Abdallah Chanane, Ali Sidick Bahar, Midirgue Vounsouma Mbassa

كلية التكنولوجيا-جامعة سعد دحلب - البليدة · الجزائر

Ce mémoire traite le problème de la répartition économique des puissances dans les réseaux de transport d'énergie électrique. L’apport principal de ce mémoire est l’amélioration de fonctionnement des réseaux électriques modernes, qui a pour l’objectif de résoudre le problème de l’écoulement de puissance optimal mono-objectif en optimisant deux fonctions objectifs, à savoir : la fonction de coût du combustible et les pertes de puissance active. Lors qu’on parle d’optimiser la fonction, c’est-à-dire revient à minimiser cette fonction. Alors pour minimiser les coûts du combustible ou les pertes de puissance dans le réseau il faut donc planifier les puissances actives et réactives de chaque centrale

Arpi Darakjian, سمير ديب

الجامعة الأمريكية في بيروت · لبنان

جمال الراوي, عبدالحسين الهادي, عطا عبدالحسين موسى

كلية الطب-جامعة النهرين · العراق

Abubakr Suliman, Rasha Mohamed Naser Abou Samra

الجامعة البريطانية في دبي · الامارات

The aim of this research is to find a generalized model of prediction and control of the project performance using the knowledge creation and considering the impact of project complexity on project performance. This research attempts to find knowledge creation constructs that measure the styles of knowledge creation within an Arab context. The research investigates four styles of knowledge creation in the field of project management, namely innovative style, experiential style, risk averse style, and specialized style. This is a mixed-method study of the knowledge creation styles of project managers and is applied to 402 projects from different Arab countries. The study systematically reviews the literature in the area of complexity, knowledge creation and project performance, and generates a conceptual model for a qualitative study followed by a quantitative hypothesized model for a quantitative study. This study quantifies the effect of each knowledge creation style at the level of the success of the project performance. This impact is measured in the light of these styles of knowledge creation as moderators of the impact of level of project complexity on the level of project success. The research conclusion is the significance of the mediation of risk averse knowledge creation and the significant moderation impact on the relationship between project complexity and the project performance. Also the research is providing new constructs for measuring the knowledge creation styles and in triangulating the results through quantitative study. Moreover, the research adopts an inductive approach to explain and predict the levels of success of project performance and concludes that there two levels of analysis; one is the level of the relationship between the main constructs of the study, and in this regard the RAKCS is the mediator and the IKCS is the moderator between the project complexity and the project performance. There is another level of analysis among the sub-constructs of the study. It concludes a sequence of relationships between KCSs and significant moderation impacts of these KCSs on the relationship between sub-constructs of complexity and sub-constructs of project performance.

جباري نعيمة, ميداقين هشام

كلية الاداب واللغات-جامعة محمد بوضياف - المسيلة · الجزائر

الملخص :يتمخص مضمون الد ا رسة من أنَّ استثمار أو توظيف المها ا رت المغوية من نحووصرف وبلاغة في الوضعية الإدماجية هو التعبير الصحيح والسميم في كتابة النصوصوكيفية تنمية التعبير الكتابي في العممية التعميمية, فمنهج المقاربة بالكفاءات يعتمد عمىمنطمق التعمم الذي يركز عمى المتعمم وكيفية توظيفه لمخمفيات الفكرية .أما في الفصل التطبيقي كانت الاستعانة بتعابير تلاميذ السنة الأولى ثانوي بشعبتي الآدابوالعموم حيث وصمت الد ا رسة إلى نتائج :- أنَّ المها ا رت المغوية لم تنمي التعبير الكتابي في هذا المستوى وهذا ما يدل عمى وجودقصور في العممية التعممية فمثلا قمة الحجم الساعي ونقص في تقويم الوضعية الإدماجيةوقمة الثروة المغوية لدى التلاميذ

