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On multistage ranked set sampling for distribution and median estimation
(
Elsevier B.V.
, 2007 , Article)
A variation of ranked set sampling (RSS), multistage RSS (MSRSS), is investigated for the estimation of the distribution function and some of its quantiles, in particular the median. It is shown that this method is ...
A rich learning lesson using the Poisson distribution
(
Elsevier B.V.
, 2007 , Article)
In this note, we explore the rich information about inference that the Poisson distribution has. The source of this information is mainly the fact that the mean and variance of this distribution are equal.
Alternative method of diffraction-enhanced imaging
(
Elsevier B.V.
, 2007 , Article)
Diffraction-enhanced imaging (DEI) is a radiographic technique that derives contrast from an object's X-ray absorption, refraction gradient and small-angle scatter properties (extinction). The DEI imaging system prepares ...
Homotopy perturbation method for nonlinear partial differential equations of fractional order
(
Elsevier B.V.
, 2007 , Article)
The aim of this Letter is to present an efficient and reliable treatment of the homotopy perturbation method (HPM) for nonlinear partial differential equations with fractional time derivative. The fractional derivative is ...
Kinetics and Mechanistic Studies of the Bromination of Some Substituted Tetralones, Part 1
(
Qatar University
, 2000 , Article)
The rate of bromination of 2-benzal-l-tetralone (II) and its derivatives p-methyl (12), 77-chloro (13), ffi-chloro (14), and p-nitro (15) have been studied in chloroform. The study indicated first order dependence on each ...
The effect of two substituents on different organoselenides and tellurides to form new charge-transfer complexes
(
Qatar University
, 2004 , Article)
Different organotellurides and selenides were prepared as electron donors and reacted with p-Benzoquinone (p-BQ) and m-Dinitrobenzene (m-DNB) as electron acceptors .
The resulted molecules were considered as new ...
طبقات النقاد و تصنيفهم
(
جامعة قطر
, 2009 , Article)
يعرض البحث لمسألة مهمة من مسائل الجرح والتعديل ، ألا وهي مسألة اختلاف مناهج المجرحين و المعدلين في معايير التوثيق والتجريح
The Search for the Ancestor in Toni Morrison's Beloved and Song of Solomon
(
Qatar University
, 2003 , Article)
The paper explores the search for the ancestor in Morrison's two novels: Beloved and Song of Solomon through the analysis of fam ilia! ties between Sethe and her daughter Beloved in Beloved and between Macon. Milkman and ...
الأسس الجمالية في الأحكام النقدية للجاحظ : قضية القديم و الحديث أنموذجا
(
Qatar University
, 2002 , Article)
يحتل أبو عثمان الجاحظ مكانة متميزة في ساحة النقد العري القديم، بل إنه يعد علامة بارزة في هذا الحقل، إذ يشكل النهج الذي سلكه في محاورة النصوص الإبداعية بعامة، والنصوص الشعرية بخاصة، فيصلا بين مرحلتين كبيرتين من مراحل المسار ...
المرأة في شعر أبي تمام
(
Qatar University
, 2000 , Article)
يتناول هذا البحث المرأة في حياة أب تمام وفنه ومن خلال دراسة ديوان الشاعر تبين لنا أن المرأة تحتل مكانا بارزا فيه وأنها تظهر بصور متعددة
فهناك الحبيبة التي تعذله على كثرة سفرة وتعرضه للمهالك والحديث عنها هو في الغالب ...