Sökning: "Per Sjöberg"
Visar resultat 1 - 5 av 46 avhandlingar innehållade orden Per Sjöberg.
1. Predicting Health Behaviour – Population-Based Studies of Knowledge and Behaviour Related to Cardiovascular Diseases
Sammanfattning : The overall aim was to study factors that affect behaviour related to CVD (cardiovascular diseases). Study I tested whether gender, education and so-cioeconomic status correlated to knowledge about risk factors, and Study II studied knowledge and risk behaviour from a national perspective (Sweden versus Poland). LÄS MER
2. Positioning with supported GPS, A simulation study
Sammanfattning : The satellite based on positioning system GPS has a very high potential in accuracy and general performance. It has also low cost, low weight and low power consumption.However, among all good proprieties there exist some bad ones. LÄS MER
3. Chatt som umgängesform : Unga skapar nätgemenskap
Sammanfattning : This dissertation focuses on social interaction patterns between young people in an online chat room, analyzing how social order is displayed and constituted. An overall issue concerns when and how the participants manage to co-create social communities within this setting. LÄS MER
4. Atmospheric pressure ionisation interface considerations for micro column separation with mass spectrometric detection
Sammanfattning : Two miniaturised atmospheric pressure chemical ionisation (APCI) interfaces were developed for micro column separation and their performances were investigated in high temperature open tubular column liquid chromatography and capillary supercritical fluid chromatography (SFC). The most influential parameters, for example, the interface probe position relative to the sampling orifice and the reagent ion plasma composition, were investigated to optimise the ion current signal and stability. LÄS MER
5. Numerical solution of the Fokker–Planck approximation of the chemical master equation
Sammanfattning : The chemical master equation (CME) describes the probability for the discrete molecular copy numbers that define the state of a chemical system. Each molecular species in the chemical model adds a dimension to the state space. LÄS MER