Sökning: "yield"

Visar resultat 36 - 40 av 3213 uppsatser innehållade ordet yield.

  1. 36. Creating a High-Throughput Workflow for Automated Peptide Characterization using LC-MS

    Master-uppsats, Lunds universitet/Centrum för analys och syntes

    Författare :Sara Forsberg; [2023]
    Nyckelord :High-throughput analysis; Impurity profiling; UHPLC-HRMS; Peptide characterization; Peptide descriptors; Analytical chemistry; Technology and Engineering;

    Sammanfattning : In the early stage of a drug discovery project, there is a need for efficient methods that can analyse peptides in short time. This includes methods that confirm the peptide’s identity and estimates its relative purity in an efficient and reliable way. LÄS MER

  3. 37. Thermal Conversion of Cellulose-Lignin Precursors into Carbon Fibres

    Uppsats för yrkesexamina på avancerad nivå, Uppsala universitet/Nanoteknologi och funktionella material

    Författare :Sofia Westberg; [2023]
    Nyckelord :Carbon fiber; lignin; cellulose; continuous conversion;

    Sammanfattning : Carbon fibres are used in many applications thanks to their exceptional tensile properties in relation to their relatively low weight. These thin strands of at least 90% carbon are mixed with a matrix such as epoxy to form composites used for cars, wind turbines, prosthetics, and many other things. LÄS MER

  4. 38. Optimising Machine Learning Models for Imbalanced Swedish Text Financial Datasets: A Study on Receipt Classification : Exploring Balancing Methods, Naive Bayes Algorithms, and Performance Tradeoffs

    Kandidat-uppsats, Linnéuniversitetet/Institutionen för datavetenskap och medieteknik (DM)

    Författare :Li Ang Hu; Long Ma; [2023]
    Nyckelord :Imbalanced datasets; Swedish text financial datasets; Accuracy; Matthews correlation coefficient; Recall; Multinomial Naive Bayes; SMOTE; TomekLinks; Performance optimization;

    Sammanfattning : This thesis investigates imbalanced Swedish text financial datasets, specifically receipt classification using machine learning models. The study explores the effectiveness of under-sampling and over-sampling methods for Naive Bayes algorithms, collaborating with Fortnox for a controlled experiment. LÄS MER

  5. 39. An Attempt at Pricing Zero-Coupon Bonds under the Vasicek Model with a Mean Reverting Stochastic Volatility Factor

    Master-uppsats, KTH/Matematik (Avd.)

    Författare :Benjamin Neander; Victor Mattson; [2023]
    Nyckelord :Zero-coupon bond; Vasicek model; Two-factor interest rate model; Stochastic volatility.; Nollkupongobligation; Vasicek model; Räntemodell med två faktorer; Stokastisk volatilitet.;

    Sammanfattning : Empirical evidence indicates that the volatility in asset prices is not constant, but varies over time. However, many simple models for asset pricing rest on an assumption of constancy. LÄS MER

  7. 40. Eco-Social Reforms and the Paradox of Complex Change : A qualitative thematic analysis of the national media debate on the 2022 Chilean Constitution

    Master-uppsats, Uppsala universitet/Statsvetenskapliga institutionen

    Författare :Tilda Janbrink; [2023]
    Nyckelord :Eco-social-growth trilemma; eco-social policies; policy integration; public support for eco-social reforms; Chile; constitution; qualitative thematic analysis;

    Sammanfattning : By now, it is an acknowledged fact that economic growth, social justice, and environmental sustainability are interconnected. Often referred to as the eco-social-growth trilemma, the challenge is to achieve synergy between the objectives and avoid trade-offs. LÄS MER