Number of Articles: 4857
Recycling of waste papers: yield and quality of the ash-derived materials
Volume 42, Issue 4 , April 2024, , Page 430-436
Abstract
This research was designed to assess the yield and quality of ash prepared from different types of waste papers. Waste newspapers, writing papers, and cartons were selected for combustion ... Read More ...
Influence of Heat Treatment Conditions on Microstructure of Ti-6Al-7Nb Alloy As Used Surgical Implant Materials
Volume 25, Issue 3 , May 2007, , Page 431-442
Abstract
The study involves mechanical deformation and heat treatment effect on the microstructure of the Ti-6Al-7Nb alloy which is used as surgical implanted materials. The observed properties ... Read More ...
Dynamics Behavior of Adsorption the Binary Pollutants by A Fixed Bed Column
Volume 24, Issue 4 , April 2005, , Page 432-455
Abstract
Abstract Adsorption of hydrocarbon pollutents ( Ethanol and Butanol ) by activated carbon had been investigated using a fixed bed column . A wide range of concentration ( 25 × ... Read More ...
Evaluation of the synergistic effects of synthesized silver nanoparticles conjugated tetracycline
Volume 42, Issue 4 , April 2024, , Page 437-445
Abstract
The antibiotic impacts of classical drugs against bacteria could be enhanced via the conjugation of silver nanoparticles. After the successful coating of silver nanoparticles (AgNPs) ... Read More ...
Design and Analysis of A 3-D Conical Diffuser
Volume 25, Issue 3 , May 2007, , Page 443-453
Abstract
Analysis of flow through the conical diffuser of an annular combustion systemis presented. The flow is assumed to be unsteady, quasi three dimensional,compressible and turbulent. A ... Read More ...
Solving Westergaard Half-Space Problems Using Potential Theory
Volume 42, Issue 5 , May 2024, , Page 446-459
Abstract
The Westergaard half-space problem has been solved using the potential theory in this work. It is a classical theme in elasticity theory that seeks to find the displacements and stresses ... Read More ...
Experimental Study of Flexural Strength of Laminate Composite Material
Volume 25, Issue 3 , May 2007, , Page 454-466
Abstract
The effect of fiber volume fraction on the flexural properties of thelaminated composite test specimens constructed of two layers, one of themreinforced with glass fiber and the other ... Read More ...
Torsional Strength of Horizontally Curved Continuous Reinforced Concrete Box Girder Bridges
Volume 42, Issue 5 , May 2024, , Page 460-471
Abstract
The horizontally curved box girder bridges are considered important nowadays because of their low cost compared to the load capacity and torsion moments that they can carry. This study ... Read More ...
Light-Induced Etching of Silicon
Volume 25, Issue 3 , May 2007, , Page 467-474
Abstract
In this work, an ordinary light is used for photo-chemical etching of n-typesilicon wafer in HF solution. Scanning electron microscopy is used to monitorchanges in surface morphology ... Read More ...
Modifying the Strength of Soft Soils via Heating and Cement Grouting Method
Volume 42, Issue 5 , May 2024, , Page 472-484
Abstract
Soft clayey soils present geotechnical engineering challenges with significant stability and settlement. Various methods are employed to enhance the geotechnical properties of these ... Read More ...
Feedforward Controller for Nonlinear Systems Utilizing a Genetically Trained Fuzzy Neural Network
Volume 25, Issue 3 , May 2007, , Page 475-494
Abstract
This paper presents an intelligent controller that acts as a FeedForwardController (FFC). utilizing the benefits of Fuzzy Logic (FL), Neural Networks(NNs) and Genetic Algorithms (GAs), ... Read More ...
Effect of Structure Height on Seismic Response of Adjacent Structures Considering Soil-Structure Interaction
Volume 42, Issue 5 , May 2024, , Page 485-492
Abstract
Seismic activity has emerged as a mostly attractive issue for researchers and engineers, particularly in light of the recent occurrence of severe earthquakes worldwide, such as those ... Read More ...
