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In this paper we consider Mark Bedau’s notion of weak emer- gence (WE) and relate it to various attempts to objectively construe complexity. We argue that the heavy reliance on a specific notion of complexity risks rendering the concept superfluous. Furthermore we discuss what sort of systems might reasonably be understood as exhibiting emergence at all and point out that the macro-level needs to
Desalting technologies and fresh water production has been developed over the years, including primarily thermal and membrane processes. Five different types of desalination technology were studied and compared for long-term of use namely, thermal processes include multistage flash evaporation (MSF), multiple effect evaporation (ME), and vapor compression (VC) and membrane processes contain revers
This paper explores a housing market with an existing tenant in each house and where the existing tenants initially rent their houses. The idea is to identify equilibrium prices for the housing market given the prerequisite that a tenant can buy any house on the housing market, including the one that he currently is possessing, or continue renting the house he currently is occupying. The main cont
Theory of elasticity is the most used assumption in pavement design. Highway materials are neither elastic nor homogenous. Therefore there is a need for models which are based on more realistic assumptions. UGM shows time dependency in nature. This is reflected in a viscous response close to the surface and an elastic response deeper down the construction. Time dependencies of soils are relatively
Not available.
Serotonin (5-HT) at low concentrations induces an endothelium-dependent relaxation in the rat jugular vein mediated via a 5-HT1-like receptor. The receptor mediating this relaxation was characterized in vitro using agonists and antagonists in segments precontracted with prostaglandin F2 alpha in the presence of the 5-HT2 receptor antagonist ketanserin. The following substances acted as agonists, w
In this paper we investigate, determine and classify the critical configurations for solving structure and motion problems for 1D retina vision. We give a complete categorization of all ambiguous configurations for a 1D (calibrated or uncalibrated) perspective camera irrespective of the number of points and views. It is well-known that the calibrated and uncalibrated case are linked through the ci
InledningDet är kväll den 15:e januari 2004. Idag var det den andra dagen i Mijailovic-rättegången i Stockholms tingsrätt. Mijailovic försvarar sig, men inte genom att svara på frågor. Han representerar det moderna. Hans psykos, säger han, fick honom att få panik, höra röster och döda en utrikesminister. Om han fått träffa en läkare skulle allt varit annorlunda. Sedan början av 1800-talet har dett
Human blood group antigens are unique, inherited polymorphisms on the extracellular surface of red blood cells. They have been used as genetically discrete markers of human polymorphism since the discovery of the ABO system in 1900. Since then, many blood group antigens have been identified, the genes cloned, and their biological significance elucidated. Blood group antigens and antibodies play an
This group previously identified a peptide p13 of alpha 3(IV)NC1 domain of type IV collagen that induces experimental autoimmune glomerulonephritis (EAG) in rats with generation of antibodies to sites on alpha 3(IV)NC1 external to the peptide as a result of intramolecular epitope spreading. It was hypothesized that intermolecular epitope spreading to other collagen IV chains also was induced. Rats
We present a flexible and compact, digital, lock-in detection system and its use in high-resolution tunable diode laser spectroscopy. The system involves coherent sampling, and is based on the synchronization of two data acquisition cards running on a single standard computer. A software-controlled arbitrary waveform generator is used for laser modulation, and a four-channel analog/digital board r
