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Now showing items 4511-4520 of 4707
An Autonomous Packet Transmission Strategy for Opportunistic Wireless Sensor Networks
(
Hindawi Publishing Corporation
, 2012 , Article)
We consider a wireless sensor network that comprises a single hop between the sensor nodes and the central controller node with multiple antennas. In this system model, we concentrate on the single-beam opportunistic ...
Combined effects of treated domestic wastewater, fly ash, and calcium nitrite toward concrete sustainability
(
Elsevier
, 2021 , Article)
The drastic increase in freshwater and ordinary Portland cement (OPC) consumption poses severe environmental and economic challenges worldwide. This study; therefore, explores the mechanical and durability properties of ...
State-of-the-art review on sustainable design and construction of quieter pavements-Part 1: Traffic noise measurement and abatement techniques
(
Multidisciplinary Digital Publishing Institute (MDPI)
, 2016 , Article)
Noise pollution due to highway traffic has drawn the attention of transportation agencies worldwide. Noise pollution is an irritant to residents, especially in urban areas near roads with high traffic volume. In addition ...
Italo-Australian Transnational Houses: Culture and Built Heritage as a Tool for Cultural Continuity
(
Scientific & Academic Publishing
, 2015 , Article)
(The Problem) The classical theorist Vitruvius celebrates architecture as an expression of societies’ cultural factors where culture has a determinant role in shaping built forms. Despite this notion of architecture has ...
An Approach for Adjusting the Laboratory-Determined Dynamic Modulus Master Curve of Asphalt Layers Based on Falling Weight Deflectometer Measurements
(
Hindawi
, 2023 , Article)
Structural assessment is critical for designing asphalt pavement overlays, estimating the remaining life of pavements, and selecting an appropriate rehabilitation strategy for existing pavements. The falling weight ...
Acidity's Impact on Yield, Morphological Structure, and Surface Functionalities of Polyaniline Synthesised via Oxidative Polymerisation
(
Penerbit Universiti Sains Malaysia
, 2023 , Article)
This research aimed to examine how varying the acidity levels during the chemical oxidative polymerisation (COP) of aniline affects the colour, yield, morphology, and surface functionalities of polyaniline (PANI). In the ...
Use of local discarded materials in concrete
(
Elsevier
, 2014 , Article)
Steel slag, a by-product of steel manufacturing, is generated in large quantities in Qatar. In fact, it is estimated that more than 400,000tons of steel slag are generated annually in the country. Gravel, resulting from ...
Vibration of Periodic Drill-Strings with Local Sources of Resonance
(
Multidisciplinary Digital Publishing Institute (MDPI)
, 2021 , Article)
A new class of drill-strings is proposed for attenuating undesirable vibrations to ensure effective operation. The drill-string is provided with passive periodic inserts, which are integrated with sources of local resonance ...
Performance Analysis of Resource Allocation in THz-Based Subcarrier Index Modulation Systems for Mobile Users
(
Institute of Electrical and Electronics Engineers Inc.
, 2021 , Article)
The recent demand for connections to a huge number of users with very high data rates have motivated research communities to investigate communications into the higher frequency bands, such as millimeter waves and TeraHertz ...
Exploration of Sustainable Urban Qualities of Al Sadd Area in Doha
(
Scientific & Academic Publishing
, 2016 , Article)
This research focuses on the contributions made to social sustainability, firstly by the functionality of urban
spaces in Qatar, as defined by their physical form, and secondly by the socio-cultural attributes of those ...