Experimental study and modeling of the U(VI)-Fe(OH)3 ...

The kinetics and thermodynamics of the coprecipitation of U(VI) with Fe(III) oxyhydroxides have been studied under controlled laboratory conditions, by means of chemical solution and spectroscopic ...

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(PDF) Experimental Study on the Phase Diagram of the Fe-O ...

wt% The present work analysed the experimental results obtained K C Si on the Fe–C and Fe–C–Si systems on the relationship between mass fraction of solid and temperature obtained from the in situ Fe–2.92 wt%C–1.43 wt%Si Experimental 1407.2 – 1.55 images generated by SPring-8 synchrotron.

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An Experimental Study of Fe–Al Solubility in the System ...

An Experimental Study of Fe–Al Solubility in the System Corundum–Hematite up to 40kbar and 1300 C A. FEENSTRA1*,S.SA¨MANN2 AND B. WUNDER1 1GEOFORSCHUNGSZENTRUM POTSDAM, DEPARTMENT 4, TELEGRAFENBERG, D-14473 POTSDAM, GERMANY 2FREIE UNIVERSITA¨T BERLIN, DEPARTMENT OF EARTH SCIENCES, MALTESERSTRASSE 74–100, D-12249 BERLIN, …

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Experimental Study on the Phase Relations in the System Fe ...

Experimental Study on the Phase Relations in the System Fe‐Ni‐O‐S Up to 15 Gpa. S. Urakawa. ... The Fe‐rich portion of the system Fe‐Ni‐O‐S is a eutectic system with a wide region of liquid immiscibility which is reduced with increasing pressure and which disappears above 20–25 GPa. The oxygen solubility in the eutectic liquid ...

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Experimental Study of Phase Composition of B-Fe-Mn-V ...

Phase compositions of B-Fe-Mn-V alloys were studied by several experimental methods (DTA measurement, X-ray diffractions, and scanning electron microscopy). Besides the experimental study of the quaternary system, thermodynamic modelling of the ternary B-Mn-V system by the Calphad method and thermodynamic calculations for the quaternary B-Fe-Mn-V system were performed.

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Experimental study of iron and silica immobilization by ...

Experimental study of iron and silica immobilization by bacteria in mixed Fe–Si systems: implications for microbial silicification in hot springs1 Vernon R. Phoenix, Kurt O. Konhauser, and F. Grant Ferris Abstract: The immobilization of silica and iron by the bacteria Bacillus subtilis was monitored in …

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EXPERIMENTAL STUDY OF Fe-Si-O EQUILIBRIA IN THE …

EXPERIMENTAL STUDY OF Fe-Si-O EQUILIBRIA IN THE METAL PHASE OF ENSTATITE CHONDRITES. R. A. Fogel, M. J. Rutherford and P. C. Hess, Department of Geological Sciences, Brown University, Providence, Rhode Island 02912.

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Experimental study of the phase equilibria in the Fe-Mn-Al ...

Experimental Study of the in the Fe-Mn-AI System Phase Equilibria XING JUN LIU, SHI M1NG HAO, LE YING XU, YANG FENG GUO, and HUI CHEN The isothermal sections with lower AI content at 800 ~ 900 ~ 1200 ~ and 1300 ~ and two vertical sections of 4 wt pct A1 and 8 wt pct A1 in the Fe-Mn-AI system were determined by means ...

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Experimental study of the Fe–Ni–Ti system - ScienceDirect

In order to study the equilibrium between the liquid phase and NiTi 2 at 1000 °C a diffusion couple was prepared from an arc-melted alloy with the chemical composition of NiTi 2 and a crucible of pure Fe (99.8%). The Fe crucible had a cylindrical shape of 20 mm diameter and 20 mm in height, with a hole of 16 mm in diameter and 17 mm

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Experimental and theoretical study of the reaction Fe + O2 ...

The recombination reaction between Fe and O has been studied by the pulsed photodissociation at 193.3 nm of ferrocene vapour to produce Fe atoms in an excess of O and N bath gas, followed by time-resolved laser-induced fluorescence spectroscopy of atomic Fe at 248.3 nm [Fe(xF–a D)]. ... Experimental and theoretical study of the reaction Fe ...

