Essays about: "substitut"

Showing result 1 - 5 of 89 essays containing the word substitut.

  1. 1. Formulation development, rheological characterization, and cosmetic evaluation of gel-creams

    University essay from Lunds universitet/Livsmedelsteknik och nutrition (master)

    Author : Carl Pontén; [2024]
    Keywords : Rheology; Texture analysis; Viscometry; Semisolids; Design of Experiments; Critical Process Parameters; Critical Quality Atttibutes; Pharmaceutical Technology; Technology and Engineering;

    Abstract : Oil in water (o/w) emulsions are thermodynamically unstable systems composed of small oil droplets dispersed in a continuous aqueous phase. This means that given enough time, the two phases will separate. Pharmaceutical emulsions are used as a method of administering the Active Pharmaceutical Ingredient (API) for topical applications. READ MORE

  3. 2. Screening pyrolysis bio-oil as binder for carbon anode in aluminium production

    University essay from KTH/Fiber- och polymerteknologi

    Author : Yazhe Wang; [2023]
    Keywords : Biomass; Bio-oil; Bio-pitch; Carbon Anode; Aluminum production; Biomassa; Bioolja; Biobeck; Kolanod; Aluminium Produktion;

    Abstract : Den högkvalitativa stenkolstjäran, som används som anodbindemedel inom aluminiumindustrin, innebär utmaningar när det gäller att möta kraven på kolanod. Dess produktion är beroende av ohållbara fossila bränslen, vilket bidrar till ökade koldioxidutsläpp. READ MORE

  4. 3. Perceived Liveliness Impact on Sense of Safety : A Study on Women’s Perceived Safety in Human-Lacking Urban Environments through Virtual Reality

    University essay from KTH/Skolan för elektroteknik och datavetenskap (EECS)

    Author : Ebba Rovig; [2023]
    Keywords : Perceived liveliness; women’s perceived safety; natural surveillance; street attributes; presence of others; virtual reality; urban environments; Upplevd livlighet; kvinnors uppfattade trygghet; naturlig övervakning; gatuattribut; närvaro av människor; virtuell verklighet; urbana miljöer;

    Abstract : Denna avhandling undersökte förhållandet mellan urbana attribut och upplevd livlighet och dess effekt på kvinnors upplevda säkerhet. Med utgångspunkt i teorier om naturlig övervakning [6] och vikten av att ha andra människor närvarande för att öka kvinnors säkerhet [17], utvärderades fysiska gatuattribut som förutspåddes öka miljöns livlighet. READ MORE

  5. 4. Thermodynamic modelling of the copper-zinc-tin ternary system : A study towards lead-free brass

    University essay from KTH/Materialvetenskap

    Author : Caterina Radogna; [2023]
    Keywords : Brass-based alloys; Lead-free brass; Calphad; Thermo-Calc; Thermodynamic description; Mässingsbaserade legeringar; Blyfri mässing; Calphad; Thermo-Calc; Termodynamisk beskrivning;

    Abstract : Lead (Pb) is frequently used as an alloying element in brass to enhance machinability and castability. However, this element poses a significant risk to human health and the environment. The 2021 revision of the Drinking Water Directive imposed stricter limits on Pb content in brass, encouraging the development of lead-free brass. READ MORE

  6. 5. Collaborative Exploration with Intermittent Communication : Inferring map information from exploration graphs

    University essay from KTH/Skolan för elektroteknik och datavetenskap (EECS)

    Author : Viktor Åkerblom Jonsson; [2023]
    Keywords : ;

    Abstract : Autonomous robots have a substantial presence in today’s society. A presence which increases with each passing year, as more and more problems may be handled by robots. As challenges in the field of Robotics are conquered, the field expands and new challenges appear. READ MORE