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Synthesis, Swelling Behaviors, and Slow-Release Characteristics of a Guar Gum-g-Poly(sodium acrylate)/Sodium Humate Superabsorbent
graft copolymers high performance polymers hydrophilic polymers swelling synthesis
2011/12/14
Superabsorbents used in agricultural and ecological projects with low-cost, slow-release fertilizers and environmentally friendly characteristics have been
extensively studied. The use of a natural p...
HRTEM investigation of microstructures in a length-slow chalcedony
HRTEM investigation microstructures length-slow chalcedony
2012/3/31
High-resolution transmission electron microscopy reveals dense Brazil-twin boundaries on the unit-cell scale in length-slow chalcedony. The twins can be considered as the result of stacking of left- a...
Transformation of titanomagnetite to titanomaghemite; A slow, two-step oxidation-ordering process in MORB
Transformation titanomaghemite A slow two-step oxidation-ordering process MORB
2012/4/6
Theyoungestsamplehasparameterscorrespondingtonearlyunoxidizedtitanomagne-
tite,whereastheoldestisnear-end-membertitanomaghemite.Intermediatesamplesare
partiallyalteredbutdisplaynosuperstructurere?ec...
Fast and Slow Phosphate Sorption by Goethite-Rich Natural Materials
Adsorption Ferrihydrite Goethite Iron oxides Phosphate Porosity Silicate Sorption
2011/11/30
Abstract: Although phosphate sorption by goethite and other less-abundant Fe oxides strongly influences the concentration of this anion in the soil solution and aquatic environments, relatively little...