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Showing 1 to 20 of 243 for “"electrical resistivity"”.

  1. Electrical resistivity changes in tuffs

    Morrow, Carolyn AlexandriaMassachusetts Institute of Technology1979

    Thesis (M.S.)--Massachusetts Institute of Technology, Dept. of Earth and Planetary Science, 1979.

    mit Repository record

  2. Investigating the Performance Of Electrical Resistivity Arrays

    Perren, Lee JohnVirginia Tech2005

    … data is used to evaluate the performance of five electrical resistivity arrays, with the primary criteria being the reproduction of sharp model boundaries. 2D synthetic noise free data were calculated simulating a modern fixed spacing multi-electrode cable. Twelve 2D synthetic models, resembling a …

    vt Repository record

  3. Characterizing soil erosion potential using electrical resistivity imaging

    Karim, Md ZahidulKansas State University2016

    … characteristics also influence soil in situ bulk electrical resistivity (ER) measurements. The objective of this study was to characterize soil erosion potential by correlating the in situ ER of soil with erodibility measured in the Kansas State University Erosion Function Apparatus (KSU-EFA). ER …

    ksu Repository record

  4. Liner characterisation and leak detection using electrical resistivity techniques

    Pandey, Lopa M SEdith Cowan University, Research Online, Perth, Western Australia2018

    The resistivity of soil ranges from 7-15 Ωm for Leachate #1 to 20-50 Ωm for Leachate #2. The resistivity decreases with an increase in the proximity to the leak point. Furthermore, the resistivity values obtained with water were nearly 10 times the values observed with landfill leachate as the …

    edithcowan Repository record

  5. Dissolution-enlarged fractures imaging using electrical resistivity tomography (ERT)

    Siami-Irdemoosa, ElnazMissouri University of Science and Technology

    <p>"In recent years the electrical imaging techniques have been largely applied to geotechnical and environmental investigations. These techniques have proven to be the best geophysical methods for site investigations in karst terrain, particularly when the overburden soil is clay-dominated. Karst …

    must-thes Repository record

  6. The Electrical Resistivity of Cold-Worked Aluminum Single Crystals

    Sosin, AbrahamUniversity of Illinois at Urbana-Champaign2015

    Made available in DSpace on 2015-05-12T17:11:50Z (GMT). No. of bitstreams: 2 license.txt: 4848 bytes, checksum: 96035ab3f5e1c23cc7138a224ce498bd (MD5) 0009148.PDF: 2764106 bytes, checksum: 7e4b13877849e566dade7928a9120029 (MD5) Previous issue date: 1954

    uiuc Repository record

  7. A theory of the electrical resistivity of liquid metals

    Tefft, Wayne EarlUniversity of Illinois at Urbana-Champaign2011

    … be obtained from the experimentally determined resistivity of sodium, and from the assumption that the ratio o'f the nearest=neighbor distance to the mean free path due to long-range disorder is the same for all metals 'at their melting pointso This was Zimanis procedure for estimating his …

    uiuc Repository record

  8. Electrical resistivity of sandy soil with water, leachates and seawater

    Pandey, Lopa MudraEdith Cowan University, Research Online, Perth, Western Australia2015

    … the leakages through the liners, use of the electrical resistivity method can assist in timely detection of contaminant migration in cost-effective manner. This method is based on the well-established fact that the electrical resistivity of soils and other geomaterials is much higher than the …

    edithcowan Repository record

  9. The influence of microstructure on electrical resistivity in palladium alloys

    Lang, Candace IreneCentre for Materials Engineering1993

    The relationship between microstructure and electrical resistivity has been studied in palladium-tungsten and palladium-molybdenum alloys, which exhibit an anomalous increase in resistivity after annealing. The effect of dislocations and structural order on resistivity has been investigated in …

    cape-town Repository record

  10. MONITORING INFILTRATION FROM NATURAL STORMS USING TIME-LAPSE ELECTRICAL RESISTIVITY TOMOGRAPHY

    Schlosser, KennethTemple University. Libraries2017

    Time-lapse electrical resistivity tomography (TL-ERT) enables an accurate characterization of the heterogeneity of flow through the unsaturated zone especially when compared to point measurements taken within the same survey area. The most powerful tool for understanding the unsaturated zone is a …

    temple Repository record

  11. ERTh: Electrical resistivity monitoring of heat tracer to characterize aquifer heterogeneities

    Adetokunbo, Rasheed PeterState University of New York at Buffalo2018

    M.S.

