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Biodiversity loss is recognized as a grand challenge of the twenty-first century but ascertaining when a species is “lost” can be incredibly difficult—since the absence of evidence is not evidence of absence. This may be a relatively easy task for large and conspicuous animals, but extremely difficult for those living hidden lives or at low population sizes. We showcase this challenge by focusing
The aim of this report is to contribute to the European vision for Open Science (European Commission 2016) by providing the frameworks for understanding and applying science and technology indicators, defined broadly, to enable the transition from the current scientific and scholarly system towards a more open and inclusive configuration of knowledge practices and infrastructures. Indicators for O
Water and energy are two intimately interconnected issues of strategic relevance for a sustainable industrial development. Herein, we integrated light-harvesting/self-heating membranes and salinity gradient technology with the aim to implement the innovative concept of light-to-heat-to-power conversion. Novel photothermal membranes, prepared by immobilizing silver nanoparticles (AgNPs) on the top
The effectiveness of Salinity Gradient Power - Reverse Electrodialysis (SGP-RE) in real practice is still not clearly defined due to the lack of specific studies in literature, being investigations in large part limited to pure NaCl solutions or aqueous mixtures of two salts. In this work, we experimentally assessed the impact of natural feed streams (collected from Licetto river and Tyrrenian sea
As a complex hydrological problem, rainfall-runoff (RR) modeling is of importance in runoff studies, water supply, irrigation issues, and environmental management. Among the variety of approaches for RR modeling, conceptual approaches use physical concepts and are appropriate methods for representation of the physics of the problem while may fail in competition with their advanced alternatives. Co
To promote human flourishing throughout society, opportunities for arts participation must encompass all citizens. A primary means to promote this is arts education and activities for schoolchildren. Equal opportunities for participation are currently not enjoyed by students with disabilities. In a population-based and cross-sectional study carried out on a 2016 public-health survey including 27,3
Freight transport in urban areas needs to become more sustainable. There is much potential to reduce emissions by transitioning to electric freight vehicles (EFVs). The context of this study is Sweden, a country with ambitious goals for transitioning to fossil-free road transport that incentivizes the adoption of EFVs through regulations, subsidies and environmental zones. However, it seems that f
This paper introduces the first minimal solvers that jointly estimate lens distortion and affine rectification from the image of rigidly-transformed coplanar features. The solvers work on scenes without straight lines and, in general, relax strong assumptions about scene content made by the state of the art. The proposed solvers use the affine invariant that coplanar repeats have the same scale in
In contrast to artificial systems, animals must forage for food. In biology, the availability of energy is typically both precarious and highly variable. Most importantly, the very structure of organisms is dependent on the continuous metabolism of nutrients into ATP, and its use in maintaining homeostasis. This means that energy is at the centre of all biological processes, including cognition. S
Multiple studies have examined the extent to which consumers’ hunger levels predict their food choices and preference patterns. These investigations often involve making binary choices between hedonic foods (e.g., ice cream) that primarily serve to provide sensory pleasure, and utilitarian foods (e.g., bread) that mainly fulfill functional purposes. However, most consumers entering a grocery store
We study steady axisymmetric water waves with general vorticity and swirl, subject to the influence of surface tension. This can be formulated as an elliptic free boundary problem in terms of Stokes' stream function. A change of variables allows us to overcome the generic coordinate-induced singularities and to cast the problem in the form “identity plus compact,” which is amenable to Rabinowitz's
The Storage Location Assignment Problem (SLAP) is of primary significance to warehouse operations sincethe cost of order-picking is strongly related to where and how far vehicles have to travel. Unfortunately, ageneralized model of the SLAP, including various warehouse layouts, order-picking methodologies andconstraints, poses a highly intractable problem. Proposed optimization methods for the SLA
In this master’s thesis we propose a DensePose-based person re-identification (re-ID) machine learning algorithm building upon previous research on this topic. DensePose, a deep neural network that performs human body part segmentation on images, forms the foundation of our approach. We investigate whether utilization of DensePose can enhance performance on re-ID algorithms with the utilization of
Aseptic packaging solutions enable long time storage without refrigeration and are an important part of securing food supply globally. The package material consists of multiple layers: A paperboard for robustness, polymers for adhesion as well as shielding the board from liquid, and a barrier protecting the product. This thesis consists of two parts regarding in-plane wetting into the paperboard.
Wide-angle distance measurements are needed for positioning with multilateration when there is no information about in which direction objects of interest are located. Several transmitters of varying kinds were evaluated in a data-driven way using a 6 DOF robot actuator. A wide-angle (±98 degrees) distance measurement system us- ing ultrasound was developed. The resulting solution was integrated i
In this study a method for small scale purification of the protein RAGE (receptor for advanced glycation endproducts) was developed and soluble RAGE was purified from bovine and mice tissue. In healthy animals RAGE is expressed in measurable levels only in lungs and therefore lungs have been used. The tissue was homogenized and thereafter RAGE was purified using Concanavaline A (Con A)-Sepharose,
Problem definition Additive manufacturing is a technology that has received a lot of attention and many are wondering how it will affect them plastic industry in the future. Additive manufacturing is mostly used for prototyping today but there is reason to believe that the technology has potential to overtake other application areas for plastic or used as a complementary method to existing manufac
Rehabilitering efter en stroke är viktig för att den drabbade individen ska återfå så stor del av de påverkade kroppsfunktionerna som möjligt. Balansen blir ofta försämrad hos individer som överlevt stroke och behöver stärkas för att inte hindra individen i dennes vardagliga liv. Rehabiliteringsträningen av balansen bör innehålla motivationsfaktorer för att träningen ska ske i tillräckligt stor omThe rehabilitation after a stroke is important for the individual so that the affected body functions recover as much as possible. The balance is often impaired after a stroke and need to be strengthend to not impede the stroke-survivor in the daily life. The rehabilitation training of the balance should include motivation factors for the training to take place in sufficiently large scale. The aim
The aim of this thesis was to explore and evaluate current methods for building tiny, low-power audio recording systems for wireless applications. Short audio clips should be recorded, transferred to a smartphone and played back. Optimization of the different parts should be explored and a prototype for usage in battery powered devices with limited space should be built. System requirements were d
