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Calculation formula for apparent electrical resistivity of ...

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Calculation formula for apparent electrical resistivity of ...

No. 3 CALCULATION FORMULA FOR ELECTRICAL RESISTIVITY 295 of analysis and deduction, we take the isotropic high porosity body with well-distributed voids as

http://tech.scichina.com:8082/sciEe/fileup/PDF/99ye0294.pdf

Date added: August 31, 2013 - Views: 4

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Application Note Volume and Surface Resistivity Measurements ...

Surface resistivity is defined as the electrical resistance of the surface of an insulator material. ... ing calculation and displays the volume resistivity reading: K

http://www.keithley.com/data?asset=6069

Date added: October 20, 2011 - Views: 20

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Earthing Calculation - Weebly

6/21/12 Earthing Calculation - Open Electrical openelectrical.org/wiki/index.php?title=Earthing_Calculation 3/12 is the resistivity of the earthing conductor (μΩ.cm)

http://electricalsystem.weebly.com/uploads/7/9/3/7/7937982/earthing_calculation_for_switchyard.pdf

Date added: May 5, 2013 - Views: 36

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An introduction to electrical resistivity in geophysics

An introduction to electrical resistivity in geophysics Rhett Hermana) Department of Chemistry and Physics and Department of Geology, Radford University, Radford,

http://www.radford.edu/~rherman/papers/ajp00943.pdf

Date added: January 28, 2012 - Views: 38

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Electrical Resistivity as a Function of Temperature

and the temperature dependence of resistivity is often represented by the empirical relationship ... Electrical Resistivity as a Function of Temperature Author:

http://www.kstreetstudio.com/science/experiments/files/Resistivity.pdf

Date added: July 12, 2013 - Views: 2

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An Assessment of Electrical Resistivity Soundings Data by ...

calculation by Barnes layer method, as it is based on Barnes layer method. ... electrical resistivity data from hard rock areas for groundwater exploration.”

http://psrcentre.org/images/extraimages/IJBEES013023.pdf

Date added: May 29, 2013 - Views: 2

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Surface Resistivity and Surface Resistance Measurements

Surface Resistivity and Surface Resistance Measurements Using a Concentric Ring Probe Technique ... Electrical Conductivity and Resistivity. CRC Press, 1999.

http://www.trekinc.com/pdf/1005_Resistivity_Resistance.pdf

Date added: January 28, 2012 - Views: 21

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Electrical resistivity/ resistance of some semiconductors

Electrical resistivity/ resistance of some semiconductors Rajendra Kumar 2 and Tanveer Ahmad Wani 1 ... Resistivity Calculation Log e A = -0.056 α = -0.026 β = -0.145

http://scholarsresearchlibrary.com/aasr-vol5-iss1/AASR-2013-5-1-134-139.pdf

Date added: May 22, 2013 - Views: 1

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Underground Power Cable Installations: Soil Thermal Resistivity

Water Content in the Field Since thermal resistivity varies so much with water content, and water content in soil is so variable, it is reasonable to ask what water

http://www.decagon.com/assets/Uploads/UndergroundPowerCableInstallationsSoilThermalResistivity.pdf

Date added: June 14, 2012 - Views: 2

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Boundless Electrical Resistivity Tomography BERT 2 { the user ...

Boundless Electrical Resistivity Tomography BERT 2 { the user tutorial ... sub-problem is used to update the resistivity model, a forward calculation is carried out and

http://www.resistivity.net/download/bert-tutorial.pdf

Date added: March 12, 2012 - Views: 4

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TEMPERATURE AND WATER RESISTIVITY - Kansas Geological Survey

TEMPERATURE AND WATER RESISTIVITY For shale-free formations, the conduction of electrical current is almost entirely carried by ions in the formation water.

http://www.kgs.ku.edu/PRS/Info/pdf/doveton3.PDF

Date added: December 13, 2011 - Views: 22

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Electrical Resistivity of a Thin Metallic Film

Electrical Resistivity of a Thin Metallic Film Horacio E. Camblong University of San Francisco, ... the calculation of the electrical resistivity of a thin film using

http://repository.usfca.edu/cgi/viewcontent.cgi?article=1019&context=phys

Date added: March 2, 2015 - Views: 1

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A practical guide to earth resistance testing

Measuring Earth Resistance for Electrical Grounding ... complex formulas for the calculation of the resistance to earth ... and earth resistivity to earth resistance.

http://www.weschler.com/_upload/sitepdfs/techref/gettingdowntoearth.pdf

Date added: December 23, 2011 - Views: 331

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Duct Bank Heating Calculations are Essential for Critical ...

