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Now showing items 51-60 of 10474
Some Histological And Histochemical Aspects Of Egg-Implantation In The Rat
(
Qatar University
, 1987 , Article)
The rat embrayo and uterine epithelium were studied during implantation at 129h p.c., 138h p.c. and 153h p.c., stages. The basophilic bodies found in the iiinpr cell mass and in the uterine epithelium represent dead cells ...
Condition and trend of a depression-type habitat In rainfed desert rangelands of Qatar In response to fertilizer application
(
Qatar University
, 1994 , Article)
Characteristics of a rainfed depression-type habitat in desert ranges, and its response to fertilizer application were studied. A single fertilizer application at a rate of 75 Kg ha1 prior to the rainy season improved range ...
On The Formation of Intermediate & Deep Water Masses in The Eastern Mediterranean
(
Qatar University
, 2000 , Article)
In the eastern Mediterranean, three main water masses are classified: Modified Atlantic Water of Atlantic origin, Levantine Intermediate Water (LIW), formed in winter during storm events and Eastern Mediterranean Deep Water ...
قضايا هامة بعيداً عن الحصار وأهواله
(
جريدة الشرق
, 2018 , Article)
هذا الأسبوع هو أسبوع قطر في المحافل الدولية بامتياز ، محكمة العدل الدولية ، منظمة الطيران المدني العالمية (إيكاو)، البرلمان الأوروبي في بروكسل، وزير الخارجية نائب رئيس مجلس الوزراء الشيخ محمد عبد الرحمن آل ثاني لقاء دافئ ...
Theory and Computations for Systems Modeled By First Order Differential Equations
(
Qatar University
, 2000 , Article)
A numerical scheme using Sine functions is developed to approximate the solution of a 2 x 2 system of first order differential equations. The error in the approximate solution is shown to converge exponentially.
Sedimentological development of the upper pliocene- pleistocene sediments in the areas of el salamony and el sawamha sharq, North East Sohag , Egypt.
(
Qatar University
, 1995 , Article)
The Upper Pliocene- pleistocene Nile sediments cropping out in the areas around El Salamony and El Sawamha Sharq constitute two terraces including five facies ; flood plain , talus and lacustrine facies in the upper terrace ...
Conductance Measurements in Corrosion Studies of Aluminium
(
Qatar University
, 1994 , Article)
A new method is suggested for studying the rates of dissolution of oxide film on aluminium and its alloys. The method is based on measuring the conductance between two aluminium (or its alloys) electrodes immersed in 3.0 ...
Ecological Studies On The Bottom Fauna Of Lake Manala, Egypt
(
Qatar University
, 1990 , Article)
An ecological survey has been conducted for the benthic Community in Lake Manzala during May and June, 1985. The diversity and distribution of organisms are largely determined by salinity. Mean abundance of benthic fauna ...
Histological observations on the changes in Thyroid activity in the geckonid lizard, bunopus tuberculatus, during tail regeneration
(
Qatar University
, 1994 , Article)
Histological observations on the thyroid activity during differentphases of tail regneration in the geckonid lizard, Bw/jo/ms tuberculatus, have indicated a decreased thyroid activity during wound-healing phase. During ...
Night and Early Morning Flying Insects in a Residence Backyard in Doha City, Qatar
(
Qatar University
, 2006 , Article)
Night and early morning flying insects in Doha were recorded daily, for a complete year, using a light-water trap. Two peaks of insect numbers occurred in April-May and September-October periods respectively. The lowest ...