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176 articles for “high isolation”
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A Quad-Element UWB-MIMO Triangular Monopole Antenna with Triple Band -Notch and High Isolation
Abstract: A quad-element UWB-MIMO triangular monopole antenna with triple notched bands and high isolation is proposed in this paper. The presented antenna consists of four triangular -shaped antenna elements, which are arranged in orthogonal orientation. This antenna is printed on low-cost FR-4 substrate with dielectric constant of 4.4 and its overall size is 50 × 50 × 1.6 mm3. Its operating frequency band is 2.97~11GHz. High isolation of 22dB between four …
Published in Journal of Microwave Engineering and Technologies · Vol. 10, Issue 2, 2023 · pp. 30–37 Read article
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Advanced 4-Element UWB-MIMO Antenna Design: Achieving High Isolation and Multi-Band Rejection for Advanced Wireless Applications
Abstract: In this study, we present the design, fabrication, and analysis of a step-by-step Ultra-Wideband (UWB) Multi-Input Multi-Output (MIMO) antenna operating from 3 to 14 GHz. The antenna consists of four elements, each characterized by high isolation and equipped with four band-rejection features. These elements are implemented on a Rogers substrate with εr=3. Each antenna element is a modified rectangular patch, incorporating partial ground etching to achieve wider bandwidth. Two sets …
Published in Journal of Communication Engineering & Systems · Vol. 15, Issue 1, 2025 · pp. 40–62 Read article
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Design and Implementation of UWB-MIMO Triangular Antenna with Notch Technology
Abstract: The paper proposes a quad-element UWB-MIMO triangular monopole antenna with triple notched bands and high isolation. The antenna comprises four triangular-shaped elements arranged orthogonally, printed on a low-cost FR-4 substrate with a dielectric constant of 4.4. Its dimensions are 50 × 50 × 1.6 mm³, and it operates within the frequency band of 2.97 to 11 GHz. To achieve high isolation of 22 dB between the four radiatingelements, a square …
Published in Journal of Microwave Engineering and Technologies · Vol. 10, Issue 3, 2023 · pp. 8–15 Read article
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Comparison Of With Base Isolation And Without Base Isolation Building for G+15 High Rise Structures
Abstract: Reinforced concrete is a important construction material in civil engineering. This investigation serves as a case study to evaluate the ultimate capacity of the selected bearing system in reinforced concrete structures. The study aims to compare the performance between fixed base buildings and base isolated buildings. Specifically, the research focuses on assessing the appearance and ultimate capacity of the bearing system in both types of structures, aiming to provide insights …
Published in Journal of Construction Engineering, Technology & Management · Vol. 13, Issue 1, 2023 · pp. 28–34 Read article
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Aspect Ratio Analysis of Tall Building High Seismic Zone Using Base Isolation Technique
Abstract: The base segregation procedure is the most generally utilized technique to shield the construction fromharming the impact of the quake. The idea driving this innovation is to utilize adaptable isolatorsbetween the establishment and the superstructure to isolate the superstructure from the establishment.In the present review, execution of G+10 story RC outlined constructions with various viewpointproportions is researched utilizing ETABS 2018 programming, and reaction range technique is utilizedfor investigation. Viewpoint proportions …
Published in Journal of Experimental & Applied Mechanics · Vol. 12, Issue 2, 2021 · pp. 22–30 Read article
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Isolation of Lactobacillus Acidophilus with A High Acid-Producing Capacity and Its Common Characteristics
Abstract: Some strains of lactobacilli like spore Lactobacillus offer good merits in normalizing intestinal micro biota, resisting selectively to intestinal pathogens, exerting resistance to heat, acid and antibiotics, and are of good storage stability. This research work has been conducted in order to isolate a certain strain of Lactobacillus that offers high resistance to the gastric acid, bile and pathogens, and mutualistic symbiosis with useful intestinal microbes, and identifying its characteristics …
Published in Research and Reviews: A Journal of Microbiology and Virology · Vol. 13, Issue 3, 2023 · pp. 1–6 Read article
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A Study of a Non-Isolated DC-DC Converter Based on High Voltage Gain
Abstract: This article implements a best non-isolated DC-DCConverter for solar photovoltaic system-driven DC MicroGridapplications through high voltage gain methodology. At first, ahybrid boosting converter with bipolar voltage multiplier method isproposed and studied for photovoltaic-based DC MicroGrids. Butthe cost and functionality of this converter are a big problem. Toeradicate these problems with a proposed modified SEPICconverter and this converter is studied for producing high voltagegain. Formerly performance of hybrid boosting converter andmodified …
