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Article
Vibration and dam** analyses of sandwich cylindrical and conical shells using meshfree method
The vibration and dam** characteristics of sandwich shells including cylindrical and conical shells with viscoelastic core layer are investigated by using a meshfree method. The energy principle and Donnel s...
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Article
Nanostructure evolution and surface modification mechanism of Cr ion-implanted single-crystal iron: insights from molecular dynamics simulations
An advanced molecular dynamics (MD) model for Cr ion implantation of single-crystal iron was proposed, and its effectiveness was verified through SRIM calculations. The model systematically investigated the ef...
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Article
Feasibility study of high feed axial ultrasonic vibration turning of Ti6Al4V
High-feed axial ultrasonic vibration turning (HFUVT) is studied to explore its effects on the machining characteristics of Ti6Al4V alloy. A feed rate that is greater than the ultrasonic vibration amplitude was...
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Article
Quantitative electroencephalography (qEEG), apolipoprotein A-I (APOA-I), and apolipoprotein epsilon 4 (APOE ɛ4) alleles for the diagnosis of mild cognitive impairment and Alzheimer’s disease
Alzheimer’s disease (AD) is the most common type of dementia. Amnestic mild cognitive impairment (aMCI), a pre-dementia stage is an important stage for early diagnosis and intervention. This study aimed to inv...
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Article
An investigation on cutting mechanism and thermomechanical behaviors at tool-chip interface in ultrasonic vibration–assisted cutting of Ti6Al4V alloy
The thermomechanical behavior in tool-chip interface (TCI) is a key factor affecting the cutting performance. However, few investigations have been reported on the thermomechanical behaviors in tool-chip inter...
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Article
Open AccessImpact of climate change-induced warming on groundwater temperatures and quality
The impacts of climate change-induced warming on our ecosystems can no longer be neglected, but our understanding of consequences for groundwater ecosystems in general and groundwater quality in particular is ...
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Article
Open AccessIdentification of novel diagnostic panel for mild cognitive impairment and Alzheimer’s disease: findings based on urine proteomics and machine learning
Alzheimer’s disease is a prevalent disease with a heavy global burden. Proteomics is the systematic study of proteins and peptides to provide comprehensive descriptions. Aiming to obtain a more accurate and co...
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Article
Thermodynamic response analysis of functionally graded doubly-curved panels with varying circumferential size using meshfree method
This paper presents thermodynamic characteristics of functionally graded (FG) doubly-curved panels with varying circumferential size. The circumferential size considered in this paper means the circumferential...
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Article
Comparison of Johnson–Cook and TANH Plastic Models for 3D Numerical Modeling of Turning Titanium Alloy Ti5553
The near-beta titanium alloy Ti5333 with high strength is difficult to cut, and accurate FE simulation models are needed to assess its machinability. This work compares for the practical turning process of the...
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Article
On the predictive modeling of surface micro-topography in vibratory polishing of aeronautic gear considering initial workpiece topography
The functional behaviors and service performances of aeronautic gears are significantly determined by its surface integrity. Vibratory polishing, as one of the most promising ultra-high-precision finishing app...
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Article
Open AccessPrediction and Minimization of the Heat Treatment Induced Distortion in 8620H Steel Gear: Simulation and Experimental Verification
The considerable heat treatment induced runout value in the end face of the automobile main reducer gear is always dimensionally out of tolerance. It directly affects the dimensional accuracy, the grade of car...
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Article
Study on the grinding characteristics of fused glass through the dry chemical modification of atmospheric pressure plasma
A grinding method of fused glass is proposed through the dry chemical modification of atmospheric pressure plasma. Before grinding, the surface of fused glass is chemically modified by atmospheric pressure pla...
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Article
Scanning dual-microcomb spectroscopy
Dual-comb spectroscopy (DCS) is a powerful tool in molecular spectroscopy benefiting from the advantages of high resolution and short measurement time. The recently developed soliton microcomb (SMC) can potent...
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Article
Open AccessThe functional connectivity of basal forebrain is associated with superior memory performance in older adults: a case-control study
Aging is related with memory deterioration. However, some older adults demonstrate superior performance compared to age- and education-matched adults, who are referred to as superagers. To explore the neural m...
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Article
Development of Quercus acutissima (Fagaceae) pollen tubes inside pistils during the sexual reproduction process
Extensive histology of pistillate flowers revealed two pollen tube arresting sites (the style-joining and micropyle) within the pistil of Quercus acutissima during the postpollination–prezygotic stage, which refl...
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Article
Vibration behavior analysis of novelty corrugated-core sandwich plate structure by using first-order shear deformation plate and shell theories
A unified dynamic model is established for investigating the vibration behaviors of novelty corrugated-core sandwich plate structure (NCSPS) under various boundary conditions based on the first-order shear def...
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Article
Phase separation of RNA-binding protein promotes polymerase binding and transcription
An RNA-involved phase-separation model has been proposed for transcription control. However, the molecular links that connect RNA to the transcription machinery remain missing. Here we find that RNA-binding pr...
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Article
Thermal buckling analysis of functionally graded annular plate with variable thickness
This paper reports on the thermal buckling characteristics of the functionally graded (FG) annular plate with variable thickness. The differential quadrature finite element method is used to derive the control...
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Article
Adjusting shell composition and content of Co-based bimetal core–shell microspheres toward the broadband microwave absorption
To improve the high-frequency absorption and achieve the broadband absorption, the surface modification of Co microspheres by metal (Cu, Ag and Fe) shells was achieved via simple and controllable galvanic repl...
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Article
Open AccessHomotypic clustering of L1 and B1/Alu repeats compartmentalizes the 3D genome
Organization of the genome into euchromatin and heterochromatin appears to be evolutionarily conserved and relatively stable during lineage differentiation. In an effort to unravel the basic principle underlyi...
