Sökning: "the present perfect"

Visar resultat 16 - 20 av 115 avhandlingar innehållade orden the present perfect.

1. 16. Aspects of the Grammar and Lexicon of Sεlεε

   Författare :Yvonne Agbetsoamedo; Östen Dahl; Maria Koptjevskaja-Tamm; Felix Ameka; Stockholms universitet; []
   Nyckelord :HUMANIORA; HUMANITIES; Sεlεε; Santrokofi; GTM; grammatical description; noun class; negation; tense; aspect; diminutive; temperature evaluations; Linguistics; lingvistik;

   Sammanfattning : This thesis is a description of some aspects of the grammar of Sɛlɛɛ, a Ghana-Togo-Mountain (GTM) language, based on my own fieldwork. The thesis consists of an introduction and five papers.Paper (I), Noun classes in Sεlεε, describes the noun class system of Sɛlɛɛ. LÄS MER

3. 17. Improving the efficiency of forest fuel supply chains

   Författare :Anders Eriksson; Sveriges lantbruksuniversitet; Sveriges lantbruksuniversitet; []
   Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; LANTBRUKSVETENSKAPER; AGRICULTURAL SCIENCES;

   Sammanfattning : Forest biomass has gained much interest as a resource for renewable energy production world-wide. In Sweden, easily accessible secondary forest fuels, such as by-products from the conventional forest industry, are today already fully utilised. LÄS MER

4. 18. The effect of surface steps and oxides on the catalytic activity on model Pd and Rh catalysts

   Författare :Chu Zhang; Synkrotronljusfysik; []
   Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; NATURVETENSKAP; NATURAL SCIENCES; NATURVETENSKAP; NATURAL SCIENCES; Surface X-ray diffraction SXRD ; X-ray photonelectron spectroscopy; Catalytic activity; Oxide; Single Crystal surface; surface structure; vicinal surface; CO oxidation; stepped surface; Fysicumarkivet A:2018:Zhang;

   Sammanfattning : A catalyst is a substance that can speed up the rate of a chemical reaction without itself being consumed. Catalysts are crucial for chemical production industries, where about 90% of all chemicals are produced using catalysts. LÄS MER

5. 19. Utopology : A Re-Interrogation of the Utopian in Architecture

   Författare :Fredrik Torisson; Institutionen för arkitektur och byggd miljö; []
   Nyckelord :HUMANIORA; HUMANITIES; HUMANIORA; HUMANITIES; HUMANIORA; HUMANITIES; SAMHÄLLSVETENSKAP; SOCIAL SCIENCES; SAMHÄLLSVETENSKAP; SOCIAL SCIENCES; Utopia; Architecture; Networks; Architect; Arboraphobia; Anticipation; Media; Monsters;

   Sammanfattning : Utopia – the word is simultaneously evocative of hope and dread. As a concept it is stupendously problematic, and yet despite its alleged passing into irrelevance, utopia still remains a household word. Why is this so?Utopia has been reduced to a category. We place a solution in the category of the utopian or, conversely, the not-utopian. LÄS MER

7. 20. Systematic Antenna Design Using the Theory of Characteristic Modes

   Författare :Zachary Miers; Institutionen för elektro- och informationsteknik; []
   Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; Theory of Characteristic Modes; Antenna Design; Antenna; Characteristic Modes; Computational Electromagnetics; MIMO Systems; MIMO Antenna; MIMO; Mutual Coupling; Mobile Antenna;

   Sammanfattning : The day Faraday moved a magnet in and out of a wire loop and detected the time-varying magnetic field, the first wireless transmitter / receiver system was created and the world was changed forever. However, it took almost fifty years for Heinrich Hertz to use Maxwell's equations and Faraday's insights in his professorship at Karlsruhe to create the first electromagnetic wireless communication system using a spark gap dipole transmitter and a loop antenna-based receiver. LÄS MER