4 Ergebnisse.

Water resources in Egypt are limited to meet the increasing demands for agricultural extensions. Application of wastewater to lands is one of the oldest and the cheapest methods for treatment and disposal of wastewater. The wastewater provides effective source of nutrients that crop root are able to assimilate. The use of treated wastewater for afforestation, offers reduction of environmental pollution as well as timber productivity is conside...

Key questions in the framework of the study: Study tries to answer the key question is: What is the impact of international conventions for the protection of the environment on the export of oil from OPEC, and the effectiveness of the policies of OPEC in the face of these challenges in order to achieve its objectives? Methodology of the study: Study is based on the (analytical approach prospective comparative), which is based on desk study of ...

The present work is a mineralogical, sedimentological and geochemical prospecting survey of heavy minerals, through applying a systematic geochemical survey using stream sediments samples, at Hammam Faraun area, Sinai, Egypt. The majority of the sediments belong to the very coarse to coarse grained sand fraction, extremely poorly sorted with only a few being moderately well sorted. The deposition environment was proposed through two methods in...

Coordination Chemistry ( Complexes of platinum group metals) , a product of extensive and wide-range research, illustrates synthesis of the complexes of 1, 1-bis( diphenylphosphino)methane or 1, 1-bis( diphenylphosphino)ethene with platinum group metals and group VI metals. The book targets all kinds of specialists in inorganic chemistry .Throughout the book you will witness how the author prepares a variety of complexes which work as superior...