khalaf.ali

Khalaf Ali Fayez Abuamra

استاذ - أستاذ متفرغ

كلية العلوم

العنوان: قسم النبات والميكروبيولوجى -كلية العلوم -جامعة سوهاج

2

إعجاب

المنشورات و المؤلفات التي تحتوي علي الكلمة المفتاحية: Limestone


2019-01-28 08:49:12 الكلمات المفتاحية Claystone, Problematic soil, Limestone,
Effect of Soil Chemical Components on Their Mechanical Properties Under Different Loads, Marsa Alam City, Red Sea Coast, Egypt
ABSTRACT: In recent years, there has been worldwide interest for problematic soils which may cause engineering problems when these soils are located under foundations. These soils are found in abundance in the semi-arid regions of tropical and temperate climate zones as in Marsa Alam city, where annual evaporation exceeds precipitation. This work is a trail to discuss the geotechnical characteristics ... إقراء المزيد

2018-10-15 20:21:40 الكلمات المفتاحية Sultan Hassan Mosque, Limestone, Bacillus, Aspergillus, Antimicrobial,
Microbial deterioration of limestone of Sultan Hassan mosque, Cairo- Egypt and suggested treatment
Abstract : Sultan Hassan Mosque is one of the most important mosques in Egypt and the Islamic world because of its special architectural style. However, many causes of its limestone deteriorations were found. Moreover, it is exposed to the influence of ground water caused by sewage. Therefore, the study examines the environmental factors. Chemical analyses by X-ray diffraction and X-ray ... إقراء المزيد

2018-09-16 10:07:29 الكلمات المفتاحية Crusting, Flaking, Limestone, Pitting, Scaling, Soiling, weathering,
17.	Investigation on limestone weathering of El-Tuba Minaret El-Mahalla, Egypt: A case study
The weathering phenomena that have affected El‐TUBA Minaret, one of the most important Islamic stone minarets in middle delta in Egypt; that has suffered from several factors of deterioration due to weathering phenomenon. The present investigations concern the weathering factors that may have affected the minaret via the following methods and techniques: a) Contact‐free methods used to study the chemical ... إقراء المزيد