Titlebook: IUTAM Symposium on Physics and Mechanics of Sea Ice; Proceedings of the I Jukka Tuhkuri,Arttu Poloj?rvi Conference proceedings 2022 Springe

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Agnieszka Herman,Sukun Cheng,Hayley H. Shenmatic nitrogen reduction. Nitrogenase structure/function has been a rich area of research for several decades (reviewed in Kim and Rees, 1994; Peters ., 1995; Howard and Rees, 1996; Rees and Howard, 1999; 2000; Rees 2002; Lawson and Smith, 2002) and the advent of detailed structures of the nitrogena

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Hayley H. Shen the initial reduction of N. to ammonia is catalyzed by the enzyme nitrogenase. There are two distinct classes of nitrogenase currently known. One class is represented by the recently discovered superoxide-utilizing nitrogenase from . (Ribbe ., 1997). This fascinating nitrogenase is the topic of Cha

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n the 21. century. We wish to report the development of novel catalysts that allow the direct, low temperature, oxidative conversion of methane to a methanol equivalent product in 70% one-pass yield. To our knowledge, this is the highest one-pass yield ever reported for methane oxidation to a methyl

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Strength of Ice in Brittle Regime—Multiscale Modelling Approachploits the experimentally observed crack initiation mechanism; grain boundary sliding. The growth of the initiated cracks is assumed to follow the sliding wing crack approach. The model predicts qualitatively and quantitatively the major failure modes and strength of columnar and granular ice under

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The Influence of Ice Rubble on Sea Ice Friction: Experimental Evidence on the Centimetre and Metre S also produced when ice collides with offshore structures, and when ships pass through sea ice. Previous analyses of ice friction have considered the contact between two sliding ice surfaces. Here, we consider the effective friction between two ice surfaces separated by ice rubble. In particular, we