Sökning: "Håkan Andersson"
Visar resultat 6 - 10 av 64 avhandlingar innehållade orden Håkan Andersson.
6. A Co-Simulation Tool Applied to Hydraulic Percussion Units
Sammanfattning : In this dissertation, a co-simulation tool is presented that is meant to comprise a more comprehensive environment for modelling and simulation of hydraulic percussion units, which are used in hydraulic hammers and rock drills. These units generates the large impact forces, which are needed to demolish concrete structures in the construction industry or to fragment rock when drilling blast holes in mine drifting. LÄS MER
7. Childhood Self-Regulation, Academic Achievement, and Occupational Attainment
Sammanfattning : The general aim of this thesis was to extend knowledge of the interplay between self-regulation (SR) skills during childhood in relation to academic achievement and later adult educational and occupational attainment. Previous research has shown that cool SR (i.e., cognitive) is more closely linked to academic achievement than hot SR (i. LÄS MER
8. Limit theorems for some stochastic epidemic models
Sammanfattning : .... LÄS MER
9. Radioimmunotherapy of experimental ovarian cancer with Astatine-211. An in vivo model for consolidation treatment in women
Sammanfattning : About 850 new cases of ovarian cancer are diagnosed in Sweden every year. In 75 % of the patients the tumour has spread outside the ovaries. The standard treatment is surgery followed by six courses of combination chemotherapy. In spite of a very high frequency of clinical complete responses the 5-year survival is not satisfactory. LÄS MER
10. Relativa betyg : några empiriska studier och en teoretisk genomgång i ett historiskt perspektiv
Sammanfattning : Denna avhandling, som i huvudsak är resultatet av ett projekt finansierat av Skolöverstyrelsen, består av fem delstudier (I-V) utförda under åren 1977-1991 samt en sammanfattande analysdel (VI). Avhandlingens syfte är att studera det unika svenska relativa betygssystemet, som infördes på försök i folkskolan i början av 1940-talet för att senare permanentas och även införas i enhets- och grundskolan samt slutligen även i gymnasiet. LÄS MER