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السجلات المعروضة 20078 -- 20097 من 51066
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Positron annihilation and ion beam analysis of ion-bombardment-induced hydrogen release and oxidation of ultra high molecular weight polyethylene
( Elsevier , 2007 , Article)Ultra high molecular weight polyethylene was bombarded with He+ and Ar+ ions to fluences ranging from 1013 to 2×1016 ions/cm2. Rutherford backscattering and nuclear reaction analysis were applied to study mechanism of ... -
Positron annihilation lifetime study of helium ions implanted polyethylene blends
( Trans Tech Publications Ltd , 2004 , Conference Paper)The structural defects of linear low density polyethylene (LLDPE) and high density polyethylene (HOPE) blends implanted with helium ions were investigated using position annihilation lifetime (PAL) technique. The positron ... -
Positron annihilation lifetime study of pure and treated polyvinyl chloride
( scientific.net , 1997 , Article)Positron annihilation lifetime technique (PAL) has been applied to investigate the behavior of the free volume in pure and doped polyvinyl chloride (PVC) as a function of Pb concentration and temperature. It is noticed ... -
Positron annihilation studies of the effect of gamma irradiation dose in polymers
( Elsevier Ltd , 2003 , Conference Paper)Positron annihilation lifetime (PAL) technique has been applied to study the effect of gamma irradiation dose on the structure of low-density polyethylene and polystyrene. The positron annihilation lifetime measurements ... -
Positron annihilation study on polyaniline nanocomposite used for Pb(II) ion removal
( Taylor & Francis , 2016 , Article)Nanocomposites of polyaniline (PANI) with three different concentrations of micrometre-sized sawdust are prepared in aqueous media via chemical casting method at room temperature. Thereafter, the removal efficiency of the ... -
Possible effect of Merger and Acquisition on Brand Equity: A case study of IT industry
( International Business Academics Consortium (iBAC) , 2017 , Article)This study focuses on how mergers and acquisitions (M&A) affect the consumer's buying behavior, specifically the consumer's perception, of both the parent and acquired brand in the IT industry. The empirical test of the ... -
Possible effect of video lecture capture technology on the cognitive empowerment of higher education students: A case study of gulf-based university
( Inderscience Publishers , 2016 , Article)E-learning concept is becoming a vital need for higher and lower education students. It has been observed from the interaction with students of gulf region that they have challenges with the online method of knowledge ... -
Possible effect on the perception and attitude of employees after adoption of new information technology and business strategies: a case study of Namibia
( Inderscience , 2021 , Article)Technology adoption and upgradation are the two required aspects for any organisation to create a niche in the marketplace. It is an undeniable fact that this venture could not be completed successfully without the active ... -
Possible effects of emoticon and emoji on sentiment analysis web services of work organisations
( Inderscience Enterprises Ltd. , 2019 , Conference Paper)Work organisations are increasingly interested in using sentiment analysis algorithms to get rapid feedback from microblogging platforms such as Twitter. However, real-life posts can differ from the training data. The ... -
The Possible Effects of Some Mineral Nutrients and Industrial Chemical Effuents on Wild Plants in Central Sudan
( Qatar University , 2006 , Article)The effects of some mineral nutrients and industrial chemical effluents from a textile factory and tanning activities on the growth and distribution of Typha angustata, Cyperus laevigatus. Paspalum viginatum, Cassia senna ... -
Possible evidence for the existence of a hairy layer at the surface of polymer latex particles
( John Wiley & Sons, Ltd. , 1998 , Article)In this work, an attempt is made to verify the existence of a hairy layer at the surface of polymer latex particles, and determine its thickness under different conditions. Two systems have been studied. In one system, ... -
Possible impact of e-commerce strategies on the utilisation of e-commerce in Nigeria
( Inderscience Enterprises Ltd. , 2018 , Conference Paper)The unmet need for technology spread in Nigeria has been purporting efficient planning and implementation of strategies in order to increase the spread of e-commerce. The present study is such a venture to know the extent ... -
Possible impact of video lecture capture as an e-learning tool: a case study of higher education of Republic of Korea
(2024 , Article)The world has been advancing by embedding latest techniques in all walks of life. Academia is also following the suit by tailoring the technologies as per the need of the students/learners. However, there are no commonly ... -
Possible Ionic Effects of NaCl on Two Mexican Wheat Cultivars
( Qatar University , 2005 , Article)The effect of NaCl on growth and physiology of two Mexican wheat (Triticum asestivum L) cultivars (Cajeme: salt tolerant, and Yecora: salt sensitive) was compared with that of other osmotic agents, Na2SOa (ionic compound) ... -
Possible linkage between internet addiction, socio-demographic, and behavioural constructs: a case study of Saudi Arabia and Bahrain-based employees
( Inderscience , 2020 , Article)Internet addiction (IA) is much sought after concept in the present-day human lives in which technology has emerged as a vital part. The ever-growing role of internet technology also accrues to a sizable amount of problems ... -
A possible role for inducible arginase isoform (AI) in the pathogenesis of chronic venous leg ulcer
( Wiley , 2020 , Article)Chronic venous ulcer (CVU) is a major cause of chronic wounds of lower extremities and presents a significant financial and resource burden to health care systems worldwide. Defects in the vasculature, matrix deposition, ... -
POSSIBLE USAGE OF VARIABLE REFRIGERANT FLOW IN ARID CLIMATE: TECHNICAL AND MANAGEMENT PERSPECTIVE
(2022 , Master Thesis)All over the world, there is a call to encourage sustainable energy thinking and implementation. In the heating, ventilation and air conditioning field, the rise of the variable refrigerant flow systems has made a big ... -
Post 2022 FIFA World Cup in the State Qatar: Urban Regeneration Strategies for Doha
( Henry Stewart Publications , 2018 , Article)2022 FIFA World Cup is a vital event which will occur in Doha -capital city of the State of Qatar- and shape its present and future urban growth. The capital-city is rapidly developing towards the success of this mega-event ... -
Post fault operation of a dual matrix converter fed open-end load
( Institute of Electrical and Electronics Engineers Inc. , 2015 , Conference Paper)This paper investigates the fault tolerant control strategies for a three to five-phase dual matrix converter fed open-end load system. There are two three to five phase matrix converter at both the ends of the load. In ... -
Post K-Pg diversification of the mammalian order Eulipotyphla as suggested by phylogenomic analyses of ultra-conserved elements
( Academic Press Inc. , 2019 , Article)The origin of the mammalian order Eulipotyphla has been debated intensively with arguments around whether they began diversifying before or after the Cretaceous-Palaeogene (K-Pg) boundary at 66 Ma. Here, we used an in-solution ...
