بحث بسيط
السجلات المعروضة 51 -- 60 من 75
أثر الإرشاد باستخدام الألعاب التربوية في تنمية مفهوم الذات لدى تلاميذ رياض الأطفال
(
Qatar University
, 2005 , Article)
يهدف البحث إلى:
1. بناء برنامج إرشادي باستخدام الألعاب التربوية لتنمية مفهوم الذات لدى تلاميذ رياض الأطفال
2. قياس أثر هذا البرنامج في تنمية مفهوم الذات لدى تلاميذ رياض الأطفال.
اقتصر البحث على تلاميذ رياض الأطفال في ...
Some Macrobenthic Invertebrates in the Qatari Waters, Arabian Gulf
(
Qatar University
, 2005 , Article)
Macro-invertebrates from eleven stations along the Qatar Exclosive Economic Zone (EEZ), Arabian Gulf, were studied during December 1998. A total of 52 species were encountered from all stations. Crustaceans were the most ...
Flavonoids From Cressa Cretica
(
Qatar University
, 2005 , Article)
The aerial parts of Cressa cretica L. yielded five flavonoids that were identified as quercetin (1), quercetin-3-B-O-D-glucoside (2), kaempferol-3-O-B-D-glucoside (3), kaempferol-3-O-a-L-rhamno-(1—+6)- B-D-glucoside (a) ...
Generation of Sets of Sequences lsomorphic to Walsh Sequences
(
Qatar University
, 2005 , Article)
Walsh sequences of the order 2k, k positive integer, form an additive group generated by Rademacher sequences set of ft-order. Except the zero sequence, Walsh sequences form an orthogonal set. Our present work allows us ...
Investigation of Magnesium (II), Calcium (II) and Barium (II) Complexes in Aqueous Solution
(
Qatar University
, 2005 , Article)
The ionic association constants, K6, of Mg, Ca and Ba metal ions with succinate, malate and tartrate ligands were conduct metrically determined in water at 25-40°C. The conductometric data were analysed by the Shedlovsky ...
The Flora of The State of Qatar: Its History and Present-Day Status
(
Qatar University
, 2005 , Article)
The history of botanical exploration in the State of Qatar is of recent origin. Various collections culminated in 2 major Floras for the State of Qatar in 1981 and 1983. Since then, further collections and focus on several ...
p-cds/n-Si Anisotype Heterojunction solar cells wih Efficiency of 6.4%
(
Qatar University
, 2005 , Article)
In the present paper, p-CdS/n-Si heterojunction solar cells are prepared for the first time by the spray pyrolysis technique. Using such low-cost method, cells with 6.4'/o AM1 conversion efficiency ina O.ZZ fill factor ...
The Optical and Electrical Properties of Low Density Polyethylene Films in CuSo4 Solution
(
Qatar University
, 2005 , Article)
The optical and electrical properties of pure and treated low density polyethylene (LDpE) were investigated. These measurements have been carried out at various times of immersion for LDPE films in 10% solution of CuSO+. ...
Evaluation of Electron Swarm Parameters in SF6 Using Monte Carlo Method
(
Qatar University
, 2005 , Article)
The motion of electrons in sulfur hexafluoride (SFo) in uniform electric fields is simulated using a Monte Carlo method. The swarm parameters are evaluated and compared with experimental results of drift velocity, electron ...
Corrosion of n-GaAs/aqueous Photoelectrochemical Cell
(
Qatar University
, 2005 , Article)
A combination of electrochemical studies, scanning electron microscopy, SEM, and light reflectivity measurements reveals information about the corrosion of enlightened n-GaAs in various aqueous electrolytes. The corrosion ...