The key materials used to convert solar energy into electricity in the Grätzel-type solar cells are dye molecules and titanium dioxide particles attached to each other. The former are similar to those in common products like purple pigments in blueberry juice, while the latter are like sunscreen, white paint, or toothpaste. Their size, measured in nanometers, is a hundred thousand times smaller th

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Det svenska fackliga landskapet befinner sig i stark omvandling. Ständiga sammanslagningar medför allt färre men större fackförbund, som å andra sidan hotas av sjunkande organisationsgrad, särskilt bland de unga. Den svenska fackföreningsstrukturen är fortfarande världens mest socialt segregerade genom uppdelningen i LO, TCO och SACO. Nya fackliga konstellationer framträder inte desto mindre på tv

ABSTRACT Titel: Music teachers’ discretionary power – possibilities and limitations. According to previous research in music education, during recent decades the working conditions for professional music teachers in schools have changed radically. The aim of this thesis is to investigate the working conditions of music teachers by focusing on their experiences of and ideas about discretionary pow

Översikt av transportrelaterade åtgärder vidtagna av Hallands läns hushållningssällskap.

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This article deals with cooperation in criminal matters in the Nordic countries, especially academic and judicial cooperation.

Popular Abstract in Swedish Syfte: Att studera de inter- och intramolekylära processer som sker efter excitation av en porfyrinmolekyl. De huvudsakliga pigmenten i det fotosyntetiska antennsystemet; klorofyll a, klorofyll b, samt bakterioklorofyll a är alla porfyriner, som absorberar solljus och transporterar energin till ett reaktionscenter där energin används för laddningsseparation och elektroThis thesis describes inter and intramolecular dynamics in porphyrin molecules. To create a basis for understanding the energy and electron transfer processes in photosynthesis, the ultrafast dynamics of monomeric chlorophyll a, chlorophyll b and bacteriochlorophyll a were studied with ultrashort laser pulses. The transient absorption spectra of all three molecules were found to have pronounced co

In recent years two new finds of miniature weapons and tools have been made on the Iron Age site of Uppåkra. Because of this it is my intention to present an alternative interpretation that might perhaps supplement earlier studies of these objects. The idea came to me while reading about the Iron Age woman being adopted into her husband 's family in connection with the wedding and the rituals link

Dietary factors have been reported to affect the development of spontaneous diabetes in various colonies of inbred and outbred diabetes-prone (DP) BioBreeding (BB) rats. Several studies have attributed a protective effect to a diet omitting crude protein mixtures in favor of purified casein, hydrolyzed casein, or free amino acids. We have used inbred BB rats, all of which become diabetic in specif