Sökning: "urban transition"

Visar resultat 1 - 5 av 114 avhandlingar innehållade orden urban transition.

1. 1. Rough starts and tough times : geographies of workers and firms in transition

   Författare :Therese Danley; Rikard Eriksson; Urban Lindgren; Emma Lundholm; Neil Lee; Umeå universitet; []
   Nyckelord :SAMHÄLLSVETENSKAP; SOCIAL SCIENCES; agglomerations; job matching; human capital; plant closure; firm survival;

   Sammanfattning : Economic change can lead to multiple and sometimes conflicting outcomes for workers, employers, and regions. At the center of economic change are the dynamic interactions among diverse workers and firms in specific labor market contexts. LÄS MER

3. 2. Rapid Urbanization : An Inquiry into the Nature and Causes of the Urban Transition in Developing Countries

   Författare :Kyle Farrell; Hans Westlund; Tigran Haas; Peter Nijkamp; Kingsley Haynes; KTH; []
   Nyckelord :SAMHÄLLSVETENSKAP; SOCIAL SCIENCES; urban transition; rapid urbanization; rapid urban growth; components of urban growth; economic development; developing countries; national urban systems; China; Nigeria; India; Planering och beslutsanalys; Planning and Decision Analysis;

   Sammanfattning : This thesis is concerned with the challenges posed by the contemporary urban narrative in developing countries. It is premised on the notion of the urban transition, which posits that as a country develops it undergoes a transformation from a predominantly rural society to a predominantly urban one. LÄS MER

4. 3. Computer Simulations in Materials Physics: Time-scales and Accuracy

   Författare :Urban Engberg; Chalmers tekniska högskola; []
   Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; basis sets; computer simulations; pseudopotentials; materials physics; density functional theory; transition state theory; O N ; quantum Monte Carlo;

   Sammanfattning : Computer simulations are expected to play an increasingly important role within materials physics in the future. Owing to a combination of accurate physical approximations, improved implementations of these approximations, and the exponentially increasing power of computers, problems can now be solved on length and time-scales which were unimaginable only a decade ago. LÄS MER

5. 4. Physics of Strong Correlations in Electronic Structure and Model Calculations

   Författare :Urban Lundin; Uppsala universitet; []
   Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; Physics; Strongly correlated electrons; Electronic structure calculations; Fysik; Physics; Fysik; fysik; Physics;

   Sammanfattning : Using field theoretical methods models of strongly correlated electrons have been investigated. Application to electronic structure calculations has been made. LÄS MER

7. 5. District heating in future Europe : Modelling expansion potentials and mapping heat synergy regions

   Författare :Urban Persson; Sven Werner; Lars J. Nilsson; Sweden Gothenburg Chalmers University of Technology; []
   Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; NATURVETENSKAP; NATURAL SCIENCES; district heating; energy efficiency; distribution capital cost; heat demand density; plot ratio; excess heat recovery; sequential energy supply; heat utilisation rate; effective width;

   Sammanfattning : This thesis presents a set of methodologies and approaches to investigate and determine the extent by which district heating can contribute to improved energy system efficiency and reduced carbon dioxide emissions in future Europe. The main motivation for suggesting large-scale implementation of district heating as a structural energy efficiency measure to obtain these objectives originates essentially in the predicament that a majority of European buildings today remain highly dependent on fossil fuels to provide energy needed for space heating and hot water preparation. LÄS MER