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| Symmetry and the critical slip distance in rate and state friction laws |
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submitted by rmocep 19 minutes ago - Topic: Geography |
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We performed laboratory experiments to investigate the processes responsible for rate and state friction (RSF) behavior in fault rocks. We focus on symmetry of the friction constitutive response to velocity changes and the mechanics of the critical friction slip distance Dc. Experiments were cond...
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| Stepwise Ligand Exchange for the Preparation of a Family of Mesoporous MOFs |
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submitted by pporminteir 26 minutes ago - Topic: Agriculture |
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A stepwise ligand exchange strategy is utilized to prepare a series of isoreticular bio-MOF-100 analogues. Specifically, in situ ligand exchange with progressively longer dicarboxylate linkers is performed on single crystalline starting materials to synthesize products with progressively larger m...
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| Enhanced Photoluminescence of Sulfur-Bridged Organic Chromophores |
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submitted by pporminteir 26 minutes ago - Topic: Agriculture |
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A general approach to enhancing the emission quantum yield of several widely studied organic chromophores is presented. The luminescence properties of a series of symmetrical sulfur-bridged chromophores are reported as a function of the oxidation state of the bridging sulfur atom. The photolumine...
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