Essays about: "Atmospheric chemistry"

Showing result 1 - 5 of 29 essays containing the words Atmospheric chemistry.

  1. 1. Simulations of the Tenuous Upper Atmospheres of Exoplanets

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

    Author : Lucian Spitzner; [2023]
    Keywords : astronomy; astrophyics; exoplanets; transmission spectroscopy; magnetic fields; atmospheres; ions; Physics and Astronomy;

    Abstract : Over the last decade, the interest in research on extraterrestrial planets has expanded dramatically. With the number of confirmed exoplanets having increased tenfold over the last ten years, we now know that many different types of exoplanets exist. READ MORE

  3. 2. Spectroscopic model characterisation of hot exoplanet atmospheres

    University essay from Lunds universitet/Astronomi - Genomgår omorganisation; Lunds universitet/Fysiska institutionen

    Author : Elin Sandvik; [2022]
    Keywords : Transit method; Transmission spectroscopy; Exoplanets; Hot Jupiter; Modelling; Physics and Astronomy;

    Abstract : Hot Jupiters are gas giants under intense stellar radiation with short orbital periods of only a few days. Due to their large radii, hot temperatures, and large scale heights, hot Jupiters can be observationally characterised in detail through spectroscopy over an entire orbital phase. READ MORE

  4. 3. Improvement of Pt-based catalyst supported on CeZrO2 used for the high-temperature water-gas shift reaction

    University essay from Lunds universitet/Kemiteknik (CI)

    Author : Milda Grikainyte; [2022]
    Keywords : Water-gas shift; catalyst; chemical engineering; Chemistry;

    Abstract : The iron-chromium (Fe/Cr) catalyst is used for high-temperature water-gas shift (HT WGS) reaction. A major concern using the Fe/Cr catalyst is that it contains hexavalent chromium (Cr+6) which is a potent carcinogen causing health and environmental issues. READ MORE

  5. 4. BVOC emission variability for Norway spruce (Picea abies) in Hyltemossa, Sweden

    University essay from Lunds universitet/Institutionen för naturgeografi och ekosystemvetenskap

    Author : Alexandra Arnsteg; [2022]
    Keywords : BVOC; isoprene; monoterpenes; induced emission; light dependency; temperature; Norway spruce.; Earth and Environmental Sciences;

    Abstract : Biogenic volatile organic compounds (BVOC) are known as hydrocarbons emitted into the atmosphere from the biosphere. They have physiological and ecological functions such as communication within the plant and plant – plant, protection against environmental stress factors and defense against herbivores attack. READ MORE

  6. 5. Experimental characterization of a specific chemisorbent and a physisorbent for direct air capture application : Analyzing the effect of parameters such as desorption temperature, humidity and varying CO2 partial pressure on the performance of the adsorbent material. (Thesis work carried out at The Netherlands Organization for Applied Scientific Research (TNO), Delft, The Netherlands)

    University essay from KTH/Skolan för industriell teknik och management (ITM)

    Author : MIT RAKESH SURATI; [2022]
    Keywords : ;

    Abstract : Climate change has become an indisputable threat to the planet with global warming being at the forefront. With continuous usage and combustion of fossil fuels, the atmospheric CO2 concentration has kept on increasing leading to higher average temperatures globally. READ MORE