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Swedish Butterfly Monitoring Scheme, annual report for 2011

This is the second annual report for the Swedish Butterfly Monitoring Scheme, a national monitoring programme coordinated by Lund University for the Swedish Environmental Protection Agency since 2010. The programme is a partnership between the Entomological Society of Sweden, the Swedish Environmental Protection Agency, Lund University, the Swedish University of Agricultural Sciences and the Swedi

Biosensors and Automation for Bioprocess Monitoring and Control

Bioprocess monitoring and control is a complex task that needs rapid and reliable methods which are adaptable to continuous analysis. Process monitoring during fermentation is widely applicable in the field of pharmaceutical, food and beverages and wastewater treatment. The ability to monitor has direct relevance in improving performance, quality, productivity, and yield of the process. In fact, t

Fuel Production From Gasified Biomass-A Feasibility Study

To produce fuel from gasified biomass is a way to manufacture carbon dioxide neutral fuels for transport purposes. The biomass is gasified by heat in a gasification unit, with or without nitrogen, and the resulting mixture consist of hydrogen, carbon dioxide, carbon monoxide, methane, steam, higher hydrocarbons in low concentration and tars. The gas will also contain nitrogen, argon, ammonia, hydr

Pay-What-You-Want in Competition

Pay-What-You-Want (PWYW) pricing schemes are popular in certain industries and not others. We model the seller's choice of pricing scheme under various market structures assuming consumers share their surplus. We show that the profitability and popularity of PWYW depend not only on consumers' preferences, but also on market structure, product characteristics and sellers' strategies. While there is

Språkets speglingar : festskrift till Birger Bergh

Språkets speglingar är en hyllning till språket och den humanistiska traditionen. Den är tillägnad professor Birger Bergh som lämnade lärostolen i latin i juni 2000. 80 svenska och utländska forskare medverkar och ger tillsammans ett tvärsnitt av pågående forskning kring språket från studier över den kränkte Akilles vrede och synen på naturen i antiken till Selma Lagerlöfs högläsningskvällar och V

The ethanol-water humidification process in Evgt cycles

Ethanol from bio-products has become an important fuel for future power production. However, the present production technology is rather expensive. This paper focuses on how to lower the production cost of ethanol extraction from mash, and to use the ethanol as a primary fuel in gas turbines for heat and power production. Today, ethanol is produced during distillation by supplying energy to extrac