Definitions utilized in the calculation ... This is identified by the soil thermal resistivity ... illustrates that most electrical duct bank installations ...

http://neher-mcgrath.com/Heating_Calculations.pdf

Date added: October 26, 2011 - Views: 73

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Earth Ground Resistance - Find it @ Support.Fluke.com

Resistance Diagnose intermittent electrical problems ... How do I measure soil resistance? To test soil resistivity, ... calculation to be as close to voltage operating

http://support.fluke.com/find-sales/Download/Asset/2633834_6115_ENG_A_W.PDF

Date added: December 28, 2011 - Views: 130

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THEORETIC CALCULATION OF ROCKS ELECTRICAL RESISTIVITY AND ...

1 THEORETIC CALCULATION OF ROCKS ELECTRICAL RESISTIVITY AND SOME EXAMPLES OF ALGORITHM'S APPLICATION Albert Ryjov (MSGPA, Moscow, Russia), Vladimir Shevnin (IMP ...

http://istina.msu.ru/media/publications/articles/871/334/433813/SAG02ptrf_P2VSh.pdf

Date added: March 5, 2014 - Views: 1

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Evaluation of Soil Resistivity - Technical Toolboxes Inc

Page xvi Evaluation of Soil Resistivity Measurement Techniques List of Figures 3.36 Correcting for Shifts in the Schlumberger Apparent Resistivity Curve

http://www.ttoolboxes.com/documents/Table_of_Contents/L52127toc.pdf

Date added: November 25, 2011 - Views: 27

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CHARACTERISTICS OF DEIONISED WATER - Pro-Analitika Kft ...

The resistivity and conductivity of water are temperature-dependent. ... Electrical Resistivity Electrical Conductivity TDS in ppm (approx.) 18 10 18,000,000

http://www.pro-analitika.hu/characteristics_of_deionized_water.pdf

Date added: August 4, 2014 - Views: 1

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Thermal conductivity and electrical resistivity of Armco iron

T ABLE 2. Smoothed values for the thermal conductivity, electrical resistivity, and Lorenz jilll ction of I3M I A nnco iron T empera· Thermal

http://nvlpubs.nist.gov/nistpubs/jres/71C/jresv71Cn4p285_A1b.pdf

Date added: May 25, 2013 - Views: 2

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X. ELECTRICAL RESISTIVITY of SOME METALLIC ELE'TS COMMERCIAL

electrical resistivity in several forms, such as specific resistivity P, ... indicated on the graph sheet for calculation of resistivity is either the

http://www.bnl.gov/magnets/Staff/Gupta/cryogenic-data-handbook/Section10.pdf

Date added: February 15, 2012 - Views: 2

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IELECTRICAL RESISTIVITY, MAGNETIC SUSCEPTIBILITY, AND

Electrical Resistivity, Magnetic Susceptibility and Thermoelectric Power of PtGa2 Li-Shing Hsu, Lu-Wei Zhou,* F. L. A. Machado,t W. Gilbert Clark

http://dtic.mil/cgi-bin/GetTRDoc?AD=ADA225035

Date added: March 2, 2015 - Views: 1

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Electrical resistivity of liquid binary and ternary alloys

Electrical resistivity of liquid binary and ternary ... Abstract New method of calculation of the electrical re-sistivity of liquid and amorphous alloys is presented ...

http://link.springer.com/content/pdf/10.1007%2Fs00339-010-6016-2.pdf

Date added: March 2, 2015 - Views: 1

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Independently peer reviewed paper - Statistical Calculation ...

Only three advanced resistivity calculation methods ... electrical resistivity of glass melts should be established in the future, and a standard reference

http://glassproperties.com/resistivity/ElectrResist_GlassMelts_2005.pdf

Date added: October 18, 2013 - Views: 1

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The Effect of Soil Thermal Resistivity (RHO) on Underground ...

The Effect of Soil Thermal Resistivity (RHO) on Underground ... electrical power engineer should take from this ... Calculation of continuous current

http://www.decagon.com/assets/Uploads/The-Effect-of-Soil-Thermal-Resistivity-RHO-on-Underground-Power-Cable-Installation3.pdf

Date added: February 10, 2012 - Views: 40

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CVD SILICON CARBIDE™ - Dow Chemical Corporate Website - The ...

CVD SILICON CARBIDE — Engineered to Perform Controlled resistivity grades of CVD SILICON CARBIDE excel in high temperature (>1500°C), wear and chemical

http://www.dow.com/assets/attachments/business/gt/advanced_ceramics/cvd_silicon_carbide/tds/cvd_silicon_carbide.pdf

Date added: February 16, 2012 - Views: 19

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Influence of Chemical Composition on the Electrical ...

