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Design of small antennas is challenging because fundamental physics limits the antennas performance. Physical bounds provide basic restrictions on the antenna performance solely expressed in the available antenna design space. These bounds offer antenna designers a priori information about the feasibility of antenna designs and a figure of merit for different antenna designs. Here, an overview of
Responses are typically faster and more accurate when both auditory and visual modalities are stimulated than when only one is. This bimodal advantage is generally attributed to a speeding of responding on bimodal trials, relative to unimodal trials. It remains possible that this effect might be due to a performance decrement on unimodal ones. To investigate this, two levels of auditory and visual
Familjekorrespondens 1830-1952 i familjen Blomstrand, där flera medlemmar verkade som missionärer i södra Indien. Missionärernas barn togs om hand av släktingar i Sverige.
Popular Abstract in Swedish Sedan 1960-talet har det varit möjligt att transplantera organ från en människa till en annan. Transplantation är den enda behandlingsmetoden när hjärta, lungor eller lever är obotligt skadade. För njursjuka finns dialys som ett alternativ, även om transplantation oftast är ett bättre alternativ. Ett stort problem är att kroppens immunförsvar inte accepterar det nya orTransplantation is the only cure for end-stage organ failure. With the transplantation follows the need for continuous treatment with immunosuppressive agents for as long as the graft functions, which entails major side effects. Less toxic treatments are therefore in great demand. Preferably, the treatment should also be limited in time. The ultimate solution would be induction of tolerance to t
Popular Abstract in Swedish Katalytisk omvandling av enkla kolväten till mer användbara substanser m.h.a. homogena/lösliga komplex av övergångsmetaller är ett mycket viktigt ämnesområde inom metallorganisk kemi. För att förstå hur processen går till har ett stort antal modellföreningar syntetiserats genom åren där man har studerat hur kol-väte eller kol-kol bindningar kan brytas. Man bör notera atThe work presented in this thesis deals with metallacyclic late transition metal complexes, obtained by intramolecular Csp3-H activation, and the application of such compounds in catalysis. The new hemilabile P,O phosphines N-methyl-N-propionyl-2-(diphenylphosphino)benzylamine (DPPAM), o-(diphenylphosphino)benzoic acid ethyl ester (DPPES), o-(diphenylphosphino)benzoic acid methyl ether (DPPET) and
In the present thesis, I investigate the hierarchical structure of morphometric and molecular diversity within and between the Nordic dogroses (Rosa Sect. Caninae, Rosaceae). I also investigate patterns of geographic differentiation and taxonomic relationships within the group. The dogroses are characterized by a unique genetic system, the so-called ”canina meiosis” that leads to an uneven allocat
