Sökning: "long cycles"

Visar resultat 1 - 5 av 220 avhandlingar innehållade orden long cycles.

  1. 1. Closing nutrient cycles

    Författare :Usman Akram; Uno Wennergren; Karin Tonderski; Genevieve Metson; Bob Rees; Linköpings universitet; []
    Nyckelord :LANTBRUKSVETENSKAPER; AGRICULTURAL SCIENCES;

    Sammanfattning : Adequate and balanced crop nutrition – with nitrogen (N), phosphorus (P), and potassium (K) – is vital for sustainable crop production. Inadequate and imbalanced crop nutrition contributes to the crop yield gaps – a difference in actual and potential crop yield. LÄS MER

  3. 2. Random railways and cycles in random regular graphs

    Författare :Hans Garmo; Uppsala universitet; []
    Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; Mathematics; Random railway; connectivity number; random regular graph; long cycles; asymptotic distribution. 1991 Mathematics Subject Classification. Primary 60F05; 60C05; 05C38; 05C80; 05C40; 05C45; MATEMATIK; MATHEMATICS; MATEMATIK; matematisk statistik; Mathematical Statistics;

    Sammanfattning : In a cubic multigraph certain restrictions on the paths are made to define what is called a railway. Due to these restrictions a special kind of connectivity is defined. As the number of vertices tends to infinity, the asymptotic probability of obtaining an, in this sense, connected random cubic multigraph is shown to be 1/3. LÄS MER

  4. 3. Supporting long-term production development : Towards production platforms

    Författare :Simon Boldt; Carin Rösiö; Gary Linnéusson; Lennart Malmsköld; Jönköping University; []
    Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; production development; production platforms; long-term; perspective; changeability; integrated product and production development; manufacturing; produktionsutveckling; produktionsplattformar; långsiktigt perspektiv; förändringsbarhet; integrerad produkt och produktionsutveckling; tillverkning;

    Sammanfattning : With shrinking product life cycles and increasing competitive pressure, the traditional way of developing production systems is becoming obsolete. A longer-term perspective that considers the stream of product realisation projects to be implemented in the production system over its lifetime is required. LÄS MER

  5. 4. On Aircraft Development : managing complex systems with long life cycles

    Författare :Gunnar Holmberg; Earll Murman; Linköpings universitet; []
    Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY;

    Sammanfattning : Time plays an important role for the development of aircraft. The aircraft has a long life cycle and is composed of many systems with life cycles that sometimes differ with an order of magnitude in relation to the overall system. LÄS MER

  7. 5. Local Conditions for Long Cycles in Graphs

    Författare :Jonas B. Granholm; Carl Johan Casselgren; Armen Asratian; Jørgen Bang-Jensen; Linköpings universitet; []
    Nyckelord :NATURVETENSKAP; NATURAL SCIENCES;

    Sammanfattning : A Hamilton cycle in a graph is a cycle that passes through every vertex of the graph. A graph is called Hamiltonian if it contains such a cycle. The problem of determining if a graph is Hamiltonian has been studied extensively, and there are many known sufficient conditions both for Hamiltonicity and for other, related properties. LÄS MER