25 Result(s)
within
Jian Kang
Engineering
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Article
Steel–refractory reactions in lanthanum-, cerium-, and yttrium-added steels
A systematic experimental study was conducted on the similarities and differences in the reactions between commonly used rare earth elements (REEs) and frequently used refractories in the steelmaking industry....
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Chapter and Conference Paper
Study on the Performance of Ultra-Fine Cement Slurry Reinforced Coral Aggregates and Coral Concrete
Natural coral has irregular shape, dense internal holes and low cylinder compressive strength, which restrict the mechanical properties of coral concrete. The coral coarse aggregate was innovatively reinforced...
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Article
Creep characteristics and unified macro–meso creep model for saturated frozen soil under constant/variable temperature conditions
In permafrost regions, under the interference of climate warming and human activities, the deformation stability of geological engineering with frozen soil as the medium is directly affected, and the typical o...
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Article
Open AccessDevelopment of acoustic computer simulation for performance spaces: A systematic review and meta-analysis
This article aims to review the development of acoustic computer simulation for performance spaces. The databases of Web of Science and Scopus were searched for peer-reviewed journal articles published in Engl...
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Chapter and Conference Paper
Exploration and Practice of Integrated Re-fracturing Technology for Horizontal Wells in Ultra-low Permeability Reservoirs in Huaqing Oilfield
The Huaqing Chang 6 reservoir in the Ordos Basin is a typical ultra-low permeability reservoir, in the early stage, horizontal well staged fracturing and water injection was used to supplement energy developme...
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Article
Open AccessThermal comfort in winter incorporating solar radiation effects at high altitudes and performance of improved passive solar design—Case of Lhasa
The solar incidence on an indoor environment and its occupants has significant impacts on indoor thermal comfort. It can bring favorable passive solar heating and can result in undesired overheating (even in w...
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Article
Assessment and simulation of evacuation in large railway stations
Evacuation systems in buildings are frequently assessed to improve emergency response processes. This paper proposes a method to evaluate the performance of different evacuation modes, and determine a rational...
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Article
Effect of micro-oxygen pretreatment on gas production characteristics of anaerobic digestion of kitchen waste
Micro-oxygen pretreatment of kitchen waste was done to improve the gas production efficiency of anaerobic fermentation and shorten the fermentation cycle of kitchen waste. The results demonstrated that with an...
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Article
Microstructure and mechanical properties of hot-rolled low-carbon steel containing Ti–Ca oxide particles: a comparison between base metal and HAZ
The effect of inclusion-induced nucleation on hot-rolled steel base metal was evaluated in comparison with welding heat-affected zone (HAZ). Microstructure and mechanical properties of hot-rolled low-carbon st...
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Chapter and Conference Paper
ERP Research on the Influence of Different Types of Leadership Behavior on the Performance of Quality Management
This study had used the method of cognitive neuroscience to research the influence of different types of leadership behavior on the performance of quality management and verified the scientific of leadership b...
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Article
Effect of deformation parameters in unrecrystallization range on microstructural characteristics in Al-bearing hot-rolled TRIP steel
The scanning electron microscope, transmission electron microscope, optical microscope, X-ray diffraction and hardness tests were used to investigate the effect of deformation parameters in unrecrystallization...
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Article
Open AccessParameter study of sound energy distribution in cuboid extra-large spaces
The aim of this paper is to explore the sound energy distribution in cuboid extra-large spaces. The surface absorption and height are studied as the parameters using the image method. Air absorption is also di...
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Article
The study of the cavity inside heavy forgings based on the temperature field detection model
In the study of improving the forging quality and the defects repairing technology, the recognition of the cavities and large cracks inside heavy forgings is a key factor. To quickly acquire the geometric para...
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Article
Open AccessAdvanced recurrent network-based hybrid acoustic models for low resource speech recognition
Recurrent neural networks (RNNs) have shown an ability to model temporal dependencies. However, the problem of exploding or vanishing gradients has limited their application. In recent years, long short-term m...
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Article
Lattice Based Transcription Loss for End-to-End Speech Recognition
End-to-end speech recognition systems have been successfully implemented and have become competitive replacements for hybrid systems. A common loss function to train end-to-end systems is connectionist tempora...
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Article
Predicting integrated thermal and acoustic performance in naturally ventilated high-rise buildings using CFD and FEM simulation
The study of ventilation windows for both natural ventilation and noise mitigation has drawn significant attention recently. This paper presents the numerical approaches to analyse the integrated thermal and a...
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Article
Effects of geometry on the sound field in atria
The atria in commercial buildings are widespread. However, the sound environment has not been given sufficient consideration. Geometry affects the acoustics in the atria. The concept of geometry in this paper ...
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Article
Effects of Processing Variables on Microstructure and Yield Ratio of High Strength Constructional Steels
The process of “controlled rolling+relaxation+ultra fast cooling (UFC)” for high strength constructional steel with low yield ratio was presented. Microstructure and corresponding relationship with low yield r...
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Article
Optimization of facade design based on the impact of interior obstructions to daylighting
Overcrowding in the perimeter zone is an inevitable issue in residential rooms with limited space. Obstructions, such as furniture and household items, may block the existing windows, and therefore affect inte...
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Article
Passivation Behaviors of Super Martensitic Stainless Steel in Weak Acidic and Weak Alkaline NaCl Solutions
The passivation behaviors of super martensitic stainless steels (SMSS) were studied by polarization curves at passive potential of −0.1 V and in various NaCl solutions, electrochemical impedance spectroscopy (...
