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محاضرات في مقياس النقد العربي المعاصر
(جامعة أمحمد بوقرة بومرداس : كلية الأداب و اللغات : قسم اللغة العربية, 2026) زرابيب, أسيا
Plant macrolecules of industrial and biotechnological interest : this handout is intended for students enrolled in academic master's (M1)
(Université M'hamed Bougara de Boumerdès : Faculty of sciences : Department of Biology, 2026) Laoufi, Razika
Insights into Rheological Behavior of Starch Grafted Polyacrylamide Under Higher Salinity Reservoir Conditions
(Taylor Francis, 2026) Zemoul, Farid; Hadhoum, Nadia; Ghemmit, Naima; Doulache, Mohamed Khodja; Aliouche, Djamel
In this work, a suitable biomaterial polymer was successfully prepared by microwave graft copolymerization of starch-acrylamide system. Under optimal conditions, highest percent grafting was attained with microwave initiated grafting procedure. The synthesized grafted starches were characterized by various physicochemical techniques which confirmed the successful grafting of polyacrylamide chains onto the starch backbone and the effective thermal stability of the grafted samples. Subsequently, rheological analysis was performed as a main objective to study the steady and dynamic shear flow of the grafted copolymers under a range of reservoir conditions. Tests of shear stress and viscosity vs. shear rate of copolymer solutions showed that the starch-g-polyacrylamide samples are pseudoplastic fluids with yield stress. By increasing temperature, a thermothickening effect is observed and the flow gradually becomes shear-thickening, especially for the flow in deionized water. At the nominal injection rates, the viscosity loss of copolymers is lower and more consistent with respect of temperature and high saline solutions. In oscillatory deformation tests behavior of viscoelastic fluid (with a predominantly weak gel character) was observed for all samples across the entire temperature range and for both concentrations of the copolymer solutions. Accordingly, the starch-g-polyacrylamide injection is more effective under higher salinity reservoir conditions
الموثق كشريك في تطهير الملكية العقارية بالجزائر
(جامعة أمحمد بوقرة بومرداس, 2023) حاج عاشور، رانية عبير; قرنان، فضيلة
يعتبر الموثق بصفته ضابطا عموميا احد اهم الاعوان القائمين على توثيق العقود والسندات المثبتة للملكية في ظل نظام الشهر العيني، وشريكا يعول عليه للدفع بعملية تطهير الملكية العقارية سواء في العقارات الخاضعة لاجراء مسح الاراضي او تلك التي لم يصلها هذا الاجراء بعد، وهو ما تهدف هذه الدراسة الى تبيانه من خلال التطرق الى حجم الصلاحيات التطهيرية المخولة للموثق ومدى اعتباره شريكا للخروج بحل لأزمة غموض السندات المثبتة للملكية العقارية بالجزائر. As a Public Officer, the notary is one of the most important agents for the documentation of contracts and bonds proven for ownership. and a reliable partner for the purging of real estate property in either the real estate subject to the cadastral procedure or those not yet reached by this procedure; This study aims to demonstrate by addressing the amount of purging powers conferred on the notary and the extent to which he is considered a partner to come up with a solution to the uncertainty of the proven bonds of real estate ownership in Algeria .
تأثير استخدام الراحة الايجابية والراحة السلبية على تحسين الاسترجاع وفق التدريب التبادلي القصير لدى لاعبي كرة القدم أكابر
(جامعة الجلفة الجزائر, 2023) شرايطية, عبد الحليم; ميسيوري, رزقي
هدفت هذه الدراسة إلى معرفة الفرق بين استخدام الراحة الايجابية والراحة السلبية في تحسين الاسترجاع لدى لاعبي كرة القدم أكابر وفق التدريب التبادلي القصير، حيث تم اختيار عينة قصدية متكونة من 16لاعب، ولهذا الغرض استخدمنا المنهج التجريبي بتصميم المجموعتين، و كأدوات للدراسة استعملنا اختبارات قبلية وبعدية، ومن أهم نتائج المحصل عليها تبن أنه توجد فروق ذات دلالة إحصائية بين استخدام الراحة الايجابية والراحة السلبية في تحسين الاسترجاع وفق التدريب التبادلي القصير ولصالح مجموعة الراحة الايجابية. Abstract: This study aimed to find out the difference between the use of active rest and passive rest in improving the recovery of senior football players according to the short intermittent training, Where an intentional sample of 16 players was selected, For this purpose we used the experimental method by designing two groups, As tools for the study, we used pre-and post-tests, Among the most important results obtained, it was found that there are statistically significant differences between the use of active rest and passive rest in improving retrieval according to the short intermittent training and in favor of the active rest group.