搜索结果: 1-15 共查到“凹凸棒石 B-free”相关记录23条 . 查询时间(0.109 秒)
Enzootic Geophagia in Livestock Reared in Communal Areas in the Central Free State of South Africa: The Farmers’Perspectives
Enzootic Geophagia in Livestock Reared in Communal Areas in the Central Free State of South Africa: The Farmers’Perspectives
2012/3/14
Enzootic Geophagia in Livestock Reared in Communal Areas in the Central Free State of South Africa: The Farmers’Perspectives.
Geophagic Practices of the Setsing-Phuthaditjhaba Market Vendors in Thabo Mofutsanyane, Free State, South Africa
Geophagic Practices Setsing-Phuthaditjhaba Market Vendors Thabo Mofutsanyane
2012/3/14
Geophagic Practices of the Setsing-Phuthaditjhaba Market Vendors in Thabo Mofutsanyane, Free State, South Africa.
Geophagic Soil Colour and Nematode Content in the District of Thabo Mofutsanyane, Free State, South Africa
Geophagic Soil Colour Nematode Content District Thabo Mofutsanyane
2012/3/14
Geophagic Soil Colour and Nematode Content in the District of Thabo Mofutsanyane, Free State, South Africa.
Palaeoenvironmental Characterisation Using Clay Mineralogy: A Case Study of the Heelbo hillslope deposit, Free State Province and the Diepdrift hillslope deposit, Limpopo Province, South Africa
Palaeoenvironmental Characterisation Clay Mineralogy Case Study Heelbo hillslope deposit Free State Province Diepdrift hillslope deposit
2012/3/14
Palaeoenvironmental Characterisation Using Clay Mineralogy: A Case Study of the Heelbo hillslope deposit, Free State Province and the Diepdrift hillslope deposit, Limpopo Province, South Africa.
Synthesis of Amphoteric Phosphate Ester Surfactant by Polyphosphoric Acid and Its Application in Free-Chrome Collagen Fiber
Amphoteric Phosphate Ester Surfactant Free-Chrome Collagen Fiber Polyphosphoric Acid (PPA)
2011/12/15
In order to avoid using P2O5 as phosphorylation reagent in phosphorylation reaction, an amphoteric phosphate ester surfactant was synthesized by using polyphosphate acid as phosphorylation reagent. Th...
Demographic characteristics associated with consumption of geophagic clays among ethnic groups in the Free State and Limpopo provinces
Demographic characteristics associated consumption geophagic clays ethnic groups Free State Limpopo provinces
2012/3/14
The deliberate consumption of soil/clay (geophagia) has been going on for centuries and cuts across socio-economic, ethnic, religious and racial divides. In countries with diverse ethnic origins, race...
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
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...
The Gibbs free energies and enthalpies of formation of U6+ phases: An empirical method of prediction (v. 84, 650-664,1999)
Gibbs free enthalpies of formation empirical method prediction U6+ phases
2012/3/31
Uranyl minerals form as a result of the oxidation and alteration of uraninite, UO . These uranyl2+xin used nuclear fuels under
phases are also important alteration products of the corrosion of UO
ox...
The Gibbs free energies and enthalpies of formation of U6+ phases: An empirical method of prediction
oxidation and alteration of uraninite empirical method prediction U6+ phases
2012/3/31
Uranyl minerals form as a result of the oxidation and alteration of uraninite, UO . These uranyl
in used nuclear fuels under
phases are also important alteration products of the corrosion of UO
oxi...
Raman spectroscopic identification of B-free and B-rich kornerupine (prismatine)
Raman spectroscopy kornerupine X-ray diffraction B-free B-rich
2012/3/31
This is the first application of Raman spectroscopy to the characterization of the kornerupine
group of borosilicate minerals. Raman microprobe spectra were collected from ~100 to ~4000 cm
from 13 s...
Intersite partitioning of Mg and Fe in Ca-free high-pressure C2/c clinopyroxene
Mg Fe Ca-free high-pressure C2/c clinopyroxene
2012/4/6
TheintracrystallinedistributionofMgandFe ontheM1andM2octahedralsitesinhigh-PC2/c (Mg,Fe)SiOclinopyroxenehasbeendeterminedonquenchedsamplesusing
FeMo!§ssbauerspectroscopy.Althoughtherecoveredsamplesth...
Evaluation of Standard Free Energies of Formation of Clay Minerals by an Improved Regression Method
Clay minerals Free energies of formation Regression method
2011/12/29
An improved regression method for the evaluation of standard free energies of formation (ΔG°f) of clay minerals is here proposed in an attempt to remove some of the limitations of the earlier method (...
Reduction of Structural Iron in Ferruginous Smectite by Free Radicals
Clay Dithionite Electron spin resonance spectroscopy ESR Hydrazine Iron Reduction Smectite Sulfide Thiosulfate
2011/12/31
The oxidation state of structural iron greatly influences the physical-chemical properties of clay minerals, a phenomenon that may have significant implications for pollutant fate in the environment, ...
Surface Free Energy Components of Clay-Synthetic Humic Acid Complexes from Contact-Angle Measurements
Adsorption Aggregate stability Humic acid Montmoriltonite Surface free energy Wettability
2011/11/30
Abstract: The surface free energy components of clay-organic complexes were determined to assess to what extent an organic adsorbate modified the surface properties of the mineral, insofar as the stab...
Influence of Dodecylamine Chloride on the Surface Free Energy of Kaolinite
Contact angle Dodecylamine chloride Hydrophobicity Kaolinite Surface free energy
2011/11/30
Abstract: Contact angles of glycerol and diiodomethane drops were measured on the surface of kaolin pellets covered with different amounts of dodecylamine chloride (DDACl) to as much as one monolayer....