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Chemical and isotopic composition of fumarolic gases at Iwate volcano, Japan, during and after seismic activity in 1998: implications for the modification of ascending volcanic gases
Volcanoes volcanic earthquakes expectations and volcanic gases seismic activity the concentration of hydrochloric acid
2015/8/27
In 1998, there were many volcanic earthquakes recorded at Iwate volcano, Japan. Although an eruption was anticipated, it never occurred. Fumarolic gases were sampled at the volcano on six occasions du...
Modification of clay liners to improve barrier capabilities for hypersaline leachates
Modification clay liners improve barrier capabilities hypersaline leachates
2012/3/30
Organo-clay composites have potential applications in geosynthetic clay liners to provide protection against loss of the hydraulic barrier under hypersaline conditions (Gates, 2004). It has been repor...
Modification of halloysite nanotubes with glycidyl methacrylate
Modification halloysite nanotubes glycidyl methacrylate
2012/3/30
Halloysite is a tubular or hollow cylinder shaped clay and is commonly known as halloysite nanotubes (HNTs) which has a chemical formula of Al2(OH)4Si2O5.2H2O similar to kaolinite (Joussein et al., 20...
Modification and Characterization of Leather Superfine Powder
Acrylic Acid Leather Superfine Powder Maleic Anhydride (MA) Surface Modification
2011/12/21
Stable leather superfine powder suspension was got by superfine powder of leather solid wastes, maleic anhydride(MAH) and acrylic acid(AA). The best MAH、AA modifying conditions with grafting ratio as ...
Modification of Nano-Titanium Dioxide Film and Processing Experimental Study of Tannery Waste Water
Modification Nano Meter Titanium Dioxide Photocatalysis Tannery Wastewater
2011/12/16
This paper was prepared by liquid phase deposition of quartz sand load nanometer titanium dioxide film, in which quartz sand as the carrier, and to Fe3+,Zn2+ as doping on the membrane was modified. Th...
Surface Modification of Acid Activated Polyamide Fiber by Immobilizing Collagen
Collagen Immobilization Polyamide Fiber Surface Modification
2011/12/20
Collagen was immobilized onto moderate acid activated polyamide fibers with glutaraldehyde (cross-linking agent) aimed to improve its sanitary property. The immobilization of collagen onto polyamide f...
Study on Modification of Rammed Earth Material in Mountain Areas
Compaction Test Direct Shear Test Modification Raw Soil
2011/12/16
In order to explore the proper modified materials of the raw-soil building in mountain area, the raw-soil modified materials now being used commonly are analyzed effectively at first, and the natural ...
Preparation and Characterization of Polypyrrole/Attapulgite with Organic Surface Modification Conducting Composite
Attapulgite Conducting Nano-Composite Material Organic Surface Modification Polypyrrole Silane Coupling Agent Sulfamic Acid
2011/11/14
Attapulgite was organic surface modified with silane coupling agent (KH570) and acetone, with ferric chloride (FeCl3∙6H2O) as the oxidant, sulfamic acid(SA) as dopant, prepared polypyrrole/attap...
MODIFICATION OF FIBROUS SILICATES SURFACES WITH ORGANIC DERIVATIVES – AN INFRARED SPECTROSCOPIC STUDY
FIBROUS SILICATES SURFACES ORGANIC DERIVATIVES
2011/11/7
This contribution explores the interaction of the fibrous silicates, palygorskite, sepiolite and chrysotile with a wide range of organic agents. Infrared spectroscopy (IR) methods are essential for th...
Characterization of Montmorillonite Surfaces after Modification by Organosilane
Clay-Organic Interactions Montmorillonite Organic Coating Silane Surface Modification
2011/12/2
Abstract: X-ray powder diffraction (XRD), thermal gravimetric analysis (TGA), surface area measurements, and near-edge X-ray absorption fine structure (NEXAFS) spectroscopy were used to examine the su...
Modification of Sepiolite by Treatment with Fluorides: Structural and Textural Changes
Activation Fluoride Activation Sepiolite Silicate Acidity
2011/12/8
Abstract: In the search for new applications of natural silicates, various F− treatments have been applied to sepiolite to increase its acidic properties and for use as a catalyst in reactions o...
Crystal structure of hexagonal trinepheline--a new synthetic NaAlSiO4 modification
Crystal structure hexagonal trinepheline NaAlSiO4
2012/3/31
The crystal structure of a synthetic NaAlSiO4 modification has been solved and refined to an R index of 0.020 for 2745 independent reflections. The compound is hexagonal with space group symmetry P 6 ...
Modification of garnet by fluid infiltration during regional metamorphism in garnet through sillimanite-zone rocks, Dutchess County, New York
Modification garnet fluid infiltration metamorphism sillimanite-zone rocks
2012/4/6
Metapelitic rocks from a progressive metamorphic sequence in Dutchess County, New York,record evidence for reaction between garnet and fluids associated withquartz (::!:pla-gioclase) veins and for net...
The Effect of Surface Modification by an Organosilane on the Electrochemical Properties of Kaolinite
Acidity constants Electrophoresis Kaolinite Modeling Silane Surface charge Surface modification
2011/12/28
The electrochemical properties of kaolinite before and after modification with chlorodimethyl-octadecylsilane have been studied by electrophoretic mobility, surface charge titration, and extrapolated ...
Modification of the Porous Structure and Surface Area of Sepiolite Under Vacuum Thermal Treatment
Adsorption microcalorimetry Microporosity Reciprocal thermal analysis Sepiolite Surface area Thermal treatment
2012/1/9
Modifications of the external surface area and the two types of microporosity of sepiolite (structural microporosity and inter-fiber porosity) were examined as a function of the temperature of a vacuu...