published in Physical Review Letters.
The Pop-Up Effect:Why Buoyant Spheres Don’t Always Leap Out of the Water
Buoyant Spheres Leap Out of the Water
2016/11/29
It’s a common swimming pool game: Force a buoyant ball underwater and let it go. The ball springs to the surface and jumps into the air. But, submerge the ball deeper underwater and the effect is ofte...
SPHERES, Julich's High-Flux Neutron Backscattering Spectrometer at FRM II
SPHERES Julich's High-Flux Neutron FRM II Instrumentation and Detectors
2012/4/24
SPHERES (SPectrometer with High Energy RESolution) is a third-generation neutron backscattering spectrometer, located at the 20 MW German neutron source FRM II and operated by the Juelich Centre for N...
A simple route to synthesize ZnFe2O4 hollow spheres and their magnetorheological characteristics
Hollow spheres report templates particles crystal structure X-ray diffraction transmission electron microscopy
2015/3/30
In this paper, a simple route to synthesize hollow spheres of ZnFe2O4 without the assistance of a template is reported. The crystal structure and morphology of these particles were characterized by x-...
Topology Representation for the Voronoi Diagram of 3D Spheres
Euclidean Voronoi diagram of spheres non-manifold model data structure
2009/8/19
Euclidean Voronoi diagram of spheres in 3-dimensional space has not been explored as much as it deserves even though it has significant potential impacts on diverse applications in both science and en...
Fabrication and characterization of photocatalytic activity of Fe3O4-doped CdS hollow spheres
Magnetic materials Nanostructures Semiconductors
2015/3/30
A new hollow sphere photocatalyst has been fabricated by combining Fe3O4 with nanoparticulate CdS. Their microstructures and photocatalytic behavior were examined by X-ray powder diffraction,transmiss...
Magnetically Separable Fe3O4/TiO2 Hollow Spheres: Fabrication and Photocatalytic Activity
Magnetic separation hollow spherical titanium dioxide mixed catalyst benzyl propionate particle size transmission electron microscopy
2015/3/30
Well-defined magnetic separable, hollow spherical Fe3O4/TiO2 hybrid photocatalysts were successfully prepared through a poly(styrene-acrylic acid) (PSA) template method. This bifunctional product was ...
Layer-by-layer assembly of imogolite nanotubes and polyelectrolytes into core-shell particles and their conversion to hierarchically porous spheres
hierarchically porous materials layer-by-layer colloidal templating core-shell particles hollow spheres imogolite nanotubes
2010/10/13
Core-shell particles were prepared by the layer-by-layer (LbL) assembly of imogolite (IMO)
nanotubes and poly(sodium 4-styrenesulfonate) (PSS) on polystyrene particles (diameter:
800 nm) coated prel...
期刊信息
篇名
Boundary element simulation of hydrodynamic interaction of two smooth spheres suspended in an unbounded Couette flow
语种
英文
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作者
刘滔,林文贤,伊继东,夏朝凤,A.L. Graham,M.S. Ingber,J.R. Abbott,J.W. L...
期刊信息
篇名
Hydrodynamic interaction of two neutrally-buoyant smooth spheres suspended in plane Poiseuille flow: the BEM simulations versus the MoR approximations
语种
英文
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作者
林文贤,A.L. Graham,M.S. In...
期刊信息
篇名
BEM simulation of hydrodynamic interaction between two identical neutrally buoyant smooth spheres freely moving in a wide gap Couette flow
语种
英文
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作者
夏朝凤
第一作者单位
云南师范大学
刊物名称
Energy Conve...