346 Result(s)
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Article
A drug-loaded flexible substrate improves the performance of conformal cortical electrodes
皮质电极是刺激和/或记录神经系统电活动的有力工具. 然而, 外科植入电极所导致的不可避免的伤口带来了与外源性物质暴露相关的细菌感染和炎症反应风险. 此外, 伤口区域的炎症可能会因细菌感染而急剧恶化. 这些后果不仅可能导致皮质电极植入失败, 还可能威胁患者生命. 在此, 我们制备了负载抗生素四环素 (TC) 和抗炎药物地塞米松 (DEX) 的细菌纤维素 (BC) 水凝胶, 并将其作为皮质电极的柔性基底. 负载的药物可...
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Article
Parameter Optimization of Plow Mixer Structure Based on EDEM
Due to the dynamic complexity and diversity of structural parameters, the mixing efficiency improving of plow mixer is a challenge. In this study, the mixing behavior of particles simulated by the discrete ele...
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Article
Exploring Antarctic subglacial lakes with RECoverable Autonomous Sonde (RECAS): Design and first field tests
Conducting scientific drilling on subglacial lakes and obtaining samples of subglacial lake water holds great significance in unraveling the formation and evolution of Antarctic subglacial lakes and early Eart...
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Article
A novel route to enhance high-temperature mechanical property and thermal shock resistance of low-carbon MgO–C bricks by introducing ZrSiO4
Conventional MgO–C bricks (graphite content > 14 wt.%) produce a great deal of greenhouse gas emission, while low-carbon MgO–C bricks have serious thermal shock resistance during high-temperature service. To e...
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Article
Effect of Precipitates on Dynamic Recrystallization and Texture of Mg-Sn Alloy Under Different Strain Rates
The present study investigated the microstructure and texture evolution of Mg-Sn alloy with and without pre-existing precipitates under different strain rates. Rod-shaped Mg2Sn phase was introduced in the Mg-Sn a...
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Article
Design and Control of an Autonomous Bat-like Perching UAV
Perching allows small Unmanned Aerial Vehicles (UAVs) to maintain their altitude while significantly extending their flight duration and reducing noise. However, current research on flying habitats is poorly a...
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Article
Open AccessThrough-polymer, via technology-enabled, flexible, lightweight, and integrated devices for implantable neural probes
In implantable electrophysiological recording systems, the headstage typically comprises neural probes that interface with brain tissue and integrated circuit chips for signal processing. While advancements in...
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Article
Role of texture before rolling: a research based on texture and magnetic properties of 4.5 wt.% Si non-oriented electrical steel
The evolution of microstructure, texture, and magnetic properties with random texture, near-copper texture, weak near-cube texture, and strong λ fiber (<001>//ND (normal direction)) before rolling of non-orien...
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Article
Open AccessCoupling of BiOCl Ultrathin Nanosheets with Carbon Quantum Dots for Enhanced Photocatalytic Performance
Over the past few decades, photocatalysis technology has received extensive attention because of its potential to mitigate or solve energy and environmental pollution problems.Designing novel materials with ou...
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Article
Mechanical performance of 22SiMn2TiB steel welded with low-transformation-temperature filler wire and stainless steel filler wire
TX-80 low-transformation-temperature (LTT) welding wire was used to replace the traditional ER 307Si welding wire to realize the connection of 22SiMn2TiB armor steel in manual overlay welding. The previously e...
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Article
Experimental Study of a Reconstruction Method for Rock Joints in Sandstone Based on 3D Laser Scanning and 3D Engraving Techniques
The shear behaviour of natural joints generally exhibits anisotropy due to variations in morphological characteristics. The anisotropic shear behaviour of natural joints mainly determines the rock mass stabili...
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Article
An 18-bit SAR ADC with Mixed DAC and Capacitive Recombination Calibration
This paper presents a high-resolution 18-bit SAR ADC with a high 10-bit capacitor DAC and a low 8-bit resistor DAC. The total required number of the unit capacitors is decreased to 512. Foreground digital cali...
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Article
Reducing children’s exposure to di(2-ethylhexyl) phthalate in homes and kindergartens in China: Impact on lifetime cancer risks and burden of disease
Exposure to di(2-ethylhexyl) phthalate (DEHP) in the indoor environment has been linked with significant health risks for Chinese children. Multi-phase DEHP concentrations in Chinese residences and kindergarte...
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Article
Variation of humic carbon and microbial communities in bauxite residue following co-application of straw and phosphogypsum
Humification is one of the critical processes in the ecological restoration of bauxite residue deposit areas. Straw addition is widely used strategy to increase organic carbon in bauxite residue. However, the ...
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Article
An experimental study on effects of temperature gradient on microstructure of a 308L stainless steel manufactured by directed energy deposition
The effect of spatial temperature gradient on the microstructural evolution of a 308L stainless steel during the directed energy deposition (DED) process was experimentally investigated. A novel cooling system...
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Chapter and Conference Paper
Prospect of Aero Engine Technology Based on “Carbon Peaking and Carbon Neutrality”
With the proposal of the “Carbon peaking and carbon neutrality” goal, in order to actively respond to climate change issues, more than 140 countries and regions around the world have actively responded. In Oct...
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Chapter and Conference Paper
A SEC Reserve Evaluation Method for Tight Gas Reservoirs
Tight gas resources are abundant and widely distributed. SEC reserves refer to the amount of natural gas that can be produced and has economic benefits under the current economic and operating conditions asses...
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Chapter and Conference Paper
Structural Force Analysis and Service Condition Monitoring of a Port Door Machine
Based on the service state of the port door machine, the structural force characteristics are analysed from multiple angles, the optimal online real-time monitoring solution is designed and the real service st...
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Chapter and Conference Paper
Design of the Stiffener Layout for Dome Structures Based on Topology Optimization
The inner steel plate of the containment dome in the nuclear power plant is commonly used as formwork for concrete pouring. After construction, the steel plate also becomes a part of the load-bearing system of...
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Article
Open AccessUltralow friction PTFE/PEEK heterolayer: A new solid lubrication approach toward simplicity
Tribological applications of polytetrafluoroethylene (PTFE) are often limited by technological complexity to overcome its poor wear resistance. Here, a PTFE/polyetheretherketone (PEEK) heterolayer (HL) was pro...