Sökning: "Phosphorus Concentration"

Visar resultat 1 - 5 av 159 uppsatser innehållade orden Phosphorus Concentration.

  1. 1. Flame retardant treated wood : An investigation into phytic acid and its ability to act as a flame retardant agent

    Uppsats för yrkesexamina på avancerad nivå, Luleå tekniska universitet/Byggkonstruktion och brand

    Författare :Mattias Ström; Herman Paulusson; [2023]
    Nyckelord :Flame-retardant; Phytic acid; Wood;

    Sammanfattning : Flame-retardant coatings have been serving their purpose since the romans ruled Europe. These products have been developed through the years, by mixing and synthetizing solutions, which have resulted in effective, although questionable, products due to their impact on the environment and our health. LÄS MER

  3. 2. Pyrolysis of Municipal Sewage Sludge to get a phosphorus rich char residue for soil improvement

    Master-uppsats, Högskolan i Borås/Akademin för textil, teknik och ekonomi

    Författare :Shahin Shamim; [2023]
    Nyckelord :Sewage Sludge-Phosphorus-Pyrolysis- Heavy metals; Cadmium; Lead; Nickle; Copper; Chromium; Zinc; Biochar; Heating value; Fertilizer- Thermal conversion;

    Sammanfattning : Sewage sludge is a byproduct of wastewater treatment plants. It is a kind of waste. however, it contains several valuable nutrients like phosphorous and nitrogen that are used to rich the soil as a fertilizer compound. LÄS MER

  4. 3. Nutrient flow on agroforestry farms in the province of Son La in northwest Vietnam

    Uppsats för yrkesexamina på avancerad nivå, Uppsala universitet/Vindenergi

    Författare :Tula Strotz; [2023]
    Nyckelord :Agroforestry; contouring grass rows; Guinea grass; nutrient losses; Vietnam; Gräsbarriärer; Höglandsodling; näringsförlust; Träjordbruk; Vietnam;

    Sammanfattning : The population in the high mountains of the northwest provinces of Vietnam belongs to the poorest population in the country. Among the reasons behind this are the high frequency of minority groups in the region and the infertile soils of the steep slopes. LÄS MER

  5. 4. Fibroblasttillväxtfaktor-23 (FGF-23) – en möjlig biomarkör för osteoartrit hos katt?

    Master-uppsats, SLU/Dept. of Clinical Sciences

    Författare :Pernilla Hägg; [2023]
    Nyckelord :artros; biomarkör; FGF-23; katt; osteoartrit;

    Sammanfattning : Osteoartrit är en kronisk obotlig ledsjukdom som är vanlig hos katt. Trots att osteoartrit är associerad med smärta kan sjukdomen hos katt vara svår att diagnosticera. LÄS MER

  7. 5. Modelling the Impact of Climate and Socio-Economic Changes on Nutrient Dynamics in the Catchment of Lake Vomb

    Master-uppsats, Uppsala universitet/Institutionen för geovetenskaper

    Författare :Yanhe Zhou; [2023]
    Nyckelord :Climate change; hydrological modelling; nutrient; RCP; socioeconomic development; SSP; SWAT; water quality modelling;

    Sammanfattning : Climate change and socio-economic development are greatly affecting the quality of freshwater, especially the excessive accumulation of nutrients (N and P), which eventually leads to the occurrence of eutrophication. Lake Vomb is one of the main sources of drinking water in southern Sweden and the nutrient load from the catchment makes it a eutrophic lake with recurring algal blooms. LÄS MER