Electrical resistivity based on chemical composition ... on the resistivity calculation because the percentage of potassium oxide in the fly ash was quite low and

http://www.maxwellsci.com/print/rjaset/v5-2284-2288.pdf

Date added: June 15, 2013 - Views: 3

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The Fundamental Conductivity and Resistivity of Water

equation form suitable for calculation of compensated resistivity. ... 11. A. A. Noyes, The Electrical Conductivity of Aqueous Solutions, Carnegie Institu-

http://www.snowpure.com/docs/fundamental-conductivity-and-resistivity-of-water.pdf

Date added: January 28, 2012 - Views: 13

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1. Soil Resistivity Testing - Ver Pangonilo - Filipino ...

2.1 APPARENT RESISTIVITY CALCULATION ... Soil resistivity can vary significantly both with depth, ... electrical centre of the earthing systems being tested.

http://s.pangonilo.com/index.php?sdmon=files/Earthing_Fundamentals.pdf

Date added: May 8, 2014 - Views: 1

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Resistance and Resistivity - Leitfähigkeitsmessgeräte und ...

Analytech have been designed to ensure easy RCF calculation and thus resistivity is measured in a simple test procedure. ... Electrical Energy Electrical Energy

http://www.nh-instruments.de/download/Mitsubishi_englisch.pdf

Date added: July 10, 2013 - Views: 2

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Electric Resistivity Method - JSTOR

Jan. 1952 GEOPHYSICS - ELECTRIC RESISTIVITY 29 of existing well-log and hydrographie data, provide knowledge upon which proper well spacing may be based.

http://www.jstor.org/stable/41236486

Date added: November 22, 2014 - Views: 1

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NATIONAL ELECTRICAL ENGINEERING CONSULTANCY - NEEC

electrical resistivity of soil can affect the rate of galvanic corrosion of metallic structures in contact with the soil. ... calculation. Applying two layers ...

http://www.neecgroup.com/resources/two%20layers%20soil%20resistivity%20determination%20and%20its%20implication%20on%20the%20earthing%20design.pdf

Date added: November 13, 2012 - Views: 2

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Lattice electrical resistivity of magnetic bcc iron from ...

Lattice electrical resistivity of magnetic bcc iron from first-principles calculations ... The first-principles calculation of the electrical resistivity

http://www.homepages.ucl.ac.uk/~ucfbdxa/pubblicazioni/PhysRevB.85.024102.pdf

Date added: June 25, 2013 - Views: 1

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GROUND MEASURING TECHNIQUES: ELECTRODE RESISTANCE TO REMOTE ...

GROUND MEASURING TECHNIQUES: ELECTRODE RESISTANCE TO REMOTE EARTH & SOIL RESISTIVITY Elvis R. Sverko ERICO, Inc. Facility Electrical Protection, U.S.A.

http://www.electro-specialties.com/technical/downloads/Grounding%20Measurements.pdf

Date added: December 21, 2011 - Views: 23

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PIPELINE - Resistivity Surveys - BAC Corrosion Control Ltd

Method Statement - Resistivity Surveys Page 3 of 6 1 INTRODUCTION This Method Statement covers describes the general technique of carrying out a soil resistivity

http://www.bacgroup.com/Global/BAC/Method%20Statements/Test%20and%20Inspections/PIPELINE%20-%20Resistivity%20Surveys.pdf

Date added: June 1, 2012 - Views: 4

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Types of Models of Service Life of Reinforcement: The Case of ...

Types of Models of Service Life of Reinforcement: The ... electrical resistivity for the calculation of reinforcement service life” 5th Canmet/ACI Int.

http://www.issres.net/journal/index.php/crl/article/viewFile/101/48

Date added: March 5, 2014 - Views: 1

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2005 03 Calculation of Underground Cable Ampacity

Calculation of Underground Cable Ampacity ... particular the use of thermal-electrical analogies with ... The external to the cable thermal resistivity is commonly

http://eeweb.poly.edu/faculty/fdeleon/publications/PDFs/Calculation.pdf

Date added: February 1, 2012 - Views: 14

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Low Temperature Resistivity - SCCS - Swarthmore College ...

