Sökning: "Oskar Olsson"

Hittade 4 avhandlingar innehållade orden Oskar Olsson.

  1. 1. Immune mediators in people with HIV and tuberculosis

    Författare :Oskar Olsson; Klinisk infektionsmedicin; []
    Nyckelord :MEDICIN OCH HÄLSOVETENSKAP; MEDICAL AND HEALTH SCIENCES;

    Sammanfattning : Tuberculosis (TB) is the most common cause of death among people with HIV (PWH). PWH often have atypical clinical manifestations of TB, and TB disease can therefore be missed. Better screening markers could identify individuals with high likelihood of TB disease. LÄS MER

  2. 2. Essays on Macroeconomics: Wage Rigidity and Aggregate Fluctuations

    Författare :Maria Olsson; Mikael Carlsson; Oskar Nordström Skans; Christian Merkl; Uppsala universitet; []
    Nyckelord :SAMHÄLLSVETENSKAP; SOCIAL SCIENCES; Wages; Unemployment; Monetary Non-Neutrality; Collective Bargaining; Production Networks; Micro-to-Macro;

    Sammanfattning : Essay I: I use Swedish micro data to analyze how firms adjusted their labor costs in response to the large drop in aggregate demand during the Great Recession. For identification, I exploit that the recession primarily hit export-dependent firms in Sweden. LÄS MER

  3. 3. Challenges with Driverless and Unattended Train Operations

    Författare :Emil Jansson; Oskar Fröidh; Nils O.E. Olsson; Ingrid Johansson; Carl-William Palmqvist; Olov Lindfeldt; Ronghui Liu; KTH; []
    Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; Railway; Automatic train operation; Driverless trains; Train driver; Roles; Automation challenges; Human senses; Trackside sensors; Transportsystem; Transport Systems; Transportvetenskap; Transport Science;

    Sammanfattning : Demand for transportation continues to increase, for both freight and passenger services. One of the most energy-efficient modes of transportation is rail. One solution to increase the attractiveness of rail transport is to introduce automatic train operation (ATO) with a high grade of automation (GoA). LÄS MER

  4. 4. Challenges for ERTMS related to implementation, technology and railway capacity

    Författare :Vahid Ranjbar; Oskar Fröidh; Nils Olsson; Olov Lindfeldt; Johan Silfwerbrand; Anders Peterson; KTH; []
    Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; Transportsystem; Transport Systems;

    Sammanfattning : The main purpose of European Rail Traffic Management System (ERTMS) is to remove crossborder barriers and create an interoperable railway network across European countries (Smithet al. 2012). Since its birth, ERTMS has faced several issues regarding interoperability andimplementation. LÄS MER