Sökning: "shrinking space"

Visar resultat 1 - 5 av 11 avhandlingar innehållade orden shrinking space.

1. 1. Electron Heating and Acceleration at Earth’s Collisionless Bow Shock

   Författare :Martin Lindberg; Andris Vaivads; Philippe Savoini; KTH; []
   Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; Electron; heating; Acceleration; MMS; Shock; space; plasma; Electrical Engineering; Elektro- och systemteknik;

   Sammanfattning : Cosmic rays are ultra-relativistic particles traveling near the speed of light permeating the galaxy. Collisionless shock waves with their ubiquity throughout the universe and excellent capability of accelerating charged particles offer an explanation to the origin of cosmic rays. LÄS MER

3. 2. Human rights as law, language, and space-making : women’s rights movement in post-revolutionary Egypt

   Författare :Emma Sundkvist; Lena Halldenius; Linde Lindkvist; Mulki Al-Sharmani; Mänskliga rättigheter; []
   Nyckelord :SAMHÄLLSVETENSKAP; SOCIAL SCIENCES; HUMANIORA; HUMANITIES; Egypt; Human rights; Women s movement; Post-revolution; Feminist activism; Mänskliga rättigheter; Kvinnorörelsen; Mänskliga rättigheter; Human Rights; Egypt; Human rights; Women s movement; Post-revolution; Feminist activism;

   Sammanfattning : This dissertation analyses feminist activists’ use of human rights in post-revolutionary Egypt from 2011 to 2019. Drawing on interviews with feminist activists under three fieldwork trips, the dissertation investigates how: activists tried to implement gender equality in the country’s new constitutions, navigated the shrinking public space after 2013, sustained their activism against sexual violence despite a fragmented movement and repressive politics, and how we can understand contentious streets activism against sexual violence from a human rights perspective. LÄS MER

4. 3. Extreme Electron Beams and Brilliant X-rays : Generation, Manipulation and Characterization of Relativistic Electron Beams for and from Plasma-Based Accelerators

   Författare :Jonas Björklund Svensson; Atomfysik; []
   Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; NATURVETENSKAP; NATURAL SCIENCES; NATURVETENSKAP; NATURAL SCIENCES; laser; plasma; wakefield; acceleration; accelerator; relativistic; electrons; x-rays; ultra-fast; betatron; laser-wakefield acceleration; plasma-wakefield acceleration; Fysicumarkivet A:2020:Björklund;

   Sammanfattning : This thesis is based on work done by the author on the development of plasma-based electron accelerators driven by ultra-intense laser pulses and dense electron bunches. Plasma based accelerators have several benefits, such as accelerating fields around 1000 times stronger than in “conventional” radio-frequency accelerators, which can allow for shrinking the overall footprint of the accelerator. LÄS MER

5. 4. Reconfigurable Impedance Matching Networks for Radio Receivers

   Författare :Peter Sjöblom; Institutionen för elektro- och informationsteknik; []
   Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; Electrical engineering; Telekommunikationsteknik; Telecommunication engineering; Elektronik; Electronics; reconfigurable matching; switched capacitor; antenna tuning unit; impedance tuning unit; High frequency technology; Elektroteknik; microwaves; Högfrekvensteknik; mikrovågor;

   Sammanfattning : Mobile phones become smaller but include more advanced functions for every new generation. This paradox is possible since reduced transistor size and increased integration of digital building blocks free space for new functions. LÄS MER

7. 5. Orter i stadens närhet

   Författare :Peter Sundström; Ulf Wiberg; Örebro universitet; []
   Nyckelord :SAMHÄLLSVETENSKAP; SOCIAL SCIENCES; Urbanisation; urban sprawl; counter-urbanisation; peri-urbanisation; ex-urbanisation; planning; urban development; sociodemographic differentiation; Örebro; localities; Social and Economic Geography; Kulturgeografi;

   Sammanfattning : This thesis examines localities in the vicinity of cities, starting with Ekeby- Almby which is situated near Örebro. In the past twenty years, Ekeby- Almby has experienced vast sociodemographic changes. These lines of development give rise to a number of questions. LÄS MER