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Articles by Junwei Song
Fractional quantum Hall states and oscillatory Landau charge squeezing in Bernal tetralayer graphene
Abstract The precise layer-number control in graphene provides valuable opportunities to explore the physics from the two-dimensional limit to the bulk crystalline regime. As the thickness increases, a fundamental question is how this increased dimensionality influences the integer and fractional quantum Hall states.
Effect of calcined lithium slag, copper tailings and tungsten tailings on the properties and microstructure of hybrid cements
Abstract The effects of desulfurized gypsum (DG) activation on the performance and hydration microstructure of composite materials were investigated, with calcined lithium slag (LS), copper tailings (CT), and tungsten tailings (TT) powders employed as supplementary cementitious materials (SCMs) to substitute 30 wt% of ordinary Portland cement (OPC), either individually or in binary blends.
Transdimensional anomalous Hall effect in rhombohedral thin graphite
Abstract Anomalous Hall effect (AHE), occurring in materials with broken time-reversal symmetry, epitomizes the interplay between magnetic order and electron orbital motions1,2,3,4. In two-dimensional (2D) systems, AHE is coupled with out-of-plane orbital magnetization associated with in-plane chiral orbital motions.
Accurate profiling of single-cell alternative transcript start sites by correcting RNA degradation
Abstract The generation of transcript variants via alternative utilisation of transcription start sites (TSSs) is a pivotal regulatory mechanism in physiological and pathological states. Recent advancements in 5’ single-cell RNA sequencing (scRNA-seq) have enabled TSS analysis at the single-cell level. However, RNA degradation leads to non-uniform read coverage, posing a critical challenge that significantly compromises accurate TSS quantification of scRNA-seq data.
Electrical Step‐Edge Contact to a Topological Superconductor Candidate 2M‐WS2
1 Introduction Superconductivity and topology are two essential focuses in condensed matter physics.[1-6] Combining them gives rise to a novel quantum phase – topological superconductivity – which features topologically protected gapless surface states in addition to the properties of conventional superconductors.
Spontaneous Production of H2O2 at the Liquid–Ice Interface: A Potential Source of Atmospheric Oxidants
Article Dans Une Revue Environmental Science and Technology Année : 2024 Spontaneous Production of H2O2 at the Liquid–Ice Interface: A Potential Source of Atmospheric Oxidants Fichier principal song-et-al-2024-spontaneous-production-of-h2o2-at-the-liquid-ice-interface-a-potential-source-of-atmospheric-oxidants.pdf (3.12 Mo) Télécharger le fichier Origine Publication financée par une institution hal-05130049 , version 1 (25-06-2025) Junwei Song, Laura Werner, Yoan Carreira Mendes da Silva,...
A Study of the Impacts of Different Opening Arrangements of Double-Skin Façades on the Indoor Temperatures of a Selected Building
1. Introduction Building energy consumption represents a significant share of total energy use: 36.3% in China [1], 40% in the United States [2], and 40–50% of global carbon emissions [3]. Although the application of double-skin façades (DSFs) is increasing, their daily operation is still limited to basic opening and closing. The integration of DSFs with other systems, particularly window-opening arrangements, remains suboptimal.
DEMINERS enables clinical metagenomics and comparative transcriptomic analysis by increasing throughput and accuracy of nanopore direct RNA sequencing
Abstract Nanopore direct RNA sequencing (DRS) advances RNA biology but is limited by relatively low basecalling accuracy, low throughput, yet high RNA input and costs. Here we introduce a novel DRS toolkit, DEMINERS, which integrates an RNA multiplexing experimental workflow, a machine-learning barcode classifier based on Random Forest and a novel basecaller built on an optimized convolutional neural network providing an additional species-specific training module.
Spontaneous Production of H2O2 at the Liquid–Ice Interface: A Potential Source of Atmospheric Oxidants
1. Introduction Click to copy section linkSection link copied! In the atmosphere, hydrogen peroxide (H2O2) acts as a reservoir species of tropospheric hydroxyl radicals (OH·) and hydroperoxyl radicals (HO2·). (1) The levels of H2O2 are closely linked with the atmospheric oxidizing capacity, which determines the lifetimes of many trace gas species.
A Control Optimization Model for a Double-Skin Facade Based on the Random Forest Algorithm
1. Introduction China set strategic goals of limiting carbon dioxide emissions and achieving carbon neutrality by 2020, so as to promote a low-carbon, environmentally friendly lifestyle [1,2]. The construction industry has actively developed new technologies for energy saving and emission reduction in order to accomplish these goals. Among these, facade renovation has emerged as a direct and efficient method.
Hatching - Automated malware analysis solutions
It’s Triage Thursday, which means it’s time for our weekly blog update on the latest Triage news. As always, we are keeping a close eye on the latest and most trending malware families in the cybersecurity world. Along with our regular weekly changelog for malware updates and behavioral signatures, we’ve added support for a much-requested feature.
Hatching - Automated malware analysis solutions
Welcome to our brand new blog series, Triage Insights! In this series, we would like to pick some latest/trending/interesting malware based on our currently supported platforms and conduct some hands-on malware analysis through our lovely Triage Sandbox. By studying malware, we can gain insight into their behaviors, tactics, potential targets, and other factors.
Spatial transcriptomics reveals niche-specific enrichment and vulnerabilities of radial glial stem-like cells in malignant gliomas - Nature Communications
Patient samples and ethics Our research complies with all relevant ethical regulations. Fresh tumor tissues were collected from patients with brain tumors undergoing surgical resection at West China Hospital (2020/09-2021/03). Patient sample collection and the study design was approved by the Ethics Committee on Biomedical Research of West China Hospital, Sichuan University, Chengdu, China (Approval number: 2020.837).
Occurrence of Aerosol Proteinaceous Matter in Urban Beijing: An Investigation on Composition, Sources, and Atmospheric Processes During the “APEC Blue” Period
Aerosol proteinaceous matter is comprised of a substantial fraction of bioaerosols. Its origins and interactions in the atmosphere remain poorly understood. We present observations of total proteins, combined, and free amino acids (CAAs and FAAs) in fine particulate matter (PM2.5) samples in urban Beijing before and during the 2014 Asia-Pacific Economic Cooperation (APEC) summit. The decreases in proteins, CAAs and FAAs levels were observed after the implementation of restrictive emission controls.
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