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Cleavability of Decomposition Spaces
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Qatar University
, 2006 , Article)
Assume that X and Y have the same homotopy type, if X (respectively Y) is cleavable over p, have proved that the decomposition space of Y/g (respectively X/f) is cleavable over p. A result ncerning Arhangel'skii - Teroni's ...
Night and Early Morning Flying Insects in a Residence Backyard in Doha City, Qatar
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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 ...
Congenital Anomalies in Down Syndrome Among Qatari Population
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Qatar University
, 2006 , Article)
Down Syndrome (DS) is the major cause of mental retardation and congenital heart disease affecting the welfare of over 300,000 individuals and their families in USA. The aim of the study is to see which are the most common ...
Concentration of Some Heavy Metals in Short Cores in the Nearshore Sediments of Alexandria , Egypt
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Qatar University
, 2006 , Article)
The Western Harbor, Eastern Harbor and Abu Qir Bay are three sites located along the Alexandria coast. These sites are characterized by extensive maritime and industrial activities. To investigate the penetration of heavy ...
On Stability in Multiobjective Integer Linear Programming: A Stochastic Approach
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Qatar University
, 2006 , Article)
In this paper we consider a multiobjective integer linear stochastic programming problem individual chance constraints. We assume that there is randomness in the right-hand sides of the constraints only and that the random ...
Gamma Irradiation of 4th Instar Larva of Angoumois Grain Moth and Effects on Parent and Their Generations
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Qatar University
, 2006 , Article)
Late fourth stage larvae of Angomous grain moth, Sitotroga cerealella (Olivier) were gamma irradiated with doses 0 ( control), 25, 50 75, 100, 125 and 150 Gy. The moths originated from larvae irradiated with 150 Gy became ...
The Role of Improper Use of Artificial Insemination on Infertility and Abortion in Cows in Basrah Province, Iraq: Microbiological Study
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Qatar University
, 2006 , Article)
A prospective study was performed to demonstrate the infectious causes and their mode of transmission in cases of infertility and abortion in cows. There were 434 artificially inseminated cows, of which 155 (35.7%) did not ...
Comparative Study of 11 Honey Samples Sold in Riyadh Saudi Arabia
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Qatar University
, 2006 , Article)
11 honey various samples commercially available in Saudi Arabia, were subjected to chemical, toxicological and bacteriological tests. The samples were checked for As and CN, presence of pollens, and for bacteria contamination. ...
The Possible Effects of Some Mineral Nutrients and Industrial Chemical Effuents on Wild Plants in Central Sudan
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Qatar University
, 2006 , Article)
The effects of some mineral nutrients and industrial chemical effluents from a textile factory and tanning activities on the growth and distribution of Typha angustata, Cyperus laevigatus. Paspalum viginatum, Cassia senna ...
Changes in Soluble Sugars and Proline in Seedlings of A local Wheat Cultivar (Doha) Due to the Salt Stress and Temperature
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Qatar University
, 2006 , Article)
Germination of grains, and changes in the soluble sugars and proline due to salt stress under three temperatures in the germinating grains, of the local wheat cultivar (Doha) were studied. This cultivar proved resistant ...