Sökning: "universal temperature dependence"
Visar resultat 1 - 5 av 9 avhandlingar innehållade orden universal temperature dependence.
1. Thermal adaptation along a latitudinal gradient in damselflies
Sammanfattning : Understanding how temperature affects biological systems is a central question in ecology and evolutionary biology. Anthropogenic climate change adds urgency to this topic, as the demise or success of species under climate change is expected to depend on how temperature affects important aspects of organismal performance, such as growth, development, survival and reproduction. LÄS MER
2. First-principles description of planarfaults in metals and alloys
Sammanfattning : Phase interface and stacking fault are two common planar defects in metallic materials. In the present thesis, the interfacial energy and the generalized stacking fault energy of random alloys are investigated using density functional theory formulated within the exact muffin-tin orbitals (EMTO) method in combination with the coherent-potential approximation (CPA). LÄS MER
3. Charge and Energy Transport in Disordered Organic Semiconductors
Sammanfattning : Improvement of the performance of organic disordered semiconductors (OSC) is driven by the understanding of the underlying charge transport mechanisms and systematic exploitation thereof. There exists a multitude of materials and material systems based on polymers and small molecules with promising performance for use in organic light emitting diodes, photovoltaics, organic field-effect transistors and thermoelectrics. LÄS MER
4. Phase dependent heat transport in superconducting junctions with scattering theory
Sammanfattning : The operation of nanoscale devices at low temperatures is highly sensitive to heating effects. This motivates current research on controlling heat currents in these devices. LÄS MER
5. Effect of water contamination on the diffused content of hydrogen under stress in AISI-52100 bearing steel
Sammanfattning : Abstract Hydrogen embrittlement is a degradation process of mechanical/tribological properties (toughness, wear etc.) of mating steel surfaces. This is caused by the presence and interaction of hydrogen with applied stresses. Therefore, it is important to quantify the hydrogen content which could be dissolved under applied stresses in steel. LÄS MER