Popular Abstract in Swedish Kloning är inte enbart ett sätt för genetiska ingenjörer att framställa identiskt lika får. Det är framför allt ett naturligt förökningssätt för många djur och växter. Bladlöss, björnbär och backlök är tre exempel på vanliga organismer som förökar sig genom kloning. Enligt gängse evolutionär teori är kloning – eller asexuell reproduktion – ett effektivare sätt att produEvolutionary theory predicts a disadvantage to sexual reproduction. This manifests itself either by the higher growth rate of asexual females in a dioecious species, or by the higher transmission rate of a gene conferring asexual female function to its carriers in a hermaphrodite species. The disadvantage to sexual reproduction may be as high as two-fold provided all else is equal. This phenomenon

We are good at discussing law statements of different epistemic status, and to describe logical relationships between different law statements. But contemporary discussion often suffers from a difficulty to formulate questions concerning laws of different ontological status. This paper presents a framework for distinguishing between properties and fake properties that seems to provide better tools

Popular Abstract in Swedish Denna avhandling behandlar storlekskarakterisering av stora molekyler (polymerer) med en ny teknik, nämligen flödesfältflödesfraktionering (flödesFFF). Det aktuella storleksområdet som studerats i avhandlingen är intervallet mellan några få nanometer(nm) upp till en halv mikrometer (um). Storleksbestämningen med flödesFFF baseras på en separation av material med olika dSize, as expressed by molar mass, radius of gyration or hydrodynamic radius, for example, is a fundamental parameter of polymers in solution. Thus, there is a strong need for the characterisation of both the size and shape of polymers, particularly of those utilised in various industrial applications. In this thesis, a relatively novel technique, asymmetrical flow field-flow fractionation (flow FF

In this paper the problem of tracking multiple objects in image sequences is studied. A Hidden Markov Model describing the movements of multiple objects is presented. Previously similar models have been used, but in real time system the standard dynamic programming Viterbi algorithm is typically not used to find the global optimum state sequence, as it requires that all past and future observation

Popular Abstract in Swedish Autism och autismspektrumstörningar är ett kliniskt och beteendemässigt definierat samt biologiskt orsakat syndrom innebärande nedsatt förmåga till social ömsesidighet, verbal och ickeverbal kommunikation samt med kännetecknen både begränsade och repetitiva beteenden, intressen och rutiner. Bakom de synliga beteendena ligger nedsättningar i förmågan till mentalisering, The aims of this thesis were: to review studies of treatment evaluation from the years 1992-2002; to evaluate the Treatment and Education of Autistic and related Communication Handicapped Children, TEACCH, treatment model for adults and children with autism; to develop and evaluate a screening instrument for early detection of autism and other developmental deficits, SEEK. The instruments used we

Student–industry activities are often heralded as win–win–win activities in which students gain knowledge of their future professional fields, companies access student knowledge, and universities both offer students stimulating learning opportunities and strengthen ties with industry. Student–industry projects can be defined as an active learning methodology characterized by pedagogical values suc

In common grid installations, services responsible for storing big data chunks, replication of those data and indexing their availability are usually completely decoupled. And a task of synchronizing data is passed to either user-level tools or separate services (like spiders) which are subject to failure and usually cannot perform properly if one of underlying services fails too. The NorduGrid Sm

Popular Abstract in Swedish Analysen av källornas uppgifter om uppbyggnadsfasen av de väpnade styrkorna under Muhammad och hans efterföljare kaliferna fram till 680 ger vid handen, att vi här har att göra med en organisation som stod på en likvärdig nivå med sina fiender i ledningsmässigt, strategiskt och taktiskt hänseende. Angreppet på de östromerska provinserna Palestina I-III och Arabia visar In the present work I have studied how the armed forces under Muhammad and the first caliphs were built up and how they operated in the period 622-80. The perspective is that of the history of religion and strategic theory, and comparisons are made with both contemporary and more recent material. The concept of "Strategic surprise attack" formed an important part of the campains that the generals

Lightweight walls and floors are often designed as frameworks of studs with plates on each side - a double-plate structure. The free wave-modes and periodic wave motion of a double-plate system reinforced by joists are analysed in the present paper (as the insertion loss and impact sound insulation have been studied in previous papers). The free wave-modes can in a future step be used in connectio

A review describes the sample prepn. for biochem. methods, enrichment methods, immunol. methods, and phys. methods. The pretreatment of a complex biol. sample is crucial, and for successful PCR the following requirements have to be fulfilled: complete lack or low concn. of PCR-inhibitory components in the sample and sufficient concn. of target DNA. The aim of the pre-PCR treatment is to convert a

The aim of this thesis was to evaluate risk factors for fractures in patients with primary hyperparathyroidism (pHPT), to study the association between preoperative variables and postoperative changes in bone density and to investigate long-term changes and peripheral PTH sensitivity in patients with elevated PTH levels after surgery. 203 pHPT patients were investigated with regard to clinical and

The process of selecting the right set of requirements for a product release is highly dependent on how well we succeed in prioritising the requirements candidates. There are different techniques available for requirements prioritisation, some more elaborate than others. In order to compare different techniques, a controlled experiment was conducted with the objective of understanding differences

A series of studies pertaining to the STIC calorimeter at the DELPHI experiment at LEP is presented, and a new generation of fast wire scanners for emittance measurements at PS is described. The STIC studies are centered around a single-photon analysis, in which the reaction e+ e- -> gamma + invisible particles was studied at center-of-mass energies of 161, 172 and 183 GeV. The cross section thus