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Economical study by determining the optimum thickness of insulation of some heaters utilized in Qatar refinery
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International Information and Engineering Technology Association
, 2008 , Article)
Some furnaces and heaters utilized in the industry in Qatar (such as Qatar Refinery) are analyzed economically by the determination of the optimum thickness of insulation for each of these equipments. Different common ...
Confidence intervals for the quantiles of the Weibull distribution based on record values
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Nova Science Publishers Inc
, 2008 , Article)
We consider likelihood-based and bootstrap confidence intervals for the quantiles based on record values from the Weibull distribution. We developed also intervals for the difference of quantiles based on two independent ...
The determinants of capital structure: The case of long-term debt constraint for Jordanian firms
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Virtus Interpress
, 2008 , Article)
This paper contributes to the capital structure literature by investigating the determinants of capital structure of Jordanian companies with the constraint of inadequate long-term debt as their source of financing and ...
Impact of MD5 authentication on routing traffic for the case of: EIGRP, RIPv2 and OSPF
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Science Publications
, 2008 , Article)
Problem Statement: With the free flow of routing data and the high availability of computer resources, possible threats to the networks can result in loss of privacy and in malicious use of information or resources that ...
Assessment of water bodies of united arab emirates coastal sabkhas as potential sites for natural salinity gradient solar ponds
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ASCE - American Society of Civil Engineers
, 2008 , Article)
Increasing population and growing demands from both agriculture and industry in the United Arab Emirates (UAE) necessitate the need to provide inexpensive fresh water. The only feasible source of such water is desalination. ...
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 ...
Infrared Image Enhancement using H{infinity} Bounds for Surveillance Applications
(
IEEE
, 2008 , Article)
In this paper, two algorithms have been presented to enhance the infrared (IR) images. Using the autoregressive moving average model structure and Hinfin optimal bounds, the image pixels are mapped from the IR pixel space ...
A Discontinuous PWM Method for Balancing the Neutral Point Voltage in Three-Level Inverter-Fed Variable Frequency Drives
(
IEEE
, 2008 , Article)
The paper describes a new discontinuous carrier-based pulsewidth modulation (PWM) method for use in variable frequency drives (VFD) driven by three-level inverters. The method introduces three different switching patterns ...
عقوبة السب بين الهدي النبوي و القانون القطري
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جامعة الشارقة
, 2008 , Article)
اهتمت الشريعة الإسلامية بصيانة الأعراض - وهي مواطن المدح والذم من الإنسان –وعملت على توفير الحماية اللازمة لها، فنصت على عقاب كل من ينال منها بالاتهام الكاذب، وذلك حتى تساعد على تكوين المجتمع الصالح، وتقضي على الرذيلة في ...
A novel method for estimating the angle from analog co-sinusoidal quadrature signals
(
Elsevier
, 2008 , Article)
The paper presents a new low cost and accurate method for determining the angle from sine and cosine signals produced by resolvers and sinusoidal encoders. In the proposed scheme, multiple phase-shifted sinusoids (PSS) are ...