搜索结果: 16-30 共查到“理学 rocks”相关记录144条 . 查询时间(0.074 秒)
Strain localisation in mechanically layered rocks beneath detachment zones: insights from numerical modelling
Fully dynamic numerical simulation of the seepage plate separation zone mode localization testing
2015/1/5
We have designed a series of fully dynamic numerical simulations aimed at assessing how the orientation of mechanical layering in rocks controls the orientation of shear bands and the depth of penetra...
A simple method for solving the Bussian equation for electrical conduction in rocks
Bussian equation electrical conduction in rocks
2014/12/31
One of the most general and effective models for calculating the complex electrical conductivity and relative dielectric permittivity of rocks saturated with pore fluids is that of Bussian. Unlike mos...
河南理工大学地球科学课件chepter 2 Mineral and Rocks。
Orion rocks! Pebble-size particles may jump-start planet formation（图）
rock Pebble-size particles jump-start planet formation
2014/9/1
Astronomers using the National Science Foundation’s (NSF) Green Bank Telescope (GBT) have discovered that filaments of star-forming gas near the Orion Nebula may be brimming with pebble-size particles...
Penn geophysicist teams with mathematicians to describe how river rocks round（图）
Penn geophysicist teams river rocks
2014/3/20
A new study by the University of Pennsylvania's Douglas Jerolmack, working with mathematicians at Budapest University of Technology and Economics, have found that rocks follow a distinct pattern as th...
《Rocks & Minerals》
Rocks & Minerals Gold Ink
2013/10/14
The Gold Ink Award is a prestigious printing competition in which companies are able to enter their publications for recognition and awards. With nearly 50 categories, pieces from all types of print p...
Determination of boron and fluoride sources in groundwater: Batch dissolution of carbonate rocks in water
boron fluoride carbonate rock water-rock interaction batch dissolution
2017/4/11
High natural fluoride (up to 6.1 mg/l) and boron (up to 2.1 mg/l) concentrations in groundwater are recorded in western
Estonia, where a carbonaceous Silurian–Ordovician aquifer system is the main so...
Pb isotope analyses of silicate rocks and minerals with Faraday detectors using enhanced-sensitivity laser ablation-multiple collector-inductively coupled plasma mass spectrometry
laser ablation Pb isotopes MC-ICP-MS glass melt inclusion plagioclase clinopyroxene
2017/4/11
We present analytical protocols and the analytical performance of Pb isotope analysis of silicate minerals and rocks at
the Pb = 0.02–15 ppm level using excimer laser ablation (LA) coupled with an en...
Boron and other trace element constraints on the slab-derived component in Quaternary volcanic rocks from the Southern Volcanic Zone of the Andes
Andean Arc arc lava boron prompt γ-ray analysis mantle source
2017/4/11
We present a dataset for boron and other trace element contents obtained from samples from 13 volcanoes distributed
along the Quaternary volcanic front of the Southern Volcanic Zone (SVZ) of the Chil...
High Heat Producing Volcano-Plutonic Rocks of the Siner Area, Malani Igneous Suite, Western Rajasthan, India
Radioactivity Volcano-Plutonic Rocks Malani Igneous Suite
2013/3/11
he volcano-plutonic rocks of the Siner area of the Malani Igneous Suite (MIS) are characterized by high content of radioactive elements (U, Th, K) and are classified as high heat producing felsic volc...
Exploring Trends in Microcrack Properties of Sedimentary Rocks: An Audit of Dry and Water Saturated Sandstone Core Velocity–Stress Measurements
Compliance Ratio Microcrack Properties Saturated Stress Dependent Velocities Ultrasonic
2013/3/11
Stress dependent rock physics models are being used more routinely to link mechanical deformation and stress perturbations to changes in seismic velocities and seismic anisotropy. In this paper, we in...
Total Organic Carbon Enrichment and Source Rock Evaluation of the Lower Miocene Rocks Based on Well Logs: October Oil Field, Gulf of Suez-Egypt
Total Organic Carbon Source Rocks Well Logs October Oil Field Gulf of Suez
2013/3/11
October oil field is one of the largest hydrocarbon-bearing fields which produces oil from the sand section of the Lower Miocene Asl Formation. Two marl (Asl Marl) and shale (Hawara Formation) section...
Characterization and Classification of Rocks with Lamb Modes
Ultrasound Lamb Waves Nondestructive Investigation
2013/3/8
The nondestructive investigation by ultrasound has become a fundamental tool for characterizing rocks. We applied this technique for characterizing samples of rocks. The later had been members of the ...
Sulfur isotopic study of ore minerals and altered host rocks of Neogene–Quaternary overprinting hydrothermal systems in the Toyoha–Muine area, southwest Hokkaido, Japan
sulfur isotopes overprinting hydrothermal systems ore minerals alteration Toyoha–Muine
2017/4/11
Sulfur isotopes in vein sulfides (galena, sphalerite, and pyrite) and pyrite sulfur derived from overprinting hydrothermal
systems in the altered volcanic host rocks of the Toyoha–Muine area are dete...
Reactive-infiltration instabilities in rocks. Fracture dissolution
Reactive-infiltration instabilities rocks Fracture dissolution Fluid Dynamics
2012/4/19
A reactive fluid dissolving the surface of a uniform fracture will trigger an instability in the dissolution front, leading to spontaneous formation of pronounced well-spaced channels in the surroundi...