-
Article
Airflow Analytical Toolkit (AAT): A MATLAB-based analyzer for holistic studies on the dynamic characteristics of airflows
The dynamic characteristics of different airflows on micro-scales have been explored from many perspectives since the late 1970s. On the one hand, most analytical tools and research subjects in previous contri...
-
Article
High-Temperature Creep Analysis of Carbon Steel A516-Gr70 Used in Thin-Walled Pressure Vessels Under Different Loads at Constant Temperature
High-temperature processes induce creep and corrosion, primarily resulting in failure of thin-walled pressure vessels. Investigating alloy creep behavior in these vessels is crucial due to its often undetected...
-
Article
Dynamic analysis of gear system with multiple lubrication states in torque–speed parameter space
The existence of backlash causes de-meshing and reverse impact in the gear system, and the influence of the working lubrication conditions of the gear on the dynamics is ignored. This study focused on the impa...
-
Article
Open AccessEnhancing detection accuracy via controlled release of 3D-printed microlattice nasopharyngeal swabs
Nasopharyngeal (NP) swab is one of the most effective sampling devices for clinical specimens. However, commercial NP swabs often release samples through diluents, lowering analyte concentration and causing in...
-
Article
Open AccessTissue engineering RPE sheet derived from hiPSC-RPE cell spheroids supplemented with Y-27632 and RepSox
Retinal pigment epithelium (RPE) cell therapy is a promising way to treat many retinal diseases. However, obtaining transplantable RPE cells is time-consuming and less effective. This study aimed to develop no...
-
Article
An adaptive matrix material extrusion optimization model for in situ impregnated continuous fiber-reinforced 3D printing
Microscopic porosity is an important cause of structural failure in 3D printing of continuous fiber reinforced polymer. To reduce the overfilling and underfilling caused during the fabrication of the molten fi...
-
Article
Open AccessDevelopment and application of hobbing-cone hybrid PDC bit
In order to solve the problems of low ROP and short service life of the bit drilling in deep and hard formation, a new technology of hobbing-cone hybrid PDC bit which has combined the advantages of conventiona...
-
Article
Multi-robot Navigation with Graph Attention Neural Network and Hierarchical Motion Planning
In multi-robot navigation tasks, the interaction between a large number of robots in dynamic environments greatly affects the results of navigation. The interaction between the robots changes with environmenta...
-
Article
Joint Empirical Mode Decomposition and Optimal Frequency Band Estimation for Adaptive Low-Frequency Noise Suppression
A joint empirical mode decomposition and optimal frequency band estimation approach is proposed to reduce the low-frequency noise adaptively. In each level of the decomposition, this paper considers the residu...
-
Article
Development of personalized mobile information service platform of university library based on multi-core processor and cloud computing platform
In recent years, depending on information technology, knowledge and skills, university libraries have established a new "user-centered" data service system, which is called personalized information service. Al...
-
Article
Textual emotion recognition method based on ALBERT-BiLSTM model and SVM-NB classification
Textual emotion recognition is an increasingly popular research area, which recognizes human emotions by capturing textual information posted by people, and the recognition results depend on the composition of...
-
Article
An effective method to determine bedding system insulation based on measured data
The thermal environment is an essential factor that affects sleep quality. In many circumstances, the bed microenvironment is more important than the ambient environment because of the large covered area of th...
-
Article
The Potential of Geopolymer in Development of Green Coating Materials: A Review
Cementitious coating is essential as passive protection for building and infrastructure including steel and coastal structures from aggressive environment, such as fire and chloride and enhance the durability ...
-
Article
A 3D printing tool-path generation strategy based on the partition of principal stress field for fused filament fabrication
In order to enhance the strength of 3D-printed parts made of polymer materials and reduce the anisotropy caused by the fused filament fabrication process, this paper proposes an inter-layer interleaved composi...
-
Article
Nonlinear vibration and primary resonance analysis of non-orthogonal face gear-rotor-bearing system
The nonlinear dynamic model of the non-orthogonal face gear-rotor-bearing system was established considering the nonlinear features associated with time-varying meshing stiffness, transmission error, tooth bac...
-
Article
Cementitious Fillers in Cement Asphalt Emulsion Mixtures: Long-Term Performance and Microstructure
Cement has been well documented to positively affect the early-age strength of the cement asphalt emulsion mixtures (termed as CAEM) without compromising workability. However, the long-term performance of the ...
-
Article
Singular PT-symmetry broken point with infinite transmittance and reflectance—a classical analytical demonstration
To demonstrate the existence of singular parity-time symmetry (PT-symmetry) broken point in optics system, we designed a one-dimensional PT symmetric structure including N unit-cell with loss and gain materials i...
-
Article
Effects of heat accumulation on the characteristics of hole wall temperature and damages in drilling of UD CFRP
Application of carbon fiber reinforced plastic (CFRP) in aircraft load-carrying structure makes the component become thicker and damage tolerance get stricter. The heat accumulation highly increases the hole w...
-
Article
Recognition Optimization of License Plate Targets Based on Improved Neural Network Model
With the continuous development of social economy, private cars have become more and more, and the traffic pressure is also increasing. To more accurately recognize vehicles violating traffic rules, the proble...
-
Article
Spatial distribution and content determination of Ganoderic acid F in tablets using confocal Raman microspectroscopy
This study determines the spatial distribution and content of Ganoderic acid F in tablets without destroying the tablet. Confocal Raman microspectroscopy was conducted on the raw materials for Ganoderic acid F...