Clay Mineral
Morphology control of clay-mineral particles as supports for metallocene catalysts in propylene polymerization
... of clay minerals as an activator for the metallocene complex ...using clay mineral supported metallocene ...of clay minerals behaved as co-catalysts and the acidity of clay minerals ...
14
Local Clay Mineral in Flame Retardant Finishing of Cotton Fabric
... by clay mineral can be ...using clay is recently emerging as an important ...of clay minerals was known; however, montmorillointe (MMT) type minerals received an increasing research ...of ...
10
Purification, Beneficiation and Activation of Iraqi Attapulgite Clay Mineral
... H-form clay mineral and low percent of sand and ...attapulgite clay mineral [8] using sodium methyl acrylate increas the purity of Attapulgite clay mineral, and this is our goal ...
8
South Asian monsoon history over the past 60 kyr recorded by radiogenic isotopes and clay mineral assemblages in the Andaman Sea
... detrital clay-size fraction of the NGHP Site 17 in the Andaman Sea show that over the past 60 kyr detrital clays were mainly sourced from the Irrawaddy catch- ment including the Indo-Burman Ranges with a minor ...
19
Estuarine clay mineral distribution:Modern analogue for ancient sandstone reservoir quality prediction
... on clay mineral distribution patterns in marginal marine settings, although note that all three may operate to different degrees at the same ...First, clay mineral distribution patterns may be ...
56
Recent advances in clay mineral-containing nanocomposite hydrogels
... The in vivo evaluation of such PVA/organoclay nanocompo- site hydrogels as an applicable wound dressing on animals also showed an improved healing process for wounds. 85 The improvement was attributed to the better ...
18
The potential of a natural clay mineral (NSU clay) for the adsorption of lead (ii) ions from aqueous stream
... The growth of Industries in Nigeria and most developing Nations has increased enormously industrial effluents which are highly contaminated with various heavy metals. The heavy metals are present in effluents from ...
7
Effect of arbuscular mycorrhizal fungus, plant growth promoting rhizobacterium, and soil drying on different forms of potassium and clay mineral changes in a calcareous soil under maize planting
... Moreover, data indicated that the release of K leads to a simple modification of illite to smectite minerals through increasing soil drying. In fact, soil drying may allow redistribution of interlayer cations. Since this ...
9
Modification of Conodont element micro-ornamentation by clay-mineral indentation.
... The conodont elements of assemblage WE 1862 are flat- lying ramiform elements encased in a coarse clay (shale) matrix, against which the surfaces of the conodont elements a[r] ...
5
Characterization and Modification of a Clay Mineral Used in Adsorption Tests
... Regarding the modification of the expanded mineral, the best results produced were related to the concentra- tion 0.1 mol/L of both HCl and NaOH. This concentration at a 2-hour contact time at room temperature ...
12
Synthesis and Characterization of Mesoporous Silica from Anorthite Clay Mineral: Role of Mechanical Activation
... of clay crystals should be seen as a real amorphization of the structure characterized by the cleavage of bonds between clusters of atoms and the irreversible displacement of atomic groups which do not revert on ...
5
Clay Mineral Transformation in the Weathering Crust: Evidence from the Kundara Clay Mine, Kerala
... nite assemblage is characteristic of the clay minerals of the weathering crust in south Kerala and tl1at halloysite is undergoing transformation into well-crystallin[r] ...
5
Spectroscopic and thermal analysis of clay mineral organic composites
... Xu et al143 studied by water sorption from the vapour phase, cation exchanged montmorillonites via infrared spectroscopy using an environmental infrared balance - EIR M ). It was found that at water contents of < 6 ...
300
Mutual Adsorption of Lead and Phosphorus onto Selected Soil Clay Minerals
... to clay surface) by three clays mineral samples as shown in Figures ...with clay free ...onto clay minerals can occur through two mechanisms: the first, via outer-sphere adsorption, which ...
15
Sorptivity of Cd, Co and Pb on Soil, Montmorillonite and CaCO3 under Effect of their Different Concentrations in Equilibrium Solution
... ORPTIVITY, as a reliable mechanism for reducing availability of …...heavy metal, was investigated on two soils, i.e., Typic Torriorthent and Typic Haplocalcid, montmorillonite clay mineral and calcium ...
15
A distal 140 kyr sediment record of Nile discharge and East African monsoon variability
... The clay mineral and grain size data of SL110 indicate an enhanced riverine influx of suspension from the Blue Nile and the Atbara River to the Mediterranean Sea during the AHPs and therefore document ...
15
Proportioning of Cement Based Grout for Sealing Fractured Rock Use of Packing Models
... flow path (cm), S = shape factor, = viscosity (P), L = length of flow path (cm). The shape factor S and the ex- ponent x are dimensionless parameters. For cylindrical tubes of constant diameter as in the tests, S = 8 ...
10
Oxygen and Hydrogen Isotope Ratios in Sedimentary Rocks and Minerals
... The clay mineral suites of the ocean sediments cannot therefore be interpreted as being entirely composed of minerals in isotopic equilibrium with sea water or w[r] ...
228
The effect of potassium upon the uptake and distribution of magnesium in plants
... 1949.- Effect of exchange capacity of clay mineral and acidoid content of plant on uptake of sodium and calcium by excised barley and pea roots... 1953.- Mechanism of ion absorption by r[r] ...
222
Eosin Removal Properties of Organo-Local Clay from Aqueous Solution
... local clay mineral (M6) was collected from Al-Madinah Al-Munawwarah, area, near Al- Agoul ...of mineral water, and mixed with two grams of M6 clay, for overnight at room ...
6