Search for dissertations about: "annual cycles"
Showing result 1 - 5 of 47 swedish dissertations containing the words annual cycles.
-
1. Migratory behaviour of Baltic salmon (Salmo salar L.) : adaptive significance of annual cycles
Abstract : This thesis evaluates the adaptive significance of annual cycles on the migratory behaviour of Baltic salmon (Salmo salar L.). The studies have included field experiments as well as laboratory studies gf maturity and migratory behaviour patterns of smolts and postsmolts mainly from the Angerman river population. READ MORE
-
2. Celestial Cycles : Astronomical Concepts of Regeneration in the Ancient Egyptian Coffin Texts
Abstract : This study analyzes the astronomical references found in the ancient Egyptian Coffin Texts. Chapter i presents the aim and method of this study as well as describing the primary sources and previous research. Chapter 2 deals with the conceptual background for the three cycles, as related to the year, month and the day as units of time. READ MORE
-
3. Closing nutrient cycles
Abstract : Adequate and balanced crop nutrition – with nitrogen (N), phosphorus (P), and potassium (K) – is vital for sustainable crop production. Inadequate and imbalanced crop nutrition contributes to the crop yield gaps – a difference in actual and potential crop yield. READ MORE
-
4. Empirical essays on unemployment and business cycles
Abstract : This dissertation examines business cycles in Sweden, and the patterns in and driving forces of short- and long-term movements in unemployment in a selection of high-income countries throughout the 20th century. While this has been studied numerous times before, this dissertation starts from the point of view that there is no consensus in social science on how to understand these phenomena. READ MORE
-
5. Thermodynamic Cycles using Carbon Dioxide as Working Fluid : CO2 transcritical power cycle study
Abstract : The interest in utilizing the energy in low‐grade heat sources and waste heat is increasing. There is an abundance of such heat sources, but their utilization today is insufficient, mainly due to the limitations of the conventional power cycles in such applications, such as low efficiency, bulky size or moisture at the expansion outlet (e.g. READ MORE