The present paper has three folds: first, to provide some basic descriptive statistical parameters for the apparent and absolute magnitudes of the nearby stars of spectral type GOV stars Second, to establish the frequency ...
The present work describes a simplified method for field data which include total, direct, infrared (IR) and ultraviolet (UV) solar radiation in Riyadh for the period from 1982 to 1992. Four dimensionless parameters namely ...
Al-Juboury, Ali Ismail; Al-Naqib, Salim Qassim; Al-Traif, Abdul-Salam Mehdi(2006-01-01)
Petrographic, mineralogical and chemical analyses of marl were investigated to verify the formation processes of many alteration products under low temperature -pressure conditions, where an ample source of sulphate exists. ...
In the framework of a regional scientific cooperation project between USA, Israel, Jordan, and the Palestinian Authority, Jordan (represented by the National Energy Research Center — NERC) has received two desalination ...
A new theoretical approach of black flat platesolar collector considering the glass cover as a participating media and taking into account the absorption and emission within a glass cover is presented. Two kinds of glasses ...
Theoretical and practical calculations of short circuit currents of In-doped Silicon (n) structure have been calculated. Theoretically maximum value of generated current was 5.25 mA at 0.5x1017 cm-3 indium concentrations. ...
Stamouli, A. Boudghene; Larbi, N.; Traversa, E.(2006-01-01)
Several definitions of sustainable development have been put forth, including the following common one: development that meets the needs of the present without compromising the ability of future generations to meet their ...
The purpose of this study is to investigate the variations and trends in monthly, seasonal and annual solar radiation in the Kiang Valley Region for the period 1975-2002. The least square method was used for the trend ...