Sökning: "crystalline swelling"

Hittade 5 uppsatser innehållade orden crystalline swelling.

  1. 1. Stratigraphy and palaeoenvironment of the early Jurassic volcaniclastic strata at Djupadalsmölla, central Skåne, Sweden

    Master-uppsats, Lunds universitet/Geologiska institutionen

    Författare :Per Wahlquist; [2023]
    Nyckelord :volcaniclastic; Djupadalsmölla; CSVP; palynomorphs; early Jurassic; late Pliensbachian; Earth and Environmental Sciences;

    Sammanfattning : From the almost 200 volcanic outcrops in the Central Skåne Volcanic Province (CSVP), only three are of volcaniclastic material. These volcanoclastics, and the transition to the underlying crystalline basement, have been investigated for the first time in a drill core (KBH2) from Djupadalsmölla in order to understand the stra-tigraphy, depositional process, age of deposition, and depositional environment. LÄS MER

  3. 2. Development and characterization of an eco-friendly cosmeceutical formulation with optimal performance.

    Master-uppsats, Lunds universitet/Livsmedelsteknik och nutrition (master)

    Författare :Marshall Ringisayi Machingauta; [2022]
    Nyckelord :Emulsifier; lamellar liquid crystals; o w emulsions; phosphatidylcholine; small-angle X-ray scattering SAXS ; shea butter; pharmaceutical technology; Technology and Engineering;

    Sammanfattning : Cosmetic innovations are about finding high performing creative solutions that deliver into the consumer trends. The consumer trend within the cosmetic industry is currently driving a growing demand for more clean, natural skin care products with sustainable credentials. LÄS MER

  4. 3. Enhancement of Phenol Formaldehyde Adhesive with Crystalline Nano Cellulose

    Uppsats för yrkesexamina på grundnivå, Linnéuniversitetet/Institutionen för skog och träteknik (SOT)

    Författare :Johan Ekstrand; [2019]
    Nyckelord :Nano Cellulose; Fibrillated cellulose; Wood Adhesive; Shear strength; Adhesive Enhancement; Formaldehyde adhesive; Phenol Formaldehyde;

    Sammanfattning : Abstract The wood industries to this day use almost exclusively petroleum derived adhesives that are based mainly on the reaction of formaldehyde with urea, melamine or phenol. These adhesives have low cost and good adjustable properties which makes it hard for bio-based alternatives to compete. LÄS MER

  5. 4. Kinetics of Swelling Applied on Gelatine

    Uppsats för yrkesexamina på avancerad nivå, Lunds universitet/Livsmedelsteknik och nutrition (master)

    Författare :Victor Norgren; [2015]
    Nyckelord :fluid dynamic gauging FDG ; gravimetric measurements; pseudo-sigmoidal model PSM ; pseudo-second order model; Ofner; Robinson; Hofmeister; gelatine; swelling; food engineering; livsmedelsteknik; bio-polymers; anisotropic material; Arrhenius equation; physical chemistry; photography; pharmaceutics; Agriculture and Food Sciences;

    Sammanfattning : This report is about the measurements of swelling gelatine films of different thickness and at different temperature. The research has been mainly focused on finding a suitable model. Results have shown that the new Pseudo-Sigmoidal Model (PSM) is superior to previous quasi-second order models such as the Robinson and Ofner model. LÄS MER

  7. 5. The swelling pressure of bentonite and sand mixtures

    Master-uppsats, KTH/Skolan för kemivetenskap (CHE)

    Författare :Sandra Sánchez González; [2013]
    Nyckelord :Swelling pressure; bentonite and sand mixture; crystalline swelling; osmotic swelling; mechanistic model; montmorillonite.;

    Sammanfattning : The compacted bentonites are used as buffer and backfill materials for engineering barriers for high-level nuclear waste repositories located underground. For this purpose, it is very important to evaluate the swelling characteristics of this clay. The swelling capacity is one of the most important properties of the bentonite clay. LÄS MER