Academic literature on the topic 'Resistivity cross-section'

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Journal articles on the topic "Resistivity cross-section"

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SANTOSO, BUDY, BAMBANG WIJATMOKO, EDDY SUPRIYANA, and ASEP HARJA. "PENENTUAN RESISTIVITAS BATUBARA MENGGUNAKAN METODE ELECTRICAL RESISTIVITY TOMOGRAPHY DAN VERTICAL ELECTRICAL SOUNDING." Jurnal Material dan Energi Indonesia 6, no. 01 (2016): 8. http://dx.doi.org/10.24198/jmei.v6i01.9371.

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Pemanfaatan batubara sebagai salah satu sumber energi alternatif semakin meningkat, diantaranya untuk kebutuhan energi sektor industri dan pembangkit tenaga listrik. Peningkatan tersebut telah mendorong penelitian mengenai keberadaan batubara dan sumberdayanya. Metode Geofisika yang digunakan untuk mengetahui keberadaan batubara, diantaranya : Metode Electrical Resistivity Tomography dan Vertical Electrical Sounding. Parameter fisika untuk menentukan indikasi batubara dengan metode tersebut yaitu resistivitas. Untuk menghindari ambiguitas ketika menginterpretasikan lapisan batubara pada suatu
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., Sunaryo. "Sea Water Intrusion Monitoring on the Sendangbiru of the Southern Malang Coastal Area based on Geoelectrical Resistivity Data." Disaster Advances 14, no. 9 (2021): 43–48. http://dx.doi.org/10.25303/149da4348.

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The study was conducted with the objective to distinguish the presence of seawater intrusion layer or salt-water aquifer distribution along the data acquisition line at the locations. Data acquisition was conducted by using the Wenner-Schumberger configuration of geoelectrical resistivity. From this research, 4 lines and 4 points of vertical electrical sounding (VES) data for every line were obtained with the distance between electrode a as 10m. Based on the data processing, obtained depth up to 120m with the smallest resistivity value is 0.02Ωm and the largest is 6764.52Ωm. To make the distri
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Abdullahi, N.K, H.O Aboh, and A.A Masanawa. "GEO-ELECTRIC ASSESSMENT OF GROUNDWATER POTENTIALS IN COMPLEX BASEMENT TERRAIN: CASE STUDY OF COLLEGE OF ARTS AND SOCIAL SCIENCES, KADUNA POLYTECHNIC BYE-PASS CAMPUS, NORTHWESTERN NIGERIA." Continental J. Earth Sciences 6, no. 1 (2011): 1–7. https://doi.org/10.5281/zenodo.833399.

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A geo-electrical investigation to explore best sites for groundwater was carried out at College of arts and social sciences, Kaduna Polytechnic Bye-pass campus, Kaduna State, Nigeria. Nine Schlumberger Vertical Electrical Sounding (VES) points were established and the resistivity interpretation revealed maximum of four geologic layers. Fields data were interpreted using both curve matching techniques and computer based iteration using the IPWIN (Version 3.0.1) programme. The results of the investigations are presented as resistivity sections and subsurface contour sections from the interpretat
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Bieker, Dirk, and Steffen Rust. "Electric resistivity tomography shows radial variation of electrolytes in Quercus robur." Canadian Journal of Forest Research 40, no. 6 (2010): 1189–93. http://dx.doi.org/10.1139/x10-076.

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Electric resistivity tomograms of English oak ( Quercus robur L.) show a very distinct pattern of electric resistivity that has not been found in any other tree species yet and that cannot be related to the distribution of wood moisture content over the stem cross section. To reveal the factors underlying this two-dimensional pattern of electric resistivity, the variation of specific gravity and wood moisture content was analyzed in 18 cross sections of six roadside English oak trees after electric resistivity tomography. pH and electrolyte content were analyzed in two representative cross sec
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Khoirunida, Anisatu Ainun, Juan Pandu Gya Nur Rochman, and Ayi Syaeful Bahri. "Identification of Subsurface for Grounding Installation System Using Geoelectrical Method: Case Study of Waru Substation, Sidoarjo, East Java." BIO Web of Conferences 157 (2025): 05013. https://doi.org/10.1051/bioconf/202515705013.

