84 Result(s)
within
**ang-Hui Dong
Engineering
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Article
Effects of traditional heat treatment and a novel deep cryogenic treatment on microstructure and mechanical properties of low-carbon high-alloy martensitic bearing steel
The effects of traditional heat treatment (quenching and then tempering) and deep cryogenic treatment on the microstructure and mechanical properties of a low-carbon high-alloy martensitic bearing steel were s...
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Article
Thermodynamic analysis on tin precipitation behavior in Ti-bearing peritectic steel after magnesium treatment
TiN, which is ubiquitous in Ti-bearing steel, has a critical influence on both the mechanical properties and the welding process of steel, and therefore researche on the precipitation behavior of TiN in molten...
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Article
Effects of temperature and age on physico-mechanical properties of cemented gravel sand backfills
Cemented backfill used in deep mines would inevitably be exposed to the ambient temperature of 20–60 °C in the next few decades. In this paper, two types of cemented gravel sand backfills, cemented rod-mill sa...
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Article
Bipolar fuzzy Petri nets for knowledge representation and acquisition considering non-cooperative behaviors
Fuzzy Petri nets (FPNs) are a promising modeling tool for knowledge representation and reasoning. As a new type of FPNs, bipolar fuzzy Petri nets (BFPNs) are developed in this article to overcome the shortcomi...
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Article
Preparation and characterization of different surface modified SiCp reinforced Al-matrix composites
The effects of SiCp surface modifications (Cu coating, Ni coating and Ni/Cu coating) on the microstructures and mechanical properties of Al matrix composites were investigated. Surface modification of SiC part...
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Article
Aerodynamic noise characteristics of high-speed train foremost bogie section
This paper investigates the main scale analysis of the aerodynamic noise in the foremost bogie area by the large-eddy simulation (LES) and the Ffowcs Williams-Hawkings (FW-H) analogy. The mechanism of the aero...
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Article
Kinetics of leaching lithium from lepidolite using mixture of hydrofluoric and sulfuric acid
The fluorine-based chemical method shows great potential in leaching lithium (Li) from lepidolite. Leaching kinetics of Li in a mixture of sulfuric acid and hydrofluoric acid, which is a typical lixivant for t...
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Chapter and Conference Paper
Identification and Extraction of Nutrient Content in Hyperspectral Black Soil in Frequency Domain
Hyperspectral remote sensing technology, with its high spectral resolution and high spatial resolution, plays a more and more important role in the quantitative remote sensing monitoring of black soil. In orde...
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Chapter and Conference Paper
An Analysis on Inverted Mirrored Moiré and Ribbon of Band Moiré
Band moiré pattern is produced by the superposition of the base layer with the revealing layer that has a different periodic frequency. Band moiré can effectively describe the geometric transformation of moiré...
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Chapter and Conference Paper
A Secret Sharing Scheme of Dynamic Threshold with Cheaters Detection and Identification
There are many schemes to detect and identify cheaters when the number of participants is exactly equal to \( t \) ...
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Article
Adsorption kinetics and thermodynamics of sodium butyl xanthate onto bornite in flotation
In this paper, the effect of sodium butyl xanthate (NaBX) adsorption on the surface of bornite at different pH on flotation was studied by adsorption kinetic and thermodynamic. The flotation results demonstrat...
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Article
Carbides precipitation and their evolution of Cr15Co10Mo5-alloyed heat-resistant bearing steel after tempering at different temperatures
The carbides precipitation and their evolution at elevated tempering temperature in Cr15Co10Mo5-alloyed heat-resistant bearing steel were investigated by means of the transmission electron microscope. The resu...
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Article
Improved Backstep** Control with Nonlinear Disturbance Observer for the Speed Control of Permanent Magnet Synchronous Motor
This paper investigates the speed regulation problem of permanent magnet synchronous motor (PMSM) drive based on backstep** control and nonlinear disturbance observer. By introducing the backstep** control...
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Article
A selection methodology of key parts based on the characteristic of carbon emissions for low-carbon design
Key parts refer to the problematic parts which have higher carbon emissions and need to be further optimized in low-carbon design. However, it is difficult to pick them out for designers because the quantitati...
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Article
Theoretical and experimental investigation on vertical tank technology for sinter waste heat recovery
In the present work, the gas flow pressure drop and gas–solid heat transfer characteristics in sinter bed layer of vertical tank were studied experimentally on the basis of the homemade experimental setup. The...
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Article
Open AccessSynergistic Effects in CNTs-PdAu/Pt Trimetallic Nanoparticles with High Electrocatalytic Activity and Stability
We present a straightforward physical approach for synthesizing multiwalled carbon nanotubes (CNTs)-PdAu/Pt trimetallic nanoparticles (NPs), which allows predesign and control of the metal compositional ratio ...
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Article
A carbon emissions allocation method based on temperature field for products in the usage stage
With the rapid development of manufacturing industry, carbon emissions have risen year by year within the global environment. As we know, the equipment manufacturing product, i.e., machine tool, which is broad...
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Article
Experimental and theoretical study on a building structure controlled by multi-dimensional earthquake isolation and mitigation devices
Multi-dimensional earthquake isolation and mitigation device (MEIMD) is a newly developed structural vibration control device. First, the horizontal and vertical property tests are performed to study the influ...
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Article
Assessment of bearing performance degradation via extension and EEMD combined approach
As a key component in rotating machinery, the operating reliability of bearing influences the performance and service life of the equipment directly. In order to describe bearing performance degradation (BPD) ...
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Article
Comprehensive recovery of Fe, Zn, Ag and In from high iron-bearing zinc calcine
A beneficiation-metallurgy combination process is developed to recover Zn, Fe and to enrich In, Ag from high iron-bearing zinc calcine based on our former researches. In gaseous reductive roasting process, the...
