Sökning: "Ranstad"
Visar resultat 1 - 5 av 6 avhandlingar innehållade ordet Ranstad.
1. Importance of relationships with primary care. Implications for patients and health care
Sammanfattning : .... LÄS MER
2. On high-frequency soft-switching DC-converters for high-voltage applications
Sammanfattning : .... LÄS MER
3. Control and Design Aspects of Components and Systems in High-Voltage Converters for Industrial Applications
Sammanfattning : High-frequency dc-dc converters are widely used in power electronic applications, both in consumer products and industrial products. By operating the converter at higher frequencies both a smaller size and better control characteristics can be obtained. LÄS MER
4. On Reliability of SiC Power Devices in Power Electronics
Sammanfattning : Silicon Carbide (SiC) is a wide-bandgap (WBG) semiconductor materialwhich has several advantages such as higher maximum electric field, lowerON-state resistance, higher switching speeds, and higher maximum allowablejunction operation temperature compared to Silicon (Si). In the 1.2 kV - 1. LÄS MER
5. Bacteria and geochemistry in a former uranium open pit mine - mobilization of trace metals
Sammanfattning : In mining areas around the world, chemical and biotic processes have lead to the release of toxic substances, e.g. metals. Microbial processes influence metal speciation, while the chemical environment shapes and controls microbial populations. LÄS MER