63,366 Result(s)
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Le**g Wang
Engineering
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Article
Open AccessTowards direct superlubricity and superlow wear via amino modification of polyhydroxy alcohol solutions
Friction remains as the primary mode of energy dissipation and components wear, and achieving superlubricity shows high promise in energy conservation and lifetime wear protection. The results in this work dem...
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Article
Initial orbit determination of some cislunar orbits based on short-arc optical observations
Ground- and space-based optical observation is an efficient way to catalog objects in the cislunar space. Initial orbit determination based on optical data is still an open problem for cislunar objects. The mo...
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Precise orbit determination for low Earth orbit satellites using GNSS: Observations, models, and methods
Spaceborne global navigation satellite system (GNSS) has significantly revolutionized the development of autonomous orbit determination techniques for low Earth orbit satellites for decades. Using a state-of-t...
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Open AccessRecent advances in ocular lubrication
The ocular lubrication, where the eyelid constantly slides on the curved corneal surface, is considered as one of primary lubrication systems in bio-tribology. Under reliable lubrication conditions, sensitive ...
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Open AccessExperimental investigation on the anisotropy of friction property for dry and water-saturated rock
Friction properties of rock are closely connected with the anisotropy. The anisotropy of rock friction can provide a valuable assessment for geotechnical and geological engineering. In this study, the rotary f...
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Article
Open AccessBlackening failure of poly-α-olefin impregnated porous polymide due to the splitting of lubrication oil catalyzed by iron
Lubrication failure accompanying with blackening phenomenon significantly reduces the long-running operational reliability of porous polymide (PPI) lubricated with poly-α-olefin (PAO) oil. Here, the effects of lu...
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Article
GeoVis: a data-driven geographic visualization recommendation system via latent space encoding
As one of the effective means of representing geographic information, geographic visualization can directly improve the cognitive efficiency of users who are perceiving geospatial data. The existing geographic...
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Study on the Performance of Mountain Tunnel Against Mainshock–Aftershock based on Resilience Evaluation Framework
The mainshock-aftershock has a profound influence on the seismic resilience of tunnel. However, it is very dangerous to consider only the influence of the mainshock in the current seismic research of tunnel. T...
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ConDA: state-based data augmentation for context-dependent text-to-SQL
The context-dependent text-to-SQL task has profound real-world implications, as it facilitates users in extracting knowledge from vast databases, which allows users to acquire the information interactively for...
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Article
Deep Learning Methods for Vibration-Based Structural Health Monitoring: A Review
The vibration signal is an effective diagnostic tool in structural health monitoring (SHM) fields that is closely related to abnormal states. Deep learning methods have got remarkable success in utilizing vibr...
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Article
Numerical and Experimental Research on Diffusion Characteristic of Polymer Slurry in Narrow Slot at Constant Pressure
To determine the diffusion behavior of a polymer slurry in a narrow slot under a constant pressure head, a relevant simulation model was established based on the theory of a time-varying viscosity, and a visua...
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Article
C5: toward better conversation comprehension and contextual continuity for ChatGPT
Large language models (LLMs), such as ChatGPT, have demonstrated outstanding performance in various fields, particularly in natural language understanding and generation tasks. In complex application scenarios...
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Open AccessAnisotropic tribology and electrification properties of sliding-mode triboelectric nanogenerator with groove textures
Sliding-mode triboelectric nanogenerator (S-TENG) is based on the coupling of triboelectrification and electrostatic induction, converting electrical energy from sliding motion. Introducing micro-textures into...
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Article
VIVIAN: virtual simulation and visual analysis of epidemic spread data
Visual analysis of epidemic spread data is crucial in understanding the process of epidemic transmission, tracing the source of infection, evaluating the development of epidemic, and formulating reasonable pol...
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Article
Experimental Study on CRTS III Ballastless Track Based on Quasi-distributed Fiber Bragg Grating Monitoring
In order to investigate the damage process caused by the seismic pseudo-static load, quasi-distributed fiber bragg grating (FBG) sensors were placed in CRTS III ballastless track specimens. Low-cyclic reversed...
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Article
Pore Water Pressure and Stress Changes During the Construction of Stiffened Deep Cement Mixing Piles
Investigations on the changes in pore water pressures and stress during the construction of stiffened deep cement mixing (SDCM) piles are scarce, resulting in an unsatisfactory understanding of the bearing cap...
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Experimental Study on the Diesel Injection Pressure of Homogeneous Charge Induced Ignition for Multi-cylinder Operation
Homogeneous charge-induced ignition (HCII), which uses trace diesel to induce the ignition of gasoline pre-mixture, is characterized by rapid lean combustion and is generally regarded as efficient, clean and c...
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Article
Open AccessCore-rim structured MXene@SiO2 composites as oil-based additives for enhanced tribological properties
Herein, we have prepared SiO2 particles uploaded MXene nanosheets via in-situ hydrolysis of tetraetholothosilicate. Due to the large number of groups at the edges of MXene, SiO2 grows at the edges first, forming ...
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Research of Hood on Maintaining Performance Balance Between Dent Resistance and Pedestrian Head Protection
In the developmental phase of passenger automobile hoods, it is crucial to take dent resistance and pedestrian head protection performances into account. And maintaining a performance balance between the two a...
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Article
A general framework for improving cuckoo search algorithms with resource allocation and re-initialization
Cuckoo search (CS) has currently become one of the most favorable meta-heuristic algorithms (MHAs). In this article, a simple yet effective framework is proposed for CS algorithms to reinforce their performanc...
