Sökning: "bekämpningsmedel"

Visar resultat 1 - 5 av 31 avhandlingar innehållade ordet bekämpningsmedel.

  1. 1. Mercury, DDT and PCB in aquatic test organisms : baseline and monitoring studies, field studies on biomagnification, metabolism and effects of some bioaccumulating substances harmful to the Swedish environment

    Författare :Mats Olsson; Stockholms universitet; []
    Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; NATURVETENSKAP; NATURAL SCIENCES; Kvicksilver; oorganisk kemi; Bekämpningsmedel; växtskydd; Vattenförorening;

    Sammanfattning : .... LÄS MER

  3. 2. Effects of surfactant adjuvants on plant leaf cuticle barrier properties

    Författare :Anton Fagerström; Malmö högskola; []
    Nyckelord :Adjuvant; Surfacant; Cuticle; Tebuconazole; Diffusion; Clivia miniata Regel leaf; Model wax; Phase diagram; Hydration; Eutectic melting; Crystalline domains; Softening; Wax film; Quartz Crystal Microbalance with dissipation QCM-D ; Differential Scanning Calorimetry DSC ; Small- and Wide-angle X-ray Diffraction SWAXD ;

    Sammanfattning : I avhandlingen undersöks växelverkan mellan det yttersta lagret på växters blad (cutikeln), aktiva substanser, och ämnen som tillsätts för att öka bekämpningsmedlens effekt, i detta fall vissa former av tensider. Barriären som hindrar upptag av främmande ämnen i växten sitter i cutikeln. LÄS MER

  4. 3. On the scope and assessment of pesticides in groundwater in Skåne, Sweden

    Författare :Maria Åkesson; Kvartärgeologi; []
    Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; groundwater; pesticides; Sweden; Skåne; environmental tracers;

    Sammanfattning : Pesticides are known to occur in groundwater worldwide. However, long-term pollution concerns and cause-effect relationships for specific regions remain limited. LÄS MER

  5. 4. Natural enemies: Functional aspects of local management in agricultural landscapes

    Författare :Helena Hanson; Biodiversitet; []
    Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; Agricultural intensification; sustainable agriculture; land use; management intensity; landscape scale; ecosystem services; biological control; species trait; pesticides; predatory arthropods; parasitoids; pollen beetles;

    Sammanfattning : Agricultural intensification has raised the global food production but also caused major concerns about environmental and health effects, including contamination by pesticides. Pesticide applications may induce toxicity not only on the target pest species but especially on non-target species. LÄS MER

  7. 5. Engineering and applications of surface displayed tyrosinase on Escherichia coli

    Författare :David Hörnström; Antonius J. A. van Maris; Joachim José; KTH; []
    Nyckelord :Bioteknologi; Biotechnology;

    Sammanfattning : The rise of biotechnology has provided a toolbox to deal with major challenges related to pollution and health. Microbial enzymes constitute powerful macromolecules with applications in environmental technology, and industrial and medical production. LÄS MER