Published in Journal of Power Electronics and Power Systems · Vol. 13, Issue 3, 2023 · pp. 17–29 Read article
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Current Fed Push-Pull Converter for High Voltage Gain Applications
Abstract: AbstractAn isolated high step up voltage gain with appropriate duty ratio with application on energy storage system is proposed. As push pull converters are step down converters, here, this topology will help in step up the voltage. This converters semiconductor device maintains zero current switching (ZCS). Push pull converter has only two devices with common ground with source requiring simple gate driving circuitry.Keywords: Current fed push-pull, variable frequency modulation, zero …
Published in Journal of Semiconductor Devices and Circuits · Vol. 5, Issue 2, 2018 · pp. 33–42 Read article
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Study and Review of High Gain DC-DC Converters for Renewable Power Applications
Abstract: This paper offers a thorough investigation of non-isolated high gain DC-DC converters, specifically designed for their applicability in renewable power systems. These converters demonstrate versatility and efficacy in various domains, including renewable energy applications, DC microgrids, and electric vehicle power management. This study explores their characteristics and advantages in depth, shedding light on their potential for addressing the evolving demands of modern energy systems. Renewable energy systems, such as solar …
Published in Journal of Power Electronics and Power Systems · Vol. 13, Issue 3, 2023 · pp. 1–8 Read article
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Eye Shaped MIMO Antenna for Ultrawideband Applications
Abstract: AbstractA totally distinctive MIMO sharp band-notched antenna with high isolation for UWB applications is given. The antenna consists of two antenna elements with an overall space. A shaped stub is extruded among the bottom plane to enhance isolation associated with a shaped stub to introduce band-notched. The designed antenna possesses an occasional mutual coupling over the operative band. The performance of this antenna is studied in terms of isolation between …
Published in Journal of Telecommunication, Switching Systems and Networks · Vol. 5, Issue 2, 2018 · pp. 25–29 Read article
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Patient Profile and Antimicrobial Susceptibility Testing of Clinically Isolates In E. coli
Abstract: Escherichia coli, commonly known as E. coli, is a prevalent bacterium capable of causing infections in humans. The development of antimicrobial resistance in E. coli poses a significant public health issue. This study aimed to determine the patient profile and antimicrobial susceptibility patterns of clinically isolated E. coli. A retrospective study was carried out on E. coli samples collected from clinical specimens within a hospital environment. Patient profiles, including age, …
Published in Research and Reviews: A Journal of Microbiology and Virology · Vol. 14, Issue 1, 2024 · pp. 32–47 Read article
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An Enhanced Fish Feed Supplemented with Probiotics and Spirulina Formulation for Commercial Production
Abstract: In recent years, the probiotics isolated from fish gut microbiota is used in aquaculture practices as there is a demand to improve the quality of life of fishes. The aim of the study is to isolate probiotic microbe from the gut of Etroplus suratensis and to evaluate the most suitable probiotic for feed formulation. Two bacterial isolates from the gastrointestinal tract (GI) of Etroplus suratensis was evaluated for probiotic properties. …
Published in Research and Reviews: A Journal of Microbiology and Virology · Vol. 10, Issue 2, 2020 · pp. 1–7 Read article
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Screening and Characterisation of Antibacterial Actinomycetes Isolated From Earthworm
Abstract: The actinomycetes are considered to be the most potent source for the production of secondary metabolites, antibiotics and other bioactive compounds. The present study dealt with the isolation of the actinomycetes from the earthworm, Eisenia fetida. The actinomycetes were identified using slide culture technique and various biochemical tests. The isolates (S1 and S2) showed activity against Gram positive and Gram negative bacteria in primary screening by perpendicular streak method. In …
Published in Research and Reviews: A Journal of Microbiology and Virology · Vol. 9, Issue 1, 2019 · pp. 77–84 Read article
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Power Quality Improved AC-DC Sepic converter Used for Welding application
