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50-talshus: Renovera eller bygga nytt?

Denna studie undersöker och besvarar huruvida det är mer värt ur ett ekonomiskt perspektiv att renovera ett 50-talshus i originalskick än att bygga ett nytt hus när samma krav på inomhusmiljö ställs. Kraven ställs främst på luftkvalitén, men gäller även värmedistribution och levnadssätt. För att få en generell bild och ett resultat som kan användas i övergripande sammanhang har två alternativa utfThis study examines and answers whether it is more profitable from a financial point of view to renovate a 1950s house in its original condition than to build a new house when the same requirements are made regarding the indoor environment. The demands are primarily set on the air quality, but they also apply to heat distribution and lifestyle/usage. In order to get the big picture and a result wh

Swedish healthcare and the EHDS Act: Exploring blocking mechanisms

The EU approved the EHDS in April of 2024, a piece of legislation that regulates how member states store, handle and give access to health data. It presents both opportunities and challenges for member states. Therefore, the focus of this study is to explore and identify any current possible blocking mechanisms in Sweden in relation to the implementation of the EHDS. The study adopts an interpreti

Skönhetsideal och trender på sociala medier

I dagens konsumtionssamhälle präglas konsumenter ständigt av olika trender och skönhetsideal som sprids och förmedlas på sociala medier samt som anses viktiga för vissa konsumenter att följa. Influencers har i takt med detta blivit de nya opinionsledarna som förmedlar trender och skönhetsideal som förväntas följa för att passa in i samhällets normer. Tidigare forskning har fokuserat på hur företag

Migration som säkerhet(iserad) fråga? En idéanalys av Sveriges regeringsförklaringar

Syftet med denna studie är att undersöka hur Sveriges regering framställt migration med särskild betoning på säkerhet i regeringsförklaringar under åren 2014, 2019 och 2022. För att analysera dessa regeringsförklaringar har studien tillämpat Köpenhamnsskolans säkerhetiseringsteori, som utforskar hur frågor omvandlas till säkerhetsproblem snarare än att behandlas vanliga politiska eller socioekonom“Migration as a securitization question? An idea analysis of Sweden's governments declaration” The purpose of this study is to examine how Sweden's government in the years 2014, 2019, and 2022 has presented their migration policy, with an emphasis on security. By analyzing government declarations from these years, the study has applied the Copenhagen School’s securitization theory, which e

Efficient Protocols for Forensic DNA Extraction

Optimering av DNA-extraktion för brottsutredande analys Har du någon gång undrat vad som händer med de prov som spårsäkrats på en brottsplats? Omkring 70 000 brottsplatsspår analyseras årligen på Nationellt forensiskt centrum (NFC) i syfte att kunna knyta det till en person genom framtagning av en DNA-profil. Detta görs via STR-analys, där korta upprepande fragment i DNA:t analyseras. Eftersom indDNA extraction is a fundamental step in forensic analysis, directly impacting the accuracy of subsequent analysis. At the Swedish National Forensic Centre (NFC), ChelexDirect is currently the routine method for DNA extraction. Following extraction, samples are analyzed using Polymerase Chain Reaction (PCR) and Short Tandem Repeat (STR) analysis to obtain a DNA profile. The objective of this study

Wind Offshore Power Forecasting - A comparative analysis of forecasting accuracy between Machine Learning and classical Time Series models

This thesis investigated the prediction accuracy of offshore wind power using machine learning and classical time series methods. We used Support Vector Regression (SVR) with a Radial Basis Function (RBF) kernel along the Autoregressive (AR) model. Time series cross-validation with data from the Lillgrund Wind Farm and hyperparameter tuning were used to enhance the performance of both models. Thro

Satellite remote sensing of agricultural land for monitoring of soil health

Favouring good soil health is pivotal for ensuring long term agricultural production by minimizing erosion, increasing soil carbon content, increasing the soil water holding capacity and decreasing the soil bulk density. Certain land management practices can disfavour factors for soil health and in-extent lead to soil degradation which can threaten food production and natural habitats. Soil organi

Is agricultural management promoting carbon sequestration better for the climate? Comparing the carbon footprint of intervention management and conventional management using an LCA

Jordbrukets matproduktion är helt nödvändigt för mänskligheten, samtidigt som det moderna jordbruket bidrar till en stor klimatpåverkan. Produktion av konstgödsel och bekämpningsmedel, dieseldrivna traktorer och skördetröskor och transporter orsakar en stor del av problemet, utsläppen från våra jordar en annan. Intensiv odling leder ofta till att organiskt kol som varit bundet i marken går förloraImproved management of agricultural soils to sequester carbon from the atmosphere is considered an important climate mitigation measure. Intensive agriculture often leads to degradation of soil organic carbon (SOC), contributing to climate change and loss of soil ecosystem services. Interventions in agricultural management can halt or reverse the loss of SOC. Annual SOC change rates for interventi

Exploring the Impact of Generative AI on UX Design: Understanding the Dynamics of AI Integration

This thesis examines the integration and impact of Generative AI (GenAI) on UX design, emphasizing human-AI collaboration and task complexity. Utilizing AI Sensemaking and Actor-network Theory (ANT), the study reveals that GenAI tools have transitioned from experimental aids to essential components in the design process, significantly enhancing productivity, particularly in prototyping and idea ge

