15 Result(s)
within
English
Engineering
Materials Science, general
**yang Zhou
Article
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Article
Size and magnetic field dependence of strong coupling magnetopolaron in quantum dot
By using the variational method of Pekar type, the ground state and the first excited state of the strong coupling magnetopolaron in cylinder-shape quantum dot are considered. The results show that, with the i...
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Article
Prosodic modification of Chinese speech based on sinusoidal model
Modification on time-scale and pitch-scale of Chinese syllable based on sinusoidal model is presented in this paper. Firstly, the short-term speech is decomposed into a sum of sinusoidal waves of different mag...
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Article
Energy levels of strong coupling magnetopolaron in quantum dot
By using variational method of Pekar type, we have studied the energy levels of strong coupling magnetopolaron in disk-shape quantum dot(QD) and quantum well(QW). Our results show that, with the increasing mag...
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Article
Thermodynamics Behavior of Titanium for BOF Smelting Bearing Steel
When titanium element appears in bearing steel, it is very easy to create titanium nitride inclusion, which reduces the fatigue life of bearing steel. Based on the production data of bearing steel produced by ...
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Article
Explore the possibility of forming fcc high entropy alloys in equal-atomic systems CoFeMnNiM and CoFeMnNiSmM
The multi-principal high-entropy alloys (HEAs) are promising new alloys. However, it is a challenge to screen out the suitable composition from the diverse combinations. Referring to the prototype AuCu3 with AB3-...
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Article
Survey on arteriovenous fistula in maintenance hemodialysis patients with type 2 diabetic nephropathy
This paper summed up the characteristics of native arteriovenous fistulas (AVFs) in maintenance hemodialysis patients with type 2 diabetic nephropathy (DN) in Chinese hemodialysis centers. A survey was conduct...
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Article
Effects of alloying elements X (X=Zr, V, Cr, Mn, Mo, W, Nb, Y) on ferrite/TiC heterogeneous nucleation interface: first-principles study
The segregation behavior of alloying elements X (X=Zr, V, Cr, Mn, Mo, W, Nb, Y) on the ferrite (100)/TiC(100) interface has been investigated using first principles method, and the work of separation and inter...
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Article
Thermodynamic analysis and reaction behaviors of alkali metal elements during iron ore sintering
Reaction thermodynamics and behaviors of alkali metal compounds were studied by FactSage7.1 and sinter pot trials. Main transformation behavior of alkali metal compounds was divided into three parts: part of a...
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Article
Open AccessFunctionalization of hydrophobic nonwoven cotton fabric for oil and water repellency
Highly hydrophobic surfaces exhibit a remarkable feature in the repellency of oil and water. However, the relatively complex preparation process, high costs, and harmful compounds have largely limited their ap...
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Article
Phase equilibria in Ti-rich portion and thermodynamic re-optimization of Co–Ti system
The experimental and thermodynamic studies of the Co–Ti system are an important part of the project to build a thermodynamic database for multicomponent Co–Ti-based alloys. Several key alloys were prepared and...
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Article
Open AccessTool wear mechanism, monitoring and remaining useful life (RUL) technology based on big data: a review
Tool wear is a key factor affecting many aspects of metal cutting machining, including surface quality, machining efficiency and tool life. As machining continues to evolve towards intelligence, hot spots and ...
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Article
Role of radiative and convective heat transfer during heating of an ingot product in a tubular furnace: experiment and simulation
Convective heat transfer and radiative heat transfer are two essential heat transfer modes in the heating process of steel; it is important to understand the role of them during the heating process clearly. Th...
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Article
Effect of feeding parameters on ingot segregation and shrinkage pore in vacuum arc remelting
The feeding parameters in the final stage of vacuum arc remelting process obviously affect the solute segregation and shrinkage pore depth. Coupled with the electromagnetic field, fluid flow, and solute transp...
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Article
Oxidation and internal nitridation behaviors of a Ni-based superalloy Rene 65 during high-temperature homogenization
Homogenization heat treatment is a key process to remove the micro-segregation and re-dissolve the undesired phases for wrought superalloy. The oxidation behavior of the wrought superalloy during the high-temp...
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Article
Open AccessPrecipitation of secondary Laves phases and its effect on notch sensitivity
The precipitation of secondary Laves phases and its effect on notch sensitivity are systematically studied in Thermo-Span alloy. The results show that the precipitation peak temperature of secondary Laves phas...
