نتایج جستجو برای: anomaly separation
تعداد نتایج: 161992 فیلتر نتایج به سال:
The expression "odd-even Z isospin anomaly" – introduced by L. B. Yang et al. [1] in 1999 – indicates the experimental evidence that the elemental even-odd effect decreases with increasing neutron-richness of the system. Since 1999, the analysis of experimental production cross-sections of final products of several nuclear reactions at very different energies confirmed the existence of this eff...
OBJECTIVES To report 2 cases of penile duplication and review the literature in an attempt to categorize the associated anomalies in relation to the degree of penile duplication. Embryologic considerations of this rare anomaly are also reviewed. METHODS We report 2 distinct cases of diphallia. In the first case, true complete penile duplication was associated with multiple malformations, incl...
INTRODUCTION The fusion of permanent teeth is a development anomaly of dental hard tissue. It may require a hard multidisciplinary approach with orthodontics, endodontics, surgery and prosthetics to solve aesthetic and functional problems. CASE PRESENTATION A 20-year-old Caucasian man presented to our Department to solve a dental anomaly of his upper central incisors. An oral investigation re...
One of the anomalies of the capital market is accrual anomaly. This anomaly refers to the negative relationship between returns and accruals. In the case of accrual anomaly, two behavioral and rational expectations have been raised. The main purpose of this study is to explain accrual anomaly using a new approach to distinguish an anomaly interpretation of risk interpretation. For this purpos...
Detection of deep and hidden mineralization using the surface geochemical data is a challenging subject in the mineral exploration. In this work, a novel scenario based on the spectrum–area fractal analysis (SAFA) and the principal component analysis (PCA) has been applied to distinguish and delineate the blind and deep Mo anomaly in the Dalli Cu–Au porphyry mineralization area. The Dalli miner...
We developed a simple quantitative framework based on crustal thickness estimations along the Carnegie, Cocos and Malpelo ridges, to place first-order constraints on the tectonic evolution of the Galapagos Volcanic Province and on the along-axis intensity of the Galapagos melt anomaly during the last 20 m.y. Our results suggest that the Cocos^ Nazca spreading centre has migrated northwards at 2...
congenital malformation (cm) will begin to emerge as one of the major childhood health problems .treatment and rehabilitation of children with congenital malformations are costly and complete recovery is usually impossible. the aim of this study was to determine frequency of cm in yazd central city of the islamic republic of iran to find out if there has been any difference in the rate and type...
attempts have been made to study the thermodynamic behavior of 1,3 butadiene purification columns with the aim of retrofitting those columns to more energy efficient separation schemes. 1,3 butadiene is purified in two columns in series through being separated from methyl acetylene and 1,2 butadiene in the first and second column respectively. comparisons have been made among different therm...
this field study was conducted on 60 women who working in related centers of universities of medical sciences in tehran. data gathering tool was maternal separation anxiety questionnaire that designated by hock & et al. (1982). findings revealed that majority of the research units (71.7%), have high degree of maternal separation anxiety. mean degree of maternal separation anxiety was (21.22±3....
â a model is developed for separation of multicomponent gas mixtures in a countercurrent hollow fiber membrane module. while the modelâs solution in countercurrent module usually involves in a time consuming iterative procedure, a proper initial guess is proposed for beginning the calculation and a simple procedure is introduced for correcting the guesses, hereby the cpu time is decreased ess...
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