Search
241 articles for “High/ low density”
-
Modeling of ZnO Based Nano Sensor Device for Evaluating Electronic Interaction with NO2 Pollutant: Combining Multiphysics Simulation and DFT Study
Abstract: This study focuses on the designing and modeling of a sensor device employing zinc oxide (ZnO) nanowires (NWs), and the evaluation of the chemical response of the same in the presence of nitrogen dioxide (NO2), which is an acute harmful pollutant for human health and environment. Experimentally synthesized ZnO nanostructures were used as the basis for modeling of the ZnO NWs based sensor device along with a single ZnO NW, …
Published in Journal of Polymer & Composites · Vol. 13, Issue 2, 2025 · pp. 211–219 Read article
-
Hybrid effect of nanoperlite and nanoclay on mechanical and rheological properties of low-density polyethylene
Abstract: The effect of two kinds of nanomaterials, nanoclay (NC) and nanoperlite (NP) was studied on morphological, rheological, mechanical and dynamic-mechanical properties of low-density poly ethylene (LDPE). It was found that hybrid nanofiller dispersion in LDPE depended on the type (hybrid or individual form) and in higher extent also on the amount of the nanofiller incorporated. Rheological results revealed that storage modulus and complex viscosity of hybrid nanofiller-filled LDPE nanocomposites increased …
Published in Journal of Polymer & Composites · Vol. 6, Issue 1, 2018 · pp. 32–41 Read article
-
Advances and Challenges in the Development of High-performance Silicon Carbide (SiC) Power Devices
Abstract: Due to its distinct features, silicon carbide (SiC), a wide-bandgap semiconductor material, has attracted a lot of attention lately. SiC has superior electrical characteristics compared to silicon, making it an attractive material for high-performance power electronic devices. SiC-based devices can operate at higher temperatures, higher voltages, and higher switching frequencies, which can result in increased power density and efficiency. Recent advances in SiC device technology have led to the development …
Published in Journal of Semiconductor Devices and Circuits · Vol. 9, Issue 3, 2022 · pp. 15–20 Read article
-
Impact of Plant Diversity in Cereal Aphid Density in Wheat Crops
Abstract: AbstractGrain aphids cause financial damage to wheat crops. In Tamil Nadu, Eriopis connexa is an indigenous ladybird. In the present study, the numerical reaction of E. connexa to changes in aphid thickness on wheat crops with high and low plant differing qualities was examined. The study was completed in Coimbatore, Tamil Nadu, from September to December 2007 and 2008, on two wheat crops with either a higher plant differing qualities …
Published in Research & Reviews : Journal of Agricultural Science and Technology · Vol. 4, Issue 2, 2015 · pp. 35–38 Read article
-
Ground Improvement Technique Using Recycled Geo-Cell
Abstract: Geo-Cells are three dimensional Structures Orthogonally Designed. These are made using Polymers, we have Experimented and Designed Geo-Cells using Recycled High Density Polypropylene (HDPE), to get a Cost Effective Result. These Geo-Cells are then installed under Weak and Soft Soil to create a Low Density Unpaved Road. These Roads help us continue the work of shifting the Blocks from the Manufacturing Site to the Storage Place with Minimum Losses. This …
Published in Journal of Remote Sensing & GIS · Vol. 13, Issue 1, 2022 · pp. 31–40 Read article
-
Molecular structure, Vibrational spectroscopic, HOMO, LUMO, NBO, and NLO studies of 4-Cyano-2-methoxybenzenesulfonyl chloride
Abstract: The vibrational spectroscopic studies of 4-Cyano-2-methoxybenzenesulfonyl Chloride (4C2MBSC) were carried out. 4C2MBSC and its derivatives present in many biologically active compounds. The spectroscopic properties and chemical significance in particular, sulfonyl chloride and its derivatives have been studied extensively by spectroscopic (FTIR spectra) and theoretical methods. The infrared spectrum of this compound was recorded in condensed states. The molecular geometry, highest occupied molecular orbital (HOMO), lowest unoccupied molecular orbital (LUMO), first …
Published in Journal of Modern Chemistry & Chemical Technology · Vol. 9, Issue 2, 2018 · pp. 8–18 Read article
-
Triboelectric Charge Density Enhancement in Zinc Oxide Decorated Polymer Nanogenerators for Energy Harvesting Systems
Abstract: The growing need for wearable electronics, wireless sensor networks, and IoT devices has pushed research on triboelectric nanogenerator for long-term energy harvesting. However, traditional polymer-based TENGs' low triboelectric charge density restricts their energy conversion efficiency and practical performance. This research presents a zinc oxide (ZnO)-decorated polymer triboelectric nanogenerator designed to enhance surface charge density and improve electrical output. ZnO nanoparticles were synthesized using a hydrothermal method and uniformly deposited onto …