    buffalo Repository record

  12. THE EFFECT OF STRAIN ON THE ELECTRICAL RESISTIVITY OF THIN FILMS

    Taylor, Alan GeoffreyDe Montfort University1985

    This work reports the effect of strain on the electrical resistance of continuous metal and metal/insulator composite films. A novel expression for the effect of strain on the effective number of free electrons per unit volume is derived, and incorporated into a current theoretical model which …

    de-montfort Repository record

  13. Determination of soil moisture content and density using electrical resistivity values

    Zainal Abidin, Mohd HazreekUniversiti Sains Malaysia2018

    Ciri geoteknik merupakan elemen penting dalam kerja-kerja rekabentuk dan pembinaan kejuruteraan awam. Pada masa lalu, ciri geoteknik diperolehi menggunakan teknik penyiasatan tapak konvensional melalui penggerudian dan pengorekan. Kaedah tersebut mempunyai beberapa batasan dari segi kos, masa dan …

    uthm Repository record

  14. Inspection of Earthen Embankment Dams Using Time Lapse Electrical Resistivity Tomography

    Case, Jared Stewart2019

    … more confident evaluation of a dam's integrity. Electrical resistivity is one geophysical technique that would be useful in detecting internal flaws associated with seepage and piping because it is sensitive to moisture changes. A study is being conducted to examine the feasibility of electrical …

    mississippi Repository record

  15. Electrical Resistivity Tomography (ERT) and electromagnetic (CMD) assessment of Scottish reservoir embankments

    Dreimanis, KarlisUniversity of Strathclyde2012

    … (Electromagnetic Conductivity Meter) and ERT (Electrical Resistivity Tomography). The tests identified metal objects (pipes and drains) in various locations on site. These findings were confirmed by visual inspections. Results also revealed that the soil is highly conductive (low resistivity) …

    strathclyde Repository record

  16. Electrical resistivity variations and fault creep behavior along strike-slip fault systems

    Fitterman, David VincentMassachusetts Institute of Technology1975

    Thesis. 1975. Ph.D.--Massachusetts Institute of Technology. Dept. of Earth and Planetary Sciences.

    mit Repository record

  17. Hydrologic Process Parameterization of Electrical Resistivity Imaging of Solute Plumes Using POD MCMC

    Awatey, MichaelState University of New York at Buffalo2018

    M.S.

    buffalo Repository record

  18. Effects of electrical resistivity on fast electron transport in relativistic laser-solid interactions

    MacLellan, David AndrewUniversity of Strathclyde2014

    … Wcm⁻²) laser pulses. Specifically, the effect of electrical resistivity on fast electron transport is explored. The first investigation explores fast electron transport in allotropes of carbon by measuring the spatial-intensity distribution of the beam of protons accelerated from the target …

    strathclyde Repository record

  19. Determining the influence of transpiration on soil moisture pathways using electrical resistivity imaging

    Feist, Rachel A.Colorado School of Mines. Arthur Lakes Library2015

    … affected by daily transpiration using time-lapse electrical resistivity imaging (ERI) on a ponderosa pine and the surrounding soil during the growing season. By comparing sapflow measurements to the ERI data, we find that high periods of sapflow within the diel cycle are aligned with decreases in …

    colo-mines Repository record

  20. Reactive radio frequency sputtering of iron oxide thin films for electrical resistivity characterization

    Hackler, CullVirginia Polytechnic Institute and State University1974

    … sputtering. The correlation between the electrical resistivity and the sputtering atmosphere (oxygen pressure) was made and plotted. Identification of the Fe<sup>2+</sup> to Fe<sup>3+</sup> ion ratio was impossible, but X-ray diffraction data were used to identify the iron oxide phase or …

    vt Repository record

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