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In the substation planning process, a study of subsurface conditions is needed for a good grounding system. Therefore, information on soil resistivity values is needed that can be used as a reference for related parties to carry out development, which is to determine the grounding locations. This research is to identify the recommended and optimal grounding depth point in the case study of Waru Substation, Sidoarjo, East Java. A good soil for grounding installation is to have a resistivity of less than 1 Ohm. In this research, 2D geoelectric method is used to determine the subsurface resistivi
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Shi, Shu Ang, Wei Dong, Shi Hai Sun, Yi Tan, Guo Bin Li, and Fu Min Xu. "Resistivity Distribution Characteristics of Metallurgical Silicon Ingot after Directional Solidification." Materials Science Forum 675-677 (February 2011): 109–12. http://dx.doi.org/10.4028/www.scientific.net/msf.675-677.109.

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The distribution of resistivity, impurity and polarity in multicrystalline silicon ingot prepared by directional solidification method was detected. The effect of impurity distribution on resistivity was also researched. The results show that the shapes of equivalence line of resistivity in the cross section and vertical section of the silicon ingot depend on the solid-liquid interface. The resistivity in the vertical section increases with the increasing of solidified height at the beginning of solidification and reaches to maximum at the polarity transition point, then decreases rapidly with
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Lu, Zonghuan, David M. Frey, Thomas Merkh, Robert Lord, Morris A. Washington, and Toh-Ming Lu. "Resistivity of epitaxial copper nanolines with trapezoidal cross-section." Thin Solid Films 599 (January 2016): 187–93. http://dx.doi.org/10.1016/j.tsf.2015.12.063.

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Dr., N. Venkatesh. "GEOLOGICAL CROSS SECTION OF UPPER TUNGA PROJECT (RESISTIVITY METHOD) AT GAJANUR, SHIMOGA DISTRICT, KARNATAKA." International Journal of Computational Research and Development 2, no. 1 (2017): 7–11. https://doi.org/10.5281/zenodo.232931.

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The Present field investigation through resistivity sounding measurements were made 55 locations distributed approximately in 3 meters intervals pattern at the upper Tunga project, the resistivity sounding curves were first interpreted by the curve matching technique (Bhattacharya ad patra 1968). We have used four electrodes at equal distance along a straight line and electric current is passed between the outer two electrodes and is precisely measured by a millimeter, the potential difference between the inner two electrodes is measured using null point type of circuit from the data obtained
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Fazriati, Evi, Asep Purnama, Gian Agistian Algifari, et al. "Cross-Section Resistivity Detection of Tree (Swietenia Magahoni and Gmelina) Using ERT Method." Jurnal Penelitian Pendidikan IPA 8, no. 1 (2022): 39–44. http://dx.doi.org/10.29303/jppipa.v8i1.965.

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The existence of trees is very beneficial for humans’ life. There are utilizations of tree such as urban planning and reforestation. However, the tree can be dangerous when the tree is aged and decay because of several factors that might be cause fallen tree. Furthermore, the monitoring activity is needed to know the condition of the tree. One of the methods that can be used to detect hollow in living tree is Electrical Resistivity Tomography (ERT). The ERT is an efficient and nondestructive method that can be potential to estimate resistivity cross section. The measurement of ERT conducted on
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Noor, Rudy Hendrawan, and Ishaq Ishaq. "PENENTUAN LOKASI TITIK BOR AIR TANAH BERDASARKAN METODE TAHANAN JENIS 2D DI DESA SUBUR MAKMUR KABUPATEN KOTABARU, KALIMANTAN SELATAN." AL ULUM JURNAL SAINS DAN TEKNOLOGI 6, no. 2 (2021): 56. http://dx.doi.org/10.31602/ajst.v6i2.4845.

