搜索结果: 1-15 共查到“矿床学与矿相学 Metal”相关记录24条 . 查询时间(0.078 秒)
3-D Geologic Map Leads To Precious Metal Discovery（图）
3-D Geologic Map Leads Precious Metal
2018/1/10
Using technology for 3-D electronic mapping originally developed by scientists working in the McMurdo Dry Valleys of Antarctica, NSF-funded researchers discovered one of the world's largest precious m...
Heavy Metal Content and Antimicrobial Activities of Some Naturally Occurring Facial Cosmetics from South Eastern Nigeria
Heavy Metal Content Antimicrobial Activities Occurring Facial Cosmetics South Eastern Nigeria
2012/3/14
Heavy Metal Content and Antimicrobial Activities of Some Naturally Occurring Facial Cosmetics from South Eastern Nigeria.
Assessment of Soil Heavy Metal Cu, Zn and Cd Pollution in Beijing, China
Beijng Cd Cu Soil Heavy Metal Pollution Zn
2011/12/21
The soil heavy metal pollution have be paid more attention because the sources of soil heavy metals become multiple and complicated with the accelerated urbanization. According to this research, the o...
Research on Heavy Metal Pollution and Hazards of Tailings
Heavy Metal Infusion Toxicity Slag Yard Tailings Waste Slag
2011/12/20
Everyone knows heavy metals are inorganic pollutants with strong toxicity and typical pollutant needing preferentially control. In the metal mines of China, the tails that were piled up on the ground ...
The Effect of Laser Processed Nano-SiC-Ni Metal Ceramic on the Surface Properties of the Iron-Based Material
Appraisal System Grey Relation Evaluation Theory Laser Alloying Metal-Ceramic Silicon Carbide (SiC)
2011/11/22
In this article, we have carried out the Ni based self fluxing alloy powder and studied the effect on the laser alloying of 45steel layer which contains different weight percentage of nano-SiC powders...
A pH-Sensitive Composite Hydrogel Based on Sodium Alginate and Medical Stone:Synthesis, Swelling, and Heavy Metal Ions Adsorption Properties
composite hydrogel sodium alginate medical stone swelling adsorption pH-sensitivity
2011/12/14
New pH-sensitive composite hydrogels were synthesized by free-radical graft copolymerization among sodium alginate (NaAlg), sodium acrylate (NaA), and medical stone (MS). Fourier transform infrared sp...
Research on Purification of Attapulgite Clay and Adsorption Characteristics for Metal Cations
Acid Treatment Alkaline Treatment Attapulgite Clay Cation-Adsorption Purification
2011/11/22
Attapulgite clay(ATP) from Xuyi county of China was purified by a wet method then treated with NaOH and 1.0 mol/L, 2.0 mol/L and 3.0 mol/L solutions of HCl. Transmission electron microscope(TEM) and X...
Application of the FT-IR/PAS and DRS Methods for Studying Heavy Metal Ions Sorption on the Inorganic Sorbents
Metal Ions Sorption Inorganic Sorbents
2011/11/7
The scope of this study was the removal of heavy metal ions, ammonium and organic substances by ion exchange from municipal wastewaters. Clinoptilolite, bentonite, and palygorskite are especially inte...
THE FT-IR/PAS AND DRS METHODS FOR STUDYING HEVY METAL IONS SORPTION ON THE INORGANIC SORBENTS
sorption kinetics heavy metals detection spectroscopic metods
2011/11/7
The scope of this study was the removal of heavy metal ions, ammonium and organic substances by ion exchange from municipal wastewaters. Clinoptilolite,
bentonite, and palygorskite are especially int...
Properties and Acid Dissolution of Metal-Substituted Hematites
Acid Dissolution Activation Energy Frequency Factor Hematite Iron Oxide Metal Substitution
2011/12/2
Abstract: The dissolution in 1 M HCl of Al-, Mn-, and Ni-substituted hematites and the influence of metal substitution on dissolution rate and kinetics of dissolution were investigated. The inhomogene...
Sorption of Heavy-Metal Cations by Al and Zr-Hydroxy-Intercalated and Pillared Bentonite
Heavy Metals Intercalation Montmorillonite Pillared Clay Sorption
2011/12/7
Abstract: The sorption of Cd, Cu, Pb, and Zn ions by Na-rich bentonite, Al and Zr-pillared Na-rich bentonite (Al-MX80, Zr-MX80), the uncalcined hydroxy-intercalated precursors (HAl, HZr-MX80), and com...
Interlayer structure, anion dynamics, and phase transitions in mixed-metal layered hydroxides: Variable temperature 35Cl NMR spectroscopy of hydrotalcite and Ca-aluminate hydrate (hydrocalumite)
Cl -intercalated hydrotalcite Ca-aluminate hydrate Variable temperature
2012/3/31
The Cl NMR spectroscopy of Cl -intercalated hydrotalcite and the Ca-aluminate hydrate, the presence of
hydrocalumite (Friedel°Os salt) demonstrates dynamical behavior of interlayer C
dynamical orde...
Coprecipitates of Cd, Cu, Pb and Zn in Iron Oxides: Solid Phase Transformation and Metal Solubility after Aging and Thermal Treatment
Aging Study Coprecipitation Electron Microprobe Analysis Ferrihydrite Transformation Metal Solubility Rate of Titration Thermal Treatment
2011/12/8
Abstract: Solid phase transformation and metal solubility were monitored after coprecipitation of Cd2+, Cu2+, Pb2+ and Zn2+ with Fe3+ to form ferrihydrite by titration to pH 6. The (co)precipitates we...
Solid-solid reactions mediated by a gas phase: An experimental study of reaction progress and the role of surfaces in the system olivine+iron metal
Solid-solid reactions olivine+iron metal
2012/4/1
The intergranular fluid involved in solid-solid reactions is tacitly assumed to be a melt or a (C-O-H-S-Cl-F)-bearing phase. We have studied the system olivine 1metal using dif-fusion couple experimen...
Charge Reversal of Kaolinite by Hydrolyzable Metal Ions: An Electroacoustic Study
Adsorption Cadmium Charge reversal Cobalt Copper Electroacoustics Electrokinetics Kaolin Metal ions (hydrolyzable)
2011/12/31
Electroacoustic measurements at 1 MHz, using the Electro-Sonic Amplitude (ESA), on a kaolinite suspension provide a ready method for following the adsorption of hydrolyzable metal ions onto the clay s...