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Johannes of Rheinfelden’s treatise on card-playing, the Ludus cartularum moralisatus (“the moral meaning of card-playing”) is not only an important source of the history of plays and pastimes but also gives valuable information about late medieval thinking concerning the organization of human society. Johannes writes that the newly introduced cards were something of a revelation for him and that h
Sedentary passerine birds living in temperate and boreal regions need a high metabolic capacity for thermogenesis to survive winter conditions. As a consequence of the increased thermogenic capacity, basal energetic demands rise at a time when resources and time to acquire them decrease. In a previous study, great tits (Parus major) from two localities in Fennoscandia with contrasting winter condi
Studies have shown that group work offers great possibilities for deeper learning compared to some more traditional teaching formats [1], but it can also lead to some new problems such as free-riding. Different aspects of group psychology and behaviour as well as impropriate group sizes can be used to explain why and how free-riding develops in groups. With careful course planning teachers can ser
Projektet Renässans 1.5 utgår ifrån det faktum att det i den traditionella produktutvecklingsprocessen normalt krävs flera iterationer i processens olika faser innan man kan nå en acceptabel kompromiss mellan estetiska krav och konstruktions- och tillverkningskrav. Den snabba utvecklingen inom optimeringsteknik och kunskapsbaserad konstruktion gör det möjligt att integrera ett datorbaserat formgivThe Renaissance 1.5 project was based on the observation that in traditional product development, several iterations are needed to obtain a compromise between engineering, manufacturing constraints and aesthetics. The rapid advances in optimisation methods and in knowledge-based engineering (KBE) make it possible to integrate engineering and manufacturing constraints in a computer-based industrial
This paper explores short and long-run changes in the energy to capital relation. The K/E ratio is calculated for Sweden 1870–2000, at the national, industrial and branch levels. A basic result is a substantial long-run increase in the K/E ratio which is positively correlated with the relative price pE/pK. The price response is stronger in energy intensive industries than in labour intensive indus
There has been an increasing interest in a new technique for making emulsions known as membrane emulsification, which uses a microporous membrane operated in cross-flow. The continuous phase is pumped along the membrane and sweeps away dispersed phase droplets forming from pore openings as shown in Fig. 1. The effects ofprocess parameters in membrane emulsification have been studied, especially on
This paper quantitatively analyzes the importance of taste versus health in food demand,as well as the effect on consumers’ experienced taste of the non-intrinsic value of healthy labels. Our analysis is based on taste experiments and Vickrey second price auctions on potato chips and bread. Our findings imply a large positive effect on demand for potato chips from higher taste scores: when consume
Popular Abstract in Swedish Bruket av slåtterängar som fodermarker har mycket gamla anor i Sverige. Slåtterängar karaktäriseras av att huvuddelen av de arter som växer här har inhemskt ursprung. De uppkom när människorna blev bofasta och klimatet så kallt att kreaturen behövde stallas under vintern (tidig Järnålder) och man därmed behövde vinterfoder till djuren. Idag är ängen en hotad biotop efteThe objectives of this thesis were to: 1) survey the vegetation in semi-natural meadows in south-central Sweden, 2) discern meadow vegetation changes in eight semi-permanent plots between studies performed in the 1960s and in 1990, 3) experimentally investigate the effects of variations in management intensity in one dry and one mesic meadow, 4) experimentally investigate the effects of different
A series of previous papers develops a dipole model in initial state impact parameter space that includes subleading effects such as running alpha strong, unitarity, confinement and saturation. Here some recent work is presented, where the model is applied to a new set of data: vector meson production in photon-proton, DVCS and t-dependence in elastic proton-proton collisions. This allows us to tu
After four years of queuing on the Swedish list for transplant kidneys, Sam was tired of waiting – he went to Pakistan and bought a new kidney. But where did the new kidney come from? And was the donation of the organ he received really voluntary? In this book, Susanne Lundin explores the murky world of organ trade, where desperate patients like Sam are small pieces in a big puzzle. In her ethnogr
Ley crops can be grown to provide a substrate for biogas vehicle-fuel production on a range of soils including marginal land. According to EU regulations, such biofuel currently has to achieve an emission reduction of 35%, but tightened goals of 50 and 60% will come into effect as early as 2017. In two field trials (one on marginal soil, one on productive soil) ley crop mixtures were tested and th
Popular Abstract in Swedish Under evolutionens gång har ett komplext system utvecklats för att hålla blodets kalkhalt konstant. Bisköldkörtelhormonet intar här en central roll. Sänkning av blodets kalkhalt ger upphov till ökad bisköldkörtelhormonsekretion. Bisköldkörtelhormonet påverkar njurar och skelett så att mer kalk återförs till blodbanan. Bisköldkörtelhormonet stimulerar också njurarna tillCalcium homeostasis after thyroid surgery was studied during the immediate postoperative period and after one year. One day after hemithyroidectomy ionised calcium decreased whereas basal PTH did not change. EDTA stimulated maximal and total PTH secretion and set-point decreased on postoperative day 1 and normalised on day 7. One year after hemithyroidectomy (n=10) total calcium and 1.25(OH)2D3 de
In present work, we describe the formation and deposition of mixed Langmuir monolayers composed of inert amphiphile molecular matrix and guest ligand-stabilized metal-core nanoclusters. Such approach allowed obtaining the ordered stable reproducible planar monolayer and multilayer nanocluster nanostructures on solid substrates. The use of novel polymeric Langmuir monolayers formed by amphiphilic p
The Ordovician jawed polychaete annelid Rhytiprion magnus has hitherto been recorded in erratic boulders of probable East Baltic provenance and in drill cores from Poland and North Estonia. In this study the stratigraphical range and geographical distribution are extended as R. magnus is recorded from the Silurian of Gotland (Sweden) and Indiana (U.S.A.). Hence, R. magnus is now known from the Mid
Reproductive success of territorial female mammals depends partly on their capability to defend their young from conspecific intruders. However, how this is related to the characteristics of females and their litter sizes is largely unknown. The defence activity of 25 female bank voles (Clethrionomys glareolus) in relation to the number of offspring was studied in a behavioural arena by manipulati
