نتایج جستجو برای: carbon spheres

تعداد نتایج: 301195  

2016
B. Calderon F. Smith I. Aracil A. Fullana

Extended Abstract Nanoscale zero-valent iron (nZVI) particles have demonstrated to effectively remove a wide range of pollutants from water, such as chlorinated compounds, heavy metals and dyes. However, the use of nZVI in environmental remediation is limited do to its lack of stability and easy aggregation [1]. nZVI can also deliver the contaminants that had already been adsorbed in their surf...

Journal: :Ocean Science 2023

Abstract. The particle size distribution (PSD) of suspended particles in near-surface seawater is a key property linking biogeochemical and ecosystem characteristics with optical properties that affect ocean color remote sensing. Phytoplankton affects their physiological roles, e.g., the biological carbon pump, which has an important role global cycle thus climate. It to develop capabilities fo...

2003
CHARLES P. BOYER

Any sphere S admits a metric of constant sectional curvature. These canonical metrics are homogeneous and Einstein, that is the Ricci curvature is a constant multiple of the metric. The spheres S, m > 1 are known to have another Sp(m + 1)-homogeneous Einstein metric discovered by Jensen [Jen73]. In addition, S has a third Spin(9)-invariant homogeneous Einstein metric discovered by Bourguignon a...

1995
Rob Kusner

The spinor representation is developed and used to investigate minimal surfaces in R with embedded planar ends. The moduli spaces of planar-ended minimal spheres and real projective planes are determined, and new families of minimal tori and Klein bottles are given. These surfaces compactify in S to yield surfaces critical for the Möbius invariant squared mean curvature functional W . On the ot...

2011
Francisco Torrens Gloria Castellano

It is discussed the existence of single-wall carbon nanocones (SWNCs), especially nanohorns (SWNHs), in organic solvents in the form of clusters [1]. A theory is developed based on a bundlet model, describing their distribution function by size [2]. The phenomena have a unified explanation in the bundlet model, in which the free energy of an SWNC, involved in a cluster, is combined from two com...

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