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Now showing items 21-30 of 804
En stock blockas och klyvs till sparrar
(Hantverkslaboratoriet, 2014)
Timmermännen Karl Magnus Melin och Daniel Eriksson blockar och klyver en stock till två sparrar. Arbetet sker med yxa direkt i skogen och ingår i rekonstruktionen av Södra Råda medeltidskyrka. Filmat i Hökensås, Västergötland, ...
Structural and functional studies of the ATP-dependent Clp proteases in cyanobacteria
(2014-09-17)
Proteins are essential in all living organisms and they are involved in a myriad of biological functions. It is vital for cells to have efficient surveillance and quality control systems that ensure damaged proteins are ...
Ecological genetics of inbreeding, outbreeding and immunocompetence in Ranid frogs
(2008-11-21)
Using artificial fertilization, I crossed frogs from different populations to evaluate fitness consequences for the offspring from an inbreeding-outbreeding perspective, and to evaluate quantitative genetic effects on ...
Excited States in Negative Ions
(2014-05-07)
This thesis covers experimental studies of atomic negative ions with the main goal of increasing our fundamental understanding of these fragile quantum systems. Comparisons of measurements and calculations have been used ...
The Carbon Dioxide System in the Baltic Sea Surface Waters
(2011-05-26)
The concentration of carbon dioxide (CO2) in the atmosphere is steadily increasing because of human activities such as fossil fuel burning. To understand how this is affecting the planet, several pieces of knowledge of the ...
Homochiral Crystals for Selective Synthesis
(2011-04-13)
Six new coordination compounds were prepared from monodentate sulfide
ligands and copper(I) halides and their crystal structures were determined
by single-crystal X-ray diffraction. The aim was to prepare coordination
polymers ...
The evolution of flat periwinkles Littorina fabalis and L. obtusata emhasizing mitochondrial introgression and restricted recombination
(2008-09-12)
The evolution of species takes in general very long time and different mechanisms are likely to operate during the various stages of this process. Accordingly speciation should be studied at different levels of species ...
Electrochemical and microscopic analysis of chemical signalling in biological systems
(2019-10-01)
Cellular communication is a prerequisite in multicellular organisms in order to survive. Many times, this communication occurs through the highly controlled and regulated release of chemical signals through a process known ...
Carbon and nutrient cycling in Afromontane tropical forests at different successional stages
(2016-11-18)
To date, studies of the carbon and nutrient cycling in tropical montane forests have been restricted to a few, mostly neotropical, sites. This thesis investigated the carbon and nutrient cycling of early (ES) and late (LS) ...