يعد الهواء من الضروريات لعيش الانسان وكلما كان الهواء نقياً كلما كانت صحة الانسان جيدة، وفي الآونة الاخيرة اصبح الهواء يتأثر بالملوثات وهنالك عدة متغيرات تؤثر في نقاوة الهواء واصبح الهواء يؤثر على صحة الانسان لما يحمله من ملوثات توثر على جسم الانسان وصحته. ولمعرفة مدى تلوث الهواء في كل مناطق الارض تم بناء مؤشر لمعرف تلوث الهواء بالاعتماد على عدة متغيرات يسمى بمعامل تأثير الهواء. ولبيان اكثر المتغيرات تأ

This research aims to know: 1- The effect of using the Flanders model in expressive performance and the development of divergent thinking among the fifth-grade literary students. To achieve this goal, the researcher made the following hypotheses: - There is no statistically significant difference at the level (05.0) between the average scores of Experimental group students studying the term using the Flanders model and the average scores of disciplined group students who study the same subject in the traditional way in the expressive Performance test. - There is no statistically significant difference at (0.05) level between the average scores of experimental group students in the test of tribal divergent thinking and the same group in t

The past decades have witnessed a development in the concept of corporate governance and the transformation of a concept that is limited to large companies listed in capital markets in major economies to an issue that concerns all business activities in the public and private sectors in both large and small countries. The aim of this research is to propose a guide to the mechanisms and rules of governance in the municipal institutions that contributes to the activation of the internal control system to reduce the fraud and manipulation of this activity. Institutions. The research was based on the hypothesis that the implementation of the principles and rules of governance in municipal institutions lead to the contribution of the activati

ملخـــص البحــــث

    من أهم مسائل الطلاق التي كثر حولها الخلاف: (الحلف بالطلاق وتعليقه بشرط )، لذا عمدت في هذه الصفحات اليسيرة ان اتناول بالبحث والدّراسة مسألة تُعَدُّ من المعضلات، وهي (ما يترتّب على الحلف بالطَّلاق إذا حنث الحالف). وقد فشا وكَثُرَ في الأزمنة المتأخرة الحلف بالطَّلاق في المجتمعات المسلمة، مما دفعني للكتابة فيه ببحث وسميته :

(    أحـكام الحلف با

Summery Abu Nawas poem won a great interest on the part of learners of Arabic literature.Studied in many ways ,trying to explore it’s the meanings ,purpose and psychological part of him. I have found that poem of Abu Nawas was divided into two parts ,one is the opposite of the other. Prostitution and asceticism. I tried to elucidate the factors control of the poem and then factors interestingness then studied patterns of censors .I found from them Calipha , poets and critics who then no one in the amount of influence in poetry by immorality to prosecution and faithful representation of reality ,but the poet can skillfully evade censorship that choking him in various ways such as satire cynism and transcendence it is able to so through the

     يتناول البحث العلاقة بين الأسلوبية والنقد الأدبي والمقارنة بينهما بعد التعريف بهما وبالأدب. ويتناول أيضا موقف النقد الأدبي الحديث من الأسلوبية. ويميز بين نوعين من الأسلوبية: أسلوبية الأدب التي يتناولها النقد الأدبي، والأسلوبية الحديثة. وبيان الفروق بين النوعين. وسنرى في البحث أن الأسلوبية على الرغم من انتمائها الى اللغة والأدب والنقد والبلاغة، لكنها استطاعت أن تستقل بخصائص تجعلها علما مستقلا عن ا

Considering the magnitude of its economic, social and political impact, unemployment represents a crucial challenge confronting the majority of the countries of the world. The problem of the study was the high rates of unemployment in Sudan and the inability of economic growth rates to keep pace with the steady increases in unemployment rates during the study period. This study aimed to identify the economic and social variables influencing unemployment rate in Sudan, in addition to measuring the impact of these variables over the period (1981-2015). Data were collected from databases of the World Bank and Atlas of the World's data .The study hypothesized the presence of statistically significant and direct relationship between u

Analytical Hierarchy Process (AHP) belongs to the family of Multiple Criteria Decision Making (MCDM)  and has, recently, received a wide popularity in decision making regarding supplier selection.  The objective of this study is to apply the methodology of AHP on selecting suppliers to supply materials for the  Geological Survey and Mining  Company (GSMC).  Criteria for rating the suppliers and pairwise comparisons were identified by the members of the Tenders Analysis Committee (TAC). In order to judge the internal validity of the AHP, it was applied manually on a sample of fourteen tenders that were analyzed  and executed between 2004-2007, then an interactive computerized  package was developed