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2000 articles for “Al” (ranking capped at the first 2,000 matches — narrow the search to see the rest)
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Useful Medicinal Operative: Innovative Formulation of Zoloft
Abstract: A highly effective antidepressant is active metabolite hydrochloride. Zoloft is one of those drugs with one or even more asymmetrical centres where the biological effects of the isomers vary significantly from one another. Depression, dependence, and other anxiety-related illnesses are all treated with sertraline hydrochloride, which selectively blocks serotonine reuptake. The preferred configurations should typically be created as early as feasible in the biosynthesis of sertraline, which has two asymmetric …
Published in International Journal of Composite Materials and Matrices · Vol. 8, Issue 1, 2022 · pp. 19–22 Read article
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Mesomorphic Study of Achiral Hockey Stick- shaped Imine Linked Thiadiazole Compounds
Abstract: Achiral hockey stick-shaped molecules are a new extended set for calamitic rod-like liquid crystals,thiadiazole with Incorporation of a nitrogen linkage to the basic structures of a compound will acquaint another new property called photochromism along with liquid crystal because of the photo-isomerization of the -C=N linkage. Now, assuming such compounds also show the liquid crystalline property, then they will become multi-functional due to their photochromic property which might be taken …
Published in International Journal of Composite Materials and Matrices · Vol. 8, Issue 2, 2022 · pp. 41–50 Read article
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Flexural Properties of Vetiver Fiber Reinforced Polyethylene Composite are Affected by Processing Parameters
Abstract: Fiber reinforced polymer composites have long been influential in a variety of applications due to their great particular strength and modulus. Vetiver fiber (VF)/thermoplastic composites are an alternative material for solving the environmental pollution problem related to synthetic polymers. The benefits of natural fibers (such as coir, jute, vetiver, calotropis gigantea, flax, hemp, kenaf, etc.) over traditional reinforcing fibers (glass and carbon fiber) are their easy obtainability, renewability, non-corrosive nature, …
Published in International Journal of Composite Materials and Matrices · Vol. 9, Issue 1, 2023 · pp. 12–20 Read article
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EFFECT OF HEAT AGEING ON MECHANICAL PROPERTIES OF POLYAMIDE 6(NYLON 6) & POLYAMIDE 12(NYLON 12)
Abstract: Polyamide 6 or Nylon 6(PA 6) and polyamide 12 or Nylon 12 (PA 12) are well known engineering semi-crystalline polar polymers characterized by the presence of amide linkage (-CONH-) in the repeating units of their chains. The glass transition temperature (Tg) of PA 6 and PA 12 is ~50 °C and ~37 °C respectively. PA 6 is widely used for gears and bearings, fittings in automobile industry for under hood …
Published in International Journal of Polymer Science and Engineering · Vol. 2, Issue 2, 2016 · pp. 1–12 Read article
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MODELLING OF SAW PARAMETERS AND ITS MECHANICAL PROPERTIES FOR JOINING STRUCTURAL STEELS
Abstract: Ethiopia nearly 85 per cent of people is morality depends on agriculture; the government of Ethiopia emphasis on Farm Mechanization for bringing the improvement in crop production using modern equipment and tools. However, the Modern equipment development needs improved machineries for fabrication. Moreover, the metal joining technology; like Submerged Arc Welding (SAW) available is very advance and made welding of thicker plats and welded structures. Therefore, while using this modern …
Published in International Journal of Polymer Science and Engineering · Vol. 4, Issue 2, 2018 · pp. 34–43 Read article
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A Detailed Lumped Model for Vinyl Acetate Emulsion Polymerization
Abstract: Abstract A mathematical model was developed to simulate emulsion polymerization of vinyl acetate monomer in isothermal, batch and semi-batch reactors. The recipe components included monomer (vinyl acetate), initiator (potassium persulfate), surfactant (sodium dodecyl sulfate) and water as the dispersion medium. The two important phenomena, particle nucleation and particle growth, were modeled in adequate detail. The mechanistic details included: particle formation via micellar nucleation; coupling of the radical concentration in the …
Published in International Journal of Polymer Science and Engineering · Vol. 5, Issue 1, 2019 · pp. 1–12 Read article
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Investigation on Catalyst Selection for Polymerization Processes in Petrochemical Industries
