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Showing result 1 - 5 of 28 essays matching the above criteria.

  1. 1. Analysis of fatty acids in fatty acid-based herbicides by gas chromatography

    University essay from Lunds universitet/Kemiska institutionen

    Author : Mohamad Abd Elwadood; [2023]
    Keywords : Analytical Chemistry; Fatty Acids; Gas Chromatography; Green Herbicides; Retention Index; Flame Ionization Detector; Mass Spectrometry; Supercritical Carbon Dioxide Extraction.; Chemistry;

    Abstract : Fatty acids-based herbicides are considered to be a green alternative to synthesized weed control products. However, the environmentally sustainable effect of those herbicides needs more investigation to be confirmed. READ MORE

  3. 2. The State of the Guatemalan Education System through an Analysis of Teachers’ Education Programs

    University essay from Lunds universitet/Sociologi

    Author : Megan Cristina Rothwell Guerra; [2023]
    Keywords : Guatemala; Education; Middle-range theory; professions; teachers; Social Sciences;

    Abstract : Improvement of the Guatemalan national education system is a center for development. Many attempts have been made over the years to improve the system; one, in particular, is the creation of the National System for Teacher Training. READ MORE

  4. 3. Investigating the Estimation of the infection rate and the fraction of infections leading to death in epidemiological simulation

    University essay from Uppsala universitet/Avdelningen för systemteknik

    Author : Jakob Gölén; [2023]
    Keywords : Epidemics; Compartmental Models; Parameter Inference; Synthetic Bootstrap; Infection Rate;

    Abstract : The main goal of this project is to investigate the behaviors of parameters used when modeling an epidemic. A stochastic SIHDRe model is used to simulate how an epidemic evolves over time. READ MORE

  5. 4. Integrated membrane reactor for the production of butyl butyrate starting from biomass

    University essay from KTH/Fiber- och polymerteknologi

    Author : Carlos Rubio; [2023]
    Keywords : butyl butyrate; butanol; butyric acid; membrane technology; enzymatic catalysis; butylbutyrat; butanol; smörsyra; membrane teknologi; enzymatisk katalys;

    Abstract : Efterfrågan på energi ökar snabbt, och denna trend förväntas bestå. Det råder dock ingen tvekan om att världen för närvarande befinner sig i en energikris, som är en katastrof både ekonomiskt och miljömässigt. Följaktligen är sökandet efter alternativa energikällor för att ersätta fossila bränslen absolut nödvändigt. READ MORE

  6. 5. Generating Synthetic CT Images Using Diffusion Models

    University essay from Umeå universitet/Institutionen för fysik

    Author : Salih Saleh; [2023]
    Keywords : Machine learning; artificial intelligence; generative models; diffusion models; MRI; CT; synthetic CT; radiation therapy;

    Abstract : Magnetic resonance (MR) images together with computed tomography (CT) images are used in many medical practices, such as radiation therapy. To capture those images, patients have to undergo two separate scans: one for the MR image, which involves using strong magnetic fields, and one for the CT image which involves using radiation (x-rays). READ MORE