Results 1 to 10 of about 313,846 (268)
Numerical analysis of time-sharing differential freezing temperature field in coal mine
In order to study the frozen sinking process of multi-row holes in deep loose layers of coal mine, the thickness of frozen wall designed according to the requirement of deep formation water and earth pressure is much larger than the actual thickness of ...
WANG Xiaojian, LI Zhaosheng, ZHANG Liangliang, SUN Shiyuan, SHEN Renwei, FANG Gensheng
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Large-Arc Discharge Mechanism and Avoidance in Micro-Arc Oxidation of Magnesium Alloy
The large-arc discharge problem occurs in the processing of magnesium alloy by micro-arc oxidation. It will cause local ablation of ceramic coating and even magnesium alloy matrix material.
Ke-Xin Guan +3 more
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Rapid tooling technology (RTT) provides an alternative approach to quickly provide wax injection molds for the required products since it can reduce the time to market compared with conventional machining approaches.
Chil-Chyuan Kuo +3 more
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Suggesting a Method to Estimate the Cooling Time of Iranand its Simulation in the Future [PDF]
One of the criteria for estimating the amount of energy used for cooling and heating is the degree hour. The aim of this study was to select the most appropriate method to calculate the cooling degree hour and simulate these parameters in the coming ...
kamal omidvar +3 more
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Experimental investigation of the characteristic of vacuum spray cooling for tofu
The present study proposes a rapid cooling method based on vacuum spray cooling, and establishes an experimental system to study the cooling performance of this method by taking tofu as an example.
Gailian Li +6 more
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Biodiesel Purification by Solvent-Aided Crystallization Using 2-Methyltetrahydrofuran
The previous biodiesel purification by Solvent-Aided Crystallization (SAC) using 1-butanol as assisting agent and parameters for SAC were optimized such as coolant temperature, cooling time and stirring speed. Meanwhile, 2-Methyltetrahydrofuran (2-MeTHF)
Wan Nur Aisyah Wan Osman +2 more
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To study the drillability and microscopic damage changes of granite after high temperature exposure and to study the influence of different cooling times on drillability after high temperature exposure, granite for high-temperature heat treatment was ...
Shuai Chen +4 more
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Time-Periodic Cooling of Rayleigh–Bénard Convection
The problem of Rayleigh–Bénard’s natural convection subjected to a temporally periodic cooling condition is solved numerically by the Lattice Boltzmann method with multiple relaxation time (LBM-MRT).
Lyes Nasseri +4 more
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Assessment of the hardness of S890QL material welded joins [PDF]
The need to reduce the mass of products manufactured by welding processes has led to the replacement of the basic steel materials, such as construction steels, by steels with high mechanical properties, such as hard and brittle steels.
Adrian Florea +3 more
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Este trabalho teve como objetivo desenvolver um estudo teórico através do modelo matemático de Fourier, em sua forma unidimensional e em coordenadas esféricas, o que é descrito por uma equação diferencial parcial linear de segunda ordem, para a obtenção ...
Mariângela Amendola, Bárbara Teruel
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