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Grophusben från en vendeltida gård : Osteologisk analys av djurben från Öllsjö 67:1
Denna rapport behandlar den osteologiska analysen av djurbenen från en arkeologisk slutundersökning i fastigheten Öllsjö 67:1 (L1987:3648). Analysen omfattar ben från fem grophus och en härd som daterats till yngre järnålder, med tyngdpunkt på vendeltid. Denna rapport redovisar resultaten från denna analys, samt från två kompletterande 14C-dateringar av ben från två grophus. Analysen har skett ino
Osteologisk analys av djurben från ett sent vikingatida/tidigmedeltida gårdsläge vid Öllsjö
Denna rapport behandlar den osteologiska analysen av djurbenen från en arkeologisk slutundersökning av Öllsjö by i fastigheten Öllsjö 6:22, Skepparslövs socken (L1990:5301), år 2002. Analysen omfattar ben från ett gårdsläge daterad till sen vikingatid-tidigmedeltid. Denna rapport redovisar resultaten från denna analys, samt från två kompletterande 14C-dateringar av ben från två grophus. Analysen h
Protein-altering germline mutations implicate novel genes related to lung cancer development
Few germline mutations are known to affect lung cancer risk. We performed analyses of rare variants from 39,146 individuals of European ancestry and investigated gene expression levels in 7,773 samples. We find a large-effect association with an ATM L2307F (rs56009889) mutation in adenocarcinoma for discovery (adjusted Odds Ratio = 8.82, P = 1.18 × 10−15) and replication (adjusted OR = 2.93, P = 2
Surface rheology and morphology of beer protein and iso-humulone at air-liquid surface
Foam is one of the unique properties of beer, but how the amphiphilic components stabilize the foam is still not fully understood. This study concerns the main surface active components. For this purpose, protein from barley and iso-humulone from hop, were extracted from raw materials separately to be able to consider their effect separately and in the controlled mixture. The layers were formed in
Temperature dependence of the laminar burning velocity for n-heptane and iso-octane/air flames
The heat flux method is advantageous for obtaining adiabatic stretch-less flame and measuring laminar burning velocity, SL, with low uncertainty. However, its implementation is sometimes hampered by the instability, manifested as cellularity of the flame stabilized over a flat perforated burner. This paper summarizes the approaches of flame cellularity abatement on the heat flux burner, which are
Pathway analysis of skeletal kinetic mechanisms for small alcohol fuels at engine conditions
Seven skeletal reaction mechanisms are presented to highlight key chemistry for mechanism reduction of small alcohol fuels at engine conditions. The mechanisms predict ignition delay times, laminar burning velocity, and extinction strain rate, within 5% of their corresponding complex mechanisms used as a start point for reduction. The mechanisms were developed for equivalence ratio range of 0.7–1.
Effects of dynamic street lighting on walking speed and reading perfomance : a full-scale laboratory study
Dynamic lighting systems are introduced in urban outdoor environments with the objective to reduce energy use. Effects on pedestrians are not fully known. Previous studies have mainly used observer assessment (Viliunas et al., 2014), and focused on perceived personal safety (Haans & de Kort, 2012) or acceptance (Boomsma & Steg, 2013). In this study, performance (walking speed and reading)
Exposure to wood smoke particles leads to inflammation, disrupted proliferation and damage to cellular structures in a human first trimester trophoblast cell line
The ongoing transition to renewable fuel sources has led to increased use of wood and other biomass fuels. The physiochemical characteristics of biomass combustion derived aerosols depends on appliances, fuel and operation procedures, and particles generated during incomplete combustion are linked to toxicity. Frequent indoor wood burning is related to severe health problems such as negative effec
Enhanced distribution kinetics in liquid-liquid extraction by CO2-expanded solvents
Liquid-liquid extraction (LLE) is a useful extraction technique for highly complex samples, however, it suffers from being slow due to mass transfer limitations. Carbon dioxide expanded liquids (CXL) is a good replacement of traditional organic solvents for extraction, and for the first time, the use of CXL in LLE was evaluated. An equipment consisting of a high-pressure view cell with on-line gas
Sharing economy business models for sustainability
Background: The predominant focus of academic research on the sharing economy has been on Airbnb and Uber; to this extent, the diversity of business models ascribed to the sharing economy has not yet been sufficiently explored. Greater conceptual and empirical research is needed to increase understanding of business models in the sharing economy, particularly attributes that deliver on its purport
The future of evacuation drills : Assessing and enhancing evacuee performance
Evacuation drills are generally the main mechanism for improving or measuring occupant performance in emergency situations, but their effectiveness is often hard to measure, and there is limited evidence for sustained training benefits. However, innovations in technology (e.g., augmented/virtual reality, novel sensors and wearable tech) offer (when combined with new approaches to designing and del
Biomarker profiling beyond amyloid and tau : cerebrospinal fluid markers, hippocampal atrophy, and memory change in cognitively unimpaired older adults
Brain changes occurring in aging can be indexed by biomarkers. We used cluster analysis to identify subgroups of cognitively unimpaired individuals (n = 99, 64–93 years) with different profiles of the cerebrospinal fluid biomarkers beta amyloid 1–42 (Aβ42), phosphorylated tau (P-tau), total tau, chitinase-3-like protein 1 (YKL-40), fatty acid binding protein 3 (FABP3), and neurofilament light (NFL
Does ‘flight shame’ affect social norms? Changing perspectives on the desirability of air travel in Germany
‘Flight shame’ describes an unease about the climate implications of air travel, and bears evidence of a change in social norms that have so far associated flying with social status. This paper discusses whether Fridays for Future demonstrations and ensuing flight shame have influenced social norms regarding the desirability of air travel, and whether this is measurable in a decline in air travel,
Ozone dose dependent formation and removal of ozonation products of pharmaceuticals in pilot and full-scale municipal wastewater treatment plants
The removal of micropollutants from municipal wastewater is challenged by the number of compounds with diverse physico-chemical properties. Ozonation is increasingly used to remove micropollutants from wastewater. However, ozonation does not necessarily result in complete mineralization of the organic micropollutants but rather transforms them into new compounds which could be persistent or have a
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From lab-scale to on-site pilot trials for the recovery of hemicellulose by ultrafiltration: Experimental and theoretical evaluations
Spent sulfite liquor (SSL) is a byproduct of the sulfite pulping process of wood. SSL usually contains monosugars and lignosulfonates, which are fermented to produce ethanol and dried to generate lignosulfonate salts. However, the SSL that was used in this work was derived from the first step of a 2-step sulfite pulping process of softwood under mild pulping conditions in the first stage of cookin
Local attitudes towards management measures for the co-existence of seals and coastal fishery - A Swedish case study
Marine mammals and coastal fisheries are two features commonly associated with thriving marine environments, but it is also a case of wildlife impact on human interests. This paper analyses the seal-fisheries encounter in a Swedish Baltic Sea fishery. The problem concerns seals eating fish from the fishing gear which causes considerable economic losses to small-scale fishermen. This mixed-method s
Revisiting diacetyl and acetic acid flames : The role of the ketene + OH reaction
The mechanism of the reaction of ketene with hydroxyl radical has been studied by ab initio CCSD(T)-F12/cc-pVQZ-F12//B3LYP/6-311G(d,p) calculations of the potential energy surface. Temperature- and pressure-dependent reaction rate constants have been computed using the RRKM-Master Equation and transition state theory methods in the temperature range of 300–3000 K and in the pressure range of 0.01–