Search for dissertations about: "contact zones"

Showing result 1 - 5 of 47 swedish dissertations containing the words contact zones.

2. 1. Reproductive isolation at contact zones

   Author : Samuel Perini; Göteborgs universitet; []
   Keywords : NATURVETENSKAP; NATURAL SCIENCES; hybrid zone; gene flow; genetic variants; mating; local adaptation; marine species; speciation;

   Abstract : Speciation is among the most important evolutionary processes that contribute to biodiversity. It involves the formation of new species that have become reproductively isolated through a process that is not linear and varies in time and space. READ MORE

4. 2. A typology of comparatives in Sinitic : grammaticalization, patterns and language contact

   Author : Ansaldo Umberto; David Gil; Stockholms universitet; []
   Keywords : HUMANIORA; HUMANITIES; General Linguistics; allmän språkvetenskap;

   Abstract : This dissertation offers a window on the grammatical diversity of Chinese languages, hereafter referred to as Sinitic. It focuses in particular on comparative constructions of southern varieties such as Cantonese, Minnan and Hakka and compares these to northern Mandarin as well as some non- Sinitic languages of Southeast Asia. READ MORE

5. 3. Tradition and Modernity : Images of Jews in Latvian Novels 1934 – 1944

   Author : Anette Reinsch-Campbell; Baiba Kangere; Lars M. Andersson; Stockholms universitet; []
   Keywords : HUMANIORA; HUMANITIES; anti-Semitism; contact zones; dehumanisation; discourse; social distance; identification; image; Jews; Latvianness; modernity; the other; ‘othering’; stereotype; tradition; Baltic languages; Baltiska språk; baltiska språk; Baltic Languages;

   Abstract : Jews have been represented in Latvian literature for centuries. This dissertation investigates the images of Jews in a comprehensive selection of Latvian novels published between 1934–1944 in order to establish whether, and to what extent, the traditional images are subject to change under the pressure of modernity, nationalism and a rapidly changing political situation. READ MORE

6. 4. Atom Probe Field Ion Microscopy of Surface Zones, Coatings and Interfaces

   Author : Anders Kvist; Chalmers tekniska högskola; []
   Keywords : TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; Ag GaAs; ohmiccontact; Au GaAs; Schottky contact; Cu3Au; APFIM; AuGe GaAs; gradient sintering; cemented carbides; CVD;

   Abstract : This thesis is focused on developingmethods for high resolution microanalysis of coatings on a substrate, andsurface zones of a bulk sample using atom probe field ion microscopy,APFIM. The APFIM technique is described and some examples of its applications to semiconductors,cemented carbides and intermetallic compounds are given. READ MORE

7. 5. Fixation of Spinal Implants : Clinical and Experimental Studies on the Effects of Hydroxyapatite Coating

   Author : Bengt Sandén; Acke Ohlin; Uppsala universitet; []
   Keywords : MEDICIN OCH HÄLSOVETENSKAP; MEDICAL AND HEALTH SCIENCES; Surgery; Hydroxyapatite; pedicle screw; histomorphometry; fixation; radiolucent zones; screw loosening; Kirurgi; Surgery; Kirurgi; Orthopaedics; ortopedi;

   Abstract : Loosening of implants is a frequent complication in orthopaedic surgery. The aim of this thesis was to evaluate hydroxyapatite coating of pedicle screws with mechanical and histological methods and to correlate the results with the radiological findings.Hydroxyapatite (HA) coating of pedicle screws was investigated in experimental studies in sheep. READ MORE