Browsing QU Ceased Journals by Title
Now showing items 228-247 of 2240
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Decomposition of a Special Type of Machines
( Qatar University , 1994 , Article)In this paper, the concept of a finite n-state cyclic machine An is defined. These machines are then completely characterized using the prime factorization of n. Specifically, it is proved that any finite-state cyclic machine -
Decomposition Of The Set Of Conditionally Exponential Convex Functions
( Qatar University , 1993 , Article)The theory of C* -algebra is used to develop a connection between the local extreme points and the topology of the spectrum space G. -
Dehydration of Ethanol over HF-treated Al2 O3 using the GC-column as Chemical Reactor
( Qatar University , 1981 , Article)The effect of treating •y-alumina with hydrofluoric acid on the dehydration reaction of ethanol was investigated at 325°C. The gas chromatographic column was used as a chemical reactor. The rate of formation of ethylene ... -
Delineation of charged deltaic rock genetic types in algyo-2 hydrocarbon reservoir, hungary; Based on log curve shapes
( Qatar University , 1986 , Article)Most of the deltaic sandstone reservoirs exhibit complex lithofacies as well as petrophysical variations in both time and space. Facies analysis and reconstruction of facies patterns for the Algyo-2 reservoir rocks encountered ... -
Demersal Fish Resources Around Qatar
( Qatar University , 1982 , Article)The study was based on the data available from Fishery Resources Survey in the Gulf and Gulf of Oman, conducted by F.A.O., between 1975 and 1979 and the samplings of the fish production in Qatar during 1980/81. The survey ... -
A Demodulation Technique For Power System Local Frequency And Voltage Measurements
( Qatar University , 2003 , Article)The demodulation technique of two complex signals is used to estimate the power system local frequency and voltage phasor. The first complex signal is generated from the three-phase voltage waveform by using the ... -
Density and diversity of the desert Arthropoda of Qatar
( Qatar University , 1997 , Article)Density and diversity of arthropods were studied at different habitats of the Qatari desert. Diurnal sampling was conducted at two seasons of the year, the end of the dry season, at the beginning of autumn (October) in ... -
Design And Implementation Of A Microprocessor Controlled Digital Filter
( Qatar University , 1991 , Article)The construction and implementation of a microprocessor controlled real time recursive digital filter have been given. The system designed could also be applied to a variable coefficients system such as ADAPTIVE FILTER and ... -
Design and Performance Evaluation of a High Speed Transport Protocol
( Qatar University , 1994 , Article)Transport protocols that were designed for network today are not adequate for high speed networks of the future due to the increase in network bandwidth relative to the speeds of the processor components. As a result, 100 ... -
Design Of A Simple Apparatus For Reaction Kinetics And Reactor Design Experiments
( Qatar University , 1990 , Article)Tubular reactor experiments arc an integral part of an undergraduate course in reaction kinetics and reactor design. However, the successful design of such experiments necessitates meeting a set of criteria regarding safety, ... -
Design Of An E-Mail System For Personal Computers
( Qatar University , 1991 , Article)The design of an Electronic-Mail system that can operate in a personal computer (PC) environment is presented. The underlying philosophy is based on a centralized mailbox approach, wherein a dedicated SERVER stores the ... -
Design of Smoke Generator for Flow Visualisation
( Qatar University , 1988 , Article)Described in this paper is an alternative method for smoke generation for flow visualisation in low speed (subsonic) wind tunnel work. This method makes use of the smoke generating characteristics of Ammonia and Sulphur ... -
Designing Air Intake Ducts for High Speed Flight
( Qatar University , 1988 , Article)A proven duct flow model is used to examine the influence of the intake duct geometric and inlet flow parameters on the pressure recovery performance of intake ducts for high speed flight. The geometric parameters include: ... -
Detection Of Small Amounts Of Lard In Other Animal Fats
( Qatar University , 1993 , Article)The composition of fatty acids at the b-position (B-FA) and a, a' -positions of the. triacylglycerol was used to establish new criteria for the detection of small amounts of lard in other fats. Determination of P-FA was ... -
Detemining the importability of educational practices, programs and products.
( Qatar University , 1987 , Article)One of the ways that educators have found to meet their educational needs and problems is to utilize programs, practices, or products, here after referred to as practices in this paper, that other educators have developed. ... -
Determinants of Kuwaiti stock prices: An empirical investigation of industrial services, and food company shares
( Qatar University , 1991 , Article)Not available -
Determination Of Petrophysical And Mechanical Properties Interrelationship For Simulated Sands
( Qatar University , 2003 , Article)In the evaluation of a petroleum reserve, it is necessary to determine accurately certain petrophysical properties such as porosity and permeability of the reservoir rocks. These properties are affected by the relevant ... -
Determination Of Rheological Properties Of Polymer Solutions In Sandpacks
( Qatar University , 1992 , Article)There is a correlation between mobility ratio and oil recovery by water displacement in homogeneous and heterogeneous reservoirs. Because of this correlation, it is essential to develop a mobility control process which ... -
Determination of Sara constituents of southwestern Nigerian tars sands and their Physical properties
( Qatar University , 2005 , Article)Utilization potentials of Nigerian massive crude bitumen and associated heavy oil represent a promising source of security and economic benefits for the nation. However, production and processing technology of tar sands ... -
Developing Binary Interaction Parameters For Equations Of State
( Qatar University , 1991 , Article)Binary interaction parameters are routinely developed to improve the accuracy of equation of state estimations for binary mixtures. For a given data set, the numerical value of the vapor-liquid equilibrium constant varies ...
