搜索结果: 1-15 共查到“地质学 Quantitative”相关记录30条 . 查询时间(0.141 秒)
Quantitative analysis of the 1981 and 2001 Etna flank eruptions: a contribution for future hazard evaluation and mitigation
flank eruptions future hazard evaluation and mitigation
2015/8/27
Lava flows produced during Etna flank eruptions represent severe hazards for the nearby inhabited areas, which can be protected by adopting prompt mitigation actions, such as the building of diversion...
Winning the 5th International Reynolds Cup Quantitative Mineralogy Competition
Winning 5th International Reynolds Cup Quantitative Mineralogy Competition
2012/3/30
Substantial advances in instrumentation, computing power and software in recent years have enabled an increasing number of laboratories to use XRD and ancillary techniques for quantitative mineralogic...
Quantitative determination of long-term erosion rates of weathered granitic soil surfaces in western Abukuma, Japan using cosmogenic 10Be and 26Al depth profile
weathered granitic soil surface erosion rate cosmogenic 10Be and 26Al depth profile sampling depth
2017/8/9
We present erosion rates of granitic soil surfaces in the western Abukuma upland, Japan using depth profiles of in-situ produced cosmogenic 10Be and 26Al based on physical parameters for both neutron ...
Palaeoecology of Coal-Bearing Eocene Sediments in Central Anatolia (Turkey) Based on Quantitative Palynological Data
Middle-Late Eocene mangrove palaeoenvironment palaeoclimate central Anatolia
2009/7/7
In this study, the lignite-bearing Yoncalı formation between Yozgat and Sorgun, in central Anatolia has been palynologically examined. Based on 37 outcrop samples, quantitative palynological stud...
A rock mass assessment procedure based on quantitative geophysical log analysis of coal measure sequences
logging, coal mining geotechnical classification
2009/3/5
Geophysical logging is routinely undertaken as part of most coal mine exploration programs. Currently, the main application for the logs is to determine coal seam depth and to qualitatively estimate c...
期刊信息
篇名
A quantitative conodont bio-stratigraphy for permian and Triassic and their mutual boundaries in China
语种
英文
撰写或编译
撰写
作者
Yao Jianxin,Li Zishun,Zhan Lipei and Pan Yuntang
第一作者单位
Institute of G...
期刊信息
篇名
Quantitative interpretation of self-potential anomaly in hydrogeological exploration of volcanic areas
语种
英文
撰写或编译
撰写
作者
Zhang Gui-Bin,M. Aubert
第一作者单位
China University of Geosciences(Beijing)...
Quantitative Estimation of Palygorskite using thermogravimetric Analysis in Paleosols from Sepahanshahr, Isfahan, Iran
Quantitative Estimation Palygorskite thermogravimetric Analysis
2011/11/4
Palygorskite accounts for a major portion of the minerals present in paleosols in the central Iranian plateau. The identification and quantitative determination of this clay mineral is of great import...
Quantitative X-Ray Diffraction Analysis of Clay-Bearing Rocks from Random Preparations
Clay Minerals Marls Quantitative Analysis Shales X-ray Diffraction
2011/12/5
Abstract: An internal standard X-ray diffraction (XRD) analysis technique permits reproducible and accurate calculation of the mineral contents of rocks, including the major clay mineral families: Fe-...
Quantitative Measurement of Paramagnetic Fe3+ in Kaolinite
Electron Paramagnetic Resonance EPR Fe3+ Kaolinite
2011/12/6
Abstract: A method is proposed to measure the absolute concentration of paramagnetic Fe3+ ions in kaolinite from various geochemical environments using powder X-band electron paramagnetic resonance (E...
Improvements to the Quantitative Assay of Nonrefractory Minerals for Fe(II) and Total Fe Using 1,10-Phenanthroline
1,10-Phenanthroline Belousov-Zhabotinsky Reaction Fe Fe(II) Ferrous Iron Hydroxylamine Oscillatory Reaction Photoreduction Total Iron
2011/12/2
Abstract: A method using 1,10-phenanthroline (phen) to quantify Fe(II) and total Fe in nonrefractory minerals was modified to improve the accuracy and precision and to eliminate the inconvenience of p...
Quantitative arsenic speciation in mine tailings using X-ray absorption spectroscopy
Quantitative arsenic speciation X-ray spectroscopy
2012/3/31
X-ray absorption fine structure spectroscopy (XAFS) was used to determine arsenic (As) oxidation state, local coordination (to a radius of ┆7Aⅹaround As), and the relative proportion of different As s...
Quantitative measurement of short compositional profiles using analytical transmission electron microscopy
Quantitative measurement transmission electron microscopy
2012/3/31
Analytical transmission electron microscopy (ATEM) was used to quantitatively measure sub-micrometer compositional profiles produced experimentally by Fe-Mg interdiffusion experiments in olivine. Alth...
Quantitative Phase Analysis of Bidi-Koum Bauxites (Guinea)
Bauxite Boehmite Gibbsite Goethite Hematite Quantitative Phase Analysis Wet Chemistry X-ray Diffraction X-ray Fluorescence
2011/12/22
Abstract: Fifty-two Bidi-Koum bauxites from Guinea, Africa, of diversified chemical composition were characterized for their mineral composition. First, 14 element oxide concentrations were determined...
Refined Relationships between Chemical Composition of Dioctahedral Fine-Grained Micaceous Minerals and Their Infrared Spectra within the OH Stretching Region. Part II: The Main Factors Affecting OH Vibrations and Quantitative Analysis
Cation Mass Cation Valency IR Spectra OH Stretching Frequencies Quantitative Analysis
2011/12/9
Abstract: A new model for the interpretation of dioctahedral mica infrared (IR) spectra in the OH stretching vibration region is proposed. It is based on the analysis of the main factors responsible f...