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Jul 30, 2014Open Access
Unicystic ameloblastoma is a clinical
subtype of ameloblastoma. According to Ackermann there are three types of
unicystic ameloblastoma microscopically. Luminal unicystic ameloblastoma belongs
to the Ackermann type-1 unicystic ameloblastoma. They frequently affect young
people and may behave aggressively. A general agreement has been made for
aggressive type of unicystic ameloblastomas are managed aggressively to
eradicate the lesions completely by radic ...
Jul 30, 2014Open Access
We study the stability of the ion-acoustic (IA) wave in a collisional plasma composed of hydrogen, positively and negatively charged oxygen ions, electrons and neutral atoms. This composition approximates very well the plasma environment around a comet. A solution of the dispersion relation yields a frequency for the IA wave at around the hydrogen plasma frequency. The growth/ damping rate is sensitively dependent on the ring parameters u⊥s (the ring speed) an...
Jul 29, 2014Open Access
In this paper electronic feed forward
equalization is performed to mitigate the link chromatic dispersion. The
equalizer coefficients are computed by a decision-directed process based on the
sign-sign least mean square and the recursive least square algorithm.
Therefore, this paper evaluates the performance of these algorithms in
chromatic dispersion compensation at bit rate of 10 Gb/s. This paper compares
these two adaptation algorithms for receiver based on analogue elec ...
Jul 29, 2014Open Access
Remote sensing (RS) is the method making
possible of observing, recording and collecting of objects or features on the
Earth from distant places. There is no direct contact with the investigated
objects. It is reflecting radiation scattering from the Earth surface content
information in the form of wavelengths in different range of spectrum. Main
source of the information comes from satellites forming as space image. A
further step of the analyses of spa ...
Jul 28, 2014Open Access
Functional status decline in elderly individuals
can compromise home life and lead to social isolation. Therefore, we aimed to
determine the influence of income inequality on the limitation of activities
among elderly people in Brazil. The present study included 18,484 individuals
aged 60 years old or more from data of the Health Supplement of the National
Household Sample Survey (PNAD), conducted in 2008. Random effects ordinal
regression was proposed for multilevel analysis of the Global Activ...
Jul 28, 2014Open Access
Objective: To compare the efficacy of
metformin and laparoscopic ovarian drilling to be used in anovulatory patients
with polycystic ovarian syndrome (PCOS) for ovulation induction and pregnancy
achievement. Materials and Methods: Setting and Design: A prospective clinical
trial conducted in the outpatient department of Gynaecology and Obstetrics of
BIRDEM hospital from August 2008 to August 2013. Patient(s): Three hundred and eight
newly diagnosed patie ...
Jul 28, 2014Open Access
Severe or profound deafness in hearing
impaired children, can curb their ability to speak due to the lack of auditory
feedback. There has been a considerable attempt in developing commercial speech
training aids for such children which give feedback of acoustic and
articulatory parameters. Speech training aids based on visual feedback of vocal
tract shape (VTS) are reported to be useful for the improvement in speech production.
Since realistic VTS estima ...
Jul 25, 2014Open Access
A hydrophilic interaction liquid chromatography (HILIC) method coupled
with a refractive index (RI) detector was developed for the determination of
hydroxypropyl- β-cyclodextrin (HP- β-CD). This HILIC method used simple
acetonitrile/water (80/20, v/v) as the mobile phase to provide sufficient
retention for HP- β-CD. The method was
found to be specific without interference from the other constituents in
pharmaceutics. The method was also validated for linearity and accuracy of t...
Jul 25, 2014Open Access
Lasers are used to modify the surface
morphology, crystallinity, chemical composition, reactivity and resistivity of
polymer surfaces. In this work, several cellulose acetate membranes were
exposed by ArF excimer laser, 193 nm, at 2 - 20 UV pulses, with 100 - 350
mJ/pulse energy, at 1 Hz pulse repetition rate. Characterization techniques
viz. Fourier transform infrared spectroscopy (FTIR), Contact angle
measurement, Scanning electron microscopy (SEM), At ...
Jul 25, 2014Open Access
In this study, two thermal
comfort indices are employed to investigate outdoor human thermal comfort
within three major cities of different climates in Egypt. The indices are: the
Discomfort Index (DI), and the Robaa Index (RI). The three considered cities
are: Alexandria which is located in the north of Egypt, Cairo which is located
in the middle and Aswan city which is located in the south of Egypt. The
estimations of the two indices are based on the mean wind data of th ...
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