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EXPERIMENTAL STUDY OF PHASE RELATIONSHIPS IN PART …

experimental study of phase relationships in part of the system mg-fe-ca-ti-si-o at 1300°c, latm, and various oxygen fugacities, with applications to redox partial melting

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6 - Experimental Study of Phase Equilibria in the"FeO-ZnO ...

View Notes - 6 from METALLURGY 1107 at Murdoch. Experimental Study of Phase Equilibria in the "FeO"-ZnO(CaO SiO2) System with CaO/SiO2 Weight Ratios of 0.33, 0.93, and 1.2 in Equilibrium with

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Frontiers | An Experimental Study of the Carbonation of ...

In situ sequestration of CO2 in mantle peridotites has been proposed as a method to alleviate the amount of anthropogenic CO2 in the atmosphere. This study presents the results of eight-month long laboratory fluid-rock experiments on representative mantle rocks from the Oman-United Arab Emirates ophiolite to investigate this process. Small core samples (3 cm long) were reacted in wet ...

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Science letters: Experimental study on the inhibition of ...

From the above experimental results, we know that Fe(II)EDTA-NO significantly inhibits the growth of the iron-reduction bacteria and the Fe(III)EDTA reduction. Further study will focus on the inhibition kinetics of Fe(III)EDTA reduction.

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Experimental study of the Fe–Ni–Ti system | Request PDF

Experimental study of the Fe–Ni–Ti system. ... Study of Fe- 27Ni and Fe-29. 5Ni alloys with 0 to 10% Ti, by kinetic, x- ray, and electron metallographic techniques, shows that Ms is suppressed ...

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Experimental Study and Preliminary Thermodynamic ...

The results obtained using these experimental techniques show a good agreement. Moreover, the crystallographic space groups of the two intermetallic phases are determined using electron, X-ray, and neutron diffraction facilities in order to obtain a thermodynamic description of the Zr-Nb-Fe system.

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Experimental and Theoretical Study of Low-Dimensional …

Experimental and Theoretical Study of Low-Dimensional Iron Oxide Nanostructures Jeffrey Yue, Xuchuan Jiang , Yusuf Valentino Kaneti and Aibing Yu School of Materials Science and Engineering , University of New South Wales, Sydney, Australia 1. Introduction Iron oxide has many phases, including 16 pure phases (e.g., FeO, Fe 3O4), 5 polymorphs of

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An experimental and computational study of CO2 adsorption ...

study.35 Ultimately, it is expected that the insights gained will inform how existing and hypothetical frameworks can be most efficiently screened for CO 2 adsorption applications. Experimental section Materials and methods The Fe-BTT13 and Cu-BTT12 frameworks were synthesized as …

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Experimental Study of the Influence of Oxygen Fugacity on ...

Abstract. Equilibrium crystallization experiments at atmospheric pressure and over a range of oxygen fugacity (fO 2) have been carried out on a ferro-basaltic composition similar to liquids proposed to have been parental to much of the exposed portion of the Skaergaard intrusion.Before Fe-Ti oxide saturation the liquid line of descent is little affected by fO 2.

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(PDF) An experimental study of the Fe–Sn–Zr ternary system ...

An experimental study of the Fe–Sn–Zr ternary system at 900 °C. Download. An experimental study of the Fe–Sn–Zr ternary system at 900 °C. C. Toffolon-masclet. J. Joubert. C. Toffolon-masclet. J. Joubert.

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An experimental study and a thermodynamic evaluation of ...

The present experimental work is a continuation of a study by Jin, t91 who examined the phase equilibria in the Fe-Mo-Cr system at 1373 and 1473 K using a diffusion couple technique. Initially, he spot welded two of the components and after polishing a surface perpendicular to the weld he added the third component, also by spot welding.

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Experimental and Theoretical Study of Low-Dimensional …

Experimental and Theoretical Study of Lo w-Dimensional Iron Oxide Nanostructures 123 Synthesis media Synthesis methods Common products Particle shape/size Features References Solid state Mechanical milling Š-Fe 2O 3, Fe 3O 4 Spheres D= 2.9-3.6 nm Mechanical energy to smash. Lu et al. (2007) Liquid state Co-precipitation  -Fe 2O 3, Š- Fe ...

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Experimental study of the phase relations in the Fe–Cr–Si ...