Abstract: Organic polymers are long-chain compounds made of several repeating units. These polymers are either natural, such as protein, cellulose, starch or synthetic, such as polyethylene (a plastic), polyesters and polyamides (plastics and fibers) and polybutadiene (rubber).Many organic compounds possessing multiple bonds have the tendency to polymerize in the presence of an initiator. Polymerization of these compounds can either be affected by the use of chemical initiators such as free radicals …
Published in International Journal of Polymer Science and Engineering · Vol. 6, Issue 2, 2020 · pp. 12–16 Read article
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Development of PVC Flute and Acoustic Testing for Commercial Production
Abstract: Flute is a musical instrument generally made of bamboo. Bamboo flute has less life and high price. Thus more durable material can be used which cannot be affected by environment. The PVC is most popular material which possesses these qualities and also cost effective. However, it should produce same pitch quality. This work focused on an idea to develop a high quality PVC pipe flute. A simple drill is used …
Published in International Journal of Polymer Science and Engineering · Vol. 7, Issue 1, 2021 · pp. 27–34 Read article
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Studies on Effect of Organoclay and Melamine Powder on Flexible Polyurethane Foam for Aerospace Applications
Abstract: Flexible polyurethane foam (PU) is a suitable candidate for various aerospace applications like acoustic insulation due to its high flexibility, ease of processing, etc. But one of the major disadvantages of this foam is low flammability resistance. The aim of this study is to improve the flame resistant properties of flexible PU foam through incorporation of additives. Flexible polyurethane foams were synthesized through one shot process with organically modified nanoclay …
Published in International Journal of Polymer Science and Engineering · Vol. 7, Issue 2, 2021 · pp. 15–26 Read article
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Study of Heavy Metal ion adsorption from Synthetic Wastewater with the help of biomass and analysis of Mathematical Model
Abstract: The biofilm matrix is a mixture of secreted polymers, metabolites and nutrients ingested, lysis solution products, and even particle debris. This matrix, which is polyanionic by nature, is essential for the activated carbon of metal cations. In this study, the heavy metal adsorption mechanism in biofilms is modelled in one spatial dimension. The numerical method is a free-boundary value issue for nonlinear parabolic and quadratic partial differential equations. Parabolic equations …
Published in International Journal of Polymer Science and Engineering · Vol. 8, Issue 1, 2022 · pp. 45–56 Read article
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Study of PLA and its Synthesis Kinetics
Abstract: In this project we studied about Polylactic Acid and its production kinetics. The most often found optically active hydroxycarboxylic acid is lactic acid (LA, also known as 2-hydroxypropionic acid). In the form of L-and D-Lactic Acid, this chiral molecule may be found. The building blocks of polylactide are carboxylic acid monomers produced by fermentation of sugars from renewable sources, such as sugar cane, beet root, or corn starch. These sugars …
Published in International Journal of Polymer Science and Engineering · Vol. 8, Issue 1, 2022 · pp. 16–27 Read article
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Performance Calculation of a Gas Plant Compressor Unit
Abstract: This research was centered on calculating the performance of a gas plant compressor unit which was achieved using Tunu Booster Station facility. The results shows that the ability of the compressor, isentropic efficiency and coefficient of performance of the compressor gave values of 33899kw, 0.83 and 1.2. The deviations from the existing plant values were 35.6%, 31.7% and 20% respectively. Other parameters that were considered and evaluated include the failure …
Published in International Journal of Polymer Science and Engineering · Vol. 8, Issue 2, 2022 · pp. 13–24 Read article
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Charge Infusion in Organic Device: With and Without SWCNTs
Abstract: In nanotechnology field, invention of single walled carbon nanotubes (SWCNTs) is a noteworthy development. It creates the door for advanced development in scientific field. Due to their appealing mechanical, electrical, and thermal properties, SWCNTs have multivarious usages. In this work, we have examined and predicted how SWCNT will affect the device performance in which Thionine dye is intercalated between Indium Tin Oxide (ITO) coated glass and aluminium (Al) to form …
