نتایج جستجو برای: d resistivity models

تعداد نتایج: 1454627  

2013
Adeel Ansari Abas B Md Said Seema Ansari Muhammad Rauf

In this paper, simulations are performed to reaffirm the relationship between the resistivity and the thickness of the Hydrocarbon reservoir by considering double layers of Hydrocarbon in seabed logging application. In order to establish this correlation, various simulation models are carried out using Computer Simulation Technology (CST) tool and the results obtained from each simulation is pl...

Journal: :International Astronomical Union Colloquium 2000

دادمهر , وحید , صائب, فاطمه , فلاحتی , سمیه ,

 We fabricated YBa2Cu3-xMxO7- d (M=Ni, Fe) bulk samples, with stochiometric amount 0≤x≤0.045 by sol-gel method. The phase analysis and microstructure of specimens were examined by XRD and SEM. The electrical resistivity was measured using standard four probe technique for 77-300K. Investigation of XRD spectrum by MAUD shows Ni and Fe ions substitute in Cu(2) and Cu(1) site, respectively. Transi...

2010
A. POMMIER P. TARITS S. HAUTOT M. PICHAVANT B. SCAILLET F. GAILLARD

A model of the electrical resistivity of Mt. Vesuvius has been elaborated to investigate the present structure of the volcanic edifice. The model is based on electrical conductivity measurements in the laboratory, on geophysical information, in particular, magnetotelluric (MT) data, and on petrological and geochemical constraints. Both 1-D and 3-D simulations explored the effect of depth, volum...

Electrical resistivity (ER) is a main parameter in the melting processes of glasses. However, its measurement is difficult at high temperatures. In this study the electrical resistivity of different cordierite glass samples in the molten state was measured in the temperature range of 1100˚C to 1550 ˚C using the two-wire method. It was attempted to decrease the electrical resistivity of the glas...

1997
Pravin K. Gupta Sri Niwas Vinod K. Gaur

A straightforward inversion scheme (SIS) has been developed to interpret vertical electrical sounding data. This scheme does not require quasi-linearization of the inverse resistivity problem and thereby dispenses with the iterative process and the necessity of guessing the number of layers and their resistivities and thicknesses. The entire solution domain is divided into uniform thickness lay...

2004
S. H. Jeong J. H. Boo

Transparent conductive aluminum-doped ZnO (AZO) films were prepared by RF magnetron sputtering on glass substrates with specifically designed ZnO target using high-purity of zinc oxide (99.99%) and aluminum hydroxide (99.99%) powders. Systematic study on dependence of target-to-substrate distance (D ) on structural, electrical and optical properties of the as-grown AZO ts films was mainly inves...

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