Published in Journal of Polymer & Composites · Vol. 14, Issue 4, 2026 Read article
-
Red Earth Development of a Soil-Based Composite Using Bagasse Ash and Lime: Effects on Plasticity and Compaction Characteristics of Red Earth
Abstract: The concept of sustainable soil composites (SSC) emerges through blending red earth with bagasse ash (BA) and hydrated lime to enhance geotechnical properties and enable productive reuse of agro-industrial waste. Red earth functions as the matrix, BA acts as a fine pozzolanic microfiller, and lime serves as the chemical binder. BA content ranges from 0% to 60%, with 10% identified as optimal; subsequent lime additions from 1% to 5% evaluate …
Published in Journal of Polymer & Composites · Vol. 13, Issue 6, 2025 · pp. 1147–1158 Read article
-
Performance Evaluation of Concrete with Binary and Ternary Blends of Fly Ash, Silica Fume, and Fiber Reinforcement
Abstract: This study evaluates the effect of ground granulated blast furnace slag (GGBS) as a partial replacement for cement on the mechanical properties of concrete, focusing on compressive and split tensile strength. Concrete mixes were prepared with GGBS replacement levels of 0%, 25%, and 50% and subjected to different curing methods, including water curing, steam curing, and conceal curing. These curing methods were selected to investigate their impact on hydration, strength …
Published in Journal of Construction Engineering, Technology & Management · Vol. 15, Issue 3, 2025 · pp. 40–45 Read article
-
Wear Characteristics of Aluminium-Graphite Composites Produced by Stir Casting Technique
Abstract: Metal matrix composites (MMCs) are finding more applications due to their significantly improved properties such as high specific strength, high specific modulus, good damping capacity and good wear resistance compared to unreinforced alloys. In recent years, there has been an increasing interest in composites containing low density and low cost reinforcements. Graphite is one of the most suitable and low density reinforcement available for making light-weight and wear resistant parts …
Published in Journal of Materials & Metallurgical Engineering · Vol. 4, Issue 3, 2014 · pp. 13–20 Read article
-
A Review on High Electron Mobility Transistors
Abstract: AbstractThe demand for high speed semiconductor devices is increasing in recent years with the rapid development of the high frequency wireless and fiber optical communication systems. High electron mobility transistor (HEMT) is an important device and an excellent candidate for millimeter, sub-millimeter and microwave applications. Also, these devices have high frequency, high speed, low noise, high breakdown voltage, low cost and other power handling capabilities. Due to these reasons, they …
Published in Journal of Semiconductor Devices and Circuits · Vol. 3, Issue 2, 2016 · pp. 1–10 Read article
-
Delineating Zones of Groundwater Recharging Potential using Geospatial Techniques Integrated with GRA-TOPSIS - A Case Study of Wassa West District of the Republic of Ghana
Abstract: Identifying and analyzing environmental parameters for assessing groundwater existence and recharge potential using geospatial techniques is crucial and cost effective, particularly for areas where surface water is contamination due to illegal mining activities. In this study, GIS and Multi-criteria decision analysis tool, GRA-TOPSIS, were used to identify groundwater recharge zones in the Wassa West District of Ghana. The study considered geo-environmental factors such as slope, soil types and lithology, land …
Published in Research & Reviews : Journal of Physics · Vol. 12, Issue 2, 2023 Read article
-
GIS and Remote Sensing in Mapping Aquatic Vegetation, The Food Source of Waterfowl
Abstract: Carrying out time and cost effective field surveys has always been a great concern of ecological studies of a large spatial scale. We studied the possibilities to map the distribution of submerged aquatic vegetation in a shallow lake using satellite imagery. We also went further to investigate the relationship of the predicted biomass per creek and bird densities. The study was carried out with an IKONOS image of the Lauwersmeer …
Published in Research & Reviews : Journal of Space Science & Technology · Vol. 4, Issue 2, 2015 · pp. 1–10 Read article
-
Predicting the Transport of Carbon Pressured by Variation of Bulk Density and Velocity in Onu Imo River
