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Micron-scale d13C determination by NanoSIMS in a Juina diamond with a carbonate inclusion
sub-lithospheric diamonds Juina carbonate lower mantle peridotite eclogite
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2017/4/10
Juina diamonds present a wide spectrum of mineral inclusions, covering both peridotitic and eclogitic composition.
Among the most rare inclusions, carbonates are interpreted as an evidence of deep re...
The role of mineral surfaces in the preservation and transformation of organic carbon: meso- to nano– scale spatial complexity of organic matter forms in organic-rich shales
mineral surfaces preservation transformation organic carbon meso- to nano– scale spatial complexity organic matter forms organic-rich shales
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2012/3/30
Sequestration of organic matter (OM) in sediments is a fundamental biogeochemical process that regulates planetary temperature, the flux of free oxygen to the atmosphere and oceans, and the distributi...
Experimental Study on Ultra-Structure and Frictional Properties of Zaocys Dhumnades’s Ventral Scale
Frictional Coefficient Reducing Adhesion Reducing Resistance Ultra-Structure Ventral Scale Zaocys Dhumnades
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2011/12/21
The ultra-structures of Zaocys dhumnades’s ventral scale surface were observed by the AFM (Atomic Force Microscopy), at the same time, the frictional properties between ventral scale and the stainless...
Mineralogical and chemical characterization of suspended atmospheric particles over the east Mediterranean based on synoptic-scale circulation patterns
Suspended desert dust Pollution Mineralogy
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2011/11/11
Suspended atmospheric particles were collected in Israel in order to identify their nature and relationships with the major synoptic-scale circulation patterns. The particles were analyzed for their m...
Static and Dynamic Force Analysis to Large-Scale Bed of Leather Cutting Machine Tool
Cutting Machine Tool Finite Element Model (FEM) Force Analysis Leather Materials
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2011/12/14
The leather is cut by hand or by hand with some help of semiautomatic machine in general leather cutting technology. In order to enhance the cutting efficiency and quality, the machine tool to realize...
A New Method for the Prediction of Gibbs Free Energies of Formation of Hydrated Clay Minerals Based on the Electronegativity Scale
Beidellite Exchangeable Cations Gibbs Free Energies of Formation Hectorite Hydration Illite Montmorillonite Nontronite
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2011/12/6
Abstract: A new method for the prediction of Gibbs free energies of formation for hydrated clay minerals is proposed based on the parameter ΔGO= Mz+(clay) characterizing the oxygen affinity of the cat...
Analytical electron microscopy of nanometer-scale hornblende lamellae: Low-temperature exsolution in cummingtonite
Analytical electron microscopy nanometer-scale hornblende lamellae: Low-temperature cummingtonite
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2012/4/6
Compositionalpro?lesacrosshostareasweremeasuredtohelpinterprettheunexpected
chemistriesofthenanometer-scalediscs.Apro?leacrosstheprecipitate-freezonebetween
acoarsehornblendelamellaandagroupofnanome...
Constraint on the time scale of biotite-grade metamorphism during Acadian orogeny from a natural garnet-garnet diffusion couple
Constraint biotite-grade metamorphism Acadian orogeny garnet-garnet diffusion couple
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2012/4/6
Wehavedetermined the concentration profilesacross the interface ofanatural garnet-garnet couple in a biotite-grade rock from eastern Vermont.Thecouple consists ofa grossular-spessartine garnet that ha...
Crystal Chemistry of Hydrous Iron Silicate Scale Deposits at the Salton Sea Geothermal Field
Crystal chemistry EXAFS Ferrihydrite Hisingerite Hydrous iron silicate Mossbauer NMR
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2011/12/28
The crystal chemistry of Fe-Si scales deposited from geothermal brines at Salton Sea, California, was studied by powder X-ray diffraction and spectroscopic techniques including infrared, 57Fe M鰏sbauer...
Molecular-Scale Imaging of Clay Mineral Surfaces with the Atomic Force Microscope
Atomic force microscopy Illite Montmorillonite Oxygen distances Surface
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2012/1/4
Specimen samples of Crook County montmorillonite and Silver Hill illite, purified and prepared in the Na-form, were imaged under 80% relative humidity using an atomic force microscope. The direct imag...