على حبايب, ميرا محمد رمضان زيد

كلية الدراسات العليا-جامعة النجاح الوطنية · فلسطين

This study aimed at exploring the main reason behind the decline of the average reading. It aimed at determineg the role of the teachers and supervisors in Nablus schools. consedering these variables such as gender. Qualifications. And experience for appointed teachers about the decline of the total avarage of the student's reading in primery age. to achieve this aims. The researcher used a 52 item questionnaire which was distributed among the sample of the study. The sample which consider (472) teacher's male and female who were randomly chosen. Thr study was acomplishing during the first semester. The quantitative data was collected by conducting interviews with 9 supervisors for Arabic language in Nablus school.The findings show that...1.Results indicate a low degree of reading at primary schools was high.and this is because a problematic for appointed students with the percentage of (3.68). with appointed for the content of study with the percentage (3.12) and the reasons of the methods of evaluation of the percentage itself. And was a low for reasons related to the ways of teaching with a percentage (2.93).2.There are no differences related to percentage between the reasons for the decline of reading at the primary schools from teacher point of view in Nablus region for two reasons either the methods of evaluation or students ' performance. But there are differences related to percentage according to the reasons of the contents of the study. Methods of teaching. The total level for the decline of teachers to preserve male students.3.There are differences related to percentage between the reasons for the decline of reading from teacher's point of view in nablus region according to qualifications variable. There are reasons related to student's percentage but the difference of the reasons related to content of the study. Methods of teaching. Evaluation. And the total avarage of reading to preserve ma students and more.4.There are no differences related to percentage (α=0.05) according to the decline of reading at the primary schools from teacher point of view in nablus region according to the experience of variable.5.According to the interview. It indicates that the decline of students reading from the observations at the class to students ' performance. And the oral tests. So the treatment will be according to the personal differences which occurs when the teacher divided the classroom into harmony groups. To improve them and using an interesting method in teaching to create good students can be understanding what they read.To shed the light into the results the researcher recommened some recommendation such as to see the parnents of the students regullarly at school th he; p their kids hou they can acquire the primery skills in reading, to hold the oral reading test, and make a good writing test in arabic langauge course to measure their ability in speaking, performance, and ro identify their weakness.

Hammache Oum El Kheir, Benamrani Ammar

كلية العلوم والتكنولوجيا-جامعة محمد البشير الإبراهيمي - برج بوعريريج · الجزائر

رائد ابو حرب, ريم يونس حسن, عبير قدار

كلية الطب البشري-جامعة دمشق · سوريا

سهام خطير, كاميليا مزياني, نوال بن سعدي

كلية العلوم والتكنولوجيا-جامعة أحمد بن يحيى الونشريسي - تيسمسيلت · الجزائر

Thuya of Berberie "Tetraclinis articulata"is a species of plant that belongs to the Cupressaceae family, widely used in traditional medicine in several .Polyphenols form a large class of chemicals found in plants constitute the basis of the active principles, giving it properties for various .The aim of this work is the phytochemical study of the extracts of Tetraclinis from the Lardjam region, wilaya of Tissemsilt.In this context, crude extracts were obtained by maceration with solvents polarity (Methanol and Ethanol, as well as an aqueous extract. The yields of extraction are respectively (32.057%, 11.128% and 16.13%).The quantitative analysis of the extracts for the determination of the total phenolic content that the ethanolic extract contained a slightly higher rate (0.0075mgEAG/g) in comparison with the methanol extract (0.00734mg EAG/g) and aqueous extract (0.00718mgEAG/g), () Le Thuya de Berbère « Tetraclinis articulata» c'est une espèce de plante qui appartient à la famille des cupressinées, utilisée largement dans la médecine traditionnelle de plusieurs pays méditerranéens.Les polyphénols forment une grande classe de produits chimiques trouvés dans les plantes ouilles constituent la base des principes actifs, lui conférant des propriétés dans divers activités biologiques.Le but de ce travail est l'étude phytochimique des extraits de Tétralines articulation la région de Lard jam, wilaya de Tissemsilt.Dans ce contexte, des extraits bruts ont été obtenus par macération avec des solvants de polarité différente (Méthanol et Ethanol, ainsi qu’un extrait aqueux. Les sont respectivement (32,057%, 11,128% et 16,13 %,).L'analyse quantitative des extraits pour la détermination de la teneur phénolique totale a démontré que l'extrait éthanolique contenait un taux légèrement plus élevé (0,0075mgEAG/g) en comparaison avec l'extrait métallique (0,00734mg EAG/g) et aqueux (0,00718mgEAG/g

العوفي موتشي . س, نسرين حسيني

كلية العلوم البيولوجية-جامعة العلوم والتكنولوجيا هواري بومدين - الجزائر · الجزائر