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This paper proposes an advanced emergency control strategy for embedded VSC-HVDC links after AC disturbances, such as line tripping and generation loss. The control goals are to minimize the impact of the disturbance on the AC-network, which includes improving the long-term voltage stability with utilizing possible unloading capacity of parallel AC elements. The proposed algorithm is evaluated aga
This article presents a dynamic land property rights theory based on the law of the limit to land productivity, and then uses this theory and a large amount of data to compare the history of the agricultural and industrial revolutions in England and China. The article finds that, in England, the arable land-especially sown land-per capita of the agricultural population trended downward before the
Coupling of surface plasmon resonance (SPR) detection to asymmetric flow field-flow fractionation (AF4) offers the possibility to study active fractions of bio-separations on real samples, such as serum and saliva, including the assessment of activity of possibly aggregated species. The coupling of SPR with AF4 requires the possibility to select fractions from a fractogram and redirect them to the
Social insurance administrative officers’ decision-making skills influence their efficiency at work and their general well-being. At work their tasks are characterised by complexity and a need for order and accountability. Moreover, cases should usually be handled and finalised within the imposed time frames. We investigated skills related to decision-making success among social insurance officers
Studiens syftet är att undersöka hur kommuner tar emot nyanlända i samverkanmed andra aktörer i en komplex kontext med oklara och kanske konfliktfylldadirektiv under tidspress. I analyserna har vi främst fokuserat hur samverkan harorganiserats och fungerat för kommunerna utifrån ansvarsfördelning ochautonomi. Vi har studerat offentliga dokument och intervjuat främstintegrationssamordnare eller mot
Introduction: The osmotic conductance to glucose (OCG) is a crucial determinant of ultrafiltration (UF) in peritoneal dialysis (PD) patients and can be used to monitor membrane integrity in patients on long-term PD. It has been proposed that OCG can be assessed based on drained volumes in 2 consecutive 1-hour glucose dwells, usually 1.5% and 4.25% glucose, in a so-called double mini-peritoneal equ
AbstractThe epidemiological association between diabetes and heart failure is well-established and the two entities areemerging as global threats, both individually and synergistically, to an aging population. The exploration of multipleproteins can shed light on pathophysiological pathways in both diabetes and cardiovascular disease. This canpossibly provide novel diagnostic, prognostic and hopef
The objective of this critical review was to provide a comprehensive summary of paralytic shellfish toxins(PSTs) producing species and knowledge gaps in detecting PSTs in drinking water resources, with a focuson recent development of PSTs monitoring methods and tools for drinking water monitoring. PSTs, whichare also called Saxitoxins (STXs), are a group of neurotoxins not only produced by marine
The resource curse literature has established that the taxation of natural resources might limit the long-term development of fiscal capacity in resource-rich countries. This article explores if, and how, natural resource abundance generates fiscal dependence on natural resource revenues. We compare five peripheral economies of Latin America (Bolivia, Chile, Peru) and Scandinavia (Norway, Sweden)
The European approach to artificial intelligence (AI) points to ethical considerations, human control and trustworthiness as its core tenets. But how clearly is this approach reflected in the Member States’ strategies?This anthology analyses to what extent the notions of ethical and trustworthy AI, presented by the High-Level Expert Group on Artificial Intelligence and the European Commission, hav
I denna undersökning har vi i juni 2020 frågat ett representativt urval om strax över 2000 svenskar om hur de förhåller sig till handelns användning av deras personliga information. Urvalet har viktats och efterstratifierats så att det ska representera den svenska allmänheten 18-79 år. Syftet har varit att bättre förstå i vilken mån allmänheten tycker att utbytet mellan vad de får i termer av exem
Utgångspunkten för det här numret av Dragomanen är fritid och artiklarna behandlar ämnen som på ett eller annat vis kan sättas i relation till ordet: det rör sig om bröllop, strandliv, husdjur, fotboll, musik, alkohol, TV-drama, teater och förändringar i vardagen i samband med krig och pandemi. En majoritet av texterna diskuterar former av fritid i Turkiet, men även andra områden vid östra Medelha
Nature suggests that complex materials result from a hierarchical organization of matter at different length scales. At the nano- and micrometer scale, macromolecules and supramolecular aggregates spontaneously assemble into supracolloidal structures whose complexity is given by the coexistence of various colloidal entities and the specific interactions between them. Here, we demonstrate how such
Background: Joint destruction in rheumatoid arthritis (RA) is usually evaluated by radiographs of both hands and feet, while the inflammatory status mostly is evaluated by DAS28 which, however, does not include the feet. Objectives: To investigate the distribution of erosions in hands and feet in early RA over 8 years and its potential clinical implications. Furthermore, the group of patients neve
Background. Oral contraceptive use has been previously associated with an increased risk of suicidal behavior in some, but not all, samples. The use of large, representative, longitudinally-assessed samples may clarify the nature of this potential association. Methods. We used Swedish national registries to identify women born between 1991 and 1995 (N = 216 702) and determine whether they retrieve
Purpose: The use of optical surface systems (OSSs) for patient setup verification in external radiation therapy is increasing. To manage potential deformations in a patient’s anatomy, a novel deformable image registration (DIR) tool has been applied in a commercial OSS. In this study we investigate the accuracy of the DIR as compared to rigid image registration (RR). Methods and Materials: The pos
Objectives: To carry out genetic and serological analyses of a Swiss blood donor and a Danish patient carrying an aberrant ABO phenotype with weak A expression. Background: ABO is the most clinically important blood group system but also one of the most complex. The system antigens are determined by carbohydrate structures generated by A and B glycosyltransferases encoded by the ABO gene. Genetic
The 3D printing industry has been recently affected by two events: the fact that open source (OS) business models are getting momentum, and the widespread diffusion of the Maker Movement. We argue that 3D printers can be conceptualised as innovations which embody both technological and symbolic aspects. If innovations of the first type are solely adopted for their technical utility, innovations wh
