Bakgrund och syfte. Den svenska riksdagen har som ambition att till år 2020 lämna över ett samhälle till nästageneration där de stora miljöproblemen är lösta. Därför antog riksdagen år 1999 femtonnationella miljökvalitetsmål som anger vilket miljötillstånd som ska ha uppnåtts inom engeneration. Miljömålssystemet har senare kompletterats med ett sextonde miljömål samt ettantal delmål som är tidssat

This work explores the n-well/p-substrate photodiode in a deep submicron CMOS process. A CMOS chip is designed featuring different structures of the photodiode. When characterized at a wavelength of 850nm DC responsivities between 0.12 and 0.16 A/W and 3-dB bandwidths of about 6 MHz with a roll-off of about 5.5dB/decade are measured. These investigations are very useful in designing the transimped

Popular Abstract in English European dry extensive grasslands are biodiversity hotspots which are severely threatened by land use intensification and abandonment. In order to plan efficient conservation actions it is necessary to collect information on the current status of grasslands, their species diversity and prevailing environmental conditions. Remote sensing technology in combination with grAs a consequence of agricultural intensification, large areas of species-rich grasslands have been lost and farmland biodiversity has declined. Previous studies have shown that the continuity of grazing management can have a significant influence on the environmental conditions and the levels of plant species diversity in grassland habitats. The preservation of species-rich grasslands has become a

From a paradigmatic understanding of tourism, the thing about tourism experiences is that they differ from everyday life. You experience different places, see different people, get to know different ways of doing things, and so on. To do tourism, then, is to experience a series of changes from the ordinary. Several things change in the course of the making and consumption of a tourism product. For

Existing econometric approaches for studying price discovery presume that the number of markets are small, and their properties become suspect when this restriction is not met. They also require making identifying restrictions and are in many cases not suitable for statistical inference. The current paper takes these shortcomings as a starting point to develop a factor analytical approach that mak

Popular Abstract in Swedish Kring millenieskiftet 2000 skulle den nya ekonomins företag framför allt vara snabba. Men vad är då egentligen ett snabbt företag, och hur blir ett företag snabbt? Internetkonsultföretaget Framfab (Framtidsfabriken) kom under ett par år att representera just de snabba företagen i Sverige. Med sin VD Jonas Birgersson i spetsen och med hjälp av ny digital teknik skulle föFor some years the new economy in Sweden was to a high extent represented by a couple of new and fast growing companies. One of these was the Internet consultancy Framfab (Framtidsfabriken). The company became synonymous with the unusual and exciting, a new kind of business, new products and new attitudes. In national media Framfab was mostly represented by its C.E.O. Jonas Birgersson, who in ofte

Gaia is ESA’s ambitious space astrometry mission with a foreseen launch date in early 2012. Its main objective is to perform a stellar census of the 1000 Million brightest objects in our galaxy (completeness to V=20 mag) from which an astrometric catalog of micro-arcsec level accuracy will be constructed. A key element in this endeavor is the Astrometric Global Iterative Solution (AGIS) - the math

Vännerna från skoltiden har för många en stor betydelse. När den kände palestinsk-amerikanske litteraturvetaren Edward W. Said skrev sitt livs historia insåg han att just vännerna från sina tidiga skolår påverkat hans liv mer än vad andra vänner gjort. I "Utan Hemvist" berättar han också om sin mamma. När mamman talade om en person som hon uppskattade och spenderade mycket tid tillsammans med på ä