Search for dissertations about: "Herbert Over"

Showing result 1 - 5 of 14 swedish dissertations containing the words Herbert Over.

  2. 1. Application of indigenous materials in drinking water treatment

    Author : Herbert Mpagi Kalibbala; Bengt Hultman; Joaquin Martinez; KTH; []
    Keywords : NATURVETENSKAP; NATURAL SCIENCES; Coagulant aid; drinking water treatment; dual media filtration; Moringa oleifera; primary coagulant; trihalomethanes; volcanic ash; Water in nature and society; Vatten i natur och samhälle;

    Abstract : Volcanic ash and Moringa oleifera (M. oleifera) were investigated as indigenous materials for drinking water treatment based on problems identified at Kampala and Masaka water treatment plants in Uganda. READ MORE

  4. 2. Seed dynamics and the ecological restoration of hill slopes of Kondoa Irangi, Central Tanzania

    Author : Herbert V. M. Lyaruu; Ingvar Backéus; Jerry Skoglund; Uppsala universitet; []
    Keywords : NATURVETENSKAP; NATURAL SCIENCES; Ecology; anemochorous; Ekologi; Terrestrial; freshwater and marine ecology; Terrestisk; limnisk och marin ekologi; Ecological Botany; Ekologisk botanik;

    Abstract : Improper agricultural practices such as bill slope cultivation, extensive clearing of vegetation using fire over a long period, and to some extent overgrazing have converted the once fertile hill slopes of Kondoa Irangi in central Tanzania into unproductive marginal land. It is 25 years now since reclamation measures were introduced to save the hills from further degradation, but the regeneration process, has been rather slow. READ MORE

  5. 3. Alpine ski sport injuries in Swedish Lapland

    Author : Curt Made; Lars-Gunnar Elmqvist; Herbert Sandström; Robert J Johnson; Umeå universitet; []
    Keywords : skiing; wounds and injuries; Orthopaedics; ortopedi;

    Abstract : Downhill skiing is associated with recreation, youth, speed, aerials and crowded courses which carry increased risk of injuries. The aim of this study was to evaluate downhill sport injuries in a Swedish ski resort. Material and methodsIn a case-control study ongoing 1989/90–2006/07, 3,696 injured skiers were registered. READ MORE

  6. 4. Nutritional aspects of behaviour and biology during pregnancy and postpartum

    Author : Anette Lundqvist; Herbert Sandström; Katarina Hamberg; Torbjörn Bäckström; Johan Hultdin; Margareta Larsson; Umeå universitet; []
    Keywords : MEDICIN OCH HÄLSOVETENSKAP; MEDICAL AND HEALTH SCIENCES; MEDICIN OCH HÄLSOVETENSKAP; MEDICAL AND HEALTH SCIENCES; pregnancy; antenatal care; dietary advice; qualitative; dietary intake; cross-sectional; vitamin D levels; alloprenanolone; weight gain; longitudinal; Clinical Chemistry; klinisk kemi;

    Abstract : BackgroundA well-balanced nutritious diet is important for the pregnant woman and the growing fetus, as well as for their future health. Poor nutrition results from both over-consumption of energy-rich foods which can lead to a higher weight gain than is healthy and under-nutrition of essential nutrients. READ MORE

  7. 5. Predictions Within and Across Aquatic Systems using Statistical Methods and Models

    Author : Peter H. Dimberg; Roger Herbert; Andreas C. Bryhn; Gesa Weyhenmeyer; Mikael Malmaeus; Uppsala universitet; []
    Keywords : NATURVETENSKAP; NATURAL SCIENCES; NATURVETENSKAP; NATURAL SCIENCES; NATURVETENSKAP; NATURAL SCIENCES; NATURVETENSKAP; NATURAL SCIENCES; Lake; Water quality; Chlorophyll-a; Total phosphorus; Seasonality; Morphometry; Regression model; Probability; Markov chain; Genetic programming; Temporal-trend; Earth Science with specialization in Environmental Analysis; Geovetenskap med inriktning mot miljöanalys;

    Abstract : Aquatic ecosystems are an essential source for life and, in many regions, are exploited to a degree which deteriorates their ecological status. Today, more than 50 % of the European lakes suffer from an ecological status which is unsatisfactory. READ MORE