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Now showing items 19815-19834 of 51431
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Pilot-scale investigation of flowrate and temperature influence on the performance of hollow fiber forward osmosis membrane in osmotic concentration process
( Elsevier Ltd , 2020 , Article)Forward osmosis (FO) relying on the osmotic pressure difference across semi-permeable membrane draws permeate by the effect of saline draw solution (DS) turning diluted and leaving the feed solution (FS) concentrated. ... -
Pilot-Scale Investigation of Osmotic Concentration for Reducing Wastewater Injection Volumes in Qatari Gas Fields
(2020 , Master Thesis)In the past 10 years, forward osmosis (FO) has been capturing the attention as a low-energy membrane technology for wastewater reclamation. FO relies on the osmosis phenomenon from osmotic pressure difference across ... -
Pilot-scale petroleum refinery wastewaters treatment systems: performance and microbial communities' analysis
( Elsevier , 2020 , Article)This study evaluated firstly the performance of the Continuous Stirred Tank bioReactor system (CSTR) for the treatment of highly toxic petroleum refinery wastewaters at the pilot-scale. The reduction of the COD, BOD5, ... -
Pilot-scale spiral wound membrane assessment for THM precursor rejection from upland waters
( Taylor and Francis Inc. , 2016 , Article)The outcomes of a pilot-scale study of the rejection of trihalomethanes (THMs) precursors by commercial ultrafiltration/nanofiltration (UF/NF) spiral-wound membrane elements are presented based on a single surface water ... -
Pilot-scale spiral wound membrane assessment for THM precursor rejection from upland waters
( Taylor & Francis , 2016 , Article)The outcomes of a pilot-scale study of the rejection of trihalomethanes (THMs) precursors by commercial ultrafiltration/nanofiltration (UF/NF) spiral-wound membrane elements are presented based on a single surface water ... -
Pilot-scale study on the suspension of drill cuttings: Effect of fiber and fluid characteristics
( Elsevier , 2022 , Article)Drilling operation smoothness is essential to minimize drilling non-productive time (NPT). Inadequate cuttings transport can result in cuttings bed build-up in the wellbore low side, jeopardizing the whole drilling operation. ... -
Pinctada radiata (pearl oyster): A bioindicator for metal pollution monitoring in the Qatari waters (Arabian Gulf)
( Springer Nature , 1998 , Article)Bivalves are extensively used in monitoring programmes in the marine environment due to their ability to concentrate pollutants to several orders of magnitude above ambient levels in sea water. Commonly, the levels of ... -
The PiP model and progress in ground vibration from railways
( Australian Acoustical Society , 2017 , Conference Paper)Vibration in the ground causes problems. At large amplitude vibration causes damage, the most obvious example being earthquake damage. But the ground motion in a damaging earthquake is typically low-frequency (below 1Hz) ... -
Piracy in the Horn of Africa Waters: Definitions, History, and Modern Causes
( Taylor & Francis (Routledge) , 2015 , Article)Throughout history, ocean piracy was common in different parts of the world, but it was rare in the Horn of Africa waters. Although international law clearly defines piracy, the term is often carelessly used interchangeably ... -
Piroxicam loaded polymer hybrid microspheres based tablets with modified release kinetics: Development, characterization and in vivo evaluation
( Pakistan Journal of Pharmaceutical Sciences , 2021 , Article)Piroxicam (PC) is a non-steroidal anti-inflammatory drug characterized by poor aqueous solubility and reported to cause and impart crucial GIT irritation, bleeding, peptic and duodenal ulcer. Engineering of PC ... -
Pistacia lentiscus by-product as a promising source of phenolic compounds and carotenoids: Purification, biological potential and binding properties
( Elsevier , 2021 , Article)The hydro-distilled leaves of Pistacia lentiscus are considered as an agricultural residue and of no commercial value yet. In this study, chromatographic purification of a methanolic fraction of P. lentiscus L. (lentisk) ... -
Pistacia lentiscus L. Distilled Leaves as a Potential Cosmeceutical Ingredient: Phytochemical Characterization, Transdermal Diffusion, and Anti‐Elastase and Anti‐Tyrosinase Activities
( MDPI , 2022 , Article)The present work was performed to investigate the phenolic composition of P. lentiscus L. distilled leaves (PDL) and examine its potential against certain key enzymes related to skin aging. High‐pressure liquid chromatography ... -
Pit initiation mechanism of modified martensitic 13Cr stainless steel exposed to CO2 saturated acidic environments at elevated temperatures induced by Ti(C,N) inclusions
( Elsevier , 2024 , Article)The influence of temperature (25, 75, and 150 °C) on the passivation behavior of Modified Martensitic 13Cr Stainless Steel (M13Cr) in CO2 saturated acidic salt brine environments was investigated. The material was found ... -
Piton: Investigating the Controllability of a Wearable Telexistence Robot
( MDPI , 2022 , Article)The COVID-19 pandemic impacted collaborative activities, travel, and physical contact, increasing the demand for real-time interactions with remote environments. However, the existing remote communication solutions provide ... -
PLA-TiO2 nanocomposites: Thermal, morphological, structural, and humidity sensing properties
( Elsevier Ltd , 2018 , Article)In this paper, the effect of TiO2 ceramic nanoparticles on the thermal stability, morphology, molecular mass, structure and electrical properties of the polylactic acid-Titanium dioxide (PLA-TiO2) composites, aimed for ... -
Place and Space of Global Sport in the Gulf Region: Promotion, Development and Identity Narratives
( Springer , 2021 , Book chapter)The reorganisation (or regeneration) of the urban space around the sport theme in cities such as Doha, Dubai and Manama, aims to offer citizens and residents a “spectacular” sporting experience. Furthermore, it offers ... -
Place-making of transit towns in Qatar: The case of qatar national museum-souq waqif corridor
( MDPI , 2021 , Article)Over the last two decades, Doha, the capital city of Qatar, has undergone rapid urbaniza-tion. The city has capitalized large-scale urban and infrastructural projects resulting in a loss of his-torical areas of heritage ... -
Placement and Capacity of EV Charging Stations by Considering Uncertainties with Energy Management Strategies
( Institute of Electrical and Electronics Engineers Inc. , 2023 , Article)At the present context, Plug-in electric vehicles (PEVs) are gaining popularity in the automotive industry due to their low CO2 emissions, simple maintenance, and low operating costs. As the number of PEVs on the road ... -
Placement of electric vehicle fast charging stations in distribution network considering power loss, land cost, and electric vehicle population
( Taylor and Francis Ltd. , 2022 , Article)Recently, electric vehicles (EVs) gained tremendous attention from government agencies and the automotive industry due to lower CO2 emissions, low maintenance, and operating costs. However, due to increasing EV penetration, ... -
Placement of Electric Vehicle Fast Charging Stations using Grey Wolf Optimization in Electrical Distribution Network
( Institute of Electrical and Electronics Engineers Inc. , 2022 , Conference Paper)Automotive industries and government organizations are paying close attention to electric vehicles (EVs) because of their lower CO2 emissions, cheap maintenance, and operating costs. As the number of EVs on the road grows, ...