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Subur Makmur Village is an area where the availability of clean water is difficult, especially during the dry season. One of the sources of water that can be used by the villagers is groundwater. However, to obtain groundwater, it is necessary to drill wells and investigate the aquifer layer first. This study aims to obtain an overview of the subsurface layers based on the resistivity properties of the rock, so that the aquifer layer can be identified and can determine the exact location of the drill point in the prospective aquifer position that may be encountered. The geoelectric method is t
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Book chapters on the topic "Resistivity cross-section"

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Schwarz, G., V. Rath, and D. Krüger. "Cross-section of electrical resistivity structure along the central Andean transect." In Global Geoscience Transects. American Geophysical Union, 1991. http://dx.doi.org/10.1029/gt006p0024.

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Conference papers on the topic "Resistivity cross-section"

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Carpio, J. J., G. Hernández-Duque, L. Martínez, and T. Pérez-López. "A Case Study of Severe Corrosion of a 3 Km Length Bridge over Seawater." In CORROSION 1994. NACE International, 1994. https://doi.org/10.5006/c1994-94288.

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Abstract Severe corrosion and mechanical damage are studied in the largest Mexican bridge over seawater. The bridge has been in service since 1982 in marine tropical environments of the Gulf of Mexico. The bridge is supported by sets of long piles, about 20m length and a cross section of 45cm x 45cm, which were hammered down into sea soil. The concrete of the piles exhibits cracks up to 4m length above sea level. Half cell potential and electrical resistivity measurements indicated that large portions of the piles are in favorable conditions for high corrosion activity of rebar. Chloride penet
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Presuel-Moreno, Francisco J., and Fujian Tang. "Corrosion Propagation of Rebar Embedded in Low w/c Binary Concrete Blends Exposed to Seawater." In CORROSION 2018. NACE International, 2018. https://doi.org/10.5006/c2018-11167.

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Abstract Corrosion of steel reinforcement is one of the main causes of premature deterioration in reinforced concrete (RC) structures. It causes concrete cover cracking, degrades the steel/concrete bond strength, reduces the cross section of steel bars, and consequently reduces the carrying capacity of RC structures. In general, steel corrosion in concrete structures can be divided into two stages: corrosion initiation and corrosion propagation. In this study, the effect of high performance concrete on the corrosion behavior of steel bar in RC specimens are experimentally investigated, particu
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Hyodo, Daisuke, Tada-nori Goto, Hitoshi Mikada, and Junichi Takekawa. "Pseudo resistivity cross section imaging using VLF-EM data." In Proceedings of the 11th SEGJ International Symposium, Yokohama, Japan, 18-21 November 2013. Society of Exploration Geophysicists, 2013. http://dx.doi.org/10.1190/segj112013-020.

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Gaffar, Eddy Z. "The subsurface cross section resistivity using magnetotelluric method in Pelabuhan Ratu area, West Java, implication for geological hazard mitigation." In 2ND PADJADJARAN INTERNATIONAL PHYSICS SYMPOSIUM 2015 (PIPS-2015): Materials Functionalization and Energy Conservations. AIP Publishing LLC, 2016. http://dx.doi.org/10.1063/1.4941868.

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Lin, Jiaman, Yingzi Kang, Xinxing Xie, Qu Zhang, Shanmiao Yang, and Wen-Bin Shangguan. "A Method for Calculation Flow Resistivity of Kapok Fiber Felt." In WCX SAE World Congress Experience. SAE International, 2025. https://doi.org/10.4271/2025-01-8246.

