Search for dissertations about: "Phd dissertations"

Showing result 1 - 5 of 975 swedish dissertations containing the words Phd dissertations.

  1. 1. Plants as Sources of Natural and Effective Acaricides Against Ixodes ricinus  (Acari: Ixodidae)

    University dissertation from Uppsala : Acta Universitatis Upsaliensis

    Author : Fawzeia Elmhalli; Uppsala universitet.; [2019]
    Keywords : NATURVETENSKAP; NATURAL SCIENCES; Acaricidal; Ixodes ricinus; Libyan plants; essential oils; Plant-derived acaricides.; Biology with specialization in Systematics; Biologi med inriktning mot systematik;

    Abstract : Ticks and tick-borne diseases are major health hazards worldwide, with increasing numbers of cases of Lyme disease and tick-borne encephalitis reported yearly. Meanwhile, concerns about the environmental impact and safety of chemical acaricides are driving research into alternative control methods, such as plant-based acaricides. READ MORE

  2. 2. On the complexity of dealing with introduced plants as cultural heritage : a historical multidisciplinary study of plants introduced to Norway from 1750 to 1900, exemplified with Abies alba Mill. (European silver fir) as a case species

    University dissertation from Ås : Norwegian University of Life Science, Faculty of Landscape and Society

    Author : Ulrika Ridbäck; [2018]
    Keywords : HUMANIORA; HUMANITIES; NATURVETENSKAP; NATURAL SCIENCES; LANTBRUKSVETENSKAPER; AGRICULTURAL SCIENCES; plants; flora; Norway; European silver fir; Abies alba; plant introduction; history; landscape management;

    Abstract : .... READ MORE

  3. 3. Regulation of thromboinflammation in therapeutic medicine Special focus on surface coating strategies

    University dissertation from Uppsala : Acta Universitatis Upsaliensis

    Author : Sana Asif; Uppsala universitet.; [2019]

    Abstract : Biomaterials are an integral part of modern health care and offer potential treatment modalities to diseases and conditions otherwise intractable. However, the critical issue herein is incompatibility reactions. READ MORE

  4. 4. Linear, Non-Linear, and Synchronizing Spin Wave Modes in Spin Hall Nano-Oscillators

    University dissertation from Stockholm : KTH Royal Institute of Technology

    Author : Hamid Mazraati; KTH.; [2018]
    Keywords : NATURVETENSKAP; NATURAL SCIENCES; spin Hall effect; spin Hall nano-oscillators; threshold current; microwave; spin wave; synchronization; Physics; Fysik;

    Abstract : Spin Hall nano-oscillators (SHNOs) are nanoscale spintronic devices that generate microwave signals with highly tunable frequency. This thesis focuses on improving the signal quality of nanoconstriction-based SHNOs and also on developing a better understanding of their magnetization dynamics. READ MORE

  5. 5. Designing an Information System for Open Innovation – Bridging the Gap between Individual and Organisational Creativity

    University dissertation from Tampere, Finland. : Tampere University Press

    Author : Mikko Ahonen; [2011]
    Keywords : NATURVETENSKAP; NATURAL SCIENCES; information system; open innovation; creativity; inventing; human resource development; learning;

    Abstract : History shows that those companies that continue to invest in their innovative capabilities during tough economic times are often those that prosper when growth returns. Recently, information systems (IS) have been harnessed to support innovation. Even with IS support, innovation campaigns and suggestion management systems often end up in failure. READ MORE