Essays about: "Jens N"

Found 5 essays containing the words Jens N.

  1. 1. EBSD Investigation of High-Temperature Magnetite from Apatite-Iron-Oxide Deposits: Implications for the Formation of Giant Kiruna-Type Deposits

    University essay from Uppsala universitet/Mineralogi, petrologi och tektonik

    Author : Jens Henriksson; [2022]
    Keywords : Kiruna-type deposit; electron backscattered diffraction; crystal settling; Fe-O systematics; crystal alignment;

    Abstract : European iron production is to a large extent dependant on massive Kiruna type apatite-iron ore deposits. In this contribution, high-temperature magnetite samples from apatite-iron-oxide deposits are investigated by means of Electron Backscattered Diffraction. However, the origin of Kiruna-type deposits is still unresolved. READ MORE

  3. 2. An Overview of Rosenbrock-Krylov Methods for the Numerical Solution of Ordinary Differential Equations

    University essay from Lunds universitet/Matematikcentrum; Lunds universitet/Matematik (naturvetenskapliga fakulteten)

    Author : Jens Axelsson; [2021]
    Keywords : Rosenbrock-Krylov methods; Rosenbrock methods; Krylov subspace methods; stiff ODEs; Mathematics and Statistics;

    Abstract : This thesis offers an overview of the relatively new family of Rosenbrock-Krylov numerical methods for ODEs. These methods are a further development of Rosenbrock methods, using a lower-dimension approximation of the Jacobian. READ MORE

  4. 3. Strukturkalkens inverkan på jordmotstånd : analys av mätningar på det horisontella och vertikala motståndet

    University essay from SLU/Dept. of Biosystems and Technology (from 130101)

    Author : Claes Sjöberg; Jens Kårhammer; [2021]
    Keywords : strukturkalkning; dragkraftsbehov; jordmotstånd; penetrometermotstånd; aggregatbildning; lerjord; pH;

    Abstract : Genom tillförsel av strukturkalk, som är en jordförbättringsåtgärd till lerjord, kan flera positiva effekter uppnås. Forskning har tidigare visat att strukturkalkning kan ge stabilare aggregat, och kan bidra till minskat fosfor läckage samt bättre vatten och näringshållande förmåga. READ MORE

  5. 4. Options for Mechanical Hold Force for Sliding Doors

    University essay from Lunds universitet/Innovation

    Author : Mikaela Albertsson; Jens Thieme Almkvist; [2019]
    Keywords : Sliding doors; Mechanical force; Product development; Ulrich Eppinger; Prototyping; Technology and Engineering;

    Abstract : ASSA ABLOY’s automatic sliding doors today have a constant hold force applied whenever the doors are closed. The force is adjustable between 0-60 N and is generated by a motor. In this project it has been investigated whether it is possible to install a mechanical alternative to this hold force instead. READ MORE

  6. 5. Selection of habitat and resources during migration by a large mammal : a case study of moose in northern Sweden

    University essay from SLU/Dept. of Wildlife, Fish and Environmental Studies

    Author : Jens Lindberg; [2013]
    Keywords : migration; habitat selection; moose Alces alces ; ungulate; Sweden;

    Abstract : Migration is a worldwide phenomenon that has occurred for thousands of years in a vast variety of species. The general knowledge of migrating animals is poor even though billions of animals from a range of different groups migrate every year. READ MORE