16 Result(s)
within
**ao-Long Yan
Engineering
English
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Article
Case study of microseismic tomography and multi-parameter characteristics under mining disturbances
Rockburst caused by mining disturbance may cause rock damage. Combining the microseismic (MS) multiparameter, high-magnitude MS event distribution, and MS tomography may be an effective method for hazard precu...
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Article
Preparation and atmospheric wet-reflow of indium microbump for low-temperature flip-chip applications
An urgent demand for lowering bonding temperature has been put forward by advanced flip-chip integration such as micro-LED packaging and heterogeneous integration of semiconductor devices. Indium microbump wit...
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Article
Separation and conversion of fluoride salts in aluminum electrolysis flue gas by one-step ammonia purification
The presence of multiple pollutants such as fluoride, SO2, and CO2 in aluminum electrolysis flue gas is harmful to the environment and human beings. The current research on aluminum electrolysis flue gas purifica...
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Article
Experimental study on demountable steel ultra-high performance concrete composite slabs under hogging moment
Demountable steel–concrete composite structures have attracted much attention from researchers because of its fast construction, demountability and environmental friendliness. Using ultra-high performance conc...
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Article
Identification modeling and prediction of ship maneuvering motion based on LSTM deep neural network
This paper proposes a novel system identification scheme to obtain a MIMO model of ship maneuvering motion, which can leverage the temporal correlation from the constructed training data to learn the underlyin...
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Article
Experimental and numerical study on the tensile behaviours of wet joints in steel-UHPC composite decks using a novel tensile test setup
A composite deck system composed of ultrahigh performance concrete (UHPC) and an orthotropic steel deck has been proposed to solve fatigue cracking and corrosion problems in traditional orthotropic steel deck ...
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Article
Application of wide-field electromagnetic method in shale gas survey in Eastern Kunlun, Qinghai province, China
In order to study the distribution of shale gas reservoir in the Babaoshan Basin of Eastern Kunlun, the wide-field electromagnetic (WFEM) survey was carried out to obtain the spatial distribution characteristi...
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Article
Optimization of Emission Waveform by Accelerated Particle Swarm Algorithm Based on Logarithmic Frequency Offset Mathematical Model
In this article, a novel technique is applied to achieve time-invariant spatial focusing performance for static and moving target by applying an irregular frequency modulation method to a frequency diverse arr...
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Article
Laser Joining of Ti3Al-Based Alloy to Ni-Based Superalloy using a Titanium Interlayer
Joining Ti3Al-based alloy to Ni-based superalloy is of great interest for applications in the aerospace fields. Direct welding of these two materials was very difficult and the joint usually fractured during lase...
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Article
Structure Optimization of Wheel Force Transducer Based on Natural Frequency and Comprehensive Sensitivity
The current research of wheel force transducer (WFT) mainly focuses on test signal processing and decoupling methods based on signal itself, while the WFT structure optimization research related to decreasing ...
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Article
Study on transport of powdered activated carbon using a rotating circular flume
This study employed a rotating flume to examine the Powdered Activated Carbon (PAC) transport with water flow. The initial PAC concentration was 10 mg/L-30 mg/L, and PAC concentration versus time under a speci...
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Article
Estimation of SO2 emission factors from copper smelting industry in Yunnan Province, China
Copper smelting is a significant source of SO2 emission. It is important to quantify SO2 emissions from combustion sources for regulatory and control purposes in relation to air quality. The characteristics of SO
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Article
Catalytic hydrolysis of carbonyl sulfide over modified coal-based activated carbons by loading metal
A novel type of metal oxide/activated carbon catalyst was prepared by sol-gel method for the hydrolysis of carbonyl sulfide (COS). The influences of the calcination temperature, additive content (2.5%–10.0% Fe2O3
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Article
Preparation and characterization of nanometer-sized barium titanate powder by complex-precursor method
A new complex-precursor method was proposed to prepare nanometer-sized BaTiO3 powder. Firstly, [Ti2O(O2)2(ta)2]4− complex ions were prepared by the reaction of H2O2, Ti4+ and ta3− (ta=[C6H6O6N]3−) with a desirabl...
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Article
Alternating response of spin current in a magnetic-oscillating quantum dot
We investigate alternating response of the spin current in a quantum dot system coupled to a normal metal electrode, to which an alternating driving voltage and a pum** rotating magnetic field are applied. T...
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Article
Failure analysis of wear of main clutch separating ring of heavy vehicles
The severe wear of separating ring is considered to be a main reason which leads to the improper declutch of the main clutch of heavy vehicles. The wear mechanism of the separating ring is not well understood....
