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السجلات المعروضة 31 -- 40 من 71
Isolation and characterization of extracellular bioflocculants produced by bacteria isolated from Qatari ecosystems
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POLISH SOCIETY OF MICROBIOLOGISTS
, 2008 , Article)
Compared with conventional synthetic flocculants, bioflocculants has special advantages such as safety, strong effect, biodegradable and harmlessness to humans and the environment, so they may potentially be applied in ...
Hazards influencing coastal plains management along the Eastern stretch of the Gulf of Suez, Using remote sensing and GIS
(
IEEE
, 2008 , Conference Paper)
This research aims at to assess the impact of natural hazards on the human activities and development planning held along the eastern coastal stretch of the Gulf of Suez. Change detection technique was used in combined ...
Analysis of particulate behavior in porous media
(
Shanghai University Press
, 2008 , Article)
In this work, we analyze the behavior of the particle phase in the flow of a particle-laden mixture through a porous medium. An attempt is made to model the diffusion and dispersion processes, and to quantify the deviation ...
Voltage stability evaluation of real power transmission system using singular value decomposition technique
(
IEEE
, 2008 , Conference Paper)
Voltage stability is an important factor that needs to be taken into consideration during the planning and operation of power systems in order to avoid voltage collapse and subsequently partial or full system blackout. ...
Mobile-phone users’ attitudes towards’ mobile commerce & services in the Gulf Cooperation Council countries: Case study
(
IEEE
, 2008 , Conference Paper)
As the number of mobile phone users is growing, purchasing products and services using mobile phones and other mobile devices are also increasing. The purpose of this study was to provide the status of mobile-commerce in ...
Iterative learning control for variable frequency drives
(
IEEE
, 2008 , Conference Paper)
Variable Frequency Drives (VFD) are subject to various types of disturbances especially cyclical ones. These periodic disturbances are difficult to compensate by conventional controllers. Repetitive control can only ...
Incidence, severity and preventability of medication-related visits to the emergency department: A prospective study
(
Canadian Medical Association
, 2008 , Article)
Background: Medication-related visits to the emergency department are an important but poorly understood phenomenon. We sought to evaluate the frequency, severity and preventability of drug-related visits to the emergency ...
دراسة ميدانية حول مستوى الثقافة الإسلامية لدى طلاب جامعة قطر
(
اللجنة الوطنية القطرية للتربية و الثقافة و العلوم
, 2008 , Article)
لاحظنا أثناء تدريسنا لمقرر الثقافة الإسلامية لطلاب جامعة قطر ضعف المستوى الثقافي فيما يتعلق بعموميات الثقافة الإسلامية ولاحظنا أيضا أن هناك توافق من قبل أعضاء الهيئة التدريسية على هذه الملاحظة، خاصة أن مقرر الثقافة الإسلامية ...
Generalized dynamic spectrum access: An order statistics design perspective
(
Elsevier GmbH
, 2008 , Article)
A new adaptive multiple access scheme based on the theory of order statistics is introduced. The proposed algorithm employs a semi-random allocation mechanism that limits subchannel selection to the highest-gain subchannels. ...
Synthesis, spectroscopic and thermal investigations of solid charge-transfer complexes of 1,4,7-trimethyl-1,4,7-triazacyclononane and the acceptors iodine, TCNE, TCNQ and chloranil
(
Elsevier
, 2008 , Article)
The solid charge-transfer complexes formed in the reaction of the electron donor 1,4,7-trimethyl-1,4,7-triazacyclononane (TMTACN) with the acceptors iodine, tetracyanoethylene (TCNE) and 7,7,8,8-tetracyanoquinodimethane ...