Sökning: "road"

Visar resultat 16 - 20 av 1226 avhandlingar innehållade ordet road.

1. 16. Measurements for winter road maintenance

   Författare :Mats Riehm; Per-Erik Jansson; Eros Pasero; KTH; []
   Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; winter road maintenance; sensors; infrared thermometry; energy efficiency; road salt;

   Sammanfattning : Winter road maintenance activities are crucial for maintaining the accessibility and traffic safety of the road network at northerly latitudes during winter. Common winter road maintenance activities include snow ploughing and the use of anti-icing agents (e.g. road salt, NaCl). LÄS MER

3. 17. Implementing Road Pricing : Standards, Institutions, Costs, and Public Acceptance

   Författare :Carl J. Hamilton; Jonas Eliasson; Robert Lindsey; KTH; []
   Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY;

   Sammanfattning : Much has been researched and written about road pricing, and especially how it affects traffic flow, congestion, the environment, and social welfare in general. This doctoral thesis analyses the implementation of road user charges rather than its effects. The dissertation consists of five separate papers, each addressing a subset of the topic. LÄS MER

4. 18. Road traffic metals : sources and emissions

   Författare :David Hjortenkrans; Bo Bergbäck; Per-Arne Malmqvist; Högskolan i Kalmar; []
   Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; Emission patterns; Heavy metals; Roadside soil; Sweden; Traffic; Sequential extractions; SFA; Environmental chemistry; Miljökemi; Environmental Chemistry; Miljökemi;

   Sammanfattning : As the environmental regulations and technical progress have forced the factories’ old “end of pipe” solutions to improve, the metal emissions from point sources have decreased. Instead, the diffuse consumption emissions from goods in use now are in focus. LÄS MER

5. 19. The Rocky Road : Why Usability Work is so Difficult

   Författare :Jeff Winter; Kari Rönkkö; Alma Culen; Blekinge Tekniska Högskola; []
   Nyckelord :SAMHÄLLSVETENSKAP; SOCIAL SCIENCES; NATURVETENSKAP; NATURAL SCIENCES; Usability; User experience; UX; Wicked problems; Quality; Organizations; Institutions; Participatory design; User-centred design; Computer and Information Sciences Computer Science;

   Sammanfattning : Achieving product and process quality are among the central themes of software engineering, and quality is an important factor in the marketplace. Usability and user experience (UX) are two important aspects of quality, particularly for interactive products. LÄS MER

7. 20. On the road : Social aspects of commuting long distances to work

   Författare :Erika Sandow; Kerstin Westin; Örjan Pettersson; Susan Hanson; Umeå universitet; []
   Nyckelord :SAMHÄLLSVETENSKAP; SOCIAL SCIENCES; Long-distance commuting; social aspects; households; gender differences; sparsely populated areas; longitudinal study; register data; Sweden; Human geography; economic geography; Kulturgeografi; ekonomisk geografi; Social and Economic Geography; kulturgeografi;

   Sammanfattning : With its point of departure of increasing numbers of people being engaged in commuting, the aim of this thesis is to reveal prerequisites for and consequences of long-distance commuting in Sweden for the individual and his or her partner. Special attention has been given to prerequisites for long-distance commuting in sparsely populated areas, and to social consequences related to long-distance commuting in terms of gender differences in commuting patterns, earnings and separation. LÄS MER