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Din sökning på "2025" gav 18682 sökträffar

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Chemically enhanced primary treatment (CEPT) followed by microsieving and direct membrane filtration (DMF) as ultrafiltration, was evaluated on pilot scale at a municipal wastewater treatment plant. In addition, a granular activated carbon (GAC) filter downstream of DMF was evaluated for the removal of organic micropollutants. Up to 80% of the total organic carbon (TOC) and 96% of the total phosph

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Electric vehicles (EVs) are vital for a decarbonized society, but the rapid growth of the EV market highlights an impending lithium supply crisis. This study integrates supply-demand analysis with trade network simulations, using eight lithium demand scenarios and two supply scenarios to examine regional lithium dynamics and the impact of international trade. Results show that while domestic lithi

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A combination of searches for the single production of vectorlike top quarks ((Formula presented)) is presented. These analyses are based on proton-proton collisions at (Formula presented) recorded in 2015-2018 with the ATLAS detector at the Large Hadron Collider, corresponding to an integrated luminosity of (Formula presented). The (Formula presented) decay modes considered in this combination ar

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The high-luminosity phase of LHC operations (HL-LHC), will feature a large increase in simultaneous proton-proton interactions per bunch crossing up to 200, compared with a typical leveling target of 64 in Run 3. Such an increase will create a very challenging environment in which to perform charged particle trajectory reconstruction, a task crucial for the success of the ATLAS physics program, an

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Charged Higgs bosons produced either in top-quark decays or in association with a top quark, subsequently decaying via (Formula presented), are searched for in (Formula presented) of proton-proton collision data at (Formula presented) recorded with the ATLAS detector. Depending on whether the top quark is produced together with the (Formula presented) decays hadronically or semileptonically, the s

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This paper describes an algorithm for reconstructing and identifying a highly collimated hadronically decaying τ-lepton pair with low transverse momentum. When two τ-leptons are highly collimated, their visible decay products might overlap, degrading the reconstruction performance for each of the τ-leptons. A dedicated treatment attempting to tag the τ-lepton pair as a single object is required. T

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A search is performed for light, spin-0 bosons decaying into two photons in the 66 to 110 GeV mass range, using 140 fb−1 of proton-proton collisions at s = 13 TeV produced by the Large Hadron Collider and collected by the ATLAS detector. Multivariate analysis techniques are used to define event categories that improve the sensitivity to new resonances beyond the Standard Model. A model-independent

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We report resonant inelastic x-ray scattering (RIXS) spectra of neon atoms interacting with intense x-ray pulses generated using an x-ray free-electron laser (XFEL). We find that an unexpected peak emerges near the Ka line of Ne, which does not coincide with any physical resonances of neon ions. We perform theoretical calculations based on a quantum-state-resolved rate-equation approach with x-ray

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Biodiversity in human-dominated landscapes is declining, but evidence-based conservation targets to guide international policies for such landscapes are lacking. We present a framework for informing habitat conservation policies based on the enhancement of habitat quantity and quality and define thresholds of habitat quantity at which it becomes effective to also prioritize habitat quality. We app

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The polymer electrolyte fuel cells are electrochemical devices that can produce electricity, water, and heat through chemical reactions of hydrogen and oxygen. This manuscript focuses on one detailed state of degradation, called as Membrane Chemical Stability and Metrics. The Accelerated Stress Test under study was standardized by the Department of Energy. Recent advancements in the study of degra

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This report presents findings from a case study on food sharing in Utrecht conducted within the CULTIVATE project (Co-designing Food Sharing Innovation for Resilience, https:// cultivate-project.eu/), funded by the EU Horizon Research and Innovation Programme (GA#101083377). It contributes to Task 3.1 in Work Package (WP) 3, examining the economic, social, and environmental dimensions of food shar

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This thesis explores how the heterotopic and liminal dimensions of Munich’s Oktoberfest produced differentiated visitor experiences, and how spatial, temporal, ritual, and social dynamics mediate feelings of authenticity, communitas, and belonging across visitor types. Adopting an interpretivist, social constructionist approach, the thesis combines semi-structured interviews with 15 participants a

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The use of moment-connections with dowel-type connectors and slotted-in steel plates is becoming an increasingly used solution in mid- to high-rise timber structures. In this paper, the moment capacity and rotational stiffness of such moment connections have been studied through a limited experimental campaign with specimens climatised between 30% and 95% relative humidity (RH). The test specimens