Results 211 to 220 of about 78,238 (235)

L21 Structure of the Alloy AuAgZn2

Nature, 1963
PROBABLY the most interesting examples of the L21 structure are the copper-based Heusler alloys Cu2MnX (X = aluminium, indium or tin), which are ferromagnetic in the ordered state. Recent additions to this structural type are Cu2MnSb (ref. 1), which is antiferromagnetic, and Au2MnAl (ref. 2), which is ferromagnetic.
D. P. MORRIS, C. D. PRICE
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B2+L21 ordering in Co2MnAl Heusler alloy

AIP Conference Proceedings, 2014
Magnetic and structural properties of B2 ordered Co2MnAl Heusler alloy have been studied by X-ray diffraction and DC magnetization techniques. X-ray diffractogram shows the structure is of B2 type with preferential site disorder between Mn and Al atoms and presence of a small L21 phase.
A. Vinesh, V. D. Sudheesh, N. Lakshmi, K. Venugopalan   +3 more
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Mutation in ribosomal protein L21 underlies hereditary hypotrichosis simplex

Human Mutation, 2011
Hereditary hypotrichosis simplex (HHS) is a form of nonsyndromic inherited hair loss disorders without characteristic hair shaft changes, which has marked genetic and clinical heterogeneity. After mapping the locus to 13q12.12-12.3 in a Chinese family with a generalized variant of autosomal dominant HHS (ADHHS), exome sequencing was performed in an ...
Cheng, Zhou, Dongjie, Zang, Yan, Jin, Huafeng, Wu, Zhengyi, Liu, Juan, Du, Jianzhong, Zhang   +6 more
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Robust Face Recognition Based l21-Norm Sparse Representation

2014 5th International Conference on Digital Home, 2014
In recent years, Sparse Representation based classification (SRC) has made great progress in Face Recognition. However, SRC is only efficient and effective when the noise is sparse. The recognition rate of SRC decreases when the noise is non-Gaussian, for example, the light on the face is quite various or the face is covered in part by a mask.
Zhao Lu, Yanfeng Sun, Yongli Hu, Baocai Yin   +3 more
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L21 Physiotherapy And Exercise Prescription In Huntington's Disease

Journal of Neurology, Neurosurgery & Psychiatry, 2014
Background Chorea, rigidity, dystonia and muscle weakness are characteristic defects of Huntington’s disease (HD). These motor defects underlie the gradual loss of function and mobility for people with HD as the disease progresses. Provision of an individualised exercise programme is one of the principal physiotherapy interventions in the management ...
S. O'Neill, A. Higgins, J. Hoblyn
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Robust and structural sparsity auto-encoder with L21-norm minimization

Neurocomputing, 2021
Abstract The mean square error (MSE), as the most commonly used cost function for auto-encoder, is sensitive to outliers or impulsive noises in real-world application, which may misguide the training process. At the same time, stacked auto-encoder(SAE) is indeed a totally fully connected network, the parameters exponentially increase as the nodes and
Rui Li, Xiaodan Wang, Wen Quan, Yafei Song, Lei Lei   +4 more
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Deformation of single crystals of the L21 ordered Ag2MgZn

Journal of Materials Science, 1980
The orientation and temperature dependence of slip geometry and yield stress in single crystals of the L21 ordered Ag2MgZn has been studied in compression in the temperature range 290 to 580 K. The slip direction in Ag2MgZn is exclusively 〈1 1 1〉 in this temperature range, but the slip plane varies with crystal orientations; slip occurs on (¯2 1 1) for
Masaharu Yamaguchi, Yukichi Umakoshi
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Hierarchical extreme learning machine with L21-norm loss and regularization

International Journal of Machine Learning and Cybernetics, 2020
Recently, multilayer extreme learning machine (ELM) algorithms have been extensively studied for hierarchical abstract representation learning in the ELM community. In this paper, we investigate the specific combination of $$L_{21}$$ -norm based loss ...
Rui Li, Xiaodan Wang, Yafei Song, Lei Lei   +3 more
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High pseudoelasticity of nanoscale L21 phase–Ni43Ti38Al19 thin films

Materials Letters, 2014
Abstract Pseudoelasticity of nanocrystalline Ni 43 Ti 38 Al 19 thin films with thickness of 600 nm is investigated by nanoindentation. It is found that the films with grain size of 12–28 nm are composed of L2 1 –Ni 2 TiAl phases, Ni 3 Ti precipitates and few B2–NiTi phases.
J. Shi, Z.H. Cao, K. Hu, G.J. Pan, M.Z. Wei, L.J. Xu, X.K. Meng   +6 more
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MPEC 2023-L21 : DAILY ORBIT UPDATE (2023 June 6)

2023
The Minor Planet Electronic Circulars contain information on unusual minor planets, routine data on comets and natural satellites, and occasional editorial announcements. They are published on behalf of Division F of the International Astronomical Union by the Minor Planet Center, Smithsonian Astrophysical Observatory, Cambridge, MA 02138, U.S.A.
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