Induced Polarization
Apparent resistivity and spectral induced polarization in the submarine environment
... Relatively few investigations have employed electrical methods in the submarine environment, which may be promising for mineral deposits or threatened by environmental problems. We have measured the electric field using ...
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ANALYSIS OF COMPLEX APPARENT RESISTIVITY DATA CONJUGATING SPECTRAL INDUCED POLARIZATION AND ELECTROMAGNETIC COUPLING
... spectral induced polarization (SIP) data (Millett, 1967) but it helps to improve the analysis of the variation of electrical parameters in controlled source electromagnetic (CSEM) data (Wynn & Zonge, ...
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QUARTZ PROSPECTING WITH INDUCED POLARIZATION (IP) AND RESISTIVITY BY USING GRADIENT AND DIPOLE-DIPOLE ARRAYS
... Induced polarization (IP) is an electrical phenomenon caused by ground current ...surement, induced polarization refers to a resistive blocking ac- tion or electrical polarization in ...
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Application of Frequency and Time Domain Induced Polarization – Resistivity Effects for Exploring Aquifer and Hydrocarbon Reservoirs in Bahia, Brazil
... ABSTRACT. Two field surveys using the induced polarization (IP) – resistivity method, are presented as an effective tool to evaluate aquifer and hydrocarbon reservoirs at shallow depths. First, the ...
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Mycobacterium tuberculosis-Induced Polarization of Human Macrophage Orchestrates the Formation and Development of Tuberculous Granulomas In Vitro.
... Next, we examined the bactericidal effect of granulomatous cell populations on M. tubercu- losis. IFN-γ+LPS-pretreatment effectively improved the bactericidal function of granulomatous cells on M. tuberculosis, while ...
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Monitoring the initiation and kinetics of human dendritic cell-induced polarization of autologous naive CD4+ T cells.
... DC induced the lineage- specifying transcription factor T-bet (gene name TBX21) and IFN-c mRNA levels already after 24 hours and were peaking on day 3 (30 ...
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GEOELECTRIC PROSPECTION OF COPPER OCCURRENCE IN FOLDING LAYERS IN THE SUL-RIOGRANDENSE SHIELD (BRAZIL)
... and induced polarization (IP) are highly effective due to the contrast of electrical resistivity and chargeability, in disseminated sulfides or filonean deposits which are characterized by low resistivity ...
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Geoelectrical prospection of disseminated sulfide mineral occurrences in Camaquã Sedimentary Basin, Rio Grande do Sul State, Brazil
... This paper presents the results of the electrical resistivity and induced polarization geophysical methods in azimuthal arrangement, applied in a mineral occurrence of disseminated coppe[r] ...
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GEOELECTRIC MODELING OF SUPERGENIC MANGANESE OCURRENCE IN HELIODORA REGION, SOUTHERN MINAS GERAIS
... and induced polarization methods into a mineral occurrence of manganese of supergenic origin, characterized by oxides of manganese and iron with terrain to powdery texture, arising from weathering of ...
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Rev. Bras. Geof. vol.22 número2
... and induced polarization methods with the principal ob- jective of characterizing the aquifers within the sediments of the Itarar´e Subgroup in the Tietˆe region, ...
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J. Microw. Optoelectron. Electromagn. Appl. vol.16 número2
... Abstract — In this paper, we use a novel convoluted geometry to design a dual-band FSS with angular stability and independent polarization operation. The geometry allows the design of a dual- band FSS to block ISM ...
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Application of Geometric Polarization to Invariance Properties in Bistatic Scattering
... tion basis transformations at the receiving and the transmit- ting antenna, respectively. Since the group U (2) has four parameters (Murnaghan, 1962), and each of the unitary ma- trices can be chosen independently, it is ...
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Rev. bras. farmacogn. vol.22 número1
... carrageenan- induced pleurisy test; sub-Fr 10-28 reduced the pain reaction time in the second phase of formalin-induced pain, as well as the ear edema and vascular ...
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J. Microw. Optoelectron. Electromagn. Appl. vol.12 número2
... Abstract — Nonlinear effects has been appointed as the main limitation in coherent optical fiber transmission. Digital Back- Propagation algorithms and Maximum Likelihood Sequence Estimation are two of the current ...
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Slope stability monitoring from microseismic field using polarization methodology
... proposed polarization methodology for monitoring of slope stability makes use of three-component recording of the microseismic field on a slope in order to pick the signals of slope processes by filtering and ...
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Braz. J. Phys. vol.32 número2A
... distribution of sites we observed spin dephasing leading to a strong spin polarization deay.. I Introdutions[r] ...
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Contribution of an extrinsic mechanism for the electrical polarization in BiMn2O5 ceramics
... of polarization can be envisaged with the application of an electric field: The dipole tries to get aligned with the field direction and the hopping of the nearest neighbor oxygen to the vacancy position in ...
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Model of polarization selectivity of the intermediate filament optical channels
... to polarization, if they had some dichroic absorbance at the molecular ...robust polarization sensitivity ...their polarization sensitivity ...to polarization, at least in some vertebrate ...
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Ice particle habit and surface roughness derived from PARASOL polarization measurements
... There are still considerable uncertainties in the characteri- zation of the radiation balance of the earth, with the prob- lem of clouds in the earth’s atmosphere near the forefront (Forster et al., 2007). Even though ...
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Corrosão de digestores contínuos: influência dos processos de cozimento e análise das tecnologias protetoras
... Figura 3.19: o princípio da proteção anódica é ilustrado pelo diagrama polarization scan acima, típico para aço carbono em licor Kraft de digestor contínuo (Savcor, 2004).. [r] ...
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