Zhi Li, Zhe Zhou, Xinming Wang, Yongxiong Liu, Yu Wu, Manxiu Zhao, and Fucheng Yin (2014). Experimental study of the phase relations in the Fe–Cr–Si ternary system at 700°C. International Journal of Materials Research: Vol. 105, No. 9, pp. 840-846.

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An experimental and computational study of CO 2 adsorption ...

An experimental and computational study of CO 2 adsorption in the sodalite-type M-BTT (M = Cr, Mn, Fe, Cu) metal–organic frameworks featuring open metal sites†. Mehrdad Asgari‡ a, Sudi Jawahery‡ ab, Eric D. Bloch cd, Matthew R. Hudson e, Roxana Flacau f, Bess Vlaisavljevich g, Jeffrey R. Long bch, Craig M. Brown ei and Wendy L. Queen * a a Institute of Chemical Sciences and Engineering ...

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Comparative Experimental and Theoretical Study of the Fe L ...

PubFacts seeks to make the world's scientific research easy to locate, access, and collaborate on.

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Experimental study of the bcc-fcc phase transformations in ...

Abstract. In situ X-ray diffraction experiments at high pressure were carried out up to 8.9 GPa and 1100 °C to study phase transformations of iron and two iron-silicon alloys Fe 0.91 Si 0.09 and Fe 0.83 Si 0.17.For iron, the transformation from the bcc phase to the fcc phase was observed at pressures 3.8–8.2 GPa and temperatures that are consistent with previous in situ X-ray diffraction ...

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6 - Experimental Study of Phase Equilibria in the"FeO-ZnO ...

Experimental Study of Phase Equilibria in the “FeO”-ZnO-(CaO 1 SiO 2) System with CaO/SiO 2 Weight Ratios of 0.33, 0.93, and 1.2 in Equilibrium with Metallic Iron EVGUENI JAK, BAOJUN ZHAO, and PETER C. HAYES The pseudoternary sections “FeO”-ZnO-(CaO 1 SiO 2) with CaO/SiO 2 weight ratios of 0.33, 0.93, and 1.2 in equilibrium with metallic iron have been experimentally investigated in ...

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Experimental Study and Thermodynamic Re-optimization of ...

Mar 16, 2017· The phase diagram of the Fe-O-Si system at 1473 K (1200 °C) is shown in Fig. 1.[] The present study focuses on the FeO-Fe 2 O 3-SiO 2 part of the Fe-O-Si system. The FeO-Fe 2 O 3-SiO 2 sub-system was previously assessed by Jak et al.[] and has been re-optimized to provide better description of phase equilibria and thermodynamic data in the system and to incorporate new experimental …

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Experimental Study of Fe–Al Solubility in the System ...

Jun 13, 2005· (1) The present experimental study confirms the results of classical (40–50 years old) investigations of the corundum–hematite system (at low P), which demonstrated that there exists a wide miscibility gap that does not close. Up to pressures of 40 kbar there is a negligible effect of pressure on the width of the solvus expressed in an ...

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Experimental study of the Fe-Mg exchange between garnet ...

Close mobile search navigation. Article navigation. Volume 82, Number 11-12

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Experimental study of Fe C O based system below 1000 °C

1 Experimental study of Fe–C–O based system below 1000 °C Monika Žaludová1, Bedřich Smetana1, Simona Zlá1, Jana Dobrovská1, Vlastimil Vodárek2, Kateřina Konečná2, Vlastimil Matějka3, Petra Matějková3. 1. Department of Physical Chemistry and Theory of Technologi. cal Processes, Faculty of Metallurgy and Materials Engineering,

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Thermodynamic assessment of the Fe-Te system. Part I ...

A thermodynamic description of the Fe-Te system needs to be developed in order to model internal corrosion by fission products in fuel pins of Generation IV nuclear reactors. In preparation for a thermodynamic assessment of the system, an experimental study has been performed in order to clarify some unknown or conflicting phase diagram data.

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Experimental study on the inhibition of biological ...

Experimental study on the inhibition of biological reduction of Fe(III)EDTA in NO x absorption solution. / Li, Wei; ... (II)EDTA-NO. The competitive inhibition experiments indicted that Fe(II)EDTA-NO inhibited not only the growth rate of the iron-reduction bacterial strain but also the Fe(III)EDTA reduction rate. Cell growth rate and Fe(III ...

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