Chao Hou
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View article: Observations of a UHE-Only Source: LHAASO J2027+3657 and its Potential Counterpart
Observations of a UHE-Only Source: LHAASO J2027+3657 and its Potential Counterpart Open
LHAASO J2027+3657 is an ultra-high-energy (UHE) gamma-ray extended source discovered by LHAASO in the Cygnus region. No significant gamma-ray emission with energy below 10 TeV has been detected from this source, and ground-based facilities…
View article: EOOD: Entropy-based Out-of-distribution Detection
EOOD: Entropy-based Out-of-distribution Detection Open
Deep neural networks (DNNs) often exhibit overconfidence when encountering out-of-distribution (OOD) samples, posing significant challenges for deployment. Since DNNs are trained on in-distribution (ID) datasets, the information flow of ID…
View article: Path Planning for Wall-Climbing Robots Using an Improved Sparrow Search Algorithm
Path Planning for Wall-Climbing Robots Using an Improved Sparrow Search Algorithm Open
Traditional path planning algorithms typically focus only on path length, which fails to meet the low energy consumption requirements for wall-climbing robots in bridge inspection. This paper proposes an improved sparrow search algorithm b…
View article: Stringent Tests of Lorentz Invariance Violation from LHAASO Observations of GRB 221009A
Stringent Tests of Lorentz Invariance Violation from LHAASO Observations of GRB 221009A Open
On 9 October 2022, the Large High Altitude Air Shower Observatory (LHAASO) reported the observation of the very early TeV afterglow of the brightest-of-all-time gamma-ray burst 221009A, recording the highest photon statistics in the TeV ba…
View article: Constraints on Ultra Heavy Dark Matter Properties from Dwarf Spheroidal Galaxies with LHAASO Observations
Constraints on Ultra Heavy Dark Matter Properties from Dwarf Spheroidal Galaxies with LHAASO Observations Open
In this work we try to search for signals generated by ultra-heavy dark matter at the Large High Altitude Air Shower Observatory (LHAASO) data. We look for possible gamma-ray by dark matter annihilation or decay from 16 dwarf spheroidal ga…
View article: Discovery of Very-high-energy Gamma-ray Emissions from the Low Luminosity AGN NGC 4278 by LHAASO
Discovery of Very-high-energy Gamma-ray Emissions from the Low Luminosity AGN NGC 4278 by LHAASO Open
The first source catalog of Large High Altitude Air Shower Observatory reported the detection of a very-high-energy gamma ray source, 1LHAASO J1219+2915. In this paper a further detailed study of the spectral and temporal behavior of this …
View article: Very high energy gamma-ray emission beyond 10 TeV from GRB 221009A
Very high energy gamma-ray emission beyond 10 TeV from GRB 221009A Open
The highest energy gamma-rays from gamma-ray bursts (GRBs) have important implications for their radiation mechanism. Here we report for the first time the detection of gamma-rays up to 13 TeV from the brightest GRB 221009A by the Large Hi…
View article: Grain-interior planar defects induced by heteroatom monolayer
Grain-interior planar defects induced by heteroatom monolayer Open
A new type of grain-interior planar defect in a ceramic phase in TiC doped cemented tungsten carbides was discovered. It is unique in that the monolayers of metal atoms exist stably in ceramic grains. The planar defects were induced by the…
View article: CCDC 2222462: Experimental Crystal Structure Determination
CCDC 2222462: Experimental Crystal Structure Determination Open
An entry from the Cambridge Structural Database, the world’s repository for small molecule crystal structures. The entry contains experimental data from a crystal diffraction study. The deposited dataset for this entry is freely available …
View article: CCDC 2222464: Experimental Crystal Structure Determination
CCDC 2222464: Experimental Crystal Structure Determination Open
An entry from the Cambridge Structural Database, the world’s repository for small molecule crystal structures. The entry contains experimental data from a crystal diffraction study. The deposited dataset for this entry is freely available …
View article: CCDC 2222503: Experimental Crystal Structure Determination
CCDC 2222503: Experimental Crystal Structure Determination Open
An entry from the Cambridge Structural Database, the world’s repository for small molecule crystal structures. The entry contains experimental data from a crystal diffraction study. The deposited dataset for this entry is freely available …
View article: Effect of Grain Refinement on the Comprehensive Mechanical Performance of W–Cu Composites
Effect of Grain Refinement on the Comprehensive Mechanical Performance of W–Cu Composites Open
W–Cu composites are commonly subjected to coupled multiple fields in service, which imposes high requirements on their overall performance. In this study, the ultrafine-grained W–Cu composite was fabricated using the combination of electro…
View article: CCDC 2133313: Experimental Crystal Structure Determination
CCDC 2133313: Experimental Crystal Structure Determination Open
An entry from the Cambridge Structural Database, the world’s repository for small molecule crystal structures. The entry contains experimental data from a crystal diffraction study. The deposited dataset for this entry is freely available …
View article: Self-Sterilizing Polymeric Membrane Sensors Based on 6-Chloroindole Release for Prevention of Marine Biofouling
Self-Sterilizing Polymeric Membrane Sensors Based on 6-Chloroindole Release for Prevention of Marine Biofouling Open
A self-sterilizing strategy based on antimicrobial organic agent release is proposed for polymeric membrane sensors to prevent marine biofouling. A solid-contact polymeric membrane calcium ion-selective electrode (Ca2+-ISE) is selected as …
View article: Study on Vibration Characteristics of Cantilever Plate with Annular Mass Frame
Study on Vibration Characteristics of Cantilever Plate with Annular Mass Frame Open
The principle of piezoelectric energy harvester is to convert vibration energy into electric energy, which can supply power for other electronic devices. The actual environment vibration is broadband, random and multi-directional, and the …
View article: Modeling and Analysis of Micro-cantilever Plate Piezoelectric Energy Harvester with a Tip Mass
Modeling and Analysis of Micro-cantilever Plate Piezoelectric Energy Harvester with a Tip Mass Open
With the development of MEMS (Micro-electro-mechanical Systems) techniques, research interest has deepened in micro piezoelectric harvesting device, which can supply electrical power for wireless sensors from ambient vibration. This paper …
View article: W–Cu composites with submicron- and nanostructures: progress and challenges
W–Cu composites with submicron- and nanostructures: progress and challenges Open
W–Cu composite materials are widely used in civilian industries and aerospace fields owing to their integrated properties of high hardness, wear and arc resistance, electrical and thermal conductivities, and low coefficient of thermal expa…