Search for dissertations about: "environment"

Showing result 16 - 20 of 7582 swedish dissertations containing the word environment.

  2. 16. Urban and rural environments from Iron Age to Medieval time in northern Europe : Evidence from fossil insect remains from South-Eastern Sweden and Novgorod, Russia

    Author : Magnus Hellqvist; Uppsala universitet; []
    Keywords : NATURVETENSKAP; NATURAL SCIENCES; Earth sciences; Late Holocene; Iron Age; Medieval time; subfossil insects; Coleoptera; environment; climate; human environment; taphonomy; south-eastern Sweden; Novgorod; Geovetenskap; Earth sciences; Geovetenskap; Quarternary Geology; Kvartärgeologi;

    Abstract : This thesis presents and discusses results from studies in of subfossil insect remains of natural and cultural origin. Samples were obtained by coring in sediments or by collection during archaeological excavations. The aim was to reconstruct local environment and climate in rural and early urban situations from Iron Age to medieval time. READ MORE

  4. 17. Aviation and the Environment- Evaluation of High Propulsive Efficiency Engines

    Author : Linda Larsson; Chalmers tekniska högskola; []
    Keywords : TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; Aircraft engine; Environment; Open rotor; Turbofan; Aviation;

    Abstract : There has been more than a tenfold increase in passenger kilometers traveled over the last 40 years. The highest rate of growth today is in developing countries such as China and India. These countries also have the two largest populations in the world. READ MORE

  5. 18. Industrial Application of Sulfur Concrete An Environment-friendly Construction Material

    Author : Amon Raphael Makenya; KTH; []
    Keywords : Sulfur binder; Chempruf modifyer; Sulfur Concrete SC ; Durability; SC market survey; SC Applications; Environment.;

    Abstract : Sulfur Concrete (SC) is a thermoplastic constructionmaterial, of mineral aggregates and modified sulfur as binder.Elemental sulfur has now a low smelting point (120oC) and appears in two solid allotropic forms,separated by considerable contraction. Hence, the need formodification to delay the transition. READ MORE

  6. 19. Exploring changes of conceptions, values and beliefs concerning the environment : A longitudinal study of upper secondary school students in business and economics education

    Author : Caroline Ignell; Shu-Nu Chang Rundgren; Cecilia Lundholm; Peter Davies; Jeppe Læssøe; Stockholms universitet; []
    Keywords : SAMHÄLLSVETENSKAP; SOCIAL SCIENCES; environment; sustainability; interdisciplinary; longitudinal study; conceptual change; prices; externalities; values-beliefs-norms; climate change solutions; upper secondary school students; business and economics education; pedagogik; Education;

    Abstract : This thesis examines students’ understanding of economic aspects of global environmental problems. The first aim is to identify and characterise changes in business and economics students’ conceptions of negative environmental effects and pricing goods and services. READ MORE

  7. 20. Urban and Rural Environments from Iron Age to Medieval time in Northern Europe : Evidence from Fossil Insect Remains from South-Eastern Sweden and Novgorod, Russia

    Author : Magnus Hellqvist; Högskolan Dalarna; []
    Keywords : Late Holocene; Iron Age; Medieval time; subfossil insects; Coleoptera; environment; climate; human environment; taphonomy; south-eastern Sweden; Novgorod; Miljöhistoriska studier av förhistoriska bosättningar i Mälardalsregionen;

    Abstract : .... READ MORE