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Clays, Natural Resources and Economic Development with special Reference to South Africa
Clays Natural Resources Economic Development special Reference South Africa
2012/3/14
Clays, Natural Resources and Economic Development with special Reference to South Africa.
IDENTIFICATION OF THE EXPERIMENTAL DATA OF DYE ADSORPTION ON NATURAL DISPERSED SORBENTS TO THEORETICAL MODELS
adsorption natural dispersed sorbents dyes identification Isotherm theoretical models of adsorption
2011/11/11
The present study deals with removal of organic dyes from wastewater onto natural dispersed sorbents, namely bentonite, glauconite and paligorskyte. The obtained data were fitted to various theoretica...
Study on Diameter Distribution of Natural Secondary Forest
Average Diameter at Breast Height Diameter Distribution Secondary Forest Stand Description Factor
2011/12/21
This study used 45 permanent sample plots investigated in 2007 and 6 permanent sample plots investigated in 2008 in Mao’er Mountain natural secondary forest area and 68 permanent plots investigated in...
An Analysis on the Carbon Content Rate of Natural White Birch in Xiaoxinganling Mountain Area
Carbon Content Rate Natural White Birch Xiaoxinganling
2011/12/20
This paper applied dry combustion method to determinate the carbon content rates in different organs of natural white birch trees in xiaoxinganling mountain area and carried on the analysis and compar...
Research on the Method of Comprehensive Zoning Indices Analysis in Natural Zoning for Highways
Comprehensive Index Analysis Fuzzy Clustering Influence Coefficient Natural Zoning for Highways Rough Sets
2011/12/21
Natural Zoning for Highways is the important basis of highway network planning and establishment of related specifications and standards. Determination method for influence coefficients of comprehensi...
The Research on Theme Park Planning of Mountainous City Based on Natural Factor
Mountainous City Natural Factor Planning and Design Planning Control
2011/12/15
Natural factor is that various factors as the ridges, valleys, plateaus, ravines formed by the nature force and can be abstracted as plane figure in topography. It is an important factor to control th...
Effect of Attapulgite and Carbon Black on the Properties of Natural Rubber
Attapulgite Carbon Black (CB) Co-Coagulating Rubber Latex Modified Attapulgite Natural Rubber (NR) Properties
2011/11/15
The modified attapulgite / natural rubber composites (MANRC), attapulgite / natural rubber composites (ANRC) and carbon black N330 / natural rubber composites (CBNRC) were prepared by co-coagulating r...
Preparation and Properties of Attapulgite / Natural Rubber Micro - Nano Composites
Attapulgite Clay Aqueous Suspension Co-Coagulating Rubber Latex Mechanical Properties Micro-Nano Composites Natural Rubber (NR) Vulcanization Properties
2011/11/14
The attapulgite / natural rubber (NR) micro-nano composites were prepared by co-coagulating rubber latex and clay aqueous suspension. The vulcanization behavior, mechanical properties and microcosmic ...
Preparation and Swelling Characteristics of a Superabsorbent Nanocomposite Based on Natural Guar Gum and Cation-Modified Vermiculite
guar gum vermiculite superabsorbent nanocomposite pH-sensitive swelling
2011/12/13
A series of novel superabsorbent nanocomposites were prepared by the solution radical polymerization of natural guar gum (GG), partially neutralized
acrylic acid [sodium acrylate (NaA)], and cationex...
Thermoanalytical studies of natural potassium, sodium and ammonium alunites
Alunite thermal analysis, Controlled rate thermal analysis, Dehydration, Dehydroxylation
2011/11/10
Dynamic and controlled rate thermal analysis (CRTA) has been used to characterise alunites of formula [M(Al)3(SO4)2(OH)6] where M+ is the cations K+, Na+ or NH4 +. Thermal decomposition occurs in a se...
Preparation and swelling properties of superabsorbent nanocomposites based on natural guar gum and organo-vermiculite
Guar gum Organo-vermiculite Superabsorbent Swelling Graft copolymerization Nanocomposites
2011/12/14
Vermiculite (VMT) was modified with cetyl trimethylammonium bromide (CTAB). Superabsorbent nanocomposites were prepared by solution polymerization of natural guar gum (GG), partially neutralized acryl...
Preparation, characterization and properties of superabsorbent nanocomposites based on natural guar gum and modified rectorite
Superabsorbent nanocomposites Guar gum Rectorite Exfoliation Intercalation Swelling
2011/12/14
Novel guar gum-g-poly(sodium acrylate)/rectorite (GG-g-PNaA/REC) superabsorbent nanocomposites were prepared in aqueous solution using guar gum (GG),partially neutralized acrylic acid (NaA), acidified...
INTERACTION OF AQUEOUS ACIDIC-FLUORIDE WASTE WITH NATURAL TUNISIAN SOIL
Acidic-fluoride Waste Storage Clay DTA-TG FTIR Permeability
2011/11/7
Clayey soils are essential materials used to reduce hydraulic conductivity and pollutant migration, common at sites of waste disposal. This study investigates the possible use of a Tunisian soil as a ...
Formation of Banded Iron-Manganese Structures by Natural Microbial Communities
Bacteria Banded Fe-Mn Structure Biomats Biomineralization Zebra Architecture
2011/12/6
Abstract: Microbial structures in the form of banded zebra patterns have been found as periodic iron-manganese layers in living biomats on the coast of Satsuma-Iwo Jima, a small volcanic island near s...
Reactive Al-O-Al sites in a natural zeolite: Triple-quantum oxygen-17 nuclear magnetic resonance
Reactive Al-O-Al sites natural zeolite Triple-quantum oxygen-17 nuclear magnetic resonance
2012/4/1
In framework aluminosilicate materials (e.g., feldspars, zeolites and many others), it is generallyassumed that AlOtetrahedra do not share corners, i.e., that Al-O-Al oxygen sites are avoided whenstoi...