Search for dissertations about: "optimisation of extract"

Showing result 1 - 5 of 15 swedish dissertations containing the words optimisation of extract.

  2. 1. Optimisation Challenges in Pressurised Hot Water Extraction of Polyphenols: Extraction and Degradation Kinetics

    Author : Jiayin Liu; Centrum för analys och syntes; []
    Keywords : NATURVETENSKAP; NATURAL SCIENCES; Extraction kinetics; degradation kinetics; pressurised hot water extraction; optimisation; and anthocyanins; flavonoids; and polyphenols;

    Abstract : Pressurised hot water is an environmentally friendly alternative to hazardous organic solvents such as methanol and heptane. One of the many applications of using pressurised hot water extraction (PHWE) is to extract polyphenols from plants. The challenges in PHWE lies with the optimisation of extraction yield. READ MORE

  4. 2. Modelling and design approaches of magnetostrictive actuators

    Author : Mattias Oscarsson; Göran Engdahl; Tord Cedell; KTH; []
    Keywords : TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; Magnetostriction; Terfenol; Coil optimisation; Leakage flux; Modelling tools; Eddy currents; Magnetostriktion; Electrical engineering; Elektroteknik;

    Abstract : A magnetostrictive material elongates when it is subjected to a magnetic field. This effect can then be used to design powerful actuators. READ MORE

  5. 3. Simulation of manufacturing sequences for verification of product properties

    Author : Mats Werke; Torsten Kjellberg; KTH; []
    Keywords : TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; Manufacturing engineering and work sciences; Produktion och arbetsvetenskap;

    Abstract : The manufacturing sequence may to a large extent influence properties like residual stresses and hardness and, as a consequence, the fatigue life and shape accuracy of a component. By simulating the manufacturing sequence and extract important accumulated data, the possibilities of early analysis of a design concept of a component and optimisation of the complete manufacturing sequence may increase. READ MORE

  6. 4. Operation and maintenance performance of rail infrastructure : Model and Methods

    Author : Christer Stenström; Rommert Dekker; Luleå tekniska universitet; []
    Keywords : TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; Drift och underhållsteknik; Operation and Maintenance Engineering;

    Abstract : Congestion of roads and sky, increasing energy costs and a demand to reduce emissions, have created a need to shift transportation from road and air to rail. Consequently, rail utilisation is increasing, adding stress to the rail infrastructure and time constraints to maintenance. READ MORE

  7. 5. Perdeuteration of Biological Macromolecules: A Case Study of Human Carbonic Anhydrases

    Author : Katarina Koruza; Molekylär cellbiologi; []
    Keywords : NATURVETENSKAP; NATURAL SCIENCES; Neutron protein crystallography; deuteration; protein production; cancer; inhibitor; human carbonic anhydrase IX;

    Abstract : Deuterated biomolecules - where hydrogen atoms (H) are exchanged to its isotope deuterium (D) - are essential for biological experiments in neutron scattering, but they are not readily available. In neutron scattering, D has a strong positive coherent scattering length (6.67 fm) in comparison with the negative scattering length of H (-3.74 fm). READ MORE