Browsing QU Ceased Journals by Title
Now showing items 723-742 of 2240
-
On Using the One-Exposure Method for Stress Measurements by X-Rays in Technology and Scientific Research
( Qatar University , 1982 , Article)The paper discusses the connection between macroscopic internal stresses and the technological character of technical materials. The basic theoretical relations which are used with X-Ray tensiometry of macroscopic internal ... -
The One Dimensional Inverse Spectral Problem Of A Generalized Stationary Schrodinger Equation
( Qatar University , 1996 , Article)In this paper we study the inverse problem on the half line for a generalized stationary one dimensional Schrodinger equation. We consider the solutions of the differential equation and study its properties. Given the ... -
Onset of Convection in a Liquid Film Flowing
( Qatar University , 1990 , Article)The thermal instability of a vicsious liquid film flowing down an inclined plane heated from below is studied analytically. The effects of Biot number at the free surface, the inclination, the Prandtl number and the Reynolds ... -
The Onset Of Resonance In Two-Immiscible Fluids Inside A Spinning And Coning Cylinder
( Qatar University , 1993 , Article)Resonance of the motion of two fluids inside a cylinder that spins about its axis and rotates (cones) about an axis that passes through its center of mass is known to occur for low-viscosity fluids (high Reynolds number ... -
Open-ended cloze procedure and multiple - choice cloze procedure: similarties and differences
( Qatar University , 1991 , Article)This paper is a validation of two cloze procedures: Open-Ended and Multiple-Choice (henceforth OE and MC respectively). Open-Ended and Multiple-Choice tests on the same text were administered to 60 English majors in their ... -
Operation And Maintenance Of Sewage Treatment Plant In Doha
( Qatar University , 1992 , Article)The sewage treatment plant in Doha-South uses primary, secondary and tertiary treatment units for treating predominantly domestic sewage. The treated effluent, is used in irrigating agricultural farms for growing animal ... -
Ophioglossum polypyllum, A. Braun a new record for Qatar
( Qatar University , 1995 , Article) -
The Optical and Electrical Properties of Low Density Polyethylene Films in CuSo4 Solution
( Qatar University , 2005 , Article)The optical and electrical properties of pure and treated low density polyethylene (LDpE) were investigated. These measurements have been carried out at various times of immersion for LDPE films in 10% solution of CuSO+. ... -
Optical Matching For Microwave Active Devices
( Qatar University , 1997 , Article)This paper describes a microstrip optically controlled matching technique between microwave active devices with low impedance (less than 10 ohms) and a conventional 50 or 70 ohm communication system in the upper microwave ... -
The Optical properties of Cadmium Stannate (Cd2SnO4) Thin Films Prepared by Chemical Spry Pyrolysis Technique
( Qatar University , 2004 , Article)Thin films of cadmium stannate were prepared using thermal chemical spray pyrols: Cadmium stannate' solution (0.2M) was prepared by dissolution of CdCl25H2O in C2H5OH tion of SnCl23H2O in CH3COOH at molar 2:1, respectively. ... -
Optical Properties Of Oxidated Blown Asphalt Films
( Qatar University , 1996 , Article)Films of purified blown asphalt of high grades of oil and the accompanied adulterated particles derived from its manufacturing process, that is, it was purified 98%. This study focused on optical properties in the wavelength ... -
Optimizing Use Of Marshall Asphalt Mix Design
( Qatar University , 1997 , Article)Rutting has been a problem in Qatar's highway pavements since it began designing asphalt mixtures with the Marshall Method in the early 1990's. This paper describes specifications and rules-of-thumb which have been ... -
Optimum Cutting Schedule Of Reinforcing Steel Bars
( Qatar University , 1999 , Article)Reinforcing steel bars are generally procured in standard lengths. The cutting of standard steel bars to the specified lengths usually yields an appreciable amount of steel waste. Minimization of steel waste problem is of ... -
Optimum Design Of Concrete Slab Forms
( Qatar University , 1996 , Article)This paper presents a design optimization method for concrete slab forms. This procedure was formulated to provide a safe slab form design with minimum cost. The proposed method considers in its design process the cost of ... -
An Optimum Performance of A Flat-Type Solar Air Heater With A Porous Absorber
( Qatar University , 1989 , Article)This investigation is concerned with the design and performance of a flat solar air heater in which air flows perpendicular from a vented transparent cover through a porous absorber plate. The design phase involves a ... -
Organic Petrology Of Oil Shales In Quseir-Safaga District, Egypt
( Qatar University , 1992 , Article)The kerogen and hydrocarbon-generating potential of oil shales from three mining districts in the Red Sea province of Egypt have been investigated using microscopy and elemental analysis. The results reveal that, the ... -
Organisational commitment in the banking sector in Jordan: An Empirical Investigation
( Qatar University , 1995 , Article)This study investigates organisational commitment of employees in the context of Jordanian banking industry. It aims at exploring this concept and identifying the factors that may influence it. Commitment was measured by ... -
Origin And Tectonic Environment Of The Pan-African Rocks Of Abu El Tiyur Area, Eastern Desert, Egypt
( Qatar University , 1995 , Article)The present paper deals with the geochemistry and origin of the Pan - African basement rocks, which covers about 825 km2 North of Abu El Tiyur area, in the Central Eastern Desert of Egypt. The petrochemical character of ... -
Overhead Allocation: a Goal Programming Approach
( Qatar University , 1981 , Article)Overhead is an incurred cost which is matched against cost objects via an intervening base of allocation. The problem of overhead allocation is to come up with a cost allocation procedure which is objective, applies, ... -
Oxidative Addition Reactions of Sn(II) And Pb(II) with Some Hydrazide And Hydrazone
( Qatar University , 2000 , Article)Bivalent tin compounds can be easily transformed to tetravalent compounds by oxidizing agents. The use of ortho-quinones for oxidation of transition metals has been the subject of many publications, but few analogous studies ...