Published in International Journal of Polymer Science and Engineering · Vol. 9, Issue 1, 2023 · pp. 26–31 Read article
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Analysis of Savonius Wind Turbine for Air Striking At Different Angles
Abstract: The global small wind turbine (SWT) market has been on the upswing in the last five years. The main drivers of this growth are the demand-supply gap in energy, increasing fossil fuel prices, improved small wind turbine technology and the diverse application to which it can be put to both ‘grid-tied’ and ‘stand-alone’ system. The market for SWT technology is growing in India also, and may require market drivers like …
Published in International Journal of Mechanics and Design · Vol. 2, Issue 2, 2016 · pp. 14–19 Read article
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Stress Intensity Factor in Artificially Damaged Structures
Abstract: The presence of cracks in macrostructures creates heterogeneity which manifests itself by a change of the state of stress and strain in the structure. A crack in vibrating structures can lead to premature failure if it is not detected in time. Researchers have been working on the dynamics of cracked structures for decades to be able to monitor the structure and diagnose that fault at the earliest possible stage. In …
Published in International Journal of Mechanics and Design · Vol. 3, Issue 1, 2017 · pp. 18–20 Read article
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Fracture and crack propagations in plates - A review
Abstract: The development and applications of the boundary based finite element technique for fractured mechanics analysis are reviewed. Also, some researchers used the complex variable method and least boundary allocation method. In this method, most researcher investigated the 2-D isotropic, anisotropic and orthotropic materials for makes different types of plate such like this rectangular and circular with various cracks and hole cut-outs and these plates are used different types of bi-axial …
Published in International Journal of Mechanics and Design · Vol. 4, Issue 1, 2018 · pp. 1–14 Read article
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Experimental and Finite-Element Analysis of Tee Joint’s Stiffness Characteristics of A3003 Honeycomb Core Sandwich Panels
Abstract: Aluminum honeycomb is used as a core material for sandwich panels of floors, roofs, doors, partitions, working surfaces for automatic machines, and for all products which require high degree of flatness and optimal stiffness-to-weight ratio. Invariably, in the fabrication of the above panels, butt and tee joints are encountered so as to get the required complex shapes. In this paper, various edging and configuration details that have been used to …
Published in International Journal of Mechanics and Design · Vol. 4, Issue 2, 2018 · pp. 21–29 Read article
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Solar passive building cooling - Recent trends and novel approaches
Abstract: Global warming is one of the major threats that mankind faces in the 21th century. About 40% of global energy consumption and Green House Gas (GHG) emissions are accounted by buildings and they play a vital role in global warming. Estimates show that their damaging influence will grow by 1.8% per year through 2050, which specifies that future usage and emissions will be worse than today. Therefore, the necessity of …
Published in International Journal of Mechanics and Design · Vol. 5, Issue 1, 2019 · pp. 10–23 Read article
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Hardened Steel an Appliance with Low Degeneration
Abstract: Combination of high hardness, toughness, and strain hardening capacities with reasonable ductility have privileged Hadfield steel in sectors such as mining, transportation, military, agricultural and earthmoving equipment. Micro- porosities formation during casting by last solidifying liquids at inter-dendritic spaces in directional solidification have been insidious crack initiators during service exposure. Particulate penetration resistant wear part surfaces for secondary and tertiary crushers are found to add chromium and vanadium prone to …
Published in International Journal of Mechanics and Design · Vol. 5, Issue 2, 2019 · pp. 56–60 Read article
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Design and Fabrication of Drainage Water Filter
Abstract: For this project, the idea of the proposal is to replace the manual work on drainage water filtration and cleaning with an automated system. We know that water has great value to human health, drainage is full of waste such as polythene, bottles, etc. The drains are shut off due to this dirt in the water. The drains are used for dumping and unfortunately sometimes there can be a loss …
Published in International Journal of Mechanics and Design · Vol. 6, Issue 1, 2020 · pp. 6–11 Read article