تصفح Research Units حسب العنوان
السجلات المعروضة 1659 -- 1678 من 4700
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Experimental determination of carbamate formation and amine protonation constants in 3-amino-1-propanol-CO2-H2O system and their temperature dependency
( Elsevier , 2015 , Article)The equilibrium constant for the formation of carbamate in 3-amino-1-propanol-CO2-H2O system was evaluated at different CO2 loadings, different temperature values, and different amine protonation constant. The studied ... -
Experimental evaluation of stochastic configuration networks: Is SC algorithm inferior to hyper-parameter optimization method?
( Elsevier Ltd , 2022 , Article)To overcome the pitfalls of Random Vector Functional Link (RVFL), a network called Stochastic Configuration Networks (SCN) has been proposed. By constraining and adaptively selecting the range of randomized parameters using ... -
An experimental investigation into mechanical behavior of hybrid and nonhybrid composite semi-elliptical springs
( Elsevier, Ltd , 2013 , Article)This study introduces a new composite semi-elliptical suspension spring by utilizing fiber reinforced composite strength in principal direction instead of shear direction. Three types of composites were tested, namely, ... -
Experimental investigation of volume fraction in an annulus using electrical resistance tomography
( Society of Petroleum Engineers , 2019 , Conference Paper)Horizontal drilling technology has shown to improve the production and cost-effectiveness of the well by generating multiple extraction points from a single vertical well. The efficiency of hole cleaning is reduced because ... -
Experimental investigation on solar still with nanomaterial and dripping arrangement
( Bellwether Publishing, Ltd. , 2020 , Article)The scarcity of potable water for drinking purpose is everywhere in the world. The solar still can be used to provide potable water for the drinking purpose, but it has a daily yield of 3 litres/day. The experimental ... -
Experimental investigation on the influences of acetone organic compound additives into the diesel/biodiesel mixture in CI engine
( Elsevier Ltd , 2020 , Article)The problems of the depleting the worldwide fossil fuel and increasing concern on the environmental regulations force the researchers to look forward to a new source of clean source of energy such as biodiesel. Diesel fuel ... -
Experimental investigation on the thermal properties of NiO-nanofluids
( American Scientific Publishers , 2019 , Article)Performance parameters and thermal stability of lubricants are highly temperature dependent as it degrades twice for every 10 °C of temperature rise. Generally, the nanofluids have enhanced thermo-physical behavior as long ... -
Experimental investigation on the yield of solar still using manganese oxide nanoparticles coated absorber
( Elsevier Ltd , 2021 , Article)Present research expresses an experimental investigation on nanoparticle use to enhance Solar still (SS) yield. Manganese Oxide (MNO2) is selected as a nanoparticle material and used in SS. The nanomaterial is added with ... -
Experimental investigations of atmospheric water extraction device under different climatic conditions
( Elsevier Ltd , 2020 , Article)To help address this emergency, an atmospheric water extracting (AWE) device is developed and investigated as a part of present work. The AWE device is working on vapour compression refrigeration cycle. The air moisture ... -
Experimental investigations on spray flames and emissions analysis of diesel and diesel/biodiesel blends for combustion in oxy-fuel burner
( John Wiley and Sons Ltd , 2019 , Article)Present research work shows the emissions and flame analysis of oxy-fuel combustion of diesel and diesel/biodiesel blends in the experimental test burner manufactured in Mechanical power engineering laboratory at Tanta ... -
Experimental performance investigations on various orientations of evacuated double absorber tube for solar parabolic trough concentrator
( Taylor and Francis Ltd. , 2022 , Article)The parabolic trough concentrator is a widely used concentrator to harness and concentrate on the solar energy. The performance of the parabolic trough concentrator depends upon its various parameters like reflecting ... -
Experimental prediction of the elastic properties of nanocomposite cementitious materials based on nanoindentation measurements
( American Scientific Publishers , 2017 , Article)This paper provides in depth novel exploration of the local mechanical properties of nanocomposite cement using the nanoindentation technique. The elastic properties of carbon nanotubes (CNTs)-reinforced and unreinforced ... -
Experimental studies on the biodiesel production parameters optimization of sunflower and soybean oil mixture and DI engine combustion, performance, and emission analysis fueled with diesel/biodiesel blends
( Elsevier Ltd , 2019 , Article)The influence of diesel/biodiesel blends on engine combustion, performance, and exhaust gas emissions have carried out experimentally at different engine loads and constant speed of 1400 rpm. Volumetric percentage of ... -
Experimental study on combustion, performance, and emission behaviours of diesel /WCO biodiesel/Cyclohexane blends in DI-CI engine
( Institution of Chemical Engineers , 2021 , Article)Waste cooking oil biodiesel is considered a common way to generate clean energy in all countries. It can be used efficiently, like fossil fuel quality. To overcome the problem of poor combustion, an increase in the NOx and ... -
Experimental warming differentially affects vegetative and reproductive phenology of tundra plants
( Nature Research , 2021 , Article)Rapid climate warming is altering Arctic and alpine tundra ecosystem structure and function, including shifts in plant phenology. While the advancement of green up and flowering are well-documented, it remains unclear ... -
Exploration of Carbonate Aggregates in Road Construction using Ultrasonic and Artificial Intelligence Approaches
( Qatar University Press , 2023 , Conference Paper)The COVID-19 pandemic has significantly impacted the construction sector, which is highly sensitive to economic cycles. In order to boost value and efficiency in this sector, the use of innovative exploration technologies ... -
Exploratory study on self-awareness and self-preparedness of Malaysian rail passengers for emergency evacuations
( Elsevier Ltd , 2022 , Article)This study explores the self-awareness and self-preparedness among Malaysian rail passengers during potential emergency evacuations. A questionnaire survey was carried out at a major rail transit terminal in Kuala Lumpur, ... -
Exploring Crowd Management and Evacuation Strategies using Microscopic Pedestrian Simulation: A Case Study of Souq Waqif
( Qatar University Press , 2023 , Conference Paper)Safe egress plans are critical for crowd evacuation at touristic attractions, particularly during special events, as visitors are often unaware of their options. Identification of bottlenecks in the walking spaces are vital ... -
Exploring Dysregulated Signaling Pathways in Cancer.
( Bentham Science Publishers , 2020 , Article Review)Cancer cell biology takes advantage of identifying diverse cellular signaling pathways that are disrupted in cancer. Signaling pathways are an important means of communication from the exterior of cell to intracellular ... -
Exploring home-to-school trip mode choices in Kandy, Sri Lanka
( Elsevier , 2022 , Article)Schools are major trip generators in urban areas and school trips may largely contribute to the congestion, particularly during morning peak hours. This study investigates the home-to-school trip mode choices in Kandy city, ...
