All Outputs (1440)

A blow-up dichotomy for semilinear fractional heat equations (2020)
Journal Article

We derive a blow-up dichotomy for positive solutions of fractional semilinear heat equations on the whole space. That is, within a certain class of convex source terms, we establish a necessary and sufficient condition on the source for all positive... Read More about A blow-up dichotomy for semilinear fractional heat equations.

Laser powder bed fusion of WC-reinforced Hastelloy-X composite: Microstructure and mechanical properties (2020)
Journal Article

Nickel-based superalloys such as Hastelloy X (HX) are widely used in gas turbine engines for their exceptional oxidation resistance and high-temperature strength. The addition of ceramic reinforcement further enhances these superalloys’ mechanical pe... Read More about Laser powder bed fusion of WC-reinforced Hastelloy-X composite: Microstructure and mechanical properties.

Effects of an unexpected and expected event on older adults’ autonomic arousal and eye fixations during autonomous driving (2020)
Journal Article

© Copyright © 2020 Stephenson, Eimontaite, Caleb-Solly, Morgan, Khatun, Davis and Alford. Driving cessation for some older adults can exacerbate physical, cognitive, and mental health challenges due to loss of independence and social isolation. Fully... Read More about Effects of an unexpected and expected event on older adults’ autonomic arousal and eye fixations during autonomous driving.

Robust neurooptimal control for a robot via adaptive dynamic programming (2020)
Journal Article

We aim at the optimization of the tracking control of a robot to improve the robustness, under the effect of unknown nonlinear perturbations. First, an auxiliary system is introduced, and optimal control of the auxiliary system can be seen as an appr... Read More about Robust neurooptimal control for a robot via adaptive dynamic programming.

Factors associated with advanced colorectal cancer differ between young and older adults in England: A population-based cohort study (2020)
Journal Article

Aim: Advanced stage presentation of colorectal cancer is associated with poorer survival outcomes, particularly among young adults. This study aimed to determine whether demographic risk factors for advanced stage presentation differed between young... Read More about Factors associated with advanced colorectal cancer differ between young and older adults in England: A population-based cohort study.

Cost-effective fabrication of bio-inspired nacre-like composite materials with high strength and toughness (2020)
Journal Article

A cost-effective one-step densification process based on bi-directional freeze casting was investigated to produce nacre-like alumina/poly (methyl methacrylate) (PMMA) composites with a unique micro-layered (μL) architecture. This method has the adva... Read More about Cost-effective fabrication of bio-inspired nacre-like composite materials with high strength and toughness.

The mental health effects of pet death during childhood: Is it better to have loved and lost than never to have loved at all? (2020)
Journal Article

Pet ownership is common. Growing evidence suggests children form deep emotional attachments to their pets. Yet, little is known about children’s emotional reactions to a pet’s death. The goal of this study was to describe the relationship between exp... Read More about The mental health effects of pet death during childhood: Is it better to have loved and lost than never to have loved at all?.

Evaluation of artificial neural network algorithms for predicting the effect of the urine flow rate on the power performance of microbial fuel cells (2020)
Journal Article

© 2020 The Authors Microbial fuel cell (MFC) power performance strongly depends on the biofilm growth, which in turn is affected by the feed flow rate. In this work, an artificial neural network (ANN) approach has been used to simulate the effect of... Read More about Evaluation of artificial neural network algorithms for predicting the effect of the urine flow rate on the power performance of microbial fuel cells.

Flow analysis in right-angled pipes with different geometric shapes and parameters for sludge discharge in slime shield machines measured using a CFD-DEM method (2020)
Journal Article

Mud and gravel deposition often occurs in circulation systems of pumps. In this paper, a liquid-solid coupling method combining CFD and DEM is proposed to study two-phase flow behavior of water, The flow characteristics of water-clay mud and the moti... Read More about Flow analysis in right-angled pipes with different geometric shapes and parameters for sludge discharge in slime shield machines measured using a CFD-DEM method.

