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In recent years, technological developments have been the focal point of the discussion in the shipping industry. The two main topics have been a general discussion on IT security and a discussion about autonomous ships. Concerning IT security, the discussion has been focused on the industry's knowledge in the field and preparedness for any attacks or mishaps that can affect companies that ar
Anthropogenic land-use covers a constantly increasing fraction of the terrestrial surface area. By employing a dynamic global vegetation model, human-induced changes in the terrestrial water balance as compared to an undisturbed scenario were simulated. The results suggest that humanity is a main driver of change in the terrestrial water balance in general and green water in particular. Most strik
Back in the mid 1900s, Zimbabwe was one of the most developed states in Africa with well-established infrastructure and a flourish economy thanks to inter alia agricultural exports and industries, among other things. A survey has been performed in order to evaluate the socio-economic conditions in Zimbabwe. This paper uses the fore mentioned study to investigate the challenges and problems that ca
Pitting corrosion on 316L stainless steel has been widely studied, but knowledge is lacking within food processing environments. A new test setup was developed to enable electrochemical measurements inside a heat exchanger (pasteurizer) where solutions can be heated and cooled rapidly, allowing for corrosion tests of solutions that do not withstand high temperatures for a long period of time. Afte
Introduction Both M. Supraspinatus and M. Infraspinatus of the rotator cuff play a role in stabilizing the shoulder during movement. When rehabilitating shoulders after injury a wide range of tools are used to strengthen the shoulder, often including a pulley system or TheraBand. According to evidence, no tool does however stand out as the most optimal one to use. Purpose The purpose of this study
This master's thesis explores the potential of integrating floating wind power into Power-to-X (P2X) megaprojects, with a focus on maximizing the output of chemical energy carriers through optimal energy mix strategies. The study evaluates the economic viability and technological efficiency of combining floating wind turbines with photovoltaic panels and battery energy storage systems (BESS) i
This paper introduces some theoretical concepts based on optimality theory that may be applied to bat migration. Most predictions are based on flight mechanics and potential flight range. Optimal behavior will depend on the relevant immediate currency, such as safety, time, or energy. Predictions concern optimal flight speeds, stopover duration, fuel load at departure, and the adaptive use of wind
We demonstrate a pulse generator based on a GaAs-AlGaAs gated resonant tunneling diode (RTD). This is realized by integrating a third terminal, the gate, into the current path of a RTD. The gate consists of a 200 A thick tungsten grating buried 300 A above the RTD. This implementation allows for control of the current through the RTD. By integrating this device in parallel with an on-chip inductan
I barnkonventionens artikel 34 stadgas ett krav på att konventionsstaterna ska skydda barn mot alla former av sexuellt utnyttjande och sexuella övergrepp. Uppsatsens syfte är att utreda vad detta krav på skydd innebär. Till uppsatsens syfte hör också att utreda om det finns någonting Sverige, som konventionsstat, kan göra för att i större grad anses leva upp till kravet på skydd för barn mellan 15Article 34 in the United Nations Convention on the Rights of the Child stipulates that the State Parties undertake to protect children from all forms of sexual exploitation and sexual abuse. The purpose of this essay is to examine what the requirements of protection means. Furthermore, it will be examined if there is anything Sweden, as a State Party, can do to improve its compliance with the requ
Avbildning genom detektion av Cherenkovstrålning är en nuklearmedicinsk bildtagningsmetod där man utnyttjar det synliga ljus som kallas Cherenkovstrålning. Detta ljus sänds ut när hastigheten hos en laddad partikel överstiger hastigheten av ljuset i ett visst medium och kan användas för att lokalisera fördelningen av en radionuklid i en kropp. Syftet med denna studie är att undersöka möjligheten aCherenkov emission imaging is a new optical imaging technique in nuclear medicine that takes advantage of the fact that most positron emitting radionuclides have a sufficient energy to produce Cherenkov photons. The Cherenkov photons can then be detected with sensitive CCD camera systems. Due to the recent demonstration of detectable amounts of Cherenkov light escaping from nuclide bearing mice th
Att jordbruksmark bebyggs har under senare tid blivit en alltmer aktuell fråga och har skapat debatt kring skyddet av jordbruksmark. Lagstiftningen om detta skydd återfinns i 3 kap. 4 § miljöbalken (1998:808) där det anges att jordbruk är av nationell betydelse. Vidare gäller enligt paragrafen att brukningsvärd jordbruksmark får bebyggas för väsentliga samhällsintressen endast om inte annan mark, The fact that agricultural land is being exploited has become a more present question and has created a debate regarding the protection of agricultural land. The legislation of this protection is found in Chapter 3 Section 4 of the Swedish Environmental Code (1998:808) which states that agriculture is a national interest. Furthermore, it states that land suitable for cultivation may be exploited f
Purpose: To analyse risk of osteoporotic fractures in foreign-born individuals migrating to Sweden at different ages, compared to Swedish-born individuals. Methods: This was a nationwide open cohort study including individuals ≥30 years of age at baseline (N = 4,715,081). Foreign-born individuals were divided as having arrived to and being registered in Sweden from the ages 0–30 years of age or >3
Resuspension of road dust contributes to air quality issues with resulting health impacts. Limited studies imply that porous pavements can initially mitigate PM10 emissions by acting as a dust trap, but the abrasion wear generates road dust and thus accelerates the clogging processes. In addition, knowledge regarding the impact of pavement types on road dust load dynamics is limited. Road traffic
This paper examines how organisational boundaries shape the relationship between collaboration and research performance in universities. Using meso-level co-authorship networks and matched registry data from 83 German universities between 2006 and 2019, this study advances the understanding of how organisational structures condition collaborative knowledge production and its research performance o
This article explores two works by Swedish artists Emanuel Cederqvist and Henrik Andersson that relate to the vast alpine areas of Norrland in the far north of Sweden. In both works, the artists relate their experiences of the area as it exists today as well as the layers of its history through both archival material and their own photographs. More specifically, both artists use material that show
Forests provide grounds for human well-being through direct material, indirect environmental, and immaterial contributions. Here, we analyze the example of Hispaniola to understand reasons for (un)sustainable forest use. We pursue a dynamic comparative case study of the island's two countries from a political ecology perspective. From the literature, we derive a set of socio-economic hypotheses fo
