Sökning: "associative"

Visar resultat 1 - 5 av 135 avhandlingar innehållade ordet associative.

  1. 1. Transition Metal Mediated Transformations of Carboranes

    Författare :Ludvig Eriksson; Kalman Szabo; Uppsala universitet; []
    Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; Chemistry; carborane; isoquinoline; PK11195; peripheral bensodiazepine receptor; Cu I Iodide; iodinated carborane; palladium; isotopic exchange; Herrmann’s Catalyst; Heck reaction; Suzuki-Miyaura reaction; cross coupling; arylation; olefination; 125-iodine; radiolabelling; carboraneboronic ester; BNCT; 2-iodo-; Kemi; Chemistry; Kemi; organisk kemi; Organic Chemistry;

    Sammanfattning : This thesis describes the use of copper and palladium to mediate transformations of carboranes, especially p-carborane.1-(1-p-carboranyl)-N-methyl-N-(2-butyl)-3-isoquinolinecarboxamide, a carborane containing analogue of the peripheral benzodiazepine receptor (PBR) ligand PK11195, has been synthesised. LÄS MER

  3. 2. Sources of Dust Extinction in Type Ia Supernovae : Measurements and constraints from X-rays to the Infrared

    Författare :Joel Johansson; Edvard Mörtsell; Ariel Goobar; Rahman Amanullah; Bruno Leibundgut; Stockholms universitet; []
    Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; supernovae; interstellar dust; circumstellar dust; cosmology; fysik; Physics;

    Sammanfattning : The use of Type Ia supernovae (SNe Ia) as distance indicators is essential for studying the expansion history of the Universe and for exploring the nature of dark energy. However, a lack of understanding of the progenitor systems and the empirically derived colour-brightness corrections represent severe limitations for SNe Ia as cosmological probes. LÄS MER

  4. 3. On Hom-associative Ore Extensions

    Författare :Per Bäck; Sergei Silvestrov; Johan Richter; Lars Hellström; Anatoliy Malyarenko; Joakim Arnlind; Mälardalens universitet; []
    Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; Mathematics Applied Mathematics; matematik tillämpad matematik;

    Sammanfattning : In this thesis, we introduce and study hom-associative Ore extensions. These are non-unital, non-associative, non-commutative polynomial rings in which the associativity condition is “twisted” by an additive group homomorphism. LÄS MER

  5. 4. Dopamine and the affective-cognitive gradient in the human striatum studied with multimodal brain imaging

    Författare :Filip Grill; Anna Rieckmann; Lars Nyberg; Alison Adcock; Umeå universitet; []
    Nyckelord :MEDICIN OCH HÄLSOVETENSKAP; MEDICAL AND HEALTH SCIENCES; dopamine; striatum; incentive; motor; associative; reinforcement learning; reward prediction error; positron emission tomography; functional magnetic resonance imaging; PET MR; cognitive modelling;

    Sammanfattning : Both dopamine and the dopamine rich brain area, striatum, have been linked to behaviors related to incentives, motor action, and associative processing. Most of the cortex sends projections to the striatum, these connections have been described as a gradient organization representing a repertoire of functional behaviors. LÄS MER

  7. 5. Coincidences and Paranormal Belief

    Författare :Gergö Hadlaczky; Joakim Westerlund; Henry Montgomery; Peter Brugger; Stockholms universitet; []
    Nyckelord :SAMHÄLLSVETENSKAP; SOCIAL SCIENCES; Coincidences; surprise; paranormal belief; parapsychology; telepathy; associative processing; probabilistic reasoning; Ganzfeld; associative learning; automatic processing; controlled processing; Psychology; psykologi;

    Sammanfattning : In this thesis it is argued that coincidences play an important role in the formation of belief, including belief in the paranormal. Three papers are presented. LÄS MER