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A METHOD FOR THE DETERMINATION OF THE CATION EXCHANGE CAPACITY OF CLAY MINERALS AND SOILS
CLAY MINERALS SOILS METHOD
2011/11/15
For many purposes it is desirable to have a method for the determination of the cation exchange capacity of clay minerals based on principles as free from ambiguity as possible. Most of the many metho...
Forest Biomass Estimation Based on Remote Sensing Method for North Daxingan Mountains
BP Neutral Net Forest Biomass Landsat TM Data Multiple Linear Regression
2011/9/1
Using the Landsat 5 TM images in 2002 as source data，the paper constructed individual tree biomass models of seven principal species based on the data from field surveying and fixed Plots in Tahe and ...
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
2011/9/1
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 Utilization of the Contrary Space Sequence Analytic Method in Modern Villages and Towns Planning Design
Analysis Contrary Space Sequence Design Planning of Village and Town
2011/9/1
The combination of the Contrary Space Sequence is the rule of the composition of landscape space which the majority historical towns followed. the charm of several hundred years’ ancient town space is...
Research on Photocatalysis Properties of Nano TiO2/Mica Composite Material Prepared by the Method of Hydrolysis–Precipitation
Composite Material Hydrolysis – Precipitation Photocatalyst TiO2/M
2011/7/1
Using muscovite as the carrier, TiCl4 as the source of titanium, urea as the precipitating agent, nano-TiO2/mica photocatalyst (TiO2/M) was prepared by the method of hydrolysis–precipitation. The as -...
In order to solve the problem of picking carya cathayensis, the paper studies picking methods of the fruit and picking characteristics of carya cathayensis, The vibration method was put forward for ca...
Load Calculation Method of Tunnels with Shallow Buried Depth and Unsymmetrical Pressure in Regions of Weak Fissured Surrounding Rock
Lining Load Numerical Calculation Tunnel with Unsymmetrical Pressure Weak Surrounding Rock
2011/5/1
The key problem of supporting structure design is the load calculation in tunnels with shallow buried depth and unsymmetrical pressure in the situation of weak surrounding rock. The results of simplif...
Synthesis of Pure Zeolite X from Palygorskite Clay Using a Two-Stage Method
Palygorskite Clay Synthesis Two-Stage Method Zeolite X
2011/5/1
A natural mineral, palygorskite clay, was used to synthesize pure zeolite X via a two-stage method. The synthetic parameters, such as calcination, crystallization time, and SiO2/Al2O3 molar ratio, wer...
Method of Soil Erosion Intensity Spatial Variation Research
Gas Insulation Switchgear (GIS) Luoning County RS Soil Erosion Intensity
2011/2/1
This paper collected attribute data of impacting soil erosion factors by RS and GIS, combined soil erosion model, got load and density of soil erosion in Luoning county, Henan province, and analyzed r...
Tangent Following Control Method of Arc with CNC Cutting Machine Tool
CNC Cutting Machine-Tool Motion Control Tangent Following
2009/8/1
In order to resolve the problem of cutter rotation controlling in the process of cutting using in CNC cutting machine tool, the principle of cutting of CNC cutting machine-tool is analyzed and the coo...
Optimization of synthetic conditions CMC-g-poly (acrylic acid)/Celite composite superabsorbent by Taguchi method and determination of its absorbency under load
polymer gels Taguchi method absorbency under load
2007/6/17
A novel biopolymer-based composite hydrogel was synthesized through chemical crosslinking by graft copolymerization of partially neutralized acrylic acid onto the carboxymethyl cellulose (CMC). The Ta...
Characterization method of Limestone according to the Formation Age on manufacturing process of aragonite precipitated calcium carbonate
Characterization method Limestone the Formation Age manufacturing process aragonite calcium carbonate
2006/5/16
Korea has about 68 hundreds million tons of limestone's reserves. Still, high-Ca2+ limestone containing more than 52% calcium oxide makes up for about 12% only; hence the need for securing and effecti...
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
2000/8/1
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...
Cation-Exchange Capacity (CEC) of Zeolitic Volcaniclastic Materials: Applicability of the Ammonium Acetate Saturation (AMAS) Method
Ammonium Acetate Saturation (AMAS) Method Ammonia Electrode Cation-Exchange Capacity (CEC) Clinoptilolite Greece Kjeldahl Ammonia Distillation
1999/12/1
Abstract: The ammonium acetate saturation (AMAS) method was used to study the cation-exchange capacity (CEC) of zeolitic volcaniclastic materials from Santorini and Polyegos Islands, Greece. The AMAS ...
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
1999/7/9
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...