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Found 2 essays matching the above criteria.

1. 1. Bacteria - based self - healing mortar with bio - plastic healing agents : Comparative analysis on quantification and characterization of self-healing by various experimental techniques

   University essay from KTH/Betongbyggnad

   Author : Rahul Roy; [2020]
   Keywords : Mortar; crack; autonomous healing; bacteria; bioplastic; lactic acid derivatives PLA ; alkanoate derivatives AKD ; internal crack geometry; quantification; characterization; statistical analysis; Bruk; sprickbildning; självläkning; bakteriebaserademedel; bioplast; mjölksyrederivat PLA ; alkanoatderivat AKD ; inre sprickbildning; kvantifiering; karakterisering; statistisk analys;

   Abstract : Crack formation in concrete structures due to various load and non-load factors leading to degradation of service life is very common. Repair and maintenance operations are, therefore, necessary to prevent cracks propagating and reducing the service life of the structures. READ MORE

3. 2. Investigation of the Impact on Yeast Fermentation Performance in Production of Pale Lager Beer through Management Control

   University essay from Teknisk biologi; Tekniska högskolan

   Author : Zara Skogsberg; [2013]
   Keywords : Yeast Fermentation; Full Factorial Design; Wort Aeration; Yeast Dosage; Ester Production; Yeast Viability;

   Abstract : Through a full factorial design experiment, the effects of time between worts, wort aeration and yeast dosage in production of a pale lager beer were examined in the beer process at Spendrups Bryggeri AB. The aim was to learn how different parameters may affect the yeast fermentation performance during beer production. READ MORE