Sökning: "Inoculation"

Visar resultat 1 - 5 av 129 avhandlingar innehållade ordet Inoculation.

1. 1. On the Nucleation and Inoculation of Metals

   Författare :Lena Magnusson; Hasse Fredriksson; Peter Schumacher; KTH; []
   Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; Solidification; nucleation; inoculation; undercooling; interface energy; refractory metals; latent heat; inclusions; nodular cast iron; Materials science; Teknisk materialvetenskap;

   Sammanfattning : Latent heat during recalesence and nucleation and post-recalesence temperature was analysed for refractory metals. An effect on latent heat was found by alloying the pure elements with other refractories. Latent heat was found to be 15-65% of tabulated values. Interface energy was evaluated from undercooling experiments. LÄS MER

3. 2. Biogas Production from Lignocellulosic Biomass : Impact of pre-treatment, co-digestion, harvest time and inoculation

   Författare :Chao LI; Bioteknik; []
   Nyckelord :Anaerobic digestion; Lignocellulosic biomass; Pretreatment; Co-digestion; Inoculation;

   Sammanfattning : Biogas or methane production through anaerobic digestion (AD) is gaining increasing attention worldwide due to concerns over global warming, energy security and the need for sustainable waste management. AD of lignocellulosic biomass is one facet that is highly appreciated since the conflict over biomass for food/feed or energy can be avoided. LÄS MER

4. 3. The two faces of smallpox : a disease and its prevention in eighteenth- and nineteenth-century Sweden

   Författare :Peter Sköld; Umeå universitet; []
   Nyckelord :HUMANIORA; HUMANITIES; epidemiologic transition; historical demography; infectious disease; inoculation; mortality; public health; smallpox; Sweden; vaccination;

   Sammanfattning : This study deals with the history of smallpox in Sweden between 1750 and 1900 and the two preventive measures that were used against it: inoculation during the eighteenth and vaccination during the nineteenth Century. Between 1750 and 1800 300,000 children died from smallpox in Sweden. LÄS MER

5. 4. On particles and slags in steel casting

   Författare :Dimitrios Siafakas; Anders E.W. Jarfors; Taishi Matsushita; Sridhar Seetharaman; Jönköping University; []
   Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; Hadfield steel; deoxidation; grain size; inoculation; particles; viscosity; slag;

   Sammanfattning : Hadfield steel is widely accepted as one of the most important steel alloys utilized in industrial applications where high impact strength and wear resistance is required. Like in most metallic alloys used for component casting, the mechanical properties of Hadfield steel are directly connected with the microstructure of the material. LÄS MER

7. 5. Slag inclusion formation during solidification of steel alloys and in cast iron

   Författare :Sofia Adolfi; Hasse Fredriksson; Karin Hansson; KTH; []
   Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; solidification; segregation; precipitation; inclusions; inoculation; EMPA; Other materials science; Övrig teknisk materialvetenskap;

   Sammanfattning : This thesis explores the formation of segregation and inclusions during solidification of steel and cast iron. A better understanding of the formation mechanism should result in decreasing fraction of defects during solidification of ingot and strand material. LÄS MER