Sökning: "diamond-anvil cells"

Visar resultat 1 - 5 av 9 avhandlingar innehållade orden diamond-anvil cells.

  1. 1. The role of deep hydrocarbons in the global hydrocarbon budget

    Författare :Daniil Kudryavtsev; Vladimir Kutcherov; Kostya Trachenko; KTH; []
    Nyckelord :ENGINEERING AND TECHNOLOGY; TEKNIK OCH TEKNOLOGIER; TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; Hydrocarbons; non-methane volatile hydrocarbons; carbon dioxide; methane; ethane; propane; butane; global warming; diamond-anvil cells; Raman spectroscopy; high pressure; high temperature; phase transition; Energiteknik; Energy Technology;

    Sammanfattning : Nowadays, the issue of global warming and related environmental problems got widespread awareness among scientific society, politics, the industry as well as it has affected our everyday life. The reason for such a negative impact on the atmosphere is attributed mainly to human activities. LÄS MER

  2. 2. Experimental investigation of hydrocarbon formation and transformation under Earth´s upper mantle conditions

    Författare :Anton Kolesnikov; Vladimir Kutcherov; Bertil Sundqvist; KTH; []
    Nyckelord :ENGINEERING AND TECHNOLOGY; TEKNIK OCH TEKNOLOGIER; theory of deep abiotic petroleum origin; natural gas; hydrocarbons; methane; ethane; graphite; hydrogen; high pressure; high temperature; CONAC; BARS; diamond anvil cell; Raman; X-ray; gas chromatography; Engineering mechanics; Teknisk mekanik;

    Sammanfattning : The theory of the abyssal abiotic petroleum origin considers oil and natural gas to begenerated in the Earth’s upper mantle. Hydrocarbons migrate further through the deep faults into the Earth’s crust, where they can form oil and gas deposits in any kind of rock in any kind of structural position. LÄS MER

  3. 3. High pressure and high temperature behavior of TiAlN

    Författare :Niklas Norrby; Magnus Odén; Mats Johansson Johansson; Helen Blomqvist; Linköpings universitet; []
    Nyckelord :;

    Sammanfattning : This licentiate thesis mainly reports about the behavior of arc evaporated TiAlN at high pressures and high temperatures. The extreme conditions have been obtained in metal cutting, multi anvil presses or diamond anvil cells. Several characterization techniques have been used, including x-ray diffraction and transmission electron microscopy. LÄS MER

  4. 4. High pressure structural investigations using single crystal techniques : influence of pressure on Jahn-Teller distorted alkali manganese fluorides

    Författare :Stefan Carlson; Stefan Werner; Stockholms universitet; []
    Nyckelord :NATURAL SCIENCES; NATURVETENSKAP; Chemistry; Kemi; strukturkemi; Structural Chemistry;

    Sammanfattning : The results from high-pressure single-crystal X-ray diffraction studies of some ternary sodium transition metal fluorides are presented. The structures of NaMnF4, Na2MnF5, Na3MnF6 and Na3ScF6 have been investigated at high pressures, and in connection with these studies the Na5Mn3F14 structure has been investigated at ambient pressure. LÄS MER

  5. 5. Experimental Study of some Potassium and Sodium Bearing Aluminosilicates at High Temperatures and High Pressures

    Författare :Faramarz Tutti; Uppsala universitet; []
    Nyckelord :NATURAL SCIENCES; NATURVETENSKAP; Earth sciences; Phlogopite; Orthoclase; Jadeite; Albite; Calcium ferrite; Hollandite; Dehydroxylation; High temperature; High pressure; Lower mantle; Geochemistry; Geovetenskap; Earth sciences; Geovetenskap; mineralogi; petrologi och tektonik; Mineral Chemistry; Petrology and Tectonics;

    Sammanfattning : This dissertation presents the results of a high-temperature and high-pressure experimental study of some abundant aluminositicates, which are the main repositories for the two geochemically important elements, sodium and potassium, in the Earth's crust. Phase transitions of end member alkali feldspars and jadeite clinopyroxene are studied at high and ultrahigh pressures corresponding to the conditions between the transition zone and the deep Earth's lower mantle. LÄS MER