Essays about: "AURORA"

Showing result 36 - 40 of 52 essays containing the word AURORA.

  1. 36. Recovery and Flight Data Recording System for Free Falling Units Ejected From Sounding Rocket

    University essay from KTH/Skolan för elektro- och systemteknik (EES)

    Author : David Rozenbeek; Erik von Keyserlingk; [2017]
    Keywords : ;

    Abstract : The aurora phenomena is a remarkable sight, commonlyrefereed to as polar or northern lights. A previous spaceexperiment SPIDER was dedicated to measure electric fieldsand characterize plasma properties in the aurora, using tenFree Falling Units (FFU) ejected from a sounding rocket. Theexperiment was successful but some problems arose. READ MORE

  3. 37. Do Markets Reward Green Investing?

    University essay from Lunds universitet/Nationalekonomiska institutionen

    Author : Kleopatra Partalidou; Aurora Kodra; [2017]
    Keywords : Environmental performance; Environmental responsibility; Financial performance; Green Investing; Business and Economics;

    Abstract : This master essay provides an elaborate study of the relationship between the environmental and the financial performance of corporations with focus on the European market. It aims to identify the nature and significance of this relationship, using a sample that is taken from different business sectors across 17 European countries over the seven-year period from January 2010 to December 2016. READ MORE

  4. 38. Time dependence of average structure size and precipitation energy in pulsating aurora

    University essay from KTH/Rymd- och plasmafysik

    Author : Karl Bolmgren; [2017]
    Keywords : ;

    Abstract : Pulsating aurora is low intensity aurora appearing in limited structures with quasiperiodicalmodulations in intensity. The highly energetic electron precipitation associatedwith pulsating aurora has been shown to cause chemical changes as far downas the mesosphere, causing ozone depletion. READ MORE

  5. 39. Development of a Tunable Frequency Shift Filter Using a Praseodymium Doped Y2SiO5-Crystal

    University essay from Lunds universitet/Fysiska institutionen

    Author : Yupan Bao; [2016]
    Keywords : Ultrasound Optical Tomography UOT ; Off-resonant Slow Light; Filter; Frequency Shifter; Spectral Hole Burning Technique; Rare-earth-ion-doped Crystal; Physics and Astronomy;

    Abstract : In this thesis, a tunable frequency shift filter (FSF) with a 1 ~ 2 MHz passband created in a praseodymium doped Y2SiO5-crystal using a special hole burning technique is developed and tested. The FSF is able to shift the frequency of its passband and the light passing through the passband by applying an external electric field, where the frequency shift is proportional to the applied field. READ MORE

  6. 40. The Systematic Variability of Europa’s Oxygen Aurora

    University essay from KTH/Skolan för elektro- och systemteknik (EES)

    Author : Jonathan Backman; Simon Israelsson; [2016]
    Keywords : ;

    Abstract : .... READ MORE