Fragmentation studies by non-explosive cylinder expansion technique (2020)
Journal Article

Expansion and fragmentation of metallic cylinders is an important area of study both for designing munitions and mitigation techniques against fragments as well as in the failure of pressurised pipes in industry. Most of the reported studies on fragm... Read More about Fragmentation studies by non-explosive cylinder expansion technique.

An approach to object-level stiffness regulation of hand-arm systems subject to under-actuation constraints (2020)
Journal Article

When using a tool with a robotic hand-arm system, the stiffness at the grasped object plays a key role in the interaction with the environment, allowing the successful execution of the task. However, the rapidly increasing use of under-actuated hands... Read More about An approach to object-level stiffness regulation of hand-arm systems subject to under-actuation constraints.

An incremental learning framework to enhance teaching by demonstration based on multimodal sensor fusion (2020)
Journal Article

Though a robot can reproduce the demonstration trajectory from a human demonstrator by teleoperation, there is a certain error between the reproduced trajectory and the desired trajectory. To minimize this error, we propose a multimodal incremental l... Read More about An incremental learning framework to enhance teaching by demonstration based on multimodal sensor fusion.

Improving the power performance of urine-fed microbial fuel cells using PEDOT-PSS modified anodes (2020)
Journal Article

© 2020 The Authors The need for improving the energy harvesting from Microbial Fuel Cells (MFCs) has boosted the design of new materials in order to increase the power performance of this technology and facilitate its practical application. According... Read More about Improving the power performance of urine-fed microbial fuel cells using PEDOT-PSS modified anodes.

Illicit drug contamination of the Bristol Pound local currency (2020)
Journal Article

Reports have shown the prevalence of the contamination of banknotes with a number of different drugs. These studies have focused on investigating drug contamination levels on currency which is either nationally or even international distributed. To p... Read More about Illicit drug contamination of the Bristol Pound local currency.

Bias compensation-based parameter and state estimation for a class of time-delay non-linear state-space models (2020)
Journal Article

This study presents, based on bias compensation, an integrated parameter and state estimation algorithm for a class of time-delay non-linear systems which are described by canonical observable state-space model. In technical development, the state-sp... Read More about Bias compensation-based parameter and state estimation for a class of time-delay non-linear state-space models.

Scaling up self-stratifying supercapacitive microbial fuel cell (2020)
Journal Article

Self-stratifying microbial fuel cells with three different electrodes sizes and volumes were operated in supercapacitive mode. As the electrodes size increased, the equivalent series resistance decreased, and the overall power was enhanced (small: ES... Read More about Scaling up self-stratifying supercapacitive microbial fuel cell.

Developing 3D-printable cathode electrode for monolithically printed microbial fuel cells (MFCs) (2020)
Journal Article

© 2020 by the authors. Microbial Fuel Cells (MFCs) employ microbial electroactive species to convert chemical energy stored in organic matter, into electricity. The properties of MFCs have made the technology attractive for bioenergy production. Howe... Read More about Developing 3D-printable cathode electrode for monolithically printed microbial fuel cells (MFCs).

A new design for friction stir spot joining of Al alloys and carbon fibre reinforced composites (2020)
Journal Article

Friction stir spot welding (FSSW) has been recently developed to join dissimilar materials. However, the traditional requirement for a rotating tool consists of a pin and shoulder in FSSW leads to a complex joining process and unpredictable defects.... Read More about A new design for friction stir spot joining of Al alloys and carbon fibre reinforced composites.

From the lab to the field: Self-stratifying microbial fuel cells stacks directly powering lights (2020)
Journal Article

The microbial fuel cell (MFC) technology relies on energy storage and harvesting circuitry to deliver stable power outputs. This increases costs, and for wider deployment into society, these should be kept minimal. The present study reports how a MFC... Read More about From the lab to the field: Self-stratifying microbial fuel cells stacks directly powering lights.

Analyzing kinetic signaling data for G-protein-coupled receptors (2020)
Journal Article

In classical pharmacology, bioassay data are fit to general equations (e.g. the dose response equation) to determine empirical drug parameters (e.g. EC50 and Emax), which are then used to calculate chemical parameters such as affinity and efficacy. H... Read More about Analyzing kinetic signaling data for G-protein-coupled receptors.