51,154 Result(s)
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**De Cao
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Article
DAS coupling noise suppression based on MCA–FK
In recent years, distributed fiber acoustic sensor (DAS) technology has been applied for high-precision acquisition of vertical seismic profile (VSP) data, which has the advantages of high-density acquisition,...
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Zeros of Complete Symmetric Polynomials over Finite Fields
Wan and Zhang (2021) obtained a nontrivial lower bound for the number of zeros of complete symmetric polynomials over finite fields, and proposed a problem whether their bound can be improved. In this paper, t...
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Preparation of (S)-epichlorohydrin using a novel halohydrin dehalogenase by selective conformation adjustment
Chiral epichlorohydrin (ECH) is an attractive intermediate for chiral pharmaceuticals and chemicals preparation. The asymmetric synthesis of chiral ECH using 1,3-dicholoro-2-propanol (1,3-DCP) catalyzed by a h...
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A scale-invariant test for linear hypothesis of means in high dimensions
In this paper, we propose a new scale-invariant test for linear hypothesis of mean vectors with heteroscedasticity in high-dimensional settings. Most existing tests impose strong conditions on covariance matri...
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Distributed Heterogeneous Multi-Agent Optimization with Stochastic Sub-Gradient
This paper studies the optimization problem of heterogeneous networks under a time-varying topology. Each agent only accesses to one local objective function, which is nonsmooth. An improved algorithm with noi...
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Dowsing: a task-driven approach for multiple-view visualizations dynamic recommendation
Most users are able to obtain exploratory ideas from a data table but cannot clearly declare their analysis tasks as visual queries. Visualization recommendation methods can reduce the demand for data and desi...
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Survey and open problems in privacy-preserving knowledge graph: merging, query, representation, completion, and applications
Knowledge Graph (KG) has attracted more and more companies’ attention for its ability to connect different types of data in meaningful ways and support rich data services. However, due to privacy concerns, dif...
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Prediction and analysis of paroxysmal impulse vibration in aero-engine inter-shaft bearings induced by localized faults in the outer ring
Inter-shaft bearings, critical components within aero-engine dual-rotor systems, are susceptible to localized faults due to their unique installation locations. This research delves into a distinctive dynamic ...
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A chaotic image encryption algorithm based on sliding window and pseudo-random stack shuffling
This paper introduces a new one-dimensional chaotic system, which can be considered as an improvement upon the Bernoulli map. The Quadratic Bernoulli Chaotic System (QBCS) is introduced by replacing the linear...
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Investigation into surface-coated continuous flax fiber-reinforced natural sandwich composites via vacuum-assisted material extrusion
In this study, vacuum-assisted material extrusion (~ 1 Pa) is performed to eliminate matrix voids and improve the bonding quality of deposited layers by reducing heat loss and entrapped air during manufacturin...
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Open AccessRetraction Note: Optimization of oncolytic effect of Newcastle disease virus Clone30 by selecting sensitive tumor host and constructing more oncolytic viruses
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Open AccessCorrection: Multiply restimulated human cord blood-derived Tregs maintain stabilized phenotype and suppressive function and predict their therapeutic effects on autoimmune diabetes
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A Case of Asymptomatic Duodenal Foreign Body Perforation
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Experimental study of rock cutting characteristics of PDC cutter considering cutting effects of adjacent cutters
The in-depth and comprehensive understanding of cutting characteristics of cutter is the key basis for optimizing polycrystalline diamond compact (PDC) bit. Under down-hole condition, the rock cutting process ...
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Open AccessAssociation between non-high-density lipoprotein cholesterol to high-density lipoprotein cholesterol ratio and obstructive sleep apnea: a cross-sectional study from NHANES
Obstructive Sleep Apnea (OSA) is a widespread sleep disturbance linked to metabolic and cardiovascular conditions. The Non-High-Density Lipoprotein Cholesterol to High-Density Lipoprotein Cholesterol Ratios (N...
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Realizing high thermoelectric performance flexible free-standing PEDOT:PSS/Bi0.5Sb1.5Te3 composite films for power generation
Flexible thermoelectrics provide a distinct solution for develo** sustainable and portable power supplies. Inorganic/organic material compositing is an effective strategy to induce a significant enhancement ...
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Cross-Coupling First-Order Gradient Superconducting Quantum Interference Device for Current Sensing
High sensitivity and low noise of superconducting quantum interference devices make them ideal for reading the minute changes in resistance of a transition-edge sensor, which occurs when it absorbs energy or p...
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Open AccessErrorless robust JPEG steganography using steganographic polar codes
Recently, a robust steganographic algorithm that achieves errorless robustness against JPEG recompression has been proposed. The method employs a lattice embedding scheme and utilizes the syndrome-trellis code...
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On two conjectures related to cubic residues
In a recent paper by Yuan and Zhang (Indian J. Pure Appl. Math. 54(3):806–815, 2023), the authors put forward two conjectures regarding \(S_3(p)\) ...
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Open AccessRelationship between Sjogren's syndrome and gastroesophageal reflux: A bidirectional Mendelian randomization study
The clinical incidence of sjogren's syndrome combined with gastroesophageal reflux disease is high. Existing observational studies have shown inconsistent results in the association between gastroesophageal re...
