Essays about: "GR"

Showing result 21 - 25 of 39 essays containing the word GR.

  1. 21. Electron Assisted Growth of h-BN on Gr/Ir(111)

    University essay from Lunds universitet/Synkrotronljusfysik; Lunds universitet/Fysiska institutionen

    Author : Virginia Boix De La Cruz; [2018]
    Keywords : Two-dimension materials; 2D; Graphene; hexagonal Boron Nitride; Growth; CVD; STM; XPS; Physics and Astronomy;

    Abstract : Stacked heterostructures of two-dimensional (2D) materials are emerging as promising building blocks for a wide range of applications. These devices, which range from tunneling transistors to light-emitting diodes, use the properties of 2D materials that are not accessible by their bulk counterparts. READ MORE

  3. 22. Power system performance when implementing dynamic rating on a wind farm connected transformer

    University essay from KTH/Elektroteknisk teori och konstruktion

    Author : Rikard Karlsson; [2017]
    Keywords : ;

    Abstract : In this study, dynamic transformer rating (DTR) is applied on a medium power transformer thatis in use in the regional transmission grid. The transformer’s rated apparent power is 63 MVA, itis connected between a wind farm at 22kV and the grid, K¨orsb¨arsdalen, at 135kV. READ MORE

  4. 23. Analysis of Wi-Fi performance data for a Wi-Fi throughput prediction approach

    University essay from KTH/Skolan för informations- och kommunikationsteknik (ICT)

    Author : Dan Pan; [2017]
    Keywords : ;

    Abstract : Due to low cost and portability of Wi-Fi technologies, wireless network deployment has been widely accepted in the residential environment. The evaluation results of customers’ home wireless network performance level provides a reference for operators to improve their network capacity in order to face the emerging requirement of Wi-Fi service. READ MORE

  5. 24. Mutual fund performance in the Swedish premium system - Beyond the mean-variance framework

    University essay from Lunds universitet/Nationalekonomiska institutionen

    Author : Rasmus Håkansson; [2017]
    Keywords : PPM mutual fund performance higher moments Sharpe ratio; Business and Economics;

    Abstract : This paper presents an evaluation of the Swedish pension system, using performance measures that accounts for higher moments of the distribution. The aim of this study is to analyze the relationship between the classical Sharpe ratio and more sophisticated measures, while specifically focusing on the outcome of the default fund in the system. READ MORE

  6. 25. Trends in wood biofuel production, marketing and utilization in Latvia

    University essay from SLU/Southern Swedish Forest Research Centre

    Author : Klāvs Ielejs; [2017]
    Keywords : Biofuel production; Latvia renewable energy sector; wood biofuel producers; energy policy goals;

    Abstract : Wood biofuel production and use of wood biofuel is an important part of the Latvian economy because it is an alternative to fossil energy sources. That encourage to the preservation of the environment and offers an opportunity to achieve the objectives set by the EU and Latvia in relation to the use of renewable energy production. READ MORE