نتایج جستجو برای: resistivity data

تعداد نتایج: 2419862  

Journal: :Journal of physics 2022

Abstract Previous studies in Gondang Subdistricthave identified underground mud reservoirnear a rock intrusion, while another study near Subdistrict has deep fault structures. This will identify the distribution and characteristics of possible geological features area using magnetotelluric (MT) method to further describe relationship between related local geology. MT data measurements were cond...

Journal: :IEEE Transactions on Geoscience and Remote Sensing 2023

The direct-current (DC) resistivity method is a commonly used geophysical technique for surveying adverse geological conditions. Inversion can reconstruct the model from data, which an important step in survey. However, inverse problem serious ill-posed that makes it easy to obtain incorrect inversion results. Deep learning (DL) provides new avenues solving problems, and has been widely studied...

2015
S. A. Obukhov S. W. Tozer W. A. Coniglio

We report magnetotransport investigation of nonmagnetic InSb single crystal doped with manganese at Mn concentration NMn ~ 1,5 × 10(17) cm(-3) in the temperature range T = 300 K-40 mK, magnetic field B = 0-25T and hydrostatic pressure P = 0-17 kbar. Resistivity saturation was observed in the absence of magnetic field at temperatures below 200 mK while applied increasing external magnetic field ...

2015
N Booth A P L Robinson P Hakel R J Clarke R J Dance D Doria L A Gizzi G Gregori P Koester L Labate T Levato B Li M Makita R C Mancini J Pasley P P Rajeev D Riley E Wagenaars J N Waugh N C Woolsey

Since the observation of the first brown dwarf in 1995, numerous studies have led to a better understanding of the structures of these objects. Here we present a method for studying material resistivity in warm dense plasmas in the laboratory, which we relate to the microphysics of brown dwarfs through viscosity and electron collisions. Here we use X-ray polarimetry to determine the resistivity...

This work presents the application of a geostatistical-based modeling approach for building up electrical properties acquired from a geophysical electrical tomography survey deployed for the purpose of porphyry Cu exploration at the Takht-e-Gonbad deposit, in the central domain of Iran. Electrical data were inverted in 2D along several profiles across the main favorable zones of Cu-bearing mine...

ژورنال: فیزیک زمین و فضا 2020

Thermal conductivity measurements have been used for the Way Ratai geothermal prospect area. The thermal conductivity method is used to evaluate the ability of a rock to deliver heat by conduction. In the area, many surface manifestations are scattered in various regions, where hot springs dominate these various manifestations. The thermal conductivity mapping of rocks is carried out around geo...

2006
Y. Öner Joseph H. Ross

Electrical resistivity measurements have been carried out for both flash-evaporated reentrant spin glasses RSGs Ni76−xPdx Mn24 and Ni74.5Mn23.5Pd2, as well as Ni75Mn23Pd2, a pure SG. These measurements were carried out at temperatures down to 4 K. We observed a very deep resistivity minimum at about 75 K for Ni74Mn24Pd2. It was found previously Öner et al., J. Appl. Phys. 89, 7044 2001 that thi...

1999
D. Lederman T. J. Moran Ivan K. Schuller

We have prepared Gd,-IPrXBa,Cu,O,-, phase spread alloy thin films with well-defined variations in the concentration of Pr across a single substrate. Their Pr concentrations were independently determined from electrical resistivity and Auger electron spectroscopy measurements. The results from both methods are in good agreement with each other. Using this technique several high-temperature super...

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