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Showing result 1 - 5 of 34 essays matching the above criteria.

  1. 1. Effect of mixing time and mixing rate on the evolution of powderproperties for binary adhesive mixtures

    University essay from Uppsala universitet/Institutionen för farmaceutisk biovetenskap

    Author : Noveen Muslih Sadullah; [2024]
    Keywords : Adhesive mixture; mixing time; mixing rate; Budesonide; Lactopress SD;

    Abstract : Dry powder inhalers (DPIs) are often used to deliver drugs to the lungs when treating respiratory diseases. Inhalation powders are often formulated as adhesive mixtures which is the main formulation type used for dry inhalation powders of pharmaceuticals. READ MORE

  3. 2. Space Utilization in Road Transportation: A Case Study of Truck Deliveries

    University essay from Göteborgs universitet/Graduate School

    Author : Marija Nikolova; Sirious Nterai; [2023-07-03]
    Keywords : Distribution; Emissions; Packaging; Truck deliveries; Space Utilization; Space Optimization;

    Abstract : Aim: To understand why big logistics companies do not focus their resources on improving space utilization and decreasing the phenomenon of empty running. Moreover, this study aims to present the potential economic and environmental benefits of reduced excess air in packaging and its effect on truck deliveries. READ MORE

  4. 3. Investigation of Analog Calibration Systems for Spurious Tone Suppression in Frequency Triplers

    University essay from Lunds universitet/Institutionen för elektro- och informationsteknik

    Author : Cristian Alexandru Ghihanis; Barath Copparam Santhanakrishnan Sudarsan; [2023]
    Keywords : Delay-Locked Loop; DLL; Edge-Combining; EC; EC DLL; Edge-Combining Delay-Locked Loop; spurious tone calibration; spurs calibration; spurious tones compensation; spurs compensation; Technology and Engineering;

    Abstract : The market for Wi-Fi receiver designs for latest Wi-Fi standards, that cover RF bands in the 2.4 GHz, 5 GHz and 6 GHz spectrum, require increasingly stringent power consumption limitations as more of the market is driven towards battery-powered devices. READ MORE

  5. 4. Characterisation of Ionic Liquid doped Polybenzimidazole Membranes for Application in High-Temperature Proton Exchange Membrane Fuel Cells

    University essay from Lunds universitet/Kemiteknik (CI)

    Author : Adam Jacobsson Trönndal; [2023]
    Keywords : Fuel cells; Phosphoric acid; Polybenzimidazole; PA-PBI; Ionic liquid; IL; High temperature proton exchange membrane fuel cell; HT-PEMFC; Electrochemical impedance spectroscopy; EIS; IL-PBI; Chemical engineering; Technology and Engineering;

    Abstract : In this study four membranes were tested and evaluated against each other for use in high-temperature proton exchange membrane fuel cell (HT-PEMFC) applications. A phosphoric acid (PA) doped polybenzimidazole (PBI) membrane, was used as a reference as the current state-of-the-art. READ MORE

  6. 5. Thermal Investigation of the Green Revolution Energy Converter : A study on the heat transfer within the GREC in regards of temperature distribution and heat rate

    University essay from Linköpings universitet/Mekanisk värmeteori och strömningslära

    Author : Wilma Fager; Maja Abrahamsson Bolstad; Emma Gustafsson; Emma Andersson; Matilda Eriksson; [2023]
    Keywords : GREC; Energy; Heat transfer; Heat rate; Temperature distribution;

    Abstract : To reduce emissions, new technological solutions can be of use. One technology which is currently being developed is the Green Revolution Energy Converter, GREC. GREC is an engine with the aim to produce electricity from temperature gradients.  This project is part of a greater project that is divided in two with different focus areas. READ MORE