mohamed_elgouhari

الأستاذ الدكتور/ محمد عبد الرءوف الجوهري

استاذ - وكيل كلية الآثار للدراسات العليا والبحوث - مؤسس ومدير مركز النشر العلمى بجامعة سوهاج - مؤسس ورئيس تحرير المجلة المصرية الدولية لدراسات الأثار والترميم (EJARS)

كلية الاثار

العنوان: مكتب وكيل كلية الآثار للدراسات العليا والبحوث - الدور الرابع - مبني كلية الآثار - الكوامل

15

إعجاب

المنشورات و المؤلفات التي تحتوي علي الكلمة المفتاحية: Stereo M


2018-09-16 09:31:35 الكلمات المفتاحية Petra, weathering, PM, Stereo M, XRD, SEM,
3.	Environmental impacts: Weathering factors, mechanism and forms affected the stone decaying in Petra
The decay of stones in a natural environment is governed by extrinsic and intrinsic factors. Petra is exposed for centuries to the severe climatic conditions especially temperature (T), total monthly rainfall (TMR) and relative humidity (RH). In this regard, there are negative effects that result from these climatic elements on stone; which affect or are based on the chemical characteristics ... إقراء المزيد

2018-09-16 10:22:52 الكلمات المفتاحية Air pollution, Pollutants, Decomposition, TSP, Stereo M\, Stereo M, ICP-OES,
21.	Air pollution and aspects of degradation "Umayyad Liwãn-Amman citadel as a case study"
Many natural stone monuments have suffered from serious damages that due to natural weathering, pollution and other factors of deterioration and using insufficient maintenance of susceptible materials or inappropriate conservation. Considerable attention has been paid in recent years to the decay of carbonate building stones [Limestone and Marble] especially in aggressive polluted environments, moreover, color changes, patina, blacking of rock's ... إقراء المزيد

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