نتایج جستجو برای: spherical skein composite

تعداد نتایج: 169158  

Journal: :Algebraic & Geometric Topology 2023

We provide finite presentations for stated skein algebras and deduce that those are Koszul they isomorphic to the quantum moduli appearing in lattice gauge field theory, generalizing previous results of Bullock, Frohman, Kania-Bartoszynska Faitg.

2017
Bitao Fan Shujun Chen Qiufang Yao Qingfeng Sun Chunde Jin

Cellulose nanofiber/AlOOH aerogel for flame retardant and thermal insulation was successfully prepared through a hydrothermal method. Their flame retardant and thermal insulation properties were investigated. The morphology image of the cellulose nanofiber/AlOOH exhibited spherical AlOOH with an average diameter of 0.5 μm that was wrapped by cellulose nanofiber or adhered to them. Cellulose nan...

2006
Tom G. Mackay Akhlesh Lakhtakia

A composite material comprising randomly distributed spherical particles of two different isotropic dielectric–magnetic materials is homogenized using the second–order strong– property–fluctuation theory in the long–wavelength approximation. Whereas neither of the two constituent materials by itself supports planewave propagation with negative phase velocity (NPV), the homogenized composite mat...

Journal: :Nanoscale 2013
Bishnu P Biswal Dhanraj B Shinde Vijayamohanan K Pillai Rahul Banerjee

Luminescent graphene quantum dots (GQDs) are encapsulated and stabilized in Zeolitic Imidazolate Framework (ZIF-8) nanocrystals. The GQDs are well confined due to the adsorption on the growing face of the ZIF-8 nanocrystals and have a profound effect on the shape of the nanocrystals from rhombic dodecahedron to spherical. Stabilizing GQDs inside the ZIF-8 nanocrystals results in tailoring of th...

2008
L. J. Deka U. K. Vaidya

The impact damage response of balsa core sandwich composite plates with S2-glass/ epoxy reinforced facesheets is evaluated by impacting them with a spherical steel projectile at single impact locations. The impact damage can significantly reduce the structural integrity and load bearing capacity of a composite structure. Under high velocity impact loading, laminated composites experience signif...

2011
Jan Prasek Dalibor Huska Ondrej Jasek Lenka Zajickova Libuse Trnkova Vojtech Adam Rene Kizek Jaromir Hubalek

The first aim of this study was to fabricate vertically aligned multiwalled carbon nanotubes (MWCNTs). MWCNTs were successfully prepared by using plasma enhanced chemical vapour deposition. Further, three carbon composite electrodes with different content of carbon particles with various shapes and sizes were prepared and tested on measuring of nucleic acids. The dependences of adenine peak hei...

Journal: :Applied optics 2009
Tingyin Ning Chunchong Chen Yueliang Zhou Heng Lu Hong Shen Dongxiang Zhang Pei Wang Hai Ming Guozhen Yang

Au:BaTiO(3) composite films comprising hexagon-shaped Au nanoparticle arrays covered with BaTiO(3) matrix were fabricated by double-layer nanosphere lithography and pulsed laser deposition technique. The optical nonlinearity of the composite film was determined using the Z-scan technique at a wavelength of 532 nm and a pulse duration of 25 ps. The third-order nonlinear optical susceptibility, c...

Journal: :Physical review letters 1994
Nakajima Aoki

Spin-wave excitation mode from the spin-polarized ground state in the fractional quantum Hall liquid with odd fractions (ν = 1/3, 1/5) numerically obtained by the exact diagonalization of finite systems is shown to be accurately described, for wavelengths exceeding the magnetic length, in terms of the composite-fermion mean-field approximation for the spin-wave (magnon) theory formulated in the...

2010
S. Kamnis

High velocity oxygen fuel thermal spray has been widely used to deposit hard composite materials such as WC-Co powders for wear-resistant applications. Unlike gas atomized spherical powders, WC-CO powders form a more complex geometry. The knowledge gained from the existing spherical powders on process control and optimization may not be directly applicable to WC-Co coatings. This paper is the f...

1998
H R Morton H J Ryder

Details of quantum knot invariant calculations using a specific SU(3)q –module are given which distinguish the Conway and Kinoshita– Teresaka pair of mutant knots. Features of Kuperberg’s skein-theoretic techniques for SU(3)q invariants in the context of mutant knots are also discussed. AMS Classification 57M25; 17B37, 22E47

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