Search for dissertations about: "Jonas Svensson"

Showing result 1 - 5 of 7 swedish dissertations containing the words Jonas Svensson.

  1. 1. Contrast-Enhanced Magnetic Resonance Angiography - Development and optimization of techniques for paramagnetic and hyperpolarized contrast media

    University dissertation from Jonas Svensson, Dept Radiation Physics, Malmö University Hospital, SE-205 02 Malmö, Sweden

    Author : Jonas Svensson; [2002]
    Keywords : MEDICIN OCH HÄLSOVETENSKAP; MEDICAL AND HEALTH SCIENCES; egenskaper elektriska; Kondenserade materiens egenskaper:elektronstruktur; spectroscopy; relaxation; Angiography; Magnetic resonance; Contrast-enhanced; Hyperpolarized; Condensed matter:electronic structure; 13C; supraconductors; electrical; magnetic and optical properties; magnetiska och optiska ; supraledare; magnetisk resonans; spektroskopi;

    Abstract : Contrast-enhanced magnetic resonance angiography (CE-MRA) is a diagnostic method for imaging of vascular structures based on nuclear magnetic resonance. Vascular enhancement is achieved by injection of a contrast medium (CM). READ MORE

  2. 2. Active Junction Control and Piezoelectric Hybrid Damping for Improving the Acoustic Performance of Lightweight Structures

    University dissertation from Jonas Svensson, Dept Radiation Physics, Malmö University Hospital, SE-205 02 Malmö, Sweden

    Author : Jonas Svensson; [2011]
    Keywords : TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; Hybrid passive-active control; Piezoelectric shunt damping; Sound radiation; Active junction control;

    Abstract : Weight reduction is a key factor in lowering the fuel consumption and thereby the greenhouse emissions from vehicles. However, reducing the weight normally results in a deterioration of the acoustic performance. Thus, the purpose of this thesis is to investigate damping treatments for lightweight vehicle panels. READ MORE

  3. 3. An impedance approach to passive-active vibration control

    University dissertation from Jonas Svensson, Dept Radiation Physics, Malmö University Hospital, SE-205 02 Malmö, Sweden

    Author : Jonas Svensson; [2008]
    Keywords : TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; Hybrid passive-active vibration control; Active control; Euler- Bernoulli theory.; Impedance matching;

    Abstract : The complementary advantages of active and passive vibration control have motivated research concerning hybrid configurations. Previous studies have mainly focused on active constrained layers (ACL). However, investigations pointing towards suboptimal performance of ACL have made it interesting to investigate other solutions. READ MORE

  4. 4. The role of benthic macrofauna in nitrogen cycling in eutrophic lake sediment

    University dissertation from Department of Limnology, Ecology Building, Sölveg. 37, 223 62 Lund, Sweden

    Author : Jonas Martin Svensson; [1998]
    Keywords : NATURVETENSKAP; NATURAL SCIENCES; NATURVETENSKAP; NATURAL SCIENCES; nitrogen retention; nitrous oxide; oligochaetes; chironomids; mineralisation; nitrification; denitrification; eutrophic; sediment; lake; Macrofauna; nitrogen cycling; fish reduction.; Ecology; Ekologi;

    Abstract : This thesis concerns the role of sediment-living macrobenthos in the cycling of nitrogen species and nitrogen transformation in eutrophic freshwater sediments. In my thesis I have, employing 15N-isotope techniques in laboratory experiments, shown the importance of infaunal chironomid larvae and oligochaetes on denitrification in eutrophic lake sediments. READ MORE

  5. 5. Women's Human Rights and Islam : : a Study of Three Attempts at Accommodation

    University dissertation from Almqvist & Wiksell International

    Author : Jonas Svensson; [2000]
    Keywords : HUMANIORA; HUMANITIES; HUMANIORA; HUMANITIES; HUMANITIES and RELIGION Religion Theology Islamology; HUMANIORA och RELIGIONSVETENSKAP Religionsvetenskap Teologi Islamologi; Religionsvetenskap; Study of Religions; Human rights; gender; Islam; Fatima Mernissi; Riffat Hassan; A.A. an-Na‘im; History of Religions; human rights; women’s human rights; Women’s Convention; CEDAW; globalisation; Qur’an; hadith; historiography; History; Abdullahi Ahmed an-Na‘im.; Historia; Non-Christian religions; Världsreligioner ej kristendom ; Mänskliga rättigheter;

    Abstract : Popular Abstract in Swedish Avhandlingen tar avstamp i en pågående internationell diskussion om kvinnors mänskliga rättigheter och islam. I denna diskussion kan olika muslimska ståndpunkter identifieras. READ MORE