The Current research aims to identify ( the effect of Carin model in the achievement of the first intermediate Grade Students and their Reflective Thinking in physics Subject ) the researcher selected the experimental design with a partial adjust , The research sample consisted of ( 47 ) Students with ( 23 ) Students in the experimental group and ( 24 ) Students in the control group , The two groups rewarded in the variables chronological age in months , Reflective Thinking and the degrees in physics in the first course. The researcher coined the purposes of behavioral which belong to chapter fifth, sixth, and seventh of physics books scheduled of the school year ( 2015-2016 ) and prepared appropriate lesson plans for the two experimental and control group. As for the two research tools, the researcher prepared the achievement test consists of ( 30 ) objectivity paragraph of multiple choice , the researcher has adopted the Reflective Thinking scale of ( Eysenck & Weilson ). The psychometric properties were accounted for them and the statistical tools has been used ( coefficient of difficulty, discrimination power equation, t-test, alfa-cronbach equation and Keord- Richardson 20 equation ). To analysis the results that showed the superiority of the experimental group Students of the control group Students in each of the achievement test and Reflective Thinking scale. According to this situation , the researcher had a number of recommendations including the adopting of carin model in teaching physics and complementing this research, The researcher suggested conducting similar research in other classrooms and other study material.
دراسة صوتية ولغوية متخصصة ل يبحث الكتاب في خصائص الحروف المذلقة من حيث مخارجها، صفاتها، وتأثيراتها في أبنية الكلمات
اهتم العلماء بالحركات العربية اهتماماً بالغاً واولوها عناية كبيرة، سواء أكانت هذه الحركات حركات إعراب ، ام حركات بنية ، وسواء اكانت تؤدي الى معنى ام تمثل لهجة من اللغات العربية -ولا أعني بذلك أن حركات بنية الالفاظ قد اختصت ببيئة معينة كما ذهب الى ذلك الاستاذ العالم الدكتور ابراهيم أنيس وسار على هديه فيما بعد الدكتور احمد علم الدين الجندي، وإنما أعني كل لهجة استخدمت الحركات الثلاث في بنية الفاظها وهذا ما اود ا
... Show Moreيهدف هذا البحث إلى تتبع الظواهر الصوتية التي يتعرض له هذا الصوت ويتميز بها عن غيره من الأصوات العربية ودراسة فائدة هذه الظواهر في النطق وتقليل المجهود الصوتي وقراءة القرآن قراءة صحيحة وسليمة وخالية من الأخطاء والعيوب النطقية ومن هذه المماثلة الكلية (الإدغام) والمماثلة الجزئية (الإبدال) وقوانين صوتية أخرى(الإتباع، والإشباع، والتشفية)
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The cathodic deposition of zinc from simulated chloride wastewater was used to characterize the mass transport properties of a flow-by fixed bed electrochemical reactor composed of vertical stack of stainless steel nets, operated in batch-recycle mode. The electrochemical reactor employed potential value in such a way that the zinc reduction occurred under mass transport control. This potential was determined by hydrodynamic voltammetry using a borate/chloride solution as supporting electrolyte on stainless steel rotating disc electrode. The results indicate that mass transfer coefficient (Km) increases with increasing of flow rate (Q) where .The electrochemical reactor proved to be efficient in removing zinc and was abl
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The present study is to investigate the possibility of using wastes in the form of scrap iron (ZVI) and/ or aluminum ZVAI for the detention and immobilization of the chromium ions in simulated wastewater. Different batch equilibrium parameters such as contact time (0-250) min, sorbent dose (2-8 g ZVI/100 mL and 0.2-1 g ZVAI/100 mL), initial pH (3-6), initial pollutant concentration of 50 mg/L, and speed of agitation (0-250) rpm were investigated. Maximum contaminant removal efficiency corresponding to (96 %) at 250 min contact time, 1g ZVAI/ 6g ZVI sorbent mass ratio, pH 5.5, pollutant concentration of 50 mg/L initially, and 250 rpm agitation speed were obtained.
The best isotherm model for the batch single Cr(III) uptake by ZVI
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Numerical study has been conducted to investigate the thermal performance enhancement of flat plate solar water collector by integrating the solar collector with metal foam blocks.The flow is assumed to be steady, incompressible and two dimensional in an inclined channel. The channel is provided with eight foam blocks manufactured form copper. The Brinkman-Forchheimer extended Darcy model is utilized to simulate the flow in the porous medium and the Navier-Stokes equation in the fluid region. The energy equation is used with local thermal equilibrium (LTE) assumption to simulate the thermofield inside the porous medium. The current investigation covers a range of solar radiation intensity at 09:00 AM, 12:00 PM, and 04:00
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