80 Result(s)
within
Engineering, general
Kui **a
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Article
Elucidating the operating behavior of PEM fuel cell with nickel foam as cathode flow field
Metal foam material, which serves as an alternative replacement of the conventional flow distributor of proton exchange membrane (PEM) fuel cell, has been attracting much attention over last few decades. In th...
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Article
Hydrothermal CO2-assisted Pretreatment of Wheat Straw for Hemicellulose Degradation Followed with Enzymatic Hydrolysis for Glucose Production
Hydrothermal CO2-assisted pretreatment was carried out for selective degradation of hemicellulose in wheat straw to produce pentose and enhancement the efficiency of enzymatic hydrolysis for glucose production. T...
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Article
Physico-mechanical performance of debris-flow deposits with particular reference to characterization and recognition of debris flow-related sediments
To characterize and recognize the debris flow-related deposits, the physico-mechanical performance of four deposits from the Dongyuege (DYG), Shawa (SW), Jiangjia Gully (JJG), and Gengdi (GD) debris flows in s...
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Article
Study on prediction model of maximum hydraulic extension depth for ultra deep wells considering effects of temperature
How long the ultra deep well can extend and what is the ultra deep well’s maximum hydraulic extension depth are always concerned and studied by drilling engineers. The well’s maximum hydraulic extension depth ...
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Article
Oxygen pressure acid leaching of artificial sphalerite catalyzed by Fe3+/Fe2+ self-precipitation
The mechanism of oxygen pressure acid leaching of sphalerite catalyzed by Fe3+/Fe2+ self-precipitation was investigated in this study. Artificial sphalerite was fabricated with varying amounts of iron content via...
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Article
Theoretical Investigation to the Effect of Bolt Reinforcement on Tunnel Viscoelastic Behavior
Rock bolts are widely applied in undergrounding excavation for strengthening rocks internally. For better understanding the effect of bolt reinforcement, the mechanical behavior of a circular bolt-liner combin...
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Article
Mining Scheme Optimization and Stope Structural Mechanic Characteristics for a Deep and Large Ore Body
Several large ore bodies are exposed to poor environments. Thus, designing a reasonable mining scheme for the stress characteristics and stability of stope structures is essential. In this study, Fast Lagrangi...
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Article
Factors affecting thin coal seam shearer drum coal-loading performance by a model test method
To solve the problem of a low coal-loading rate being exhibited by the drum shearer on Chinese thin coal seams, systematic tests and research were performed to study the pivotal factors’ influences on drum coa...
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Article
Effects of oxygen content of pitch precursors on the porous texture and surface chemistry of pitch-based activated carbon fibers
Oxidized pitches with different oxygen content were prepared using ethylene tar as a raw material by air-blowing method, then the resultant pitch-based activated carbon fibers (ACFs) were prepared through spin...
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Article
Effects of Mold Current on Slag Skin and Heat Flow Distribution During Electroslag Remelting at Given Power Input
A transient model including the electromagnetic field, fluid flow, and heat transfer has been developed based on the volume-of-fluid model and dynamic mesh technique. At given power input, two cases were simul...
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Article
Suppression of residual amplitude modulation effects in Pound–Drever–Hall locking
Residual amplitude modulation (RAM) effects in Pound–Drever–Hall (PDH) locking are analyzed in this paper. The suppression of the RAM effect in PDH locking has been investigated by many groups, but the effect ...
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Article
Open AccessMR-based motion correction for cardiac PET parametric imaging: a simulation study
Both cardiac and respiratory motions bias the kinetic parameters measured by dynamic PET. The aim of this study was to perform a realistic positron emission tomography-magnetic resonance (PET-MR) simulation st...
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Article
Na2ZnSn2S6: A mixed-metal thiostannate with large second-harmonic generation response activated by penta-tetrahedral [ZnSn4S14]10− clusters
A sodium zinc thiostannate Na2ZnSn2S6 is reported with its interesting structural features and property characteristics. It crystallizes in the polar space group Fdd2 (No. 43) with the unit cell parameters of a=1...
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Article
An analytical model to explore open-circuit voltage of a-Si:H/c-Si heterojunction solar cells
The effect of the parameters on the open-circuit voltage, V OC of a-Si:H/c-Si heterojunction solar cells was explored by an analytical model. The analytical results show that V ...
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Article
Transcriptome Sequencing and Analysis of Wild Pear (Pyrus hopeiensis) Using the Illumina Platform
Pears are cultivated worldwide as an economically valuable fruit of the Rosaceae. Because of the lack of genomic resources, few molecular biology studies have focused on wild pear, which are less abundant than...
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Article
Nonlinear analysis of pile load—settlement behavior in layered soil
A simplified approach is presented to analyze the single pile settlement in multilayered soil. First, a fictitious soil—pile model is employed to consider the effect of layered soil beneath pile toe on pile se...
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Article
Longitudinal vibration of pile in layered soil based on Rayleigh-Love rod theory and fictitious soil-pile model
The dynamic response of pile in layered soil is theoretically investigated when considering the transverse inertia effect. Firstly, the fictitious soil-pile model is employed to simulate the dynamic interactio...
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Article
What drives superconductivity in Pt-doped IrTe2?
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Article
Near-field optical properties of wide bandwidth metal multi-layer dielectric gratings for pulse compressor
Metal multi-layer dielectric gratings (MMDG) for pulse compressors in high-energy laser systems should provide broad bandwidth as well as high laser-induced damage thresholds. The non-uniform optical near-fiel...
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Article
Discovery of marine fossils in the upper part of the Permian Linxi Formation in Lo**ian, **ngmeng area, China
Two important geological issues have a long history of debate in the **ngmeng area. The first concerns the final closure of the North China plate, Siberia plate and several intermediate massifs in the area, an...