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<div class="section abstract"><div class="htmlview paragraph">The flow resistivity is a critical parameter for evaluating the acoustic performance of the porous materials. Accurate determination of flow resistivity is essential for predicting the characteristic impedance and propagation constants of materials. In this paper, a method is proposed to calculate the flow resistivity of kapok fiber felt, aiming to accurately assess the flow resistivity of kapok fiber felt. Based on the dual-porosity equivalent model of kapok fiber felt, it is hypothesized that the flow resistivity is di
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Liu, Ruiying, Qiang Li, Ting Li, et al. "Fluid Characterization with LWD Resistivity and Capture Cross Section Enhances Understanding of Horizontal Well Production – A Case Study in a Siliciclastic Brownfield." In Offshore Technology Conference. Offshore Technology Conference, 2016. http://dx.doi.org/10.4043/26872-ms.

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Mirza, Dler, Kristofer Birkeland, Lars Øy, Roland Chemali, and Benjamin Barrouillet. "Core Scanner for Electrical Profiling of Full-Bore Cores at the Well Site With Advanced Pulse Electromagnetic Technology." In 2024 SPWLA 65th Annual Symposium. Society of Petrophysicists and Well Log Analysts, 2024. https://doi.org/10.30632/spwla-2024-0098.

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When freshly cut full-bore cores come up to the rig floor, petrophysicists are eager to know whether or not they have hit their objective. Should they continue to core ahead? Or should they stop coring and proceed with the drilling operation toward their next objective? Where are they on the structure when correlating to other wells in the field? We present a new core scanner instrument that can answer these important questions while the core is on the rig floor. The new scanner measures the resistivity and the dielectric permittivity of the cross section of the core. The output is a finely re
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Bustos, U. D., D. Quiroga, O. Tapia, and C. Mosquera. "Field Development Opportunities Unveiled in Low Resistivity Reservoirs, Sub-Andean Oil & Gas Reservoirs." In ADIPEC. SPE, 2023. http://dx.doi.org/10.2118/216757-ms.

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Abstract Driven by strong initiatives of leveraging hydrocarbon production in Bolivia and reducing imports, YPFB-Andina started assessing development opportunities in Devonian, Cretaceous and Tertiary rocks. From a textural point of view, these are fine grained sandstones with variable contents of quartz, feldspars, low clay content and porosities in the 15% range. Conventional induction logs response exhibits low resistivity (below 10 ohm.m), meanwhile advanced triaxial induction confirms that electrical properties are mostly isotropic. Consequently, despite hydrocarbons being shown while dri
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Yoshida, Kenji, Masaya Miyabe, Tadayoshi Matsumoto, and Isao Kataoka. "Gas-Core Turbulence Structure of Annular Flow Passing Through a Throat Section Affected by the Wavy Interface on Liquid Film Flow." In ASME 2005 Fluids Engineering Division Summer Meeting. ASMEDC, 2005. http://dx.doi.org/10.1115/fedsm2005-77404.

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Experimental studies were made on the gas-core turbulence structure in vertical upward annular two-phase flow passing through a round tube with a throat section. The gas-core turbulence is affected and modified by the dynamic interaction between gas-core flow and liquid film flow through the wavy interface. The test channel has a throat section, which consist of nozzle, throat and diffuser part, where the cross sectional area of the channel is changed along the flow direction. In the throat section, the flow is in transient state because the flow is accelerated or decelerated along the flow di
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Alshuwaikhat, Ali, Ilies Mostefai, and Mamdouh Al-Nasser. "Assessing Different Formation Evaluation Methods to Distinguish Low Resistivity Pay in Carbonate Reservoirs." In International Petroleum Technology Conference. IPTC, 2024. http://dx.doi.org/10.2523/iptc-23211-ea.

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Abstract Low resistivity pay is one of the main challenges that exist in carbonate reservoirs with complex pore structure. When hydrocarbon charging occurs, it displaces water in larger pores with lower entry pressure, leading to a complex fluid distribution. As resistivity logging is based on how easily electrical current tends to flow through formation, a rock made up of micro pores filled with water will exhibit a misleading low resistivity reading that can highly influence fluid saturation and formation evaluation when using simple logging tools such as resistivity. The objective of this p
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