This research is an attempt to study and evaluate the maintenance function at Factory 7 - The State General Company for Leather Industries, and to design a computerized preventive maintenance system to design and to analyze preventive maintenance. To accomplish the objectives of this research, data were gathered and analyzed according to the reliability engineering criteria for the period 2/1– 30/6/2005, then a preventive maintenance plan was designed for each machine of the sample study using the computerized system designed in this research. A Monte Carlo Simulation methodology was used for the purpose of evaluating the performance of the preventive maintenance plan of each machine for one year. The simulation results were used in performing significance tests of the research hypothesis. The significance tests revealed that the performance criteria of the preventive maintenance plans designed here were significantly different than the actual performance criteria. This research recommends the use of the computerized system and the preventive maintenance plans derived in this research.
ملخـــص البحــــث
كان للإمام النسفي دور كبير في دراسة منهج المعتزلة ، والرد عليهم وذلك في مؤلفاته المتنوعة ، وفي طليعتها تفسيره المشهور : مدارك التنزيل وحقائق التأويل ، ومن يطلع على هذا الكتاب يجده بلا شك كتاباً مهماً ، زاخراً بأنواعه العلوم والفنون ، ومنها ردوده على المعتزلة في كثير من المسائل الكلامية التي خالفوا فيها أهل السنة والجماعة . وجاءت خطة البحث في مبحثين رئيسين بعد المقدمة :<
... Show Moreالملخص: منذ نهاية الحرب العالمية الثانية ولغاية الآن عجزت روسيا واليابان عن إبرام معاهدة تنهي رسمياً الأعمال العدائية بين البلدين، وتنهي تنازعهما حول جزر المحيط الهادئ المعروفة يابانيا بالأقاليم الشمالية، وروسياً بجزر الكوريل الجنوبية. ومع الغزو الروسي لأوكرانيا زادت علاقات البلدين تدهورا، وتوقفت مساعي تطويرها التي بدأها رئيس الوزراء الياباني الراحل شينزو آبي ، ما يثير التساؤل حول مستقبل العلاقة بي
... Show Moreهدفَ البحث الى معرفة دور برامج السخرية التلفزيونية بتشكيل صورة السياسي العراقي، حيث تلخصت مشكلة الدراسة بالتساؤل الرئيس: ما دور السخرية في برامج التلفزيون بتشكيل صورة السياسي العراقي، وتنتمي هذه الدراسة إلى البحوث الوصفية، وقد استخدم الباحث المنهج المسحي، واستمارة الاستبانة أداة رئيسة لجمع المعلومات والبيانات، فضلًا عن الملاحظة والمقياس، واعتمد أيضًا على نظرية الغرس الثقافي دليلًا علميًا لتوجيه الب
... Show MoreThe study aims to know the role of governance in the consolidation of the principles of business ethics, through the application of the principles of governance and the dimensions of business ethics in the private sector. And knowledge of the validity of the hypothesis key of the current study according to which "increases the ethics of business organizations strength and coherence in the presence of the principles of governance" as it was distributed the questionnaire to a sample of a chairman and board members and managers department and heads of sections in some of the private banks. I have been using correlation analysis and regression testing (t) to see the moral differences and to find out the c
... Show MoreThe probability is considered one of the grammatical cases in all languages of the world. Expressions of probability in Spanish language are expressed by various structures, expressions and some verb tenses. By this study explains the grammatical cases, the verbal periphrases, the impersonal expressions, the future tenses (simple and perfect) and the conditional mode of probability in Spanish language .We have explains these cases in detail with examples that have extracted from various spanish grammar books .The specific objective of this study is to know the resources and constructions of probability in Spanish language and their translation in Arabic language.
This research aims to reveal the quality standards available in press images published in the news sites, the Iraqi News Agency and Al-Mada Press for the period from: 1/9/2019, to: 30/9/2019. The research is a descriptive research, in which the researcher relied on the survey methodology to achieve its objectives. The research reached a number of results, most notably the weak role of photojournalists in the websites and the adoption of those the Internet as a source for obtaining press images published with news and reports through its pages, as well as the neglect of the standard Description/Comment below the press images, which plays an important function in explaining and interpreting them for users.
The research aimed to identify the effectiveness of instructional design according to whole brain theory of Herman in the achievement of chemistry at the fifth scientific students at a secondary school of the General Directorate for Educational in Diyala / Baladruz in Iraq. The research sample Consisted of (57 student, (29) students as experimental group studied according to instructional design strategies for whole brain theory of Herrmann and (28) a student as a control group studied by the usual way for two semesters, a prepared achievement test as article and objective type of multiple choice, the coefficient stability of alpha-Cronbach equation reached (0.86). The research Results showed the presence of a statistically significant d
... Show MoreIn the mist of developments in the course of scientific research in general and humanities in particular and the accompanying changes in the visions and policies inspired by the need for these sciences to follow the qualitative methods in dealing with many of the topics or problems that require for their solution to obtain qualitative information which can be provided by resorting to quantitative research. Therefore, a new trend has emerged in many public relations› researchers who believe that qualitative research methods should be used by establishing scientific foundations and methodological classification based on the use of these methods and determining the nature of the subjects applied in them to reach results that are character
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