Abstract: Abstract— In this paper high frequency isolated ac-dc single phase single ended primary inductance converter (SEPIC) are proposed. Due to use of HF transformer more gain and high power is obtain. Proposed converter offers increased gain which is step-down in nature having less stress on current and also high efficiency. This paper described analysis modeling, and simulation of proposed converter. The performance is described in terms of power quality like …
Published in Recent Trends in Electronics Communication Systems · Vol. 6, Issue 1, 2019 · pp. 24–30 Read article
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In Situ Synthesized Cu(OH)2-Al2O3: A Novel and Highly Efficient Nano-Catalyst System for One pot Synthesis of N-Substituted Triazole at Room Temperature
Abstract: One pot room temperature synthesis of N- substituted Triazoles has been demonstrated using a novel catalyst system Cu(OH)2-Al2O3. The catalyst has been synthesized by a very simple one step chemical process. The catalyst is highly efficient and reusable with isolated yield as high as 87% even at the 4th reuse. The catalyst could also be used with water as a solvent with a little longer reaction time. Graphical Abstract: One …
Published in Journal of Catalyst & Catalysis · Vol. 1, Issue 1, 2014 · pp. 8–14 Read article
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Efficacy Evaluation of Trichoderma Harzianum, T. Viride, & T. Asperellum: Eco-Biocontrol Agents Against Dry Rot of Potato in Pakistan
Abstract: Fusarium sambucinum is one of the most aggressive fusarium species initiating potato dry rot disease around the world and causing significant economic losses. To alleviate reliance on synthetic fungicides as their long-term use may lead to fungal resistance, biocontrol assays against threatening fungal diseases hold significant importance as an eco-friendly management approach. Antagonists are gradually becoming hotspots and hold broad applicable prospects. Trichoderma harzianum, T. viride, and T. asperellumwere screened …
Published in International Journal of Fungi · Vol. 2, Issue 1, 2025 · pp. 46–50 Read article
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Integrated Tactical Patrolling Stick
Abstract: The Integrated Tactical Patrolling Stick (ITPS) is a smart, multi-functional device developed to support military personnel and forest officers working in isolated and high-risk areas like border zones and dense jungles. It is equipped with a range of defensive and signaling features that enhance user safety and situational awareness during patrol duties. Among its key components are a flashing LED system combined with a siren for alert signals, a laser …
Published in Journal of Power Electronics and Power Systems · Vol. 15, Issue 3, 2025 · pp. 23–31 Read article
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Integrated Assessment of Soil Health Through Macronutrient Status and Physico-Chemical Properties in Selected Agricultural Blocks of Kangra District, Himachal Pradesh, India
Abstract: Soil health is a critical determinant of agricultural sustainability, particularly in ecologically sensitive Himalayan regions where intensive cultivation and heterogeneous landscapes influence nutrient dynamics. Balanced macronutrient availability, together with favourable physico-chemical properties, governs crop productivity, soil resilience, and long-term ecosystem functioning. Despite the agronomic importance of Kangra District (Himachal Pradesh), localized assessments integrating nutrient status with physico-chemical indicators across representative agricultural blocks remain limited. This study aimed to evaluate soil …
Published in Research & Reviews : Journal of Ecology · Vol. 15, Issue 1, 2026 · pp. 27–33 Read article
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Investigations Into the Potential for Anthracene Decomposition of Novel Soil Bacterium, Pseudomonas putida P7
Abstract: Bioremediation of hazardous contaminants holds immense importance for the preservation of a clean and healthy environment. Conversely, the accumulation of toxicants can be mitigated with the assistance of microorganisms capable of breaking down these harmful substances into benign molecules. Anthracene is frequently used as a model molecule for studies on PAH pollution because it is found in many carcinogenic PAHs. Therefore, the hunt for new microorganisms with the ability to …
Published in Research and Reviews : A Journal of Biotechnology · Vol. 14, Issue 2, 2024 · pp. 29–44 Read article
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Production of High Yield Amylase and Protease by Aspergillus oryzae using Solid-State Fermentation
Abstract: Aspergillus oryzae strains were isolated from different sources and its ability to produce industrial scale amylase and protease using solid-state fermentation was carried in the present study. Different fermentation substrates such as rice bran and wheat bran were evaluated for maximum enzyme yield. Enzyme production was maximum on rice bran and it was achieved with optimized fermentation parameter such as temperature 30°C, pH 4–6, moisture content 60%, inoculum size 0.2 …
Published in Research and Reviews: A Journal of Microbiology and Virology · Vol. 8, Issue 3, 2018 · pp. 71–78 Read article