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Visar resultat 16 - 20 av 135 avhandlingar som matchar ovanstående sökkriterier.

1. 16. Evaluation of Sigma-Delta-over-Fiber for High-Speed Wireless Applications

   Författare :Ibrahim Can Sezgin; Chalmers tekniska högskola; []
   Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; energy harvesting; wireless power transfer; 1-bit communication; distributed-MIMO; Sigma-delta-over-fiber SDoF ; vertical-cavity surface-emitting-laser VCSEL ; radio frequency RF ; wideband; ultra-high speed communication;

   Sammanfattning : Future mobile communication networks aim to increase the communication speed, provide better reliability and improve the coverage. It needs to achieve all of these enhancements, while the number of users are increasing drastically. LÄS MER

3. 17. Att vara rektor och kvinna

   Författare :Britta Wingård; Uppsala universitet; []
   Nyckelord :SAMHÄLLSVETENSKAP; SOCIAL SCIENCES; Education; head; head and woman; research circle; participatory action research; life historyinterviews; women s learning; real talk; municipalisation of schools; school development; Pedagogik; Education; Pedagogik; pedagogik; Education;

   Sammanfattning : This study is about heads in the Swedish compulsory school. The aim of the study was toincrease the understanding of being a head and a woman without the ambition to explore sexdifferences. To make the study participatory a research circle was chosen as a general framefor the investigation. LÄS MER

4. 18. Wear and Loosening in Cemented Hip Arthroplasty

   Författare :Uldis Kesteris; Lund Ortopedi; []
   Nyckelord :MEDICIN OCH HÄLSOVETENSKAP; MEDICAL AND HEALTH SCIENCES; ortopedi; Kirurgi; traumatology; orthopaedics; Surgery; traumatologi;

   Sammanfattning : The mechanisms of loosening in total hip arthroplasty (THA) and the role of polyethylene (PE) wear debris in this process is unclear. Radiographic measurements showed that THA with 32 mm heads have about 3 times greater volumetric wear than those with 22 mm heads. LÄS MER

5. 19. Morphological antipredator adaptations in water fleas

   Författare :Hans Lord; Göteborgs universitet; []
   Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; Body drag; Daphnia cristata; Reynolds number; viscosity; zooplankton; Bosmina; swimming velocity; cyclomorphosis; sexual dimorphism; head area; helmet angle; trophic condition; allometry; invertebrate predator; fish;

   Sammanfattning : Some Bosmina and Daphnia species have the ability to develop extreme morphological antipredator defences, such as long antennules, high carapaces and helmets. The relative sizes of these plastic traits may differ substantially between populations, and also between individuals within a population, between sexes and during ontogeny. LÄS MER

7. 20. What Role of God and National Curriculum in School life? : A Comparative Study of Schools with a Muslim Profile in England and Sweden

   Författare :Åsa Brattlund; Holger Daun; Geoffrey Walford; Stockholms universitet; []
   Nyckelord :SAMHÄLLSVETENSKAP; SOCIAL SCIENCES; Islamic school; Muslim; Muslim school; Primary school; comparative study; International Education; independent school; school leader; intercultural; confessional school; faith school; religious education; confessional; school head; islamiska skolor; muslim; muslimska skolor; grundskolor; jämförande studie; internationell pedagogik; interkulturell; konfessionella skolor; religiösa skolor; skolledare; International education; Internationell pedagogik; internationell pedagogik; International Education; Didactics;

   Sammanfattning : The purpose of this study is to gain a better understanding of principles and ethics that dominate four schools with a Muslim profile, two in Sweden and two in England.The specific objectives of the study are:  to examine educational policies with regard to primary schools with a confessional orientation in Sweden and England; to compare two primary schools with a Muslim profile in Sweden with two such schools in England; and in these four schools to describe and examine the manner in which school heads, teachers and other staff deal with the encounters between the values found in the national curriculum of Sweden and England respectively and the principles and ethics embodied in their private philosophy of life; to describe and examine the views of school heads, teachers and other staff on school leadership and any educational, ideological or personal role model they emulate; to describe and examine the expectations and views of parents with regard to the school with a Muslim profile; and describe the views of the pupils regarding their schools and the norms and values in school and; finally, to examine the attitudes of some local authority politicians in Sweden to MP schools. LÄS MER