The photostabilization? of poly vinyl chloride (PVC) ? films has been investigated by using diamine derivatives. The? (PVC) films were? contained 0.5% weight? of diamine derivatives which prepared by the method of casting. The photostabilizations? ?of these compounds were determined by monitoring the carbonyl index value with irradiation time. Also, the effect ?of concentrations of additives (range 0.1-0.5wt) on the rate of photostabilization? process was studied. Therefore we found? that a increased photostabilization rates was increase with increasing? concentrations of compound. Besides, the influence? on film thickness? of photostabilization process was also studied; ?and the results? showed that? the increasing of film thickness incr

The present study aimed to synthesize selenium nanoparticles (SeNPs) using aqueous extract of black currant as a reducing agent. The green synthesized black currant selenium nanoparticles (BCSeNPs) were identified by color change. The characterization of SeNPs was achieved by Ultraviolet-visible (UV–VIS) spectroscopy, scanning electron microscopy (SEM), X–ray diffraction analysis (XRD), and Fourier transform infrared spectroscopy (FTIR). These tests were used to detect: stability, morphology, size, crystalline nature, and functional groups present on the surface of BCSeNPs. The results revealed appearance of the brick-red color indicating the specific color of selenium nanoparticles, and UV-Vis spectroscopy showed band absorbanc

The Egyptian labor movement is the oldest trade union movement in the Arab region. Beside, the labor movement in any society is, in fact, only a reflection of the extent of awareness of that class in that society. Such a comparison is based on the degree of social growth the working class has reached. Moreover, the Egyptian working class was characterized by modernity in its inception compared to other social forces and classes. In addition, its development is linked to the level of industrial development of the country. The peasants and craftsmen were the mainstay of production in the Egyptian society over several centuries. The labor union movement also represents the human aspect of the labor force when it encounters and interacts wit

In this study, dead and live anaerobic biomass was used in biosorption of Pb(II), Cr(III) and Cd(II) ions from a synthetic wastewater. The biosorption was investigated by batch adsorption experiments. It was found that, the biosorption capacities were significantly affected by biosorbent dosage. The process follows Langmuir isotherm (regression coefficient 0.995, 0.99 and 0.987 for Pb(II), Cr(III) and Cd(II) ions, respectively, onto dead anaerobic biomass) model with uniform distribution over the biomass surface. The experimental uptake capacity was 51.56, 29.2 and 28 mg/g for Pb(II), Cr(III) and Cd(II), respectively, onto dead anaerobic biomass, compared with 35, 13.6 and 11.8 mg/g for Pb(II), Cr(III) and Cd(II), respectively, onto live

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الحمد لله رب العالمين و الصلاة و السلام على اشرف المرسلين الرسول الصادق الأمين و على اله أئمة الهدى أتمّ التسليم .

و بعد :

دأب شعراء الأندلس على الإجادة والإبداع في شعرهم لإثبات التفوق الأدبي الذي لا يتم إلأ إذا أمتلك الشاعر تلك المقدرة الأدبية والفنية العالية التي تؤهله لصياغة عباراته بأسلوب متميز له القدرة على إفحام الطرف ال

.

Management is considered as most important resource of the society ones in modern era and an exchange
point in societies’ lives in order to achieve its goals and wishes. So far, management behinds the new
electronic society has become different in shape and nature due to the force of the nature of information
technology that shapes the relationships between the world’s individuals at the national level but it goes
beyond the international ones. The study aims at identifying the impact of the electronic management’s
components upon the improvement of the quality of nursing care in Baghdad’s hospitals. The descriptive
design, with a sample-survey approach, is used as appropriate ones for the field study of social

  دأبت الأسطورة تفسر للإنسان أصل النشوء والتطور، والقص الأسطوري لنتاج أبراهام ركلسون في قصة "عمود النوارس" من المجموعة القصصية "بيت البريق" يفسر ضمنا أصول يهودية للسكان الأصليين في الولايات المتحدة، سردها ركلسون بأسلوب توراتي نحوا ومعنى لمقاربة النص الأدبي من النص في كتاب المورمون والتوراة. إن النص محاولة تعويضية لليهود المهاجرين للشعور بالألفة في المكان. وظف ركلسون أحداث تاريخية ذكرت في كتاب المورمون ل

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   لا شك أن البلاغة تمثل الركن الأساس في إعجاز القرآن الكريم وبها تسمى معجزة (الإذعان) إذ عجز أفصح العرب عن معارضته أو حتى مجاراته أو حتى كتابة سورة من سوره الرصينة والبليغة المعجزة , لذلك شغل العلماء : (مفسرون , بلاغيون , نحويون , ...)  بهذا العلم , فأخذ كل منهم يدرسه بطريقة مختلفة ومنهاج مغاير ليزيد من هذا البحر المديد, ولأجل الكشف عن المزيد من لآلئ القرآن الكامنة وال