Results 181 to 190 of about 34,613 (225)
Reactivity of aragonite with dicalcium phosphate facilitates removal of dental calculus. [PDF]
J Mater Sci Mater MedElhadad A +7 more
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Harnessing molluscan shell waste for sustainable tribology by integrating biogenic fillers in eco-friendly brake pad development. [PDF]
Sci RepJiyas N +6 more
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Changes in metazoan functional diversity across the Cambrian Radiation and the first Phanerozoic mass extinction: the Cambrian Sinsk Event. [PDF]
Proc Biol SciMurphy A, Penny A, Zhuravlev A, Wood R.
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Science, 1963
Calcite-aragonite equilibrium, determined with an oscillating Griggs-Kennedy squeezer over the range 100° to 575°C, is given by P = 5500 (± 500) + 12.6 (± 1.5) T where pressure is in bars and temperature is in degrees Celsius.
G, Simmons, P, Bell
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Calcite-aragonite equilibrium, determined with an oscillating Griggs-Kennedy squeezer over the range 100° to 575°C, is given by P = 5500 (± 500) + 12.6 (± 1.5) T where pressure is in bars and temperature is in degrees Celsius.
G, Simmons, P, Bell
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Aragonite cycles: diagenesis caught in the act
Sedimentology, 2006AbstractOrganic biomarker and nannofossil assemblages are used in combination with sedimentary petrology to identify the role of diagenesis for the formation of a rhythmic calcareous succession. A record from the Early Pliocene of the Maldives (Ocean Drilling Program, ODP Leg 115) is presented containing precession and eccentricity cycles expressed as ...
Reuning, Lars +2 more
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Strontianite in Coral Skeletal Aragonite
Science, 1997An x-ray spectroscopic study of scleractinian coral skeletons indicated that, although some strontium substitutes for calcium in the aragonite structure, at concentrations of about 7500 parts per million, as much as 40 percent of the strontium resides in strontianite (SrCO 3 ).
R B, Greegor, N E, Pingitore, F W, Lytle
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Acta Crystallographica Section B Structural Science, 2005
High-resolution synchrotron powder diffraction measurements were carried out at the 32-ID beamline of the Advanced Photon Source of Argonne National Laboratory in order to clarify the structure of geological aragonite, a widely abundant polymorph of CaCO3.
E N, Caspi +4 more
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High-resolution synchrotron powder diffraction measurements were carried out at the 32-ID beamline of the Advanced Photon Source of Argonne National Laboratory in order to clarify the structure of geological aragonite, a widely abundant polymorph of CaCO3.
E N, Caspi +4 more
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Journal of Geophysical Research, 1962
By slow removal of CO/sub 2/ from Ca(HCO/sub 3/)/sub 2/ soluti on containing MgCl/sub 2/ at room temperature, pure and homogeneous aragonite crystals were obtained. During the crystal syntheses, labeling with either or both C/sup 14/ and Ca/sup 45/ was feasible. (auth)
Yasushi Kitano +2 more
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By slow removal of CO/sub 2/ from Ca(HCO/sub 3/)/sub 2/ soluti on containing MgCl/sub 2/ at room temperature, pure and homogeneous aragonite crystals were obtained. During the crystal syntheses, labeling with either or both C/sup 14/ and Ca/sup 45/ was feasible. (auth)
Yasushi Kitano +2 more
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Preparation of Aragonite Whiskers
Journal of the American Ceramic Society, 1995A simple synthetic method for preparing aragonite whiskers has been developed. A suspension of CaCl 2 ‐MgCl 2 ‐Mg(OH) 2 with pH ∼9 has been prepared by adding Ca(OH)
Yoshio Ota +4 more
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