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Water Environmental Carrying Capacity Calculation and Protection Measures on Hefang Reservoir
Carrying Capacity Hefang Reservoir Total Phosphorus Water Environmental Capacity
2011/12/20
According to the investigation and supervision on current water quality in Hefang Reservoir, the single factor and eutrophication evaluation on the current water environment is given. Total phosphorus...
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
2011/12/21
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...
Tearing Strength Calculation Model of the Synthetic Leather Base
Synthetic Leather Base Tearing Strength Test Theoretical Calculation Mode
2011/12/14
The synthetic leather base is a composite, with the top and lower layers are nonwovens and the middle is woven fabrics. Firstly, the single rip tearing strength and drawing out resistances of the leat...
Phase Analysis of Clays Using an Expert System and Calculation Programs for X-Ray Diffraction by Two- and Three-Component Mixed-Layer Minerals
Clay Analysis Expert System Mixed-Layer Minerals Phase Analysis XRD
2011/12/2
Abstract: X-ray phase analysis of clays is difficult because these materials generally consist of a mixture of different phases, i.e., mixed-layer minerals, individual clay minerals (non mixed-layer),...
Ab initio calculation of the pleochroism of fayalite
Ab initio calculation pleochroism fayalite
2012/4/5
Opticalpropertiesoffayalite,Fe SiO ,havebeenobtainedfromabinitiocalculationsonthebasisoftheself-consistentenergybandstructure.Thesemi-relativistic,extended
linear-augmentedplanewavemethod(ELAPW)wasus...
Ab initio calculation of electric-field--gradient tensors of forsterite
Ab initio calculation electric-field--gradient tensors forsterite
2012/4/5
Abinitio band-structure calculations based on the density functional theory have been performed for forsterite to obtain, witha parameter-free model, electric-field gradients for all nuclei. Calculati...
Granitic melt viscosities: Empirical and configurational entropy models for their calculation
Granitic melt viscosities entropy models calculation
2012/4/5
Newly measured viscosities ofa low H20-content granitic meltand a low H20-content albitic melthave been combined withviscosity data from the literature to create two new modelsfor the calculation ofgr...
Nature of Structural Disorder in Natural Kaolinites: A New Model Based on Computer Simulation of Powder Diffraction Data and Electrostatic Energy Calculation
Energy calculation Kaolinite Layer disorder XRPD simulation
2011/12/28
A new model for the description of the structural disorder in natural kaolinite materials is proposed, based on the stacking of two 1:1 layers and their enantiomorphs, and encompassing previously prop...
Model Calculation of Sepiolite Surface Areas
Heat treatment Model calculation Sepiolite Surface area
2011/12/28
In general, the N2-BET surface areas of sepiolite samples range from 95 to 400 m2/g depending on deposits.The surface areas of five sepiolites, all varying in crystallite size, were measured on heatin...
Calculation of Electrostatic Interlayer Bonding Energy and Lattice Energy of Polar Phyllosilicates: Kaolinite and Chlorite
Chlorite Electrostatic energy Interlayer bonding Kaolinite Lattice energy
2012/2/6
The electrostatic lattice energy of polar phyllosilicates can be calculated when a correction term Ecorr equal to −2鸬2/V is taken into account, where ?is the dipole moment of a slice d(001) and ...
Potassium- and Ammonium-Treated Montmorillonites. II. Calculation of Characteristic Layer Charges
Ethylene glycol complex Interstratification Layer charge Mixed layer Montmorillonite
2011/11/22
Abstract: The formation of an interstratified structure in dioctahedral smectite was assumed to be influenced by (1) the overall layer charge density and its distribution in the structure, (2) the sol...
Kaolinite Synthesis. I. Crystallization Conditions at Low Temperatures and Calculation of Thermodynamic Equilibria. Application to Laboratory and Field Observations
Aluminum Hydroxide Kaolinite Synthesis Thermodynamic
2012/2/10
The equilibrium diagrams developed for Al-hydroxide and for kaolinite by Garrels and Christ (1965) have been modified by taking into account the existence of gels. From the stability zones obtained, t...
Determination of Structural Defects in Phyllosilicates by X-Ray Powder Diffraction—I. Principle of Calculation of the Diffraction Phenomenon
Determination Structural Defects Phyllosilicates X-Ray Powder Diffraction
2012/2/13
This paper describes the calculation of the diffracted intensity for models of powdered minerals with lamellar structure, in order to compare experimental and theoretical X-ray diagrams. The calculati...