Search results

Nyfikenhet om stjärnorna och galaxerna runt om oss har fascinerat civilisationer i tusentals år. Rörelsen, ljuset, och mönster av himlakroppar har studerats av astronomer som försker förstå universum och dess utveckling. En fascinerande aspekt av studien av ljuset som emitteras från avlägsna stjärnor är att man observerar det förflutna. Dessutom är det detta ljus och strålning som flyr stjärnorna To understand the evolution of our galaxy, the chemical abundance patterns and trends within the stars of the different regions are explored. The process of synthesizing these elements reveals key details about the way the stars and, therefore, the galaxy formed. This project focused on the element potassium, K, and specifically its absorption line 7699 Å. The local thermodynamic equilibrium (LTE)

Freshwater systems are active components of the global carbon cycle and contribute to global CO2 emissions. Freshwater studies in the Arctic are underrepresented, especially regarding lakes and their Dissolved Organic Carbon (DOC) reactivity and composition dynamics. DOC is a main part of DOM (dissolved organic matter), which drives processes central to carbon cycling, influences chemical and biol

Non-fungible tokens (NFTs) are a type of cryptocurrency that consist of unique, non-exchangeable tokens, which are traded on a blockchain. These unique tokens are associated with digital assets such as images, art, videos, or music. With the rapid rise of NFTs’ popularity in 2021, a community established around trading, selling, and collecting of NFTs. This study explored the NFT community at larg

3,5 miljarder år gamla bakterier kan rädda våra vatten från metallutsläpp Långt innan det fanns syre i atmosfären så fanns bakterier som ”andades” svavel. I stället för att andas ut koldioxid andas dessa bakterier ut sulfid, en negativt laddad svaveljon som binder till metaller. På en avfallsanläggning utanför Hässleholm står en testanläggning där man forskar på att minska utsläppen av metaller t

In today's world, it is essential to understand how customer in-store experiences can be successfully transferred to online environments for international jewelry retailers to master their digital transformation. Further, there is an apparent lack of extensive research about the jewelry retailing industry and its customers in academia despite its prominence in the business world. Therefore, th

Rumour refutation is a series of campaigns that the Chinese authorities invest in combating 'the overflow' of network rumours, especially since 2017. These campaigns reflect the Chinese's knowledge of rumour as false and harmful. Among which #PoliceRefuteRumours on social media platform Weibo is one of the most typical forms conducted most explicitly and exposed problematically. Throug

Sustainable development at the local level is greatly impacted by policymaking. In China’s Jingmai Mountain region, the sustainable development policies are centred mostly around the tea industry, due to the social and environmental dynamics surrounding tea in that region. However, considering the complex interlinkages between the tea industry and local environment and society, the policies concer

Traumatic brain injury (TBI) is a common cause of morbidity and mortality in young individuals. Following TBI, the initial injury caused by the head impact is exacerbated by a complex cascade of secondary injury factors leading to increased tissue loss. TBI is an established risk factor for neurodegenerative disorders including Alzheimer disease (AD). In long-term survivors of TBI, increased aggre

The accurate diagnosis of malaria is crucial for ensuring an effective treatment and combating the developing drug resistance of the parasite. The standard diagnostic method, consisting of light microscopy in combination with Giemsa-staining, requires manual examination through a trained clinician. This is time-consuming and prone to human error. While emerging diagnostic innovations can overcome

Understanding the dynamic of a population via either abundance or density is crucial for wildlife conservation. The brown bear (Ursus arctos) is a commonly distributed, yet elusive species, playing a major role in the ecosystem. Usually monitored with genetic sampling, hunted bags, or telemetry data, the use of camera traps for bear monitoring is still to this day a rarely used, yet promising meth

As climate change and unsustainable waste practices present major global challenges, effective waste management in developing countries becomes critically important. In South Africa, organic waste constitutes a significant share of general waste and is often landfilled, contributing to methane emissions and serious health risks for the population. In response, the Western Cape province has introdu

Head and neck squamous cell carcinoma (HNSCC) is a heterogenous cancer with poor prognosis, especially for patients with advanced or recurrent disease. The complex tumor microenvironment (TME) plays an important role in mediating immune evasion and therapy resistance. To improve preclinical testing, advanced 3D in vitro and ex vivo models such as spheroids, organoids, and tumor slice cultures have

Background and objective: We established prognostic nomograms incorporating prostate-specific membrane antigen (PSMA) positron emission tomography (PET) parameters standardised by Prostate Cancer Molecular Imaging Standardized Evaluation (PROMISE; PPP1). Here, we develop an updated PPP2 risk score from a large international multicentre registry study. Methods: We included 6128 prostate cancer pati

Solpaneler på taket är numera en vanlig syn, men vart tar elen vägen när solen skiner som mest? I detta examensarbete har det undersökts hur flerbostadshus kan använda egna batterier för att spara pengar, bli mer självförsörjande och samtidigt stötta elsystemet. Svaret är att batterier kan löna sig, om de används smart. När elnätet blir allt mer pressat och produktionen från förnybar energi varierThis thesis examines the economic potential of lithium-ion battery storage systems in multi-family residential buildings in Sweden, focusing on profitability, revenue opportunities, and the factors influencing investment decisions. The increasing share of renewable electricity, combined with the electrification of society, has intensified the need for energy storage solutions capable of balancing

Importance: The ability to predict sudden cardiac death (SCD) in children and adolescents with hypertrophic cardiomyopathy (HCM) is currently inadequate. Late gadolinium enhancement (LGE) by cardiovascular magnetic resonance (CMR) imaging is associated with SCD events in adults with HCM. Objective: To examine the prognostic significance of LGE in patients with HCM who are younger than 21 years. De

In recent years, low-cost flights to smaller cities in Central and Eastern Europe grew fast. This growth offered tourists new possibilities to explore new, lesser-known destinations at a low price. At the same time, urban tourism is a common strategy for urban regeneration and development in Central and Eastern Europe, and therefore, a significant factor of the economic restructuring of Post-Socia

Scientific summary: Ground settlement due to groundwater drainage during construction is important to be considered since ground settlement may cause severe building damages. The calculation of ground settlement contained several parameters with different magnitude of uncertainties. Thus a risk evaluation of ground settlement is necessary. The aim of this thesis was first to build a soil strata mo

Populärvetenskaplig sammanfattning: Naturbetesmarker är en av de miljöer som håller den hösta biologiska mångfalden i Sverige (Ingelög et al., 1993). Idag finns endast 10-12 % naturbetesmarker kvar (Jordbruksverket 2005a) av de 2 miljoner hektar som fanns i Sverige på mitten av 1800-talet (WWF, 2006). Naturbetesmarkerna innehar en speciell flora som är anpassad för kontinuerlig störning och näring