تصفح Mechanical & Industrial Engineering حسب العنوان
السجلات المعروضة 1114 -- 1133 من 1302
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Stakeholder's perception of service quality: a case in Qatar
( Emerald Group Holdings Ltd. , 2019 , Article)Purpose: The purpose of this paper is to investigate and report students' perception of service quality in a university by examining the perceptual context of service quality with respect to students' loyalty behavior, ... -
Stakeholders' roles in virtual project environment: A case study
( Elsevier , 2011 , Article)The rising cost of resources within an organization, increasing capability of information technology, the need to conduct project at different places and availability of competent and inexpensive manpower elsewhere have ... -
Stakeholder’s perception of service quality: a case in Qatar
( Emerald Group Publishing Ltd. , 2019 , Article)Purpose The purpose of this paper is to investigate and report students’ perception of service quality in a university by examining the perceptual context of service quality with respect to students’ loyalty behavior, ... -
Standing Wheelchair with Built-in Climate Control System
( Qatar University Press , 2021 , Poster)This project presents an innovation to be developed in wheelchairs used nowadays to provide its users with better life quality, elevates the level of their ambitions and to enable them to overcome today's special needs ... -
Static fracture and modal analysis simulation of a gas turbine compressor blade and bladed disk system
( Springer , 2016 , Article)This paper presents a methodology for conducting a 3-D static fracture analysis with applications to a gas turbine compressor blade. An open crack model is considered in the study and crack-tip driving parameters are ... -
Statistical and optimize of lattice structures with selective laser melting (SLM) of Ti6AL4V material
( Springer Verlag , 2018 , Article)© 2018, Springer-Verlag London Ltd., part of Springer Nature. This paper investigates the properties of titanium alloy (Ti6Al4V) lattice structures fabricated via selective laser melting (SLM). Response surface method (RSM) ... -
Stem cell-based approaches in cardiac tissue engineering: controlling the microenvironment for autologous cells
( Elsevier , 2021 , Article)Cardiovascular disease is one of the leading causes of mortality worldwide. Cardiac tissue engineering strategies focusing on biomaterial scaffolds incorporating cells and growth factors are emerging as highly promising ... -
Stem cells based in vitro models: Trends and prospects in biomaterials cytotoxicity studies
( IOP Publishing Ltd , 2021 , Article)Advanced biomaterials are increasingly used for numerous medical applications from the delivery of cancer-targeted therapeutics to the treatment of cardiovascular diseases. The issues of foreign body reactions induced by ... -
Stochastic analysis of interphase effects on elastic modulus and yield strength of nylon 6/clay nanocomposites
( Springer Netherlands , 2019 , Article)The multifunctional properties of polymer clay nanocomposites (PCNs) can be related to the interaction of clays, polymer and interphase region. Several experimental, analytical and numerical studies have been conducted to ... -
Stochastic Capacity Acquisition and Allocation Model for Bandwidth Brokers under Fuzzy Volume Based Pricing Scheme
( Taylor and Francis Ltd. , 2016 , Article)In this paper, bandwidth acquisition and allocation problem of a telecommunications Bandwidth Broker (BB) is analyzed under uncertain end-user capacity requests and pay-per-byte (volume) based pricing policy. Furthermore, ... -
Stochastic fuzzy multi-objective backbone selection and capacity allocation problem under tax-band pricing policy with different fuzzy operators
( Springer Verlag , 2017 , Article)In this paper, we investigate a multi-objective optimization problem that a telecom bandwidth broker (BB) faces when acquiring and selling bandwidth in an uncertain market environment in which there exists several backbone ... -
Storage of energy harvested from a miniature turbine in a novel organic capacitor
( Elsevier Ltd , 2016 , Article)The potential of harvesting energy generated from a (5-cm) miniature wind turbine and storing the charge in a novel organic capacitor is experimentally investigated. The energy is generated by subjecting the wind turbine ... -
Strain gradient based dynamic response analysis of heterogeneous cylindrical microshells with porosities under a moving load
( Institute of Physics Publishing , 2019 , Article)Forced vibration of a porous functionally graded (FG) cylindrical microshell due to a moving point load with constant velocity is studied for the first time. Through the thickness of microshell, there are even-type or ... -
Strain, Pressure, Temperature, Proximity, and Tactile Sensors from Biopolymer Composites
( Elsevier Inc. , 2017 , Book chapter)The ultimate biodegradability and eco-friendly usage have made the biocomposite materials applicable in almost every area of science, technology, and industry. Sensors are a prominent field of electronics and many composites ... -
Strategies of enzyme immobilization on nanomatrix supports and their intracellular delivery
( Taylor and Francis Ltd. , 2020 , Article)Enzymes are one of the foundations and regulators for all major biological activities in living bodies. Hence, enormous efforts have been made for enhancing the efficiency of enzymes under different conditions. The use of ... -
Stress analysis in functionally graded rotating disks with non-uniform thickness and variable angular velocity
( Elsevier , 2016 , Article)Stress field in functionally graded (FG) rotating disks with non-uniform thickness and variable angular velocity is studied numerically. The elastic modulus and mass density of the disks are assumed to be varying along the ... -
Striking multiple synergies in novel three-phase fluoropolymer nanocomposites by combining titanium dioxide and graphene oxide as hybrid fillers
( Springer New York LLC , 2017 , Article)In this study, novel three-phase polymer nanocomposites comprising of polyvinylidene fluoride (PVDF), titanium dioxide (TiO2) nanoparticles and graphene oxide (GO) were prepared using colloidal blending. The PVDF/TiO2/GO ... -
Stromal cell-derived factor loaded co-electrospun hydrophilic/hydrophobic bicomponent membranes for wound protection and healing
( Royal Society of Chemistry , 2020 , Article)Chronic wounds are one of the key concerns for people with diabetes, frequently leading to infections and non-healing ulcers, and finally resulting in the amputation of limbs/organs. Stromal cell-derived factor 1 (SDF1) ... -
Structural and morphological study of mechanochemically synthesized crystalline nanoneedles of Zr-doped carbonated chlorapatite
( Elsevier B.V. , 2015 , Article)Nanosize Zr-doped carbonated chlorapatite (n-ZCCA) was developed as a novel bioceramic by a ball milling process. Results showed that the microstructural characteristics of the product were affected significantly by the ... -
Structure and Rheological Properties of Bovine Aortic Heart Valve and Pericardium Tissue: Implications in Bioprosthetic and Tissue-Engineered Heart Valves
( Hindawi Limited , 2019 , Article)Heart valve (HV) diseases are among the leading causes of cardiac failure and deaths. Of the various HV diseases, damaged HV leaflets are among the primary culprits. In many cases, impaired HV restoration is not always ...
