Sökning: "positive"
Visar resultat 1 - 5 av 6860 avhandlingar innehållade ordet positive.
1. Externally positive systems : Analysis and control based on combinatorial polynomials
Sammanfattning : Monotonic tracking is required in many control systems, including those that cannot tolerate any overshoots and undershoots in their closed-loop responses. Classical examples are found in vehicle cruise control and liquid tank level control. LÄS MER
2. Margins of Prevention : - On Older Adolescents' Positive and Negative Beliefs about Illicit Drug Use
Sammanfattning : This study explores older adolescents’ positive and negative beliefs about illicit drug use from a preventive perspective. By positive beliefs is meant positive expectancies and benefit perceptions. By negative beliefs is meant negative expectancies and risk perceptions. LÄS MER
3. Children's health and developmental delay : positive functioning in every-day life
Sammanfattning : The general aim of this thesis was to gain understanding of what patterns of child and environment characteristics that promote and sustain health and positive functioning of children with and without developmental delay or disabilities. The focus was on promotion of strengths and competencies rather than on prevention of risk factors, with an emphasis on children’s functioning in every-day life. LÄS MER
4. Positive change for wellbeing : Maintained intervention-induced behaviors and healthier lifestyles
Sammanfattning : Lifestyle behaviors such as increased private car use, stress, low physical activity, and unhealthy eating negatively affect individual and global health, environment and economy. We must change behavior, not only to decrease suffering and economical costs, but to promote wellbeing for flourishing human beings on a living planet. LÄS MER
5. Features of the Electric Fields Generated by Lightning with Special Attention to Positive Ground Flashes
Sammanfattning : This thesis focuses on the main processes in positive ground flashes and the distant lightning environment for both positive and negative ground flashes. It presents the characteristics of the preliminary breakdown pulses (PBPs), the characteristics of the electric field pulses observed during leader propagation, and the characteristics of the electric fields produced by the first and the subsequent return strokes. LÄS MER