It has become the subject of the environment and its problems during the last three decades of the important topics and dangerous that gained the attention of researchers in this regard as especially with the worsening repercussions severe, and turned out to be hot issues impose themselves urgently everywhere in the world, not concerned with the environment and specialists out, but also on all people wherever they are, regardless of their standard of living, and the circumstances of their lives, and their level of education and culture because the relationship of man with environment relationship since antiquity as relied upon to provide what they need him to stay, and through the stages of the development of civilization has made some a

It is known that the distinguished scholar and writers in any kind of science leave an important impact on those who come after them, so they are an indispensable source in that science that draws from them who is later in time than them, and this is what we have seen in this research; The scholar Muhammad bin Shuraih al-Ra’ini (d.476 AH) and his book          (Al-Kafi in the Seven Readings) were admired by everyone who wrote about the readings after him. The great scholars of the readings, such as Ibn al-Bathish (d. 540 AH), Ibn al-Jazari (d. 833 AH), and Ibn al-Banna’ did not dispense with him. (d.1117 AH) in terms of reading, isnad, and the way of narration, their books were full of men

This study aims to look in the commandments and letters of Imam

 Abi Talib (A.S.) that narrated in the (Nehj Albalagah). In addition the researcher will study the method of kindness and and sentences structures of

مشكلة البحث وآهميته :

تعد مرحلة ما قبل المدرسة من المراحل شديدة الأهمية في نمو الأطفال في هذه المرحلة تمتد رغبة الطفل في التعرف على العالم المحيط به ثم تتطور أنشطته لتصبح أكثر عمقا وأتساعا فتتضمن البيئة البعيدة عنه ، هذا فضلا على أن 50% من التنمية الذهنية للطفل تتشكل في السنوات الأربع الأولى من العمر وأن القراءة هي إحدى المكونات الأساسية التي تعززهذا الجانب من التنمية .

( أبو

The book Tabaqat al-Faqih by Abu Ishaq al-Shirazi (d. 174 AH / 4801 CE) is considered one of the important sources and dates back to the fifth century AH

תקציר

העיון הזה מדבר על דבר ההשגה על הטקסטים המקראיים בידי כמה מסופרים ופילוסופים יהודים אשר הושפעו מהרעיונותיהם של הפילוסופים האירופיים מחד גיסא, ואת הרעיונות של ההשכלה מאידך גיסא. היהודים היו חיים בבידוד, ותחת השליטה של הרבנות (רבנים) שהייתה שליטה מוחלטת. כבר העבודה של הרבנות מאז ימי קדם להעלות רעיונות במוחם של היהודים בתור העם הנבחר, והם מעולים ועדיפים על בני אדם. הם כל כך מסתמכים על פסוקים מה

The traffic congestion caused by the increase in the number of vehicles in the cities as a result of the increase in the population and the density of construction requires the provision of appropriate infrastructure and the provision of transport systems and logistics services that meet the needs of the population to meet the many challenges now and in the future by introducing various modes of transport , In accordance with integrated plans such as the use of (pedestrian friendly environments, bicycles and their own paths, light rail, metro, express bus, as well as public transport buses and others), through the development of Projects High-level roads, such as the annual and major roads, etc., and integrated with the urban planning of

The effect of mixed corrosion inhibitors in cooling system was evaluated by using carbon steel specimens and weight loss analysis. The carbon steel specimens immersed in mixture of sodium phosphate (Na₂ HPO₄) used as corrosion inhibitor and sodium glocunate (C₆ H₁₁ NaO₇) as a scale dispersant at different concentrations (20,40, 60, 80 ppm) and at different temperature (25,50,75 and 100)ºC for (1-5) days. The corrosion inhibitors efficiency was calculated by using uninhibited and inhibited water to give 98.1%. The result of these investigations indicate that the corrosion rate decreases with the increase the corrosion inhibitors concentration at 80 ppm and at 100ºC for 5 days, (i.e,

Abstract

 This study investigated the optimization of wear behavior of AISI 4340 steel based on the Taguchi method under various testing conditions. In this paper, a neural network and the Taguchi design method have been implemented for minimizing the wear rate in 4340 steel. A back-propagation neural network (BPNN) was developed to predict the wear rate. In the development of a predictive model, wear parameters like sliding speed, applying load and sliding distance were considered as the input model variables of the AISI 4340 steel. An analysis of variance (ANOVA) was used to determine the significant parameter affecting the wear rate. Finally, the Taguchi approach was applied to determine