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السجلات المعروضة 91 -- 100 من 113
A Note On Pre-J-Group Rings
(
Qatar University
, 1991 , Article)
Given an associative ring R satisfying a°'b = Ba" for any pair a and b of its elements, is being a positive integer, and a group G satisfying x""' = y"~1, we give a sufficient and necessary condition on the group ring GR ...
S — Compactness Via Ideals
(
Qatar University
, 1991 , Article)
Compactness modulo as an ideal has not been widely studied. Many new sorts of weak compactness have been introduced to topological spaces in the last twenty years but have not been studied using ideals. So, the main aim ...
Effect Of Lead Nitrate On The Liver Of The Developing Chick Embryos
(
Qatar University
, 1991 , Article)
The liver of chick embryos treated with 0.03, 0.05 and 0.1 mg lead nitrate/egg showed disorganization of hepatic cords, abnormally enlarged blood sinusoids and extensive cell necrosis. The hepatocytes of lead-treated embryos ...
معجم أسماء العرب : إضاءة ونقد (1)
(
Qatar University
, 1991 , Article)
Analytical Studies Of Some Controlled And Noncontrolled Drugs Of Abuse
(
Qatar University
, 1991 , Article)
Separation and identification of some depressants and stimulants by GLC, combined GC-MS and HPLC techniques was attempted. The results obtained are successful, valuable and may be applied in routine forensic analysis.
An Analysis Of The Ranges Of Globigerinina (Foraminiferida) Genera And Their Bearing On The Cretaceous-Tertiary Boundary
(
Qatar University
, 1991 , Article)
An analysis of the Globigerinina genera from the Middle Jurussic to Holocene, using the method of Cutbill & Funnell, indicates that a major break of the Globigerinina genera occurred at the Maastrichtian-Paleocene boundary ...
Evaluation Of Hydraulic Parameters For Dara Area (Gulf Of Suez), Egypt
(
Qatar University
, 1991 , Article)
This work aims to furnish a basis for evaluating the water resources in Dara Area which is one of the vergin areas assigned for the purpose of land reclamation. Analysis of pumping and recovery tests performed in the study ...
Effect Of The Apical Ectodermal Ridge On Mitotic Index In Hind Limb Bud Mesenchyme In Bufo Regularis
(
Qatar University
, 1991 , Article)
The apical ectodermal ridge (AER) was formed at stage 51 of Bufo regularis, it persisted at stage 52 (limb bud acquiring paddle-shaped outline), then it disappeared by stage 53 (first indication of fourth and fifth toes). ...
أثر برنامج متكامل بين القواعد الوظيفية والقراءة على الأداء اللغوي لتلميذات الصفوف الثلاثة الأخيرة من المرحلة الابتدائية بدولة قطر
(
Qatar University
, 1991 , Article)
التدريب على الكمبيوتر وأثره في تغيير اتجاهات الطالبات نحو الكمبيوتر
(
Qatar University
, 1991 , Article)
تهدف هذه الدراسة التجريبية الى معرفة وتحديد أثر تدريس مقرر الحاسب الآلي في التعليم على تغيير اتجاهات عينة من طالبات كلية التربية نحو تطبيقات الكمبيوتر في التعليم .
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