Manufacturing of Sustainable Ultra-High-Performance Concrete Using Response Surface Methods
Volume 42, Issue 5 , May 2024, , Page 493-504
Abstract
Quartz powder is used in ultra-high-performance concrete to improve granular packing, but repeated inhalation during manufacture can cause health issues. The mechanical properties of ... Read More ...
Behaviour of Composite Slim Floor Beam with Partial Interaction
Volume 25, Issue 3 , May 2007, , Page 495-511
Abstract
This research includes a theoretical investigation about the behaviour ofsimply supported composite slim floor beams with partial interaction. For thepurpose of analysis, the slim floor ... Read More ...
Life cycle economic comparison between rigid and flexible pavement: a case study for the construction of wajen- garin barkamawa-dugurawa road in kano state nigeria
Volume 42, Issue 5 , May 2024, , Page 505-515
Abstract
Flexible pavements may be strengthened and enhanced incrementally to meet traffic needs, making them preferable to cement concrete roadways. Due to the rise of poor-quality bituminous ... Read More ...
Experimental and Numerical Studies on Water Cooling Tower Performance
Volume 25, Issue 4 , June 2007, , Page 512-533
Abstract
Theoretical and experimental studies were conducted on forced draftwater cooling tower. In such towers, the heat and mass transfer take placefrom the hot water to the bulk air, which ... Read More ...
Strain capacity and flexural strength behavior of bendable concrete produced with different polymeric fibers
Volume 42, Issue 5 , May 2024, , Page 516-524
Abstract
The incorporation of fibers into engineered cementitious composite concrete imparts flexibility to the material. Therefore, using different types and contents of polymeric fibers would ... Read More ...
Drought forecasting model for future climate change effects in a regional catchment area in northern iraq
Volume 42, Issue 5 , May 2024, , Page 525-539
Abstract
Climate change plays a crucial role in shaping the hydrological dynamics of rivers owing to its immediate implications on the driving meteorological parameters. Therefore, Understanding ... Read More ...
Numerical Study of Flow InMechanically Ventilated Rooms Under Non- Isothermal Conditions
Volume 25, Issue 4 , June 2007, , Page 534-542
Abstract
A computational procedure was conducted in (3x3x3 m) rooms and in a full–scale model building to study the effect of supply temperature on the roomflow patterns in mechanically ... Read More ...
Performance of potato starch admixture on fresh and hardened behaviours of concrete at varied mix design ratios
Volume 42, Issue 5 , May 2024, , Page 540-547
Abstract
The urgency to attenuate techno-economic and ecological threats constituted by chemical admixtures has necessitated the adoption of feasible natural admixtures. The chemical interaction ... Read More ...
The Effect of Size and Location of a Heating Source on the Buoyant Flow in a Heated Space
Volume 25, Issue 4 , June 2007, , Page 543-557
Abstract
A numerical study of two-dimensional turbulent buoyant recirculating flowswithin a heated space is presented. The study involves the solution of elliptic partialdifferential equations ... Read More ...
Evaluating the structural performance of waste PET-infused interlocking units versus traditional stone masonry
Volume 42, Issue 5 , May 2024, , Page 548-556
Abstract
This study focuses on PET waste reduction worldwide by looking at the application of these polymeric materials in the construction and building industries. An effective application ... Read More ...
Evaluating Land Use Land Cover Classification Based on Machine Learning Algorithms
Volume 42, Issue 5 , May 2024, , Page 557-568
Abstract
Image classification depends substantially on the remote sensing method to generate maps of land use and land cover. This study used machine learning algorithms for classifying land ... Read More ...
Dopping Effect On Optical Constants of Polymethylmethacrylate (PMMA)
Volume 25, Issue 4 , June 2007, , Page 558-568
Abstract
The optical constants (refractive index (n) , extinction coefficient (k) , realand imaginary parts of dielectric constant(ε1&ε2)) of polymethyl methacrylate(PMMA) ... Read More ...
A Finite Element Analysis of Orthogonal Machining Using Different Tool Edge Geometries
Volume 25, Issue 4 , June 2007, , Page 569-583