نتایج جستجو برای: inversion curve

تعداد نتایج: 171853  

F. Ashrafzadeh, M. Faraji

Oculo-auriculovertebral dysplasia (Goldenhar) is a congenital syndrome. Its phenotype differs from craniofacial anomalies to cardiac, vertebral or central nervous system defects. This syndrome is rare and its etiology is not apparent yet. Pericentric inversion of chromosome 9 is one of the most common structural balanced chromosomal aberrations with its incidences 15% to 25%. Herein we present ...

Journal: :int. journal of mining & geo-engineering 2015
moslem moradi omid asghari gholamhossein norouzi mohammad riahi reza sokooti

here in, an application of a new seismic inversion algorithm in one of iran’s oilfields is described. stochastic (geostatistical) seismic inversion, as a complementary method to deterministic inversion, is perceived as contribution combination of geostatistics and seismic inversion algorithm. this method integrates information from different data sources with different scales, as prior informat...

Journal: :acta medica iranica 0
safdarian l aleyassin a forootan m kamalian n ahmadzadeh a

a rare case of non-puerperal uterine inversion caused by a large fundal leiomyoma in a 39-year nulliparous, infertile woman resulting in intractable hemorrhage was reported after a myomectomy. attempts to reduce the inversion vaginally by transecting the anterior and posterior cervix were unsuccessful and a laparotomy was performed. the inversion was not successfully corrected and hysterectomy ...

حسینی, سید ابراهیم, ظهیری, زینب, کبیریان دهکردی, بهنام,

In this paper, we report a new structure for bipolar junction transistors based on concept of surface inversion. This structure is made up of only one PN junction and a metal with appropriate work function connected to the p region which results in an inversion of electrons in the semiconductor near the metal-semiconductor interface, this inversion layer plays the role of emitter n+ region. Sim...

Journal: :Inverse Problems 2023

Abstract We consider the inverse geometrical problem of identifying discontinuity curve an electrical conductivity from boundary measurements. This standard is used as a model to introduce and study combined inversion algorithm coupling gradient descent on Kohn-Vogelius cost functional with domain decomposition method that includes unknown in partitioning. prove local convergence simplified case...

Journal: :نشریه مهندسی عمران و نقشه برداری 0
مهدی هزینه دانشگاه تهران محمد مختاری پژوهشگاه زلزله

the direct way to access the petrophysical property of hydrocarbon reservoir is based on well data but due to its high cost, the seismic data has been used to obtain these parameters. for this purpose, many different methods are available and each has its own advantages and limitations. from these methods the seismic inversion is the best tool to study the reservoir characterization. the outcom...

2005
Haiping HAO Guangji WANG Jianguo SUN Zuoqi DING Xiaolan WU Michael ROBERTS

flammation drugs (NSAIDs) and it is clinically the first choice among its own class, 2-arylpropionic acids, due to its low incidence of unwanted effects. It contains a chiral center adjacent to the carboxyl group and thus existed as ( ) R and ( ) S enantiomers. Ibuprofen was originally marketed as racemate and later in 1994 dexibuprofen was brought into the market in Austria and Switzerland bas...

ژورنال: فیزیک زمین و فضا 2017

A constrained nonlinear optimization method based on nonlinear programming techniques has been applied to map geometry of bedrock of sedimentary basins by inversion of gravity anomaly data. In the inversion, the applying model is a 2-D model that is composed of a set of juxtaposed prisms whose lower depths have been considered as unknown model parameters. The applied inversion method is a nonli...

Reservoir characterization has a leading role in the reservoir geophysics and reservoir management. Since the interests of the reservoir geophysics and reservoir managements are the elastic properties and reservoir properties of the subsurface rock for their purposes, a robust method is required for converting seismic data into elastic properties. Accordingly, by employing a rock physics model ...

Journal: :Journal of ultrasound in medicine : official journal of the American Institute of Ultrasound in Medicine 2010
Léonard Veyer Henri Marret Aurore Bleuzen Emmanuel Simon Gilles Body François Tranquart

OBJECTIVE The purpose of this study was to assess the feasibility of using a contrast agent for the sonographic examination of adnexal tumors and identify discriminating parameters in the preoperative diagnosis of malignant tumors. METHODS We conducted a prospective descriptive monocenter study that analyzed validated echographic criteria and parameters of the enhancement curve obtained by so...

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