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Article
Investigation of Maxima Assumptions in Modelling Tropical Cyclone-Induced Hazards in the South China Sea
The present study aims to examine the suitability of two commonly used assumptions that simplify modelling metocean conditions for designing offshore wind turbines in the South China Sea (SCS). The first assum...
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Article
Enhanced cyclability of lithium-ion batteries resulting from atomic layer deposition of Al2O3 on LiFePO4 electrodes
Al2O3 thin films were deposited on the surfaces of LiFePO4 cathodes via atomic layer deposition (ALD). Electrochemical characterization was used to evaluate the performance improvement of the cathodes coated with...
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Article
Effect of Al content in molten steel on interaction between MgO–C refractory and SPHC steel
The effect of Al content in molten steel on the interaction between SPHC steel (0.005–0.068 wt.% Als and 19 × 10−4–58 × 10−4 wt.% O) and MgO–C refractory (11.63 wt.% C) was investigated. Non-metallic inclusions i...
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Article
Experimental and Theoretical Study on the Self-Weight Penetration Velocity of Suction Anchor Foundations in Sand
The application of the wellhead suction anchor in the second production test of natural gas hydrates (NGHs) in the South China Sea (SCS) was met with success. This design incorporates a central conductor guide...
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Article
Constitutive model for Ya’an mudstone based on mesoscopic breakage mechanism
The slope stability of Ya’an expressway in Sichuan dominated by mudstone strata, is influenced greatly by both the mechanical properties and stressstrain relationship of mudstone. In this paper, the mechanical...
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Article
Self-Weight Penetration Characteristics of the Suction Foundation with Different Diameters in Sand
During the self-weight penetration process of the suction foundation on the dense sand seabed, due to the shallow penetration depth, the excess seepage seawater from the outside to the inside of the foundation...
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Article
Graphene sheet-encased silica/sulfur composite cathode for improved cyclability of lithium-sulfur batteries
The “shuttle effect” of polysulfides is a serious issue, resulting in a decrease in the life-cycle of lithium-sulfur (Li-S) batteries. To inhibit the shuttle effect, a combination of graphene oxide and silica ...
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Article
Modification of LiCoO2 through rough coating with lithium lanthanum zirconium tantalum oxide for high-voltage performance in lithium ion batteries
In this study, the spray-drying technique was used to apply a 0.5 at%, 1 at%, and 1.25 at% of lithium lanthanum zirconium tantalum oxide (Li6.75La3Zr1.75Ta0.25O12) powder coating on the surface of lithium cobalt ...
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Article
Advances in polymer electrode materials for alkali metals (lithium, sodium and potassium)-ion rechargeable batteries
Organic polymer materials gain much attentions due to its high nature abundance, tuneable property with respect to functional groups, easy processing, low-cost alternate to their inorganic counter-part. The co...
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Article
Detection of O-glycosylated CA125 by using an electrochemical immunosensor for ovarian cancer diagnosis
Patients with ovarian cancer exhibit no clear symptoms. Ovarian cancer can be detected early only through internal diagnosis, ultrasound, and a carcinoma antigen 125 (CA125) tumor index test. More than 60% of ...
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Article
An imprint of sulfur/SiO2 in N-doped graphene as positive electrode for lithium–sulfur rechargeable batteries
Ternary sulfur (S)-/silicon dioxide (SiO2)-/nitrogen-doped graphene (NG) composite has been prepared by simple heat treatment. Morphological study illustrates the well dispersion of sulfur in the layered structur...
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Article
Switchable Solvent-Catalyzed Direct Transesterification of Insect Biomass for Biodiesel Production
DBU (1,8-diazabicyclo[5.4.0]undec-7-ene), a polarity switchable solvent, has been recognized as a green solvent for oil extraction and as a promising catalyst for transesterification. This paper proposes a nov...
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Article
Enhanced Electrochemical Performance of MWCNT-Intercalated Silica/Sulfur Composite Cathode for Rechargeable Lithium-Sulfur Batteries
Sulfur (S)/silicon dioxide (SiO2)/multiwalled carbon nanotube (MWCNT) ternary composites with potential application in high-performance lithium-sulfur (Li-S) batteries have been prepared by a heat treatment metho...
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Article
N-Doped Graphene Sheet Encapsulated Sulfur Binary Composite as Cathode for Lithium-Sulfur Battery Applications
Herein, sulfur-/nitrogen-doped graphene (SNG) binary composite has been prepared by melt diffusion method and employed as cathode material for lithium-sulfur (Li-S) battery. The physical and electrochemical pe...
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Article
Synthesis and characterization of PNIPAM microgel core–silica shell particles
We developed a simple effective approach to prepare poly(N-isopropylacrylamide-co-acrylamide-co-N,N′-methylenebisacrylamide) (PNIPAM/AM/MBA) microgel core–silica shell particles with narrow particle size distr...
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Article
Effect of Nb and V on the continuous cooling transformation of undercooled austenite in Cr–Mo–V steel for brake discs
The increasing speed of trains necessitates the development of brake-disc materials that meet more stringent requirements. Therefore, Nb and V have been added to Cr–Mo–V steel to improve its thermal fatigue pe...
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Article
Effect of Cooling Rate on Precipitation Behavior and Micromechanical Properties of Ferrite in V-N Alloyed Steel During a Simulated Thermomechanical Process
The effect of the cooling rate after finish deformation at 1223 K (950 °C) on the microstructural evolution, V(C,N) precipitation, and micromechanical properties of ferrite in high-N V-alloyed building steel w...
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Article
Microstructure, Precipitation, and Mechanical Properties of V-N-Alloyed Steel After Different Cooling Processes
Three cooling processes (direct air cooling, water cooling to 1023 K and 873 K (750 °C and 600 °C) followed by air cooling) after hot rolling are designed to develop V-N-alloyed 600 MPa grade high-strength ste...
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Article
Kinetics and formation mechanisms of intragranular ferrite in V-N microalloyed 600 MPa high strength rebar steel
To systematically investigate the kinetics and formation mechanisms of intragranular ferrite (IGF), isothermal heat treatment in the temperature range of 450°C to 600°C with holding for 30 s to 300 s, analysis...
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Article
A novel attempt for employing brannerite type copper vanadate as an anode for lithium rechargeable batteries
Researchers are trying to find a novel anode material which is essential for taking lithium batteries to the next stage. Among the classical anodes, the conversion electrodes play a special role owing to their...