Au nanowires have been promoted in flexible electronics, micro-nano bioelectrodes, and micro-electrochemical detection benefit from their inherent size effect, unique chemical stability, biocompatibility. Nanoskiving methodology has confirmed as a feasible approach to preparing multidimensional nanostructures simply efficiently utilizing ultramicrotome. However, the morphology, dimension, microstructure of will be altered by tool geometry under extrusion shearing during nanoskiving process....

A three-dimensional numerical model was established based on ANSYS-AQWA (R19.0) software for the purpose of analyzing hydrodynamic characteristics a floating breakwater. This study examines three distinct breakwaters with different cross-sectional designs in order to evaluate their respective wave dissipation capabilities. It is suggested that horizontal multi-cylinder breakwater exhibits superior ability dissipate waves when compared both single-cylinder and square pontoon configurations...

This paper presents a quantitative investigation into the hydrodynamic characteristics of floating breakwater system encompassing an artificial island. The breakwater’s cross-section is configured as collection multiple buoys, with large main horizontal cylinder and two small cylinders. A navigation channel opening incorporated breakwater, fortified by gate positioned externally. wave patterns surrounding are simulated analyzed using ANSYS-AQWA (R19.0) software. research investigates mean...

In current research realm, polydimethylsiloxane (PDMS)-based nanofluidic devices are widely used in medical, chemical, and biological applications. the present paper, a novel nanomilling technique (consisting of an AFM system piezoelectric actuator) was proposed to fabricate nanochannels (with controllable sizes) on PDMS chips, nanochannel size controlled by driving voltage frequency inputted actuator. Moreover, microchannel molds were respectively fabricated UV lithography tip-based...

The mechanical properties of nanowires fabricated by nanoskiving have been studied an AFM three-point bending test for the first time.

Strip ultramicroelectrodes (SUE) have been widely used in micro-nano manufacturing, trace element detection, and energy storage. Preparation of SUE is thus the basis for these applications. A method preparation its array (SUEA) proposed based on a nanoskiving technique. The effects embedding materials storage methods electrode stability were investigated. continuous stable working time 120 min 92 h achieved. Furthermore, effect nanowire feature dimensions electrochemical properties was...

Summary The micro machine tool that can produce nanostructures by force modulation approach plays a significant role in nanotechnology. In this paper, to guarantee fast and high‐precision cutting subject external disturbances input saturation, robust model predictive control (MPC) using tube‐based method is exploited develop controller for the machining system consisting of piezoelectric tube (PZT) actuator, sensor tool, which updates state art. particular, dynamic system, with voltage fed...

In this study, the atomic force microscopy tip-based dynamic plowing lithography approach is employed to scratch on poly(methyl methacrylate) thin-film surface. A theoretical model established based relationship between tip energy dissipation and material removal volume, corresponding experiments are also conducted. Both experimental results show that drive amplitude proportional square of machined depth nanoscale grooves. The mean deviations predicted depths less than 10%. It indicated...

A data-driven, agent-based model to simulate a port transport system affected by LNG terminal is developed. real case of Ningbo-Zhoushan Central Port Area investigated this model. The simulation results reveal that, if embeds in the central area, vessel in/out harbor will bring out negative effect on shipment timeliness. development and would be significant. Furthermore, improvement countermeasures are provided based analysis. show that suggested measures could effectively reduce improve...

A comb-type floating breakwater is a new wave dissipation structure with particular force and performance advantages due to the two wave-reflecting surfaces. In this article, physical model experiments are used study hydrodynamic characteristics of fixed comb structural optimization-based measures under combined action regular waves, irregular currents. The effects factors such as relative width, height, water flow velocity, waves on transmission coefficient analyzed. addition, waveform...

As ports evolve to a certain stage, various measures aimed at improving transportation efficiency have been widely considered, such as optimizing navigation regulations and upgrading terminal facilities. This study overcomes the limitations of traditional wharf upgrade methods, which lack quantitative analysis capabilities. By leveraging multi-agent simulation technology, entire ship entry exit process is simulated, providing feasible quantifiable methods application cases for upgrades. A...

Abstract As the issue of climate change is always attracting widespread attention and China had fulfilled its commitment on emission reduction, proportion traditional energy consumption such as coal in China’s structure will gradually decrease future, use clean LNG become latest trend to replace resources, future increment would be mainly borne by sea transportation. Dalian City has a single source natural gas sea, which highly dependent offshore imports. In addition, it predicted that...

Abstract To achieve a better blasting effect of ultra-long and deep buried spiral tunnel with small radius, it is necessary to study the dynamic response disturbance construction. As engineering background poor geological condition, this paper uses Midi spiral-tunnel in Yunnan province that has radius curvature, large burial depth, excavation distance. The load determined first by calculation. Under different construction parameters, deformation vibration responses surrounding rocks are...

The comb-type breakwater (CTB) has been proposed and investigated in recent years due to its advantages terms of deep-water adaptability, material saving water exchanges. All existing empirical formulae for CTBs have so far restricted the level above bottom superstructure, which mainly occurs under high tides or storm tides. However, based on engineering applications experimental observations, most severe conditions are more likely occur a medium level, because impulsive wave pressure may...