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Din sökning på "Identification of severity related mutation hotspots in SARS-CoV-2 using a density-based clustering approach" gav 194658 sökträffar

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The UN Security Council has been questioned ever since the time of its foundation in 1945. Mostly the criticism has evolved around its powerful status in relation to its limited number of seats and the privileges of the permanent members, such as their right to veto, thus, the question is not new. Nonetheless, the change of political circumstances in the 1990s that suddenly enabled the Council to

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This thesis examines the effect of past acquisition experience, industry momentum, past acquisition performance, CEO change, joint ventures and cancelled transactions on the likelihood and performance of subsequent cross-border acquisitions made by Swedish listed companies. We investigate learning effects for acquiring companies by using an organizational learning theory framework and use logit re

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Air pollution is responsible for one in eight premature deaths worldwide, and thereby a major threat to human health. Health impact assessments of hypothetic changes in air pollution concentrations can be used as a mean of assessing the health impacts of policy, plans and projects, and support decision-makers in choices to prevent disease. The aim of this study was to estimate health impacts attri

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Background: Severe diminished foot somatosensation, for example, caused by neuropathies and advanced aging, contributes to balance deficits and increased fall risk. However, little is known about somatosensory impairment and functional and subjective balance problems in relatively healthy elderly. Method: Vibration perception thresholds (VPTs) were assessed with a biothesiometer and tactile pressu

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In this work, we experimentally study the effects of the nitrogen concentration in laser wakefield acceleration of electrons in a gas mixture of hydrogen and nitrogen. A 15 TW peak power laser pulse is focused to ionize the gas, excite a plasma wave and accelerate electrons up to 230 MeV. We find that at dopant concentrations above 2% the total divergence of the electrons is increased and the high

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Exponential integrators are becoming increasingly popular for stiff problems of high dimension due to their attractive property of solving the linear part of the system exactly and hence being A-stable. In practice, however, exponential integrators are implemented using approximation techniques to matrix-vector products involving functions of the matrix exponential (the so-called ϕ-functions) to m

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Background: Although mindfulness-based group therapies (MGTs) for depressive, anxiety or stress and adjustment disorders are promising, there is a substantial lack of knowledge regarding the long-term improvements after such therapies in these common psychiatric disorders. Methods: Two hundred and fifteen patients were randomized in a randomized clinical trial (RCT) (ClinicalTrials.gov ID: NCT0147

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The fermentability and pattern of short-chain fatty acids (SCFA) formed in the hindgut of rats given various combinations of dietary fibers (DF) and resistant starch (RS) were investigated. Highly fermentable indigestible carbohydrates, i.e., guar gum (GG), pectin (Pec) and high amylose cornstarch (HAS), and a DF with a relatively high resistance to fermentation, i.e., wheat bran (WB), were includ

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From the results of the study presented, it can be concluded that, in a group of patients not using contraceptive pills, a significant difference is noted in the frequency of acute appendicitis and the number of appendectomies performed in the different phases of the menstrual cycle. This difference almost disappears in the group of patients using the contraceptive pill. These results suggest that

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Tool wear intensity is one of the major performance and economic indicators of metal cutting processes. Understanding and control of tool wear and its governing mechanisms enables effective and sustainable manufacturing. Known wear mechanisms include abrasive, adhesive, chemical and diffusional, where their individual or combined action leads to an overall tool degradation. In this study, we prese

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Several important technical properties of spray-dried food powders depend on particle-liquid interactions (e.g. wettability, dispersability) and particle-particle interactions (e.g. flowability). It can be assumed that the chemical composition of the surface layer of the particles to a large extent determine these properties. The present study has been aimed to investigate the relation between the

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This study analyzes the transition to mechanized forest management and the implementation of sustainable-yields forestry in Sweden during the 1950s and 1960s. The objective is to produce insights that are relevantfor policymakers working with forests and the climate transition today. The analysis focuses on how the Swedish National Association of Forest Owners’ Associations (SSR)—an association or

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In this article I look at two works by Swedish video artist Lina Selander and explore how underlying visual patterns unfold in these works that are connected to certain worldly phenomena. Borrowing from Jacques Derrida, I describe the tendency of being en mal d'archive as an obsession to structure the world into particular recognizable patterns. I argue that Selander's works can be understood as t

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Collective properties at low and high spin for nuclei with Z ≥ 64 and N ≥ 82 are calculated on the basis o f deformed single-particle potentials. The calculations are confronted with the available experimental data like low-lying octupole bands, rotational bands of transitional nuclei with N ≥ 90 and evidence for collectivity in high-spin single-particle spectra. In the latter collective triaxiali

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Introduction: Patients with severe haemophilia A (HA) with no family history of haemophilia will be diagnosed upon their first bleeding event. Methods: Herein, we studied the effects of lack of family history in HA and the subsequent delay of diagnosis on bleeding pattern and early treatment, as well as on the risk of inhibitor development. For this purpose, data on 1237 severe HA patients with kn

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Many European countries have adopted the American model of doctoral training and academic evaluation. While this model suits America’s vast, mobile labour market, in Europe it has created perverse incentives and distorted research priorities. This column argues that Europe needs a more pluralistic, socially grounded, and inclusive system for the training of economists. It proposes a two-track appr

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IntroductionResearch evidence suggests that radiographers often rely on previous training, traditional practices, work experience and protocols developed within the department rather than up-to-date research-based evidence in their daily practice. The aim of the study was to investigate factors that might impact the development of evidence-based practice amongst radiographers in clinical public se