Search for dissertations about: "Short term"

Showing result 1 - 5 of 2093 swedish dissertations containing the words Short term.

  1. 1. Short-term and Long-term Exposure to Air pollution and Stroke risk

    Author : Anna Oudin; Avdelningen för arbets- och miljömedicin; []
    Keywords : MEDICIN OCH HÄLSOVETENSKAP; MEDICAL AND HEALTH SCIENCES; Long-term effects; Two-phase methods; Hemorrhagic stroke; Ischemic stroke; Short-term effects; Hospital admissions; Air Pollution;

    Abstract : Background: Stroke is a major cause of mortality and morbidity across the world. Air pollution has become an acknowledged risk factor for stroke, especially for acute effects. There is less support for effects by chronic exposure due to the methodological challenges inherent in such studies. READ MORE

  2. 2. Short-term Underground Mine Scheduling : An Industrial Application of Constraint Programming

    Author : Max Åstrand; Mikael Johansson; Mats Carlsson; KTH; []
    Keywords : TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; scheduling; mining; underground mines; constraint programming; large neighborhood search; korttidsplanering; gruvdrift; underjordsgruvor; villkorsprogrammering; Electrical Engineering; Elektro- och systemteknik;

    Abstract : The mining industry is facing a surge in automation in the pursuit of safe and profitable operations. As the excavation process is increasingly automated, today's mining companies seek to optimize the coordination of the now automated mining activities. READ MORE

  3. 3. Short-term Underground Mine Scheduling : Constraint Programming in an Industrial Application

    Author : Max Åstrand; Mikael Johansson; Christian Schulte; KTH; []
    Keywords : TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; scheduling; mining; mine; underground; constraint programming; cp; large neighborhood search; lns; Electrical Engineering; Elektro- och systemteknik;

    Abstract : The operational performance of an underground mine depends critically on how the production is scheduled. Increasingly advanced methods are used to create optimized long-term plans, and simultaneously the actual excavation is getting more and more automated. READ MORE

  4. 4. Evaluation of an educational program on depressive disorders given to general practitioners on Gotland : Short and long-term effects

    Author : Wolfgang Rutz; Linköpings universitet; []
    Keywords : PTD-Committee; Educational program; Evaluation; Depressive disorder; Suicide; Antidepressants; Cost-benefit; MEDICINE; MEDICIN;

    Abstract : In the years 1983-1984, the Swedish Comittee for the Prevention and Treatment of Depression (PTD) offered an educational program to all general practitioners (GP:s) on the Swedish island of Gotland. 1982 was used as a baseline year. An evaluation of the short-term effects was made continuously until 1985. READ MORE

  5. 5. Short term water heat storage : studies of velocity and temperature fields and their importance for sizing of the storage

    Author : Jan Dahl; Luleå tekniska universitet; []
    Keywords : TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; Energy Engineering; Energiteknik;

    Abstract : Short term water heat storage's have been introduced in many district heating systems. The main reason for this is the possibilities opened by the storage for optimization of the generation of heat and electricity in combined heat and power plants. READ MORE