Abstract: The study of carbon transport in onu - Imo River were carried out to monitor its deposition, this was possible through the rate of migration at different point of discharge. The velocity flow of the river was observed to vary at different wealth condition, but the transport rate from high to low concentration experienced homogeneous velocity of flow thus decreased in concentration with respect to change in distance of six …
Published in Journal of Water Pollution & Purification Research · Vol. 7, Issue 1, 2020 · pp. 20–30 Read article
-
Nanocomposites of Polyethylene-Closite 20A: Preparation and Characteristics
Abstract: Low-density polyethylene/closite 20A nanocomposites with different organoclay contents were made in the current study by a melt mixing technique with two different compatibilizers of varying contents: low molecular weight oxidized polyethylene and low molecular weight trimethoxysilyl modified polybutadiene. The inclusion of compatibilizers and concentrations of organoclay were analyzed in relation to the mechanical and thermal properties of the nanocomposites. The dispersibility of the silicate clay in the nanocomposites was investigated …
Published in Journal of Nanoscience, NanoEngineering & Applications · Vol. 15, Issue 1, 2025 · pp. 01–12 Read article
-
Power Factor Improvement in BL-Pseudo Boost Converter-based BLDC Motor Drive
Abstract: Power factor correction (PFC) system increases the efficiency of power supply, delivering cost savings on electricity. Exchanging power supplies without PFC attract current short, high greatness beats. The beats can be smoothed out utilizing dynamic or inactive PFC procedures. This improves the power factor. A Bridgeless (BL) Pseudo boost converter is used for power factor correction in Brushless DC Motor (BLDC) drive. This converter working in spasmodic conduction mode (DCM) …
Published in Journal of Control & Instrumentation · Vol. 10, Issue 2, 2019 · pp. 40–49 Read article
-
Radon Estimation in Water of Surrey Region of British Columbia, Canada using LR-115 Type II Nuclear Track Detector
Abstract: Radon activity concentrations were measured in the ocean, swamp and well water samples collected from Surrey region of British Columbia in Canada. The purpose of this study was to compare radon activity in all three sources of water. Water was collected in air tight bottles and stored for 2 weeks before investigation. LR-115 Type II nuclear track detectors of 1.5 cm 2 were used for recording radon alpha tracks. Tracks …
Published in Research and Reviews: A Journal of Toxicology · Vol. 11, Issue 1, 2024 · pp. 7–15 Read article
-
Phytosociological Analysis in a Part of Western Himalayan Ecoregion Using Satellite Remote Sensing
Abstract: AbstractThe study was carried out in Kalsa watershed, Nainital district, Uttarakhand. Four different forest types viz., temperate broadleaf forest, temperate conifer forest, pine forest and degraded forest were mapped using satellite images of IRS-1D LISS III sensor. Temperate broadleaf forest was composed of different oak communities viz., Quercus leucotrichophora, Quercus floribunda, Quercus lanata besides Daphniphyllum himalense. Temperate conifer forest was dominated by Abies pindrow and was represented by only a …
Published in Research & Reviews : Journal of Botany · Vol. 3, Issue 1, 2014 · pp. 10–19 Read article
-
Exploring Antimalarial Activity of Chalcone Derivatives through QSAR
Abstract: Background: The core structure of chalcones contains a reactive α,β-unsaturated system within the aromatic rings, which plays a key role in mediating various biological effects. These effects include enzyme inhibition, anticancer activity, anti-inflammatory properties, as well as antibacterial, antifungal, antimalarial, antiprotozoal, and anti-filarial actions.Modifying the structure by introducing substituent groups to the aromatic ring can enhance potency, reduce toxicity, and expand their range of pharmacological actions.Methods: A total of twenty-seven …
Published in International Journal of Bioinformatics and Computational Biology · Vol. 3, Issue 2, 2025 · pp. 1–6 Read article
-
Advanced Solid-State Battery Technologies for Sustainable Energy Storage
Abstract: The increasing global demand for sustainable and high-performance energy storage systems has accelerated research in advanced battery technologies. Conventional lithium-ion batteries, while widely used in portable electronics, electric vehicles, and grid storage systems, face limitations such as safety risks, limited energy density, slow charging rates, and degradation over repeated cycles. To overcome these challenges, advanced solid-state battery technologies have emerged as a promising solution for next-generation energy storage applications. This …
Published in International Journal of Solid State Innovations & Research · Vol. 4, Issue 1, 2026 Read article