Low Temperature Resistivity Lisa M. Larrimore The temperature dependence of electrical resistivity was measured for three ma-terials: a conductor (copper), a ...

http://www.sccs.swarthmore.edu/~lisal/physics/labs/lowtemp.pdf

Date added: January 28, 2012 - Views: 3

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Apparent Water Resistivity, Porosity, and Water Temperature ...

data to determine rock porosity and apparent electrical resistivity of formation water; ... preferred for Rwa calculation because they have a

http://pubs.usgs.gov/pp/1273d/report.pdf

Date added: July 18, 2012 - Views: 7

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Conversion and calculation-20100909 - JVL

Calculation of the cross section A, entering the diameter d: ... ρ = rho, electrical resistivity (also known as specific electrical resistance or volume

http://www.jvl.dk/files/_2011clean/pdf/conversion%20and%20calculation-20100909.pdf

Date added: October 22, 2012 - Views: 4

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Practical Volume Resistivity Measurements

Practical Volume Resistivity ... guarded-ring testing of volume resistivity of solid, homogeneous electrical insulating ... formula for calculation of

http://www.esdproducts.biz/Instrumentation/ApplicationNotes/apne-0002.pdf

Date added: July 5, 2012 - Views: 10

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The Fundamental Conductivity and Resistivity of Water

The Fundamental Conductivity and Resistivity of Water By Truman S. Light, Stuart Licht, Anthony C. Bevilacqua, and Kenneth R. Morash Mettler-Toledo Thornton, Inc.

http://us.mt.com/us/en/home/supportive_content/know_how/Paper-THOR-Fundamentals-Cond-Res-08-2004/jcr:content/download/file/file.res/Fundamental_Conductivity_and_Resistivity_of_Water_Oct09.pdf

Date added: December 29, 2012 - Views: 1

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Measurement of Electrical Resistivity Without Contacts Using ...

Measurement of Electrical Resistivity Without Contacts Using ... For ease of calculation, ... Resistivity of gold plotted versus temperature. The full circles are

http://www.qdusa.com/sitedocs/appNotes/ppms/1084-306.pdf

Date added: March 2, 2015 - Views: 1

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The influence of temperature on the electrical resistivity of ...

RESEARCH Open Access The influence of temperature on the electrical resistivity of the cellular polypropylene and the effect of activation energy

http://www.springerplus.com/content/pdf/2193-1801-2-472.pdf

Date added: January 4, 2014 - Views: 1

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Common to all Cable Types - Engineering

CHAPTER 2 Basic Electrical Theory Applicable to Cable Design In all engineering undertakings, economical, technical and practical aspects are taken

http://files.engineering.com/download.aspx?folder=e47cf471-a54a-40a2-905e-34b94c4ed784&file=40750_02.pdf

Date added: September 20, 2012 - Views: 30

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Calculation of losses - EIHP - EIHP | Energetski institut ...

Calculation of losses in electric power cables as the base for cable temperature analysis I. Sarajcev1, M. Majstrovic2 & I. Medic1 1Faculty of Electrical Engineering ...

http://www.eihp.hr/~mmajstro/Calculation_of_losses.pdf

Date added: November 11, 2011 - Views: 23

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ELECTRICAL RESISTIVITY AND CONTACT RESISTANCE OF ELECTRICALLY ...

ELECTRICAL RESISTIVITY AND CONTACT RESISTANCE OF ELECTRICALLY ... A field calculation is done under-stand the situation. Electrical field of a model contact

http://www.cired.net/publications/cired2011/part1/papers/CIRED2011_0341_final.pdf

Date added: December 12, 2013 - Views: 2

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Electrical resistivity and metal-nonmetal transition in n ...

Electrical resistivity and metal-nonmetal transition in n-type doped 4H-SiC ... this critical value, no calculation of the electrical resistivity was presented.

http://liu.diva-portal.org/smash/get/diva2:270934/FULLTEXT01

Date added: December 30, 2012 - Views: 2

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DETERMINATION OF EARTH RESISTIVITY PROFILE IN MULTILAYER SOIL ...

DETERMINATION OF EARTH RESISTIVITY PROFILE IN MULTILAYER SOIL I.T.Dharmadasa, Prof.J.R.Lucas, Dr.L. Udawatta, Eng.W.D.A.S Wijayapala Department of Electrical ...

http://www.elect.mrt.ac.lk/EarthResistivityProfile.pdf

Date added: October 14, 2012 - Views: 2

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Apparent Negative Electrical Resistance in Carbon Fiber ...

ducting in its temperature dependence of the electrical resistivity and exhibits the usual positive resistance [4]. ... for resistivity calculation (A)

http://wings.buffalo.edu/academic/department/eng/mae/cmrl/Apparent%20negative%20electrical%20resistance%20in%20carbon%20fiber%20composites.pdf

Date added: November 22, 2011 - Views: 8