Sökning: "Column test"

Visar resultat 6 - 10 av 83 uppsatser innehållade orden Column test.

  1. 6. Samverkande bropelare av kvarsittande 3D-utskriven betongform & igjuten SKB

    Kandidat-uppsats, KTH/Byggteknik och design

    Författare :Elias Bahdi; Mahdi Hassani; [2023]
    Nyckelord :;

    Sammanfattning : In summary, this study demonstrates the potential of using 3D-printed concrete forms to innovate the use of concrete. By eliminating the need for traditional wooden or steel molds, both time and materials can be saved. LÄS MER

  3. 7. Compression Selection for Columnar Data using Machine-Learning and Feature Engineering

    Master-uppsats, Malmö universitet/Institutionen för datavetenskap och medieteknik (DVMT)

    Författare :Douglas Persson; Ludvig Juelsson Larsen; [2023]
    Nyckelord :Machine Learning; XGBoost; Classification; Feature Engineering; Compression Algorithms; Data Encodings; Database Management System DBMS ; Column- Oriented DBMS;

    Sammanfattning : There is a continuously growing demand for improved solutions that provide both efficient storage and efficient retrieval of big data for analytical purposes. This thesis researches the use of machine-learning together with feature engineering to recommend the most cost-effective compression algorithm and encoding combination for columns in a columnar database management system (DBMS). LÄS MER

  4. 8. Methods for Comparing Database Management Systems

    Master-uppsats, Linköpings universitet/Medie- och Informationsteknik; Linköpings universitet/Tekniska fakulteten

    Författare :Jakob Törnqvist; [2023]
    Nyckelord :DBMS; mongodb; postgresql; apache cassandra; memcached; neo4j; ease of implementation; performance tests; graph DBMS; document DBMS; wide-column DBMS; relational DBMS; cache; database; database management system;

    Sammanfattning : Zenon AB is an it-company of which, this thesis was made in collaboration with. Zenon AB has clients that generate large amounts of data, therefore it is important for Zenon AB that they make competent choices of database management systems (DBMS) when designing systems for their clients. LÄS MER

  5. 9. Processing of ERT data from Stabilised Columns

    Uppsats för yrkesexamina på avancerad nivå, Lunds universitet/Teknisk geologi; Lunds universitet/Väg- och vattenbyggnad (CI)

    Författare :Mårten Petersson; [2023]
    Nyckelord :inversion; ERT; quality control; jet grouting; aarhusinv; Technology and Engineering;

    Sammanfattning : Modern construction sites are associated with high demands on suitable soil conditions, resulting in geotechnical challenges that can be solved using soil stabilisation techniques. The reliability of these techniques is tested using different quality assurance methods. LÄS MER

  7. 10. The effect of temperature on the chemical stability of Vitamin C in a cosmetic product – Development of an HPLC-method for quantitative analysis

    Master-uppsats, KTH/Tillämpad fysikalisk kemi

    Författare :Sofia Thuresson; [2022]
    Nyckelord :Vitamin C; HPLC; Stability; Degradation; Antioxidant; Vitamin C; HPLC; Stabilitet; Nedbrytning; Antioxidant;

    Sammanfattning : Vitamin C är en populär ingrediens i hudvårdsprodukter, bland annat på grund av dess positiva effekter på kollagen-produktionen i huden och dess antioxidativa egenskaper. Dessvärre är vitamin C en känslig ingrediens som lätt bryts ned av ljus, syre, hög temperatur eller fel pH-värde. LÄS MER