Search Results - "Afeworki, M"
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Extra-large pore zeolite (ITQ-40) with the lowest framework density containing double four- and double three-rings
Published in Proceedings of the National Academy of Sciences - PNAS (10-08-2010)“…The first zeolite structure (ITQ-40) that contains double four (D4) and double three (D3) member ring secondary building units has been synthesized by…”
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Asphaltene Molecular Structure and Chemical Influences on the Morphology of Coke Produced in Delayed Coking
Published in Energy & fuels (01-05-2006)“…The average chemical structure of asphaltenes present in a vacuum resid feed is related to the morphology of the coke that is produced in a delayed coker (shot…”
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Thermal Transformations of Nitrogen and Sulfur Forms in Peat Related to Coalification
Published in Energy & fuels (15-03-2006)“…The chemical pathways for nitrogen and sulfur transformations during coalification are elucidated by comparing the chemical forms of unaltered peats, lignites,…”
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Synthesis and Characterization of a New Microporous Material. 1. Structure of Aluminophosphate EMM-3
Published in Chemistry of materials (21-03-2006)“…Molecular sieves are extensively used in the chemical and petrochemical industry as catalysts, absorbents, and ion exchangers. New molecular sieve structures…”
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Structure of an aluminophosphate EMM-8: a multi-technique approach
Published in Acta crystallographica. Section B, Structural science (01-02-2007)“…The crystal structure of an aluminophosphate, EMM‐8 (ExxonMobil Material #8), was determined in its calcined, anhydrous form from synchrotron powder…”
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Parallel Coil Resonators for Time-Domain Radiofrequency Electron Paramagnetic Resonance Imaging of Biological Objects
Published in Journal of magnetic resonance (1997) (01-01-2000)“…Resonators suitable for time-domain electron paramagnetic resonance spectroscopy and imaging at a radiofrequency capable of accommodating experimental animals…”
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Direct Characterization of Kerogen by X-ray and Solid-State 13C Nuclear Magnetic Resonance Methods
Published in Energy & fuels (16-05-2007)“…A combination of solid-state 13C NMR, X-ray photoelectron spectroscopy (XPS) and sulfur X-ray absorption near edge structure (S-XANES) techniques are used to…”
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Characterization of Organically Bound Oxygen Forms in Lignites, Peats, and Pyrolyzed Peats by X-ray Photoelectron Spectroscopy (XPS) and Solid-State 13C NMR Methods
Published in Energy & fuels (20-11-2002)“…A combination of XPS and solid-state 13C NMR techniques have been used to characterize organic oxygen species and carbon chemical/structural features in peats,…”
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High-Speed Data Acquisition System and Receiver Configurations for Time-Domain Radiofrequency Electron Paramagnetic Resonance Spectroscopy and Imaging
Published in Journal of magnetic resonance (1997) (01-04-1999)“…Design strategies, system configuration, and operation of a dual-channel data acquisition system for a radiofrequency (RF) time-domain electron paramagnetic…”
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Direct Characterization of Kerogen by X-ray and Solid-State [superscript 13]C Nuclear Magnetic Resonance Methods
Published in Energy & fuels (12-06-2008)“…A combination of solid-state {sup 13}C NMR, X-ray photoelectron spectroscopy (XPS) and sulfur X-ray absorption near edge structure (S-XANES) techniques are…”
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XPS and 15N NMR Study of Nitrogen Forms in Carbonaceous Solids
Published in Energy & fuels (20-11-2002)“…A combination of XPS and solid-state 15N NMR have been used to characterize the nitrogen forms in a variety of different carbonaceous samples having high…”
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Supported Ionic Liquid Catalysis − A New Concept for Homogeneous Hydroformylation Catalysis
Published in Journal of the American Chemical Society (06-11-2002)“…The new concept of supported ionic liquid catalysis involves the surface of a support material that is modified with a monolayer of covalently attached ionic…”
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In vivo electron paramagnetic resonance imaging of tumor heterogeneity and oxygenation in a murine model
Published in Cancer research (Chicago, Ill.) (01-04-1998)“…Nitroxides are redox-sensitive probes, which are useful in noninvasively delineating tissue heterogeneity especially with respect to metabolic activity and…”
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Synthesis and Characterization of a New Microporous Material. 2. AlPO and SAPO Forms of EMM-3
Published in Chemistry of materials (21-03-2006)“…A new aluminophosphate (AlPO) material, EMM-3, was recently synthesized at ExxonMobil. EMM-3, ExxonMobil material no. 3, was synthesized in both the AlPO- and…”
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Direct Characterization of Kerogen by X-ray and Solid-State 13 C Nuclear Magnetic Resonance Methods
Published in Energy & fuels (09-07-2007)“…A combination of solid-state {sup 13}C NMR, X-ray photoelectron spectroscopy (XPS) and sulfur X-ray absorption near edge structure (S-XANES) techniques are…”
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Three-dimensional whole body imaging of spin probes in mice by time-domain radiofrequency electron paramagnetic resonance
Published in Magnetic resonance in medicine (01-03-2000)“…Imaging of stable paramagnetic spin probes in phantom objects and in vivo was evaluated using a RF time domain EPR spectrometer/imager operating at 300 MHz…”
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Selective observation of the interface of heterogeneous polycarbonate/polystyrene blends by dynamic nuclear polarization carbon-13 NMR spectroscopy
Published in Macromolecules (01-08-1992)“…Heterogeneous blends of \3,3'- exp 13 C sub 2 \ polycarbonate and \ul-ring- exp 12 C sub 6 \ polystyrene were formed by serial film casting. The polystyrene…”
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Multifunctional antioxidant activity of HBED iron chelator
Published in Free radical biology & medicine (15-01-2001)“…The use of N,N′-bis (2-hydroxybenzyl) ethylenediamine-N,N′-diacetic acid (HBED) for iron chelation therapy is currently being tested. Besides its affinity for…”
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XPS and 15 N NMR Study of Nitrogen Forms in Carbonaceous Solids
Published in Energy & fuels (01-11-2002)Get full text
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