Kaffe blir till guld

Examensarbetets titel: Kaffe blir till guld - En studie om hur ledare i högteknologiska företag anpassar sitt ledarskap för distansarbete och kontorsarbete Seminariedatum: 30 maj, 2024 Ämne/Kurs: FEKH49 – Examensarbete i organisation på Kandidatnivå, 15 HP. Författare: Johannes Gustavsson, Joel Hansius, Daniel Lilja Handledare: Olof Hallonsten Nyckelord: Hybridarbete, informella möten, ledarskap, Title: Coffee becomes gold: A study examining how high-technology companies adjust their leadership when in response to hybrid work arrangements. Date of seminar: May 30th, 2024 Course: FEKH49 – Business Administration: Bachelor’s degree project in organization. Undergraduate level, 15 credits. Authors: Johannes Gustavsson, Daniel Lilja, Joel Hansius Supervisor: Olof Hallonsten Keywords: Hybrid w

A cost-perspective on redistribution of aftermarket parts at Sandvik Stationary Crushing and Screening

Manufacturing companies face mounting pressure to reduce inventory levels because of high interest rates, while simultaneously meeting an increase in customer demands for shorter lead times and customizable products, increasing strain on supply chains. The logistics department (SMCL) within Sandvik, the investigated company, operates several warehouses around the world. Their supplier network is b

Navigera i osäkerhet

Translated title: Navigating in uncertainty Subtitle: A qualitative study on the port's organizational strategies and its relationship with external risks University/programme: Lund university, Logistics Service Management Course: LGMK 65 Authors: Albin Persson, Selin Onay Supervisor: Malin Andersson Number of pages: 48 This study aims to understand how external risks impact ports. We w

Expanding an adaptive learning-rate algorithm to handle mini-batch training

Resilient backpropagation, Rprop, is a robust and accurate optimization method used in neural network training with batch-learning. As a result of its adaptive step sizes, Rprop requires copious amounts of data at each iteration which slows it down when dealing with large datasets, compared with mini-batch methods. We create and empirically evaluate a version of Rprop, S-Rprop, which can handle mi

Bridging Social Divides: Understanding the Impact of Economic and Social Inequality on Employment in Italy

This study examines how individual background factors in Italy influence employment quality, focusing on different labour market outcomes, namely income, employment duration, contract type, and part-time work using data from the Survey on Household Income and Wealth (SHIW). Results show that parental education and household wealth impact labour income, with wealth effects diminishing at higher inc

Validation of Combustion Models Using Sustainable aviation Fuels

The aviation industry is under increasing pressure to mitigate its environmental impact, particularly concerning greenhouse gas emissions. Traditionally, commercial aviation has relied on conventional kerosene-based fuels. Recent advancements and environmental concerns have prompted the exploration of Sustainable aviation fuels (SAF), with initiatives like the Commercial Aviation Alternative Fuel

Mellan två skärmar: En kvalitativ studie baserad på chefers upplevelser under hybridarbete

Examensarbetets titel: Mellan två skärmar - En kvalitativ studie baserad på chefers upplevelser under hybridarbete Seminariedatum: 30 maj 2024 Kurs: FEKH49 - Examensarbete i organisation på kandidatnivå, 15 högskolepoäng Författare: Nathalie Lindström, Sofia Norlin och Axel Rosenberg Handledare: Nadja Sörgärde Fem nyckelord: Chefers arbete, chefers roll, hybridarbete, identitetsarbete, förändrings

Sharenting Abroad: Immigrant Mothers’ Perceptions on the Effects of Sharenting

Sharenting, där föräldrar delar bilder av sina barn på sina sociala medieplattformar, är ett relativt nytt fenomen i världen av sociala medier, liknande en online version av det traditionella familjefotografiet. Det kan användas som ett passivt sätt att bjuda in geografiskt avlägsna nära och kära till invandrade mödrar och deras barns liv. Den här kandidatuppsatsen fokuserar på sharenting i sambanSharenting, where parents share pictures and videos of their children on their social media platforms, is a relatively new phenomenon in the world of social media, akin to an online version of traditional family photography. Sharenting can be used as a passive way of inviting geographically distant loved ones into the lives of immigrant mothers and their children. This thesis focuses on sharenting

Limiting the Formation of Carbon Monoxide in the Formox-Process

De flesta associerar förmodligen ordet katalysator med bilkatalysatorer där smutsiga avgaser från fordon renas genom att gasen får reagera med syre och därmed bilda mindre skadliga produkter. Så kallade heterogena katalysatorer är ofta metalloxider och de används i många industrier för att möjliggöra kemiska reaktioner. Ett sådant exempel är Formox-processen, där en katalysator bestående av järnmoIn the Formox-process, methanol is converted to formaldehyde via partial oxidation on a heterogeneous iron-molybdate catalyst. To an extent, the formed formaldehyde (FA) is over-oxidized into carbon monoxide (CO) which cannot be recycled into FA. As CO affects the environment negatively and decreases the process economy, internal attempts have previously been made to decrease the CO formation of t