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The matrix effect on 238U and 232Th measurements using pressed powder pellets by LA-ICP-MS
LA-ICP-MS matrix effect U and Th
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2017/4/12
Radioisotope concentrations, such as 238U and 232Th, of bulk sediments are good environmental indicators and useful
for radiometric age determinations. Pressed pellets of sediment can be analyzed by ...
Primary structure of a soluble matrix protein of scallop shell: Implications for calcium carbonate biomineralization
Primary structure matrix protein scallop shell Implications calcium carbonate biomineralization
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2012/4/1
Soluble proteins in the scallop ( Patinopecten yessoensis ) foliated calcite shell layer were characterized using biochemical and molecular biological techniques. SDS PAGE of these molecules revealed ...
The Diagenetic to Low-Grade Metamorphic Evolution of Matrix White Micas in the System Muscovite-Paragonite in a Mudrock from Central Wales, United Kingdom
Central Welsh basin Diagenesis Intermediate Na/K mica Low-grade metamorphism Modulated structure Muscovite Paragonite Solvus
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2011/12/29
Two orientations of white micas with subordinate chlorite have been observed in a fine-grained (50 Å to 2 µm) matrix of a Silurian lower anchizonal mudrock from central Wales: one parallel...
Compaction and Swelling of Ca-Smectite in Water and in CaCl2 Solutions: Water Activity Measurements and Matrix Resistance to Compaction
Calcium chloride Compaction Matrix resistance Rheology Smectite Swelling Water activity
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2011/11/30
Abstract: Direct water-activity measurements were made for calcium-smectite-CaCl2 mixtures. The samples used were prepared by high-pressure filtration and had water contents <0.60% by weight of clay. ...
Authigenic Chrysotile Formation in the Matrix of Quaternary Debris Flows, Northern Southland, New Zealand
Authigenesis Chrysotile Debris flow Pseudoboehmite Serpentine
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2011/11/25
Abstract: Quaternary debris flows derived from ophiolite melange in northern Southland, New Zealand, are locally cemented and veined by cross-fiber and fine-grained chrysotile. Chrysotile was identifi...
Kaolinization of Bauxite: A Study in the Vlasenica Bauxite Area, Yugoslavia. I. Alteration of Matrix
Aluminum Bauxite Boehmite Kaolinite Resilification Silica
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2012/2/2
The kaolinization of bauxite has generally been thought to be a simple process of epigenetic resilification. A study of the karstic boehmitic bauxites in the Vlasenica region of Yugoslavia, however, s...
Clay Mineral Stability as Related to Activities of Aluminium, Silicon, and Magnesium in Matrix Solution of Montmorillonite-Containing Soils
Clay Mineral Stability Aluminium Silicon Magnesium Montmorillonite-Containing Soils
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2012/2/13
The influence of geomorphological site characteristics on soil clay mineral stability of montmorillonite-containing horizons of a southern Wisconsin soil catena was interpreted in terms of the solute ...