Results 41 to 50 of about 2,114 (259)

Hybrid GOMP–ROMP Algorithm for Sparse Channel Estimation in mmWave MIMO: Enhancing Convergence and Reducing Computational Complexity

Future Internet
This paper proposes an efficient sparse channel estimation method for millimeter wave (mmWave) hybrid multiple-input multiple-output (MIMO) systems. The performance of orthogonal matching pursuit (OMP) and its advanced variants—generalized OMP (GOMP ...
Anjana Babu Sujatha, Vinoth Babu Kumaravelu   +1 more
doaj   +1 more source

Scalable and Multifunctional PAN‐MXene Composite Fibers for Thermal Management, Photothermal Conversion, Energy Harvesting, and Sensing for Wearable Applications

Advanced Materials, EarlyView.
Electrospun PAN‐MXene nanofibers and yarns integrate enhanced thermal conductivity, photothermal conversion, and triboelectric energy harvesting within a flexible architecture. Interconnected MXene networks promote efficient phonon transport, while their surface chemistry strengthens tribo‐negative behavior, enabling a high power density of 432.7 mW m ...
Ahmadreza Moradi, Piotr K. Szewczyk, Urszula Stachewicz   +2 more
wiley   +1 more source

Evaluation of multicomponent recombinant vaccines against Actinobacillus pleuropneumoniae in mice

Acta Veterinaria Scandinavica, 2010
Background Porcine contagious pleuropneumonia (PCP) is a highly contagious disease that is caused by Actinobacillus pleuropneumoniae (APP) and characterized by severe fibrinous necrotizing hemorrhagic pleuropneumonia, which is a severe threat to the ...
Shao Meili, Wang Yong, Wang Chunlai, Guo Yang, Peng Yonggang, Liu Jiandong, Li Guangxing, Liu Huifang, Liu Siguo   +8 more
doaj   +1 more source

Todo se rompe

La Colmena, 2022
"Todo se rompe" es un cuento de corte fantástico y psicológico. En él se narra parte de la vida de una familia trastocada por la desaparición de Mariana, una de dos hermanas, durante nueve días. La historia se cuenta desde el punto de vista de Berenice, la hermana menor, y la madre: en la confluencia de sus voces, en la exposición de sus recuerdos, se ...
openaire   +1 more source

Self‐Regulating Sodium‐Ion Battery Materials: From Phase Reconstruction to Functional Activation

Advanced Materials, EarlyView.
Self‐regulating sodium‐ion batteries hinge on programmable phase behavior in layered oxides, interphases that renew without growth, and electrolytes that steer solvation and chemistry. This review distills mechanisms into design rules that span composition, site and entropy tuning, and self‐buffering anodes, linking operando evidence to choices and ...
Hong Gao, Dingyi Zhang, Chao Wang, Tianxiao Chen, Xingwang Peng, Yuxiu Xing, Xin Guo, Yufei Zhao, Yong Wang, Guoxiu Wang, Hao Liu   +10 more
wiley   +1 more source

Channel estimation for massive multiple‐input and multiple‐output system based on different measurement matrices

IET Networks, 2019
This study proposes a construction method of deterministic measurement matrix based on a correlation criterion. On this basis, the authors investigated the massive multiple‐input and multiple‐output (MIMO) channel estimation algorithm using the ...
Ruijin Ma, Huisheng Zhang
doaj   +1 more source

Precision Aliphatic Polyesters via Segmer Assembly Polymerization

Molecules, 2018
Precise structure-property relation of a biodegradable polymer (e.g., aliphatic polyester) is anticipated only if monomer units and chiral centers are arranged in a defined primary sequence as a biomacromolecule. An emerging synthetic methodology, namely
Fu-Rong Zeng, Yang Liang, Zi-Long Li
doaj   +1 more source

High-Load, Hybrid Si-ROMP Reagents [PDF]

Organic Letters, 2010
The combination of norbornenyl-tagged (Nb-tagged) silica particles and functionalized Nb-tagged monomers for the generation of hybrid Si-ROMP reagents and scavengers is reported. Specifically Si-ROMP-derived bis-acid chloride, dichlorotriazine, and triphenylphosphine scavenger/reagents have been grafted from the surface of silica particles utilizing ...
Rolfe, Alan, Loh, Joanna K., Maity, Pradip K., Hanson, Paul R.   +3 more
openaire   +3 more sources

Phase Diagrams Enable Solid‐State Battery Design

Advanced Materials Interfaces, EarlyView.
Batteries are non‐equilibrium devices with inherent thermodynamic driving forces to react at interfaces, regardless of kinetics or operating conditions. Chemical potential mismatches across interfaces are dissipated via interfacial reactions. In this work, it is illustrated how phase diagrams and chemical potential maps predict degradation pathways but
Nathaniel L. Skeele, Matthias T. Agne
wiley   +1 more source

Degradation Mechanisms in PEM Water Electrolysis: Diagnosis and Impact

Advanced Materials Technologies, EarlyView.
This review provides an analysis of degradation mechanisms in proton electrolyte membrane water electrolyzers (PEMWE), focusing on all key components. It discusses diagnostic and measurement techniques for evaluating degradation, less‐studied mechanisms, and an expert survey.
Annik Bernhardt, Katja Lange, Robert Göckeritz, Erik Grunwald, Angelika Hähnel, Alexander Müller, Volker Naumann, Sistan Rasuli, Wolfram Münchgesang, Bruno G. Pollet, Kerstin Witte‐Bodnar, Klemens Ilse   +11 more
wiley   +1 more source