Sökning: "Cross-linked polyethylene"
Visar resultat 16 - 20 av 21 avhandlingar innehållade orden Cross-linked polyethylene.
16. Knee replacement revision: an international comparison
Sammanfattning : AbstractBackground and purpose: The need for knee replacement revision arises from a combination of patient, prosthesis and surgeon factors. Registry data can help study these relationships. Pooling data from multiple registries may increase both reliability and generalizability. LÄS MER
17. Development of on-line diagnostic methods for medium voltage XLPE power cables
Sammanfattning : On-line diagnostics of power system components is an important area since it allows the diagnostics to be performed at regular intervals during the normal operation of the components. This combined with reliability centered maintenance could lead to reduced customer outages. LÄS MER
18. Xyloglucan-based polymers and nanocomposites – modification, properties and barrier film applications
Sammanfattning : Biopolymers from renewable resources are of interest for packaging applications as an alternative to conventional petroleum-based polymers. One of the major application areas for biopolymers is food packaging, where a candidate polymer should meet critical requirements such as mechanical and oxygen barrier performance, also in humid conditions. LÄS MER
19. Analysis of dielectric response measurement methods and dielectric properties of resin-rich insulation during processing
Sammanfattning : The dielectric diagnostic methods ofpolarisation/depolarisation currents and recovery voltage,which are time domain methods, and capacitance and tandmeasurements at different frequencies, which is a frequencydomain method, have been studied here. In the first part of thethesis, these measurement methods are analysed and evaluated. LÄS MER
20. Surface Charge Dynamics on Polymeric Insulating Materials for High Voltage Applications
Sammanfattning : To meet increasing demands in electric energy, it is essential to enhance production of electricity from renewable energy sources (solar, wind and hydro). Such generation sites, however, are usually separated from consumption sites by long distances. LÄS MER