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Högtidsdag i Svenska Akademien : dåtida och samtida föreställningar om studenters skrivande

Studenters skrivande hamnar då och då i fokus för allmänhetens uppmärksamhet, inte minst genom berättelser i medierna. Att det skett en försämring och att studenterna aldrig skrivit lika illa som nu tas för givet. Det antas innebära att högskolans lärare inte kan syssla med det de ska. Men om man skrapar på ytan märker man att de här föreställningarna funnits länge. I denna text redogör jag för et

SCR-catalyst utilisation and mixing comparison using a novel biomimetic flash-boiling injector

NOx pollution from Diesel engines causes over 10 000 premature deaths annually and the trend is increasing. In order to decrease this growing global problem, exhaust after-treatment systems for Diesel engines have to be improved. The most common SCR systems in the market place inject an aqueous Urea solution, DEF that evaporates prior the catalytic surface of the SCR-catalyst. Due to a catalytic r

NOx-Conversion Comparison of a SCR-Catalyst Using a Novel Biomimetic Effervescent Injector on a Heavy-Duty Engine

NOx pollution from diesel engines has been stated as causing over 10 000 pre-mature deaths annually and predictions are showing that this level will increase [1]. In order to decrease this growing global problem, exhaust after-treatment systems for diesel engines have to be improved, this is especially so for vehicles carrying freight as their use of diesel engines is expected to carry on into the

Global outsourcing of carbon emissions 1995–2009: A reassessment

Increasing global production fragmentation allows for outsourcing of emissions, which may undermine national climate policies. Researchers focusing on the gap between consumption-based and production-based emissions have concluded that developed countries are systematically outsourcing emissions to developing countries. However, asymmetries in emissions embodied in trade may emerge due to differen

Air pollution in relation to very short-term risk of ST-segment elevation myocardial infarction : Case-crossover analysis of SWEDEHEART

Objective: Studies have related air pollution to myocardial infarction (MI) events over days or weeks, with few data on very short-term risks. We studied risk of ST-segment elevation MI (STEMI) within hours of exposure to air pollution while adjusting for weather. Methods: We performed a case-crossover study of STEMI cases in Stockholm, Sweden (Jan 2000–June 2014) based on SWEDEHEART. Exposures du

Parental uncertainty about transferring their adolescent with congenital heart disease to adult care

Aims: To study parent's levels of uncertainty related to the transfer from pediatric to adult care in adolescents with congenital heart disease (CHD) and to identify potentially correlating factors. Background: Parents acknowledge that during transition they struggle with finding ways of feeling secure in handing over the responsibility and letting go of control. Well-prepared and informed parents

Differential outcomes of open and clamp-on distal anastomosis techniques in acute type A aortic dissection

Objectives: Open-distal anastomosis is the preferred technique over clamp-on technique for surgical repair of acute type A aortic dissection (ATAAD). The aim of this study was to define how outcomes of ATAAD were affected by the use of either technique. Methods: Nordic Consortium for Acute Type A Aortic Dissection includes 8 academic cardiothoracic hospitals in 4 Nordic countries. The cohort consi