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السجلات المعروضة 81 -- 90 من 345
Volatile Components of the Phaeophyceae Hormophysa cuneiformis Growing Along Qatar Coasts
(
Qatar University
, 2007 , Article)
The present work deals with the study on volatile compounds from the brown alga Hormophysa cuneiformis collected from the Northwest coast of Qatar on May 2002. Two extraction methods have been used: conventional hydrodistillation ...
A methodology for time-frequency image processing applied to the classification of nonstationary multichannel signals using instantaneous frequency descriptors with application to newborn EEG signals
(
Springer
, 2003 , Article)
This article presents a general methodology for processing non-stationary signals for the purpose of classification and localization. The methodology combines methods adapted from three complementary areas: time-frequency ...
The Impact of Diabetes on Pregnancy in Qatar
(
Hamad bin Khalifa University Press (HBKU Press)
, 2009 , Article)
Objectives: To investigate maternal and neonatal outcomes of pregnancies in women with different types of diabetes in Qatar. To identify factors such as age, family history of diabetes and obesity contributing to the ...
Complications of Diabetes Mellitus Among Patients Attending Outpatient Clinics in Qatar
(
Hamad bin Khalifa University Press (HBKU Press)
, 2003 , Article)
The objective of this study was to explore the prevailing complications of diabetes mellitus and to explore some of the associated factors among Qatari patients previously diagnosed as having diabetes mellitus. A random ...
Evaluation of the Universal Screening Strategy in Qatar for the Management of Pregnant Women Carrying Group B Streptococci
(
Hamad bin Khalifa University Press (HBKU Press)
, 2008 , Article)
Group B Streptococcus infection (GBS) has emerged as a serious disease, infecting 18,000 people in the United States annually including life-threatening illness in about 8,000 newly-born infants. To evaluate the efficiency ...
تبيان المفاهيم كما حدث بها الرسول صلى الله عليه وسلم
(
جامعة قطر
, 2009 , Article)
تناولت المقالة مفاهيم الرسول (صى الله عليه وسلم) حول شتى ميادين الحياة
Mitochondrial phylogeography illuminates the origin of the extinct caspian tiger and its relationship to the amur tiger
(
Public Library of Science
, 2009 , Article)
The Caspian tiger (Panthera tigris virgata) flourished in Central Asian riverine forest systems in a range disjunct from that of other tigers, but was driven to extinction in 1970 prior to a modern molecular evaluation. ...
Identification of individual types of harmonic loads in an electric power system bus
(
Elsevier
, 2004 , Article)
Some buses in a power system feed power to loads that are sources of harmonics. This type of bus is called a complex bus. This paper provides a new application of the constrained least absolute value algorithm (LAV) to ...
Fuzzy linear parameter estimation algorithms: A new formulation
(
Elsevier
, 2002 , Article)
In this paper, we present a new formulation of a fuzzy linear estimation problem as one of the linear programming where the objective is to minimize the spread of the data points, subject to constraints on each measurement ...
Positron annihilation and ion beam analysis of ion-bombardment-induced hydrogen release and oxidation of ultra high molecular weight polyethylene
(
Elsevier
, 2007 , Article)
Ultra high molecular weight polyethylene was bombarded with He+ and Ar+ ions to fluences ranging from 1013 to 2×1016 ions/cm2. Rutherford backscattering and nuclear reaction analysis were applied to study mechanism of ...