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This paper is concerned with the feasibility of the power flow in DC power grids with constant power loads. We introduce the notion of distance to infeasibility as a voltage stability index and robustness measure for power flow feasibility. In particular, we study the p-norm distance to infeasibility in the domain of the constant power loads, and show how this distance may be expressed as a mathem
Purpose: Childhood cancer survivors, in particular those treated with radiation therapy, are at high risk of long-term iatrogenic events. The prediction of risk of such events is mainly based on the knowledge of the radiation dose received to healthy organs and tissues during treatment of childhood cancer diagnosed decades ago. We aimed to set up a standardized organ dose table to help former pati
In this paper we provide an analytical solution to an H2 optimal control problem, that applies whenever the process corresponds to a uniformly damped network of masses and springs. The solution covers both stable and unstable systems, and illustrates analytically how damping affects the levels of achievable performance. Furthermore, the resulting optimal controllers can be synthesised using passiv
The aerobic oxidation of carbon monoxide to carbon dioxide is catalysed by the Mo/Cu-containing CO-dehydrogenase enzyme in the soil bacterium Oligotropha carboxidovorans, enabling the organism to grow on the small gas molecule as carbon and energy source. It was shown experimentally that silver can be substituted for copper in the active site of Mo/Cu CODH to yield a functional enzyme. In this stu
Grounded in the social cognitive theory, the main aim of this study is to explore the impact of telepresence, social presence, and emotional engagement on impulsive buying tendencies within the realm of travel live-streaming (TLS). To examine further, the moderating effect of guidance shopping was included. An online questionnaire was distributed to 332 live-streaming viewers from China, and the c
This study aims to investigate the different behaviors with respect to safety measures related to the interaction of e-scooters and bikes with cars in mixed traffic. E-scooters are relatively new vulnerable road users, and their behavior is still not fully understood. For this purpose, an observational study was carried out at an unsignalized at-grade intersection in the city of Catania, Italy. A
District Heating is a cornerstone for the decarbonisation of the heating and cooling sector in Europe. Nonetheless, this technology is currently absent in a majority of the continent's urban areas, and hence the need for appropriate methods by which to estimate the cost, as well as underlying cost parameters, to assess the feasibility of developing district heating networks is of general interest.
District heating is one of the technologies that can contribute to the decarbonisation of the European heat sector. Nonetheless, these infrastructures only deliver about a tenth of the heat demands in the continent. Therefore, it is essential to assess the expansion potential of these systems and to identify which areas should be target for further investigations, which calls for easy-to-use and s
This paper presents a novel approach to modeling the gradual reduction in heat demand and the evolving expansion of district heating (DH) grids for assessing the DH potential in EU member states (MS). It introduces new methodological elements for modeling the impact of connection rates below 100% on heat distribution costs in both dense and sparse areas. The projected heat demand in 2050 is derive
Importance: Phase 3 trials of successful antiamyloid therapies in Alzheimer disease (AD) have demonstrated improved clinical efficacy in people with less severe disease. Plasma biomarkers will be essential for efficient screening of participants in future primary prevention clinical trials testing antiamyloid therapies in cognitively unimpaired (CU) individuals with initially low brain β-amyloid (
District heating and cooling systems can aid in decarbonisation and the provision of efficient heating and cooling in Europe. However, whereas these systems have achieved high penetration rates in colder climates of Northern, Central and Eastern Europe, they remain marginal in milder climates of Southern Europe. In terms of network design, district heating and cooling systems can be configured in
In a large social science literature, unequal rural class structures (“landlordism”) are associated with authoritarian political outcomes. This paper revisits the debate focusing on the electoral consequences of land inequality in Prussia, the locus classicus of the pernicious effects of landlordism, and Sweden, often perceived as Prussia’s opposite, with a farmer-dominated social structure and stIn a large social science literature, unequal rural class structures (“landlordism”) are as-sociated with authoritarian political outcomes. This paper revisits the debate focusingon the electoral consequences of land inequality in Prussia, the locus classicus of the per-nicious effects of landlordism, and Sweden, often perceived as Prussia’s opposite, with afarmer-dominated social structure and st
In this study, I analyse whether and why people’s social trust, the belief that most people can be trusted, changed during the COVID-19 pandemic in Switzerland. My analysis is guided by two different approaches to potential dynamics in social trust, (1) the settled disposition model which advocates for stability within individuals over time, and (2) the active updating model claiming that crisis-i
This short communication presents the findings of the work conducted by the human behaviour in fire permanent working group of the International Association for Fire Safety Science. Its aim is to identify determinants of research gaps in the field of human behaviour in fire. Two workshops were conducted in 2023 in which research gaps were identified and discussed by twenty experts. The workshops l
This open access book brings together experts from both EU competition law as well fundamental rights backgrounds, discussing the most recent developments in EU legislation on digitalisation. Most prominently, it explores the recently introduced Digital Markets Act (DMA), including a discussion on other related legislative acts and the respective case law. It is aimed mostly at academics and resea
