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1970 articles for “3-acetyl-7-bromo-2H-chromen-2-one” (ranking capped at the first 2,000 matches — narrow the search to see the rest)
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Optimization of Transmission System by adopting 765/800KV Ultra High Voltage Network and its Technical Configurations
Abstract: In the era of persistent capacity shortages, ever increasing demand scenario, increased market operation and formation of National grid, new challenges have arisen in operation and control of large integrated and interconnected power system in India. The paper chronologies development of interconnected system in India from the state of independent utilities of 1950s to the well developed present interconnected National Grid. High voltage has been attractive proposition for large power …
Published in Journal of Telecommunication, Switching Systems and Networks · Vol. 9, Issue 1, 2022 · pp. 31–42 Read article
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Design and Implementation of 2nd Order Gm-C IF Tuning Filter Operating at 900 MHz and 88–108 MHz Wireless System for Multi Standard Receiver
Abstract: This paper deals with design and optimization of folded cascode OTA-C filter, which works for frequencies that lead to a base band circuit design for RF application, is based on transistor sizing methodology and Simulation results are performed using SPICE software and BSIM3V3 model for CMOS 0.18 μm process, show that the designed folded cascode OTA has a 52 dB DC gain and provides a Unit gain bandwidth of around …
Published in Journal of VLSI Design Tools and Technology · Vol. 4, Issue 1, 2014 · pp. 8–24 Read article
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Land Use and Land Cover Changes in Niamey Municipality from 1981 to 2021 in Flood Context
Abstract: The increase in population leads to a need for housing and agricultural land. As a result, some areas are being modified to meet these needs. In addition, rapid growth combined with the negative impacts of climate change observed in recent decades, plays an important role in land use changes. This study examines land use changes in Niamey, Niger, from 1981 to 2021. To detect land use changes, a geographic information …
Published in Journal of Water Resource Engineering and Management · Vol. 10, Issue 1, 2023 · pp. 25–42 Read article
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FAILURE ANALYSES OF 16MM THICK SA 516 GR 70 AUTO CLAVE
Abstract: With the acceleration of global industrialization, there is a demand for high- or low-pressure storage of liquids or gases. Because of the complicated operating conditions that will inevitably encounter a possible hazard, pressure vessel design is a critical responsibility. Previous failure studies have revealed that the presence of local loads and discontinuities increases pressure vessel fracture. As a result, a detailed examination of pressure vessel steel from the standpoint of …
Published in Trends in Mechanical Engineering & Technology · Vol. 12, Issue 1, 2022 · pp. 21–30 Read article
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BER Performance of Hybrid 2×8 SCM/WDM System Based on Raman Amplifier
Abstract: AbstractWhen subcarrier multiplexing (SCM) is combined with wavelength division multiplexing (WDM) the resultant hybrid multiplexing strategy can benefit from readily available commercial components. Hybrid SCM/WDM systems are quite useful for LAN and MAN applications. They can provide broadband integrated services to the subscriber. This paper investigates the performance of two module SCM transmitter that consist of eight binary phase shift keying modulated data streams each transmitted at a speed of …
Published in Trends