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1978 articles for “L- glycine. apparent molal volume(Фv). density(ρ). ph. Viscosity B- coefficients. etc” (ranking capped at the first 2,000 matches — narrow the search to see the rest)
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Extraction and Purification of Total Phenolic Content (TPC) from Seeds of Citrullus lanatus
Abstract: Citrullus lanatus is commonly known as Watermelon and belongs to Cucurbitaceae family. The phytochemicals are present in every part of the plant. Fruit is edible part of the plant. Watermelon fruit consists of flesh (68%), seeds (2%) and rind approximately 30% of the total mass of the fruit Phenolic compound content levels are very high and acts as anti-oxidants. the seeds also contain phytochemical elements such as alkaloids, flavonoids, tannins, …
Published in Emerging Trends in Chemical Engineering · Vol. 8, Issue 2, 2021 · pp. 19–24 Read article
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Application of Statistical Method to Determine Lithium Battery Capacity for Electric Vehicles
Abstract: In this paper, an empirical method, based on statistical analysis, is proposed to determine correction factor for Li-Po battery capacity calculation. The method uses statistical analysis for the estimation of the battery capacity, using a capacity correction factor previously determined. The method takes into account the effects that the discharge current has on (the) battery capacity. The method has been tested in two types of lithium batteries, Li-ion and LiPo …
Published in Journal of Automobile Engineering and Applications · Vol. 7, Issue 2, 2020 · pp. 25–35 Read article
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Biodiesel Blends in Diesel by Improvement of Cold-Flow Properties of Karanja and Jatropha Biodiesel
Abstract: In this paper performance analysis of blends, Method for improving the cold-flow properties of jatropha and Karanja based biodiesel are described. Biodiesel fuels made from saturated fatty acids will have a greater cloud point and pour point than those obtained from unsaturated fatty acids. Thegoal of this study is to look at the cold flow parameters of 100% biodiesel and biodiesel mixes in diesel engines. The cold flow characteristics of …
Published in Journal of Alternate Energy Sources & Technologies · Vol. 12, Issue 3, 2021 · pp. 1–12 Read article
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Performance Analysis of Bridgeless Converter Based SMPS used for Welding Application
Abstract: Abstract: This paper deals with performance analysis bridgeless converter based switched mode power supply (SMPS) of improved power quality. Power Factor Correction (PFC) based bridge less SMPS having so many applications in the area of welding power supply with IPC. This topology based on the constant voltage output and output current varied according to load changes. In the proposed topology, it is replaced the front end diode bridge rectifier with …
Published in Journal of Electronic Design Technology · Vol. 10, Issue 1, 2019 · pp. 27–33 Read article
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Compact Pseudo-interdigital Bandpass Filter for L-Frequency Band
Abstract: In this paper, a different kind of microstrip bandpass filter is presented which is small in size and easy in fabrication. This microstrip filter is pseudo-interdigital bandpass filter at the operating mid-band frequency of 1.75 Ghz, which is in L-frequency band (1–2 Ghz). Unlike the conventional interdigital bandpass filters, in which we use short circuit connection by a via hole, this filter is simple and compact and its design is …
Published in Journal of Electronic Design Technology · Vol. 4, Issue 1, 2013 · pp. 15–18 Read article
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Effect of Layering of Reinforcement on Bearing Capacity of Shallow Footing Resting on Sand
Abstract: The study was done to investigate the performance of reinforced soil foundation. The construction of reinforced soil foundation has a cost effective alternative to conventional methods. Performance characteristics were improved by using one or more layers of non-woven geotextile placed beneath the footing to create a composite material. The reinforcement in the soil interacts with the soil and is resisted by friction, adhesion or passive / bearing capacity. To study …
Published in Journal of Geotechnical Engineering · Vol. 5, Issue 2, 2018 · pp. 15–19 Read article
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Implementing a GPS, GSM, and Arduino-Based System for Alcohol Detection and Engine Locking
Abstract: The use of alcohol detection and engine locking systems in vehicles has become a crucial area of technological innovation aimed at enhancing road safety and reducing incidents of driving under the influence (DUI). This provides an overview of the functionality, technology, and impact of such systems.Alcohol detection and engine locking systems are sophisticated technologies integrated into vehicles to prevent operation by an intoxicated driver. These systems utilize various methods for …
Published in Journal of Mechatronics and Automation · Vol. 10, Issue 2, 2023 · pp. 34–41 Read article
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Investigation of Local Weighting Materials as a Substitute To Barite In Drilling Mud Formulation
Abstract: Weighting materials are important components needed to increase the density of drilling mud in order to provide enough hydrostatic pressure to balance abnormalpore pressures. In Nigeria, millions of dollars are spent annually in importing barite to serve this purpose. However, there exists large reserves of weighting materials such as barite, hematite, dolomite, calcite, ilmenite in Nigeria hence the need to investigate the suitability of these materials as substitute for imported …
Published in Journal of Materials & Metallurgical Engineering · Vol. 10, Issue 1, 2020 · pp. 39–48 Read article
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Synthesis and Characterization of Nickel doped Barium Niobate Ba (Ni0.5Nb0.5)O3 (BNN) Nanomaterial
Abstract: AbstractFerroelectric materials are of great interest for researchers worldwide, because of their unique physical properties and wide range of applications. The composite nanomaterial Ba(NiNb)0.5O3 (BNN) was synthesized by conventional solid state reaction method. The structural characterization was done by x-ray diffraction (XRD). The research was carried out to investigate structural properties of BNN nanomaterial as a function of sintering duration. BNN was sintered at 10000C and different samples were prepared …
Published in Journal of Microelectronics and Solid State Devices · Vol. 5, Issue 2, 2018 · pp. 29–33 Read article
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Glass Fiber Layer Effect on Chemico-mechanical Properties of Light Cure Adhesive Systems
Abstract: Introduction: Orthodontic adhesives should have clinically acceptable shear and tensile bond strength to withstand masticatory forces and those generated by treatment mechanics. Mechanical properties of the adhesive, such as flexural modulus of elasticity, tensile strength, and compressive strength, are more heavily influenced by the resin matrix's Degree of cure (DC). Aim: The study compares the effect of the Glass fiber layer on Chemico-mechanical properties using three different light cure adhesive …
Published in Journal of Polymer & Composites · Vol. 11, Issue 1, 2023 · pp. 1–9 Read article
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Biopolymer Substitution and Impact on Cuttings Transport of a Lightweight Water-Based Drilling Fluid
Abstract: The aim is to determine the impact of substitution of a local material for another, on rheological properties and hole cleaning capability. A local biopolymer Mucuna solannie was used as a substitute for another biopolymer, Detarium microcarpum, primarily as a viscosifier in a water-based drilling fluid. Tests were carried out using standard equipment and specifications. Variations in transport efficiency and required minimum fluid flow rate at same cuttings concentration (CC) …
Published in Journal of Petroleum Engineering & Technology · Vol. 7, Issue 2, 2017 · pp. 54–64 Read article
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Low Performance of Tenement Rating As a Source of Local Revenue in Nigeria: A Case for Introduction of Property and Land Use Charge
Abstract: The 1999 constitution of federal republic of Nigeria in its fourth schedule 1(j), assigned local government councils in Nigeria exclusive function to assess privately owned houses or tenements for the purpose of levying tenement (property) rates which becomes a source of revenue for the local government councils. Over time, revenue accruing from this major and reliable source of internally generated revenue (IGR) for local government council has continued to dwindle …
Published in Journal of Production Research & Management · Vol. 6, Issue 3, 2016 · pp. 31–36 Read article
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Accidental Eccentricity Demand of Educational Building due to Imposed Load Uncertainty
Abstract: AbstractIn this paper, the accidental eccentricity demand of an educational building due to live load uncertainty is worked out. The various occupancies of an educational building are imposed with suitable intensity of imposed load as per IS 875 provision and for different situations of these loads the maximum shift of centre of mass is evaluated. To define imposed load intensity, gamma probability distribution is used. The values of accidental eccentricity …
Published in Journal of Structural Engineering and Management · Vol. 5, Issue 1, 2018 · pp. 1–4 Read article
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Experiments to Control the Surface-Driven Microfluidic Flow of Dyed Water in Straight PMMA Microchannels Fabricated by Maskless Lithography, Hot Embossing Lithography and Direct Bonding Technique
Abstract: Total six individual straight microchannels are fabricated by maskless lithography, hot embossing lithography and direct bonding technique using author’s own hands-on completely inside the cleanroom laboratory. Polymethylmethacrylate (PMMA) is the selected polymeric material to fabricate these straight microchannels. Dyed water is prepared as working liquid to record and study the microfluidic flow characteristics inside these fabricated microchannels. Air dielectric barrier discharge (DBD) plasma processing is the surface modification technique in …
Published in Journal of Thin Films, Coating Science Technology & Application · Vol. 7, Issue 1, 2020 · pp. 17–23 Read article
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Managing the Resources of LTE Networks using Multi-orthogonal Access based on Deep Learning
Abstract: AbstractOne of the topics discussed in telecommunications systems is joint subcarrier and power allocation in the uplink of an NOMA system that we study. Due to this reason a novel radio resource management framework is presented based on code-domain and a deep learning algorithm for uplink and downlink transmissions, such that the neural network is trained by Bayesian regularization back propagation and the mean squared error )MSE) are the training …
Published in Journal of Telecommunication, Switching Systems and Networks · Vol. 7, Issue 2, 2020 · pp. 19–26 Read article
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Nonlinear Finite Element Analysis of Reinforced Concrete Exterior Beam Column Joint Subjected to Monotonic Loading
Abstract: A numerical analysis of exterior beam-column joint subjected to constant axial load on the column top and monotonic load applied at the beam tip is presented in this work. A strain-based nonlinear finite element program is developed in MATLAB R2009a. The nonlinear analysis of reinforced concrete structural member is carried out considering it as a two-phase system. The concrete in nonlinear range is considered as orthotropic material having different stress-strain …
Published in Recent Trends in Civil Engineering & Technology · Vol. 4, Issue 2, 2014 · pp. 12–21 Read article
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A Remote Sensing Approach for Monitoring Seasonal Variations in the Water Quality of Lake Guaiba, Southern Brazil
Abstract: Freshwater resources in the tropics are subjected to high rate of pollution due to algal blooms during the summer and due to particulate and organic waste discharge from urban areas during spring. Landsat TM images were used to calculate biochemical oxygen demand and turbidity of Lake Guaiba in Southern Brazil during 2010–2011. The results obtained were compared with the values derived from a yearlong sampling data which were analyzed in …
Published in Recent Trends in Civil Engineering & Technology · Vol. 4, Issue 1, 2014 · pp. 1–10 Read article
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Speed Control of An Inverter Fed Three-Phase Induction Motor Using IP Controller Considering Core Loss and Stray Load Loss
Abstract: Consideration of core losses and stray load losses to design a controller of an inverter fed induction motor are affected to the flux and torque decoupling strategy adversely. As a consequence, the detuning of field-oriented control (FOC) is required. The detuning strategies have been developed in some literatures. But the implementation of detuning becomes difficult because of higher order expression. In general, the controlling and estimation of AC drives are …
Published in Trends in Electrical Engineering · Vol. 5, Issue 1, 2015 · pp. 28–35 Read article
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Design and Analysis of Dispersion Flattened Low Loss Photonic Crystal Fiber
Abstract: AbstractThis paper demonstrates the study of triangular lattice hexagonal photonic crystal fiber with GeO2 doped core. The photonic crystal fiber (PCF) studied in this research work has a core doped with 97% molar concentrated GeO2 with seven layers of air-capillaries around the core. The design and analysis of optical characteristics, i.e., dispersion, confinement loss, and effective area have been studied extensively for optimizing the structure for a certain range of …
Published in Trends in Opto-electro & Optical Communication · Vol. 7, Issue 2, 2017 · pp. 41–50 Read article
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Effects of Variation of Injection Current and Differential Gain on 450 nm InGaN True Blue Semiconductor Laser
Abstract: AbstractIn this work, the performance analysis of a designed 450 nm InGaN True Blue Semiconductor Laser has been presented by varying injection current and differential gain. The study has been divided into three major segments; the first of which deals with changes in carrier density, photon density and output power with variation of injection current. A maximum output power of 182.6 mW is obtained for 90 mA injection current and …
Published in Trends in Opto-electro & Optical Communication · Vol. 3, Issue 1, 2013 · pp. 18–23 Read article