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Article
Boosting oxygen reduction in acidic media through integration of Pt-Co alloy effect and strong interaction with carbon defects
Optimization of Pt atom utilization efficiency is critical for the development of proton-exchange-membrane fuel cells. Here we aim to develop an efficient oxygen reduction reaction (ORR) catalyst with a low Pt...
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Article
Open AccessSolvent engineering for scalable fabrication of perovskite/silicon tandem solar cells in air
Perovskite/silicon tandem solar cells hold great promise for realizing high power conversion efficiency at low cost. However, achieving scalable fabrication of wide-bandgap perovskite (~1.68 eV) in air, withou...
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Article
Effect of electromagnetic coupling treatment on the residual stress relief and mechanical properties of 7050 aluminum alloy
Due to the machining-induced residual stress while processing, the machining distortion of thin-walled 7050 aluminum alloy parts occurs easily, which greatly affects the pass rate of the products. Herein, elec...
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Article
Bioremediation of tetramethyl thiuram disulfide and resource utilization of natural rubber wastewater by WR-2 Bacillus-dominated microbial community
Tetramethyl thiuram disulfide (TMTD), an emerging pollutant with ecotoxicity and accumulation in rubber wastewater, is directly discharged by factories into the surrounding soil to save costs, and this disrupt...
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Chapter and Conference Paper
Control of Booming Noise for a Commercial Vehicle Based on Dynamic Stiffness Optimization
The dynamic stiffness of mounting points of a commercial vehicle is researched for the booming noise in this paper. Based on the theory of dynamic stiffness and the modal contribution method, the second-class ...
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Chapter and Conference Paper
Analysis and Optimization of Acceleration Booming Noise of a Pickup Truck
In this paper, the acceleration booming noise problem of a pickup truck is taken as the study object, the excitation source is determined as the powertrain by analyzing the test data, and the gearbox mount con...
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Article
Analysis on cracks of press-fit cylinder blocks in high-pressure piston pumps
High pressurisation is one of the important developmental techniques for piston pumps. Given that press-fit cylinder blocks of instruction machinery develop cracks or breakage; based on the DIN 7190(2001) and ...
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Article
Open AccessA comparative study of identical VMAT about two adjacent targets with and without fixed-jaw technique
The radiation transmission through the multileaf collimators is undesired in modern techniques such as volumetric modulated arc therapy (VMAT). According to identical plans, in this study, we aim to investigat...
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Article
Imaging study of pseudo-CT images of superposed ultrasound deformation fields acquired in radiotherapy based on step-by-step local registration
The purpose of this study is to create a new pseudo-computed tomography (CT) imaging approach under superposed ultrasound (US) deformation fields based on step-by-step local registration. Scanned CT and US 3D ...
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Article
Effects of Ag variations on dynamic recrystallization, texture, and mechanical properties of ultrafine-grained Mg–3Al–1Zn alloys
In this study, the effects of Ag variations on dynamic recrystallization (DRX), texture, and mechanical properties of ultrafine-grained Mg–3Al–1Zn alloys are investigated. The results suggest that Ag segregati...
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Article
miR-302b suppresses cell invasion and metastasis by directly targeting AKT2 in human hepatocellular carcinoma cells
MicroRNAs (miRNAs) have been shown to play essential roles in regulating the activity of human hepatocellular carcinoma (HCC) cells, thereby contributing to the suppression of invasion and metastasis. In this ...
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Article
Potential of acetylacetone as a mediator for Trametes versicolor laccase in enzymatic transformation of organic pollutants
Low-cost and environmentally friendly mediators could facilitate the application of laccase (EC 1.10.3.2) in variant biotechnological processes. Acetylacetone (AA) represents an inexpensive and low toxic small...
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Article
Flexibility analysis of a tracking control method for air-breathing hypersonic vehicles
This paper studies the flexibility of a tracking control method originally proposed by the authors for air-breathing hypersonic vehicles (AHVs). The main feature of this method is to design the tracking contro...
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Chapter and Conference Paper
Nonlinear Control Design of a Hypersonic Aircraft Using Sum-of-Squares Method
The main focus of this paper is on develo** a state feedback nonlinear controller for a hypersonic aircraft using the Sum-Of-Squares (SOS) approach. The SOS technique allows the joint search of a Lyapunov fu...
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Article
On common solutions of Riccati inequalities
This paper extends the previous work on common positive definite solutions (CPDSs) to planar algebraic Riccati inequalities (ARIs) to those with arbitrary dimensions. The topological structure of the set of al...
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Article
Quantification and fractionation of mercury in soils from the Chatian mercury mining deposit, southwestern China
Contents of total Hg and Hg fraction, organic matter, pH, grain size and chemical composition were measured to investigate the pollution characteristics and binding behavior of Hg in soils collected from the C...
