ابحث عن التدريسيين أو الاهتمامات البحثية أو البحوث أو الأخبار، وضيّق النتائج بالفلاتر عند الحاجة
تُطبَّق التصفية على التدريسي المرتبط بكل نتيجة.
كان منهاج الثوره واهدافها المرفوعه والمنادى بها قريبه من اهداف ومطالب القوى الوطنيه التي تتركز حول العمل الجاد لاسقاط النظام الملكي واقامه نظام جمهوري يقوم على اساس ديمقراطيه
يتكلم البحث عن العهد الملكي حيث شهد تشكيل (٥٩)حكومه لم تتمكن ايا منها من اكمال مدتها القانونيه المقرره لها بسبب كثره الصراعات والتنافس للاستحواذ على السلطه الامر الذي ادى الى ارباك الاوضاع العامه
بين البحث ابرز الدلالات اللغوية للفظ التفسير هو الاظهار والكشف ، فإن التفسير هو كشف المعنى المقصود من اللفظ واظهاره للمتلقي وهذا غير الدلالة اللغوية للتأويل التي يراد منها الرجوع اي رجوع المعنى المستكشف الى واقعه الخاص الذي ينطبق عليه وليس
(موقف ابي من فجر الدعوة الاسلامية حتى مماته)
Solar energy is the most focused in the field of renewable energy. It is a clean, green, environmentally friendly energy source. One of the modern technologies utilized by researchers to investigate the wasted heat by the photovoltaic mod
This study presents the effect of cell temperature on the hybrid solar collectors PV/T for modules with and without using a front glass cover. A numerical model of thermal behaviour was carried out for glazed (PV/Tg ) and unglazed (PV/Tun)
Scientists initiated a pursuit of more resilient and long-lasting energy sources due to the continuous deterioration of the environment and the substantial rise in the expense of conventional energy sources. Solar energy is one of the most
In this work, the examination of an experimental air-cooled photovoltaic-thermal (PV/T) module is introduced. Two different shapes of fin fixed to the copper absorber plate are examined for the classical unit of an air-cooled PV/T collector
The solar thermal collector and photovoltaic systems are mixed for a hybrid solar collector (PV/T). This method takes advantage of the solar light and heat to generate electricity and thermal energy at the same time. This paper reports on
The solar thermal collector and photovoltaic systems are combined to form what is known as the hybrid solar collectors (PV/T). This method takes advantage of solar light and heat to generate electricity and thermal energy. This study conduc
Nanofluids enhance thermal energy transfer in energy storage applications. Proper nanoparticles are crucial, especially regarding their thermophysical properties. This work fabricated a novel instrument to evaluate a mixture of distilled wa
The solar hybrid collector (PV/T) modules are a beneficial approach that simultaneously transforms solar radiation into heat and electric power. This work examined the performance of a PV/T module with flat-plate absorber type and water-coo
Sustainable communities require emerging innovations to fulfill the energy needs of urban societies. Renewable energy systems are the most significant trend in net-zero energy buildings (NZEBs) that serve sustainable development. Due to the
This study experimentally verified a new design of the bilateral unit of a PV/T photovoltaic-thermal collector that utilises water and air as a coolant under weather conditions in Gödöllő, Hungary. This study examined the behaviour of three
This investigation designed and fabricated a novel configuration of a copper absorber plate fixed to the photovoltaic module to reduce overheating. Louver-shaped fins with a serpentine tube were mounted to the absorber to configure a bi-flu
The integration of photovoltaic (PV) module and thermal solar collector shows a strong potential for incorporation into hybrid solar-thermal (PV/T) system, mainly due to space constraints and benefits of electrical and thermal concurrent po
(الأحكام الموضوعية العامة في عقود التجارة الدولية) يتلخص البحث بما أن قوام العقود بشكل عام و العقود التجارية بشكل خاص هو التراضي و الإتفاق ، فلا يخلو تعريف قانوني للعقد من الاشارة للتوافق بين طرفيه ، لذا فأن فقدان هذا الركن يجعل العقد ناق
Improving the thermal performance of parabolic trough solar collector (PTSC) has been recently a topic of intensive research due to its high advantages, such as a reduction in system size and expense, as well as an improvement in thermal ef
This experimental study discusses and focuses on the working fluid because it is regarded as the most important factor influencing parabolic trough solar collector (PTSC) performance. To study the performance, two identical PTSCs were manuf
This experimental study presents the thermal efficiency enhancement of a parabolic trough solar collector (PTSC) system using different refractive surfaces and various mass flow rates. Two PTSC models were used to compare the aluminium shee