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The differentiation between expression and content is fundamental in the concept of signs. Even if the notions of signs are often revised, due partly to the attraction of a semiotic approach from markedly disparate objects of study, a common apprehension of the distinctive character of meanings by sign is its dual nature. (Saussure 1968, Piaget 1951, 1966; Vygotsky 1999; Sigel 1978; DeLoache 2000)
Popular Abstract in Swedish Vårärt (Lathyrus vernus) är en skogsväxt som tillhör familjen ärtväxter (Fabaceae). Den förekommer hos oss i södra och mellersta Sverige och har sin nordligaste utbredning vid Höga kusten, där den förekommer i geografiskt isolerade populationer på sydsluttningar med gynnsamt klimat. I övrigt har vårärten sitt utbredningscentrum i centrala och östra Europa. Med denna avhIn the present thesis, I investigated patterns of genetic variation in the forest herb Lathyrus vernus (Fabaceae), using plant material from different-sized populations representing three geographically separated regions: central Europe, southern and central Sweden. My studies included presumably neutral or weakly selected characters (allozymes and leaflet shape) as well as characters that should
Popular Abstract in Swedish Exponeringsskattning för att hindra uppkomst av belastningsskador Skador på muskler som uppkommer av olämpliga arbetsrörelser och arbetsställningar (belastningsskador) utgör ett stort problem i alla industrialiserade länder. Definitionen av vad som innefattas i begreppet arbetsskada varierar mellan olika länder, varför det är svårt att göra jämförelser. Kostnader för arWork-related musculoskeletal disorders of shoulder/neck are a major and increasing problem. Beside the pain, they involve high cost for the employer and society. The total expenditure for the musculoskeletal disorders of the neck and upper limb have been estimated to 0.5-2.0% of the Gross National Product (GNP) in the Nordic countries. Due to the lack of precise knowledge of exposure/response rela
A complex waveguide to microstrip line transition is proposed for system-on-package (SOP) on low temperature cofired ceramic (LTCC). Transition is designed to operate around 60 GHz and is used to feed the 16 elements microstrip antenna array. Transition includes waveguide to stripline transition, stripline to embedded microstrip line transition, and finally embedded microstrip line to microstrip l
Two test series simulating the hazards associated with the accidental release of hydraulic fluid near a source of ignition have been carried out with six hydraulic fluids; mineral oil, organic ester, phosphate ester, water in oil emulsion and two polyglycols in water solution. The flame length, temperature and radiation and the auto-ignition temperature were measured. The correlation between the t
We derive a sequential algorithm for simultaneous calibration and quadratic hedging of options. It can be applied to any model from which we can simulate paths and price options. The quadratic hedging comes at no extra cost! We have calibrated the Bates and NIG-CIR model to S&P 500 index options in order to evaluate various hedging strategies (delta, quadratic), clearly indicating the advantag
The goal of the paper is to present a decomposed approach to optimization of inter-domain routing in IP networks. A problem of maximizing the total amount of traffic carried in an inter-domain network is formulated as a linear programme. Using Lagrangean relaxation the problem is decomposed with respect to individual domains. A resolution method based on subgradient optimization combined with reco
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