نتایج جستجو برای: vertical density profile

تعداد نتایج: 702379  

Journal: :فیزیک زمین و فضا 0
فائزه بهرامی دانشجوی کارشناسی ارشد، دانشگاه آزاد اسلامی واحد همدان، ایران وحید ابراهیم زاده اردستانی استاد، گروه فیزیک زمین، موسسه ژئوفیزیک دانشگاه تهران، ایران

the gravity method is one of the first geophysical techniques used in oil and gas exploration. an algorithm is developed for a fast quantitative interpretation of gravity data generated by geometrically simple but also the estimated depths and other model parameters of a buried structure. following abdelrahman et al (1989). the general gravity anomaly expression produced by a sphere, an infinit...

Journal: :Crystals 2023

To improve the surface quality of Ti6Al4V parts formed by selective laser melting (SLM), this paper systematically studies effects power, scanning speed and inclination angle on different morphology roughness parts. On basis, effect remelting multi-layer profile process strategies improving is explored. The upper varies parabolically with increasing line energy density, density value that minim...

MHD boundary layer flow of two phase model nanofluid over a vertical plate is investigated both analytically and numerically. A system of governing nonlinear partial differential equations is converted into a set of nonlinear ordinary differential equations by suitable similarity transformations and then solved analytically using homotopy analysis method and numerically by the fourth order Rung...

2010
Yuji Hatanaka Atsushi Noudo Chisako Muramatsu Akira Sawada Takeshi Hara Tetsuya Yamamoto Hiroshi Fujita

Glaucoma is a leading cause of permanent blindness. Retinal fundus image examination is useful for early detection of glaucoma. In order to evaluate the presence of glaucoma, the ophthalmologists determine the cup and disc areas and they diagnose glaucoma using a vertical cup-to-disc ratio. However, determination of the cup area is very difficult, thus we propose a method to measure the cup-to-...

مرادی , محمود, کاوش تهرانی , مسعود,

  The weighted density functional theory proposed by Tarazona is applied to study the solid-liquid interface. In the last two decades the weighted density functional became a useful tool to consider the properties of inhomogeneous liquids. In this theory, the role of the size of molecules or the particles of which the matter is composed, was found to be important. In this resarch we study a har...

Journal: :Quality and Reliability Eng. Int. 2007
James D. Williams William H. Woodall Jeffrey B. Birch

In many quality control applications, use of a single (or several distinct) quality characteristic(s) is insufficient to characterize the quality of a produced item. In an increasing number of cases, a response curve (profile), is required. Such profiles can frequently be modeled using linear or nonlinear regression models. In recent research others have developed multivariate T 2 control chart...

In the paper we developed a new method to determine the absolute amount of adsorption. This method relies on the excess adsorption isotherm and the density profile in the pore of one material. To compute the density profile and decrease complex calculation of obtaining the absolute amount of adsorption we introduced Simplified Local-Density (SLD) model. A few of appropriate parameters were ...

2003
B. Legras B. Joseph F. Lefèvre

We present a simple stochastic-dynamical approach to estimate the turbulent vertical diffusivity (D) in the lower stratosphere from routinely observed ozone profiles. First, an observed ozone profile is reconstructed using three-dimensional back-trajectories obtained from analyzed winds and initializing the trajectories with ozone values from the output of a chemistry-transport model. Assuming ...

Journal: :journal of minimally invasive surgical sciences 0
fariba almassinokiani minimally invasive surgery research center, rasoul-e-akram hospital, iran university of medical sciences, tehran, ir iran abolfazl mehdizadehkashi minimally invasive surgery research center, rasoul-e-akram hospital, iran university of medical sciences, tehran, ir iran jila amirkhani department of gynecology, islamic azad university, tehran medical branch, tehran, ir iran; department of gynecology, islamic azad university, tehran medical branch, tehran, ir iran. tel: +98-2166509283, fax: +98-2166509283 peyman akbari department of basic science, tehran university of medical sciences, tehran, ir iran kobra tahermanesh minimally invasive surgery research center, rasoul-e-akram hospital, iran university of medical sciences, tehran, ir iran fahimeh soheilipour minimally invasive surgery research center, rasoul-e-akram hospital, iran university of medical sciences, tehran, ir iran

conclusions some other small studies have proved that statins were effective in regression of endometriosis implants and we have also proved that the levels of serum lipid profile was higher in patients suffering from endometriosis, perhaps higher levels of lipid profile has a significant etiologic role in pathogenesis of endometriosis. results we had 25 patients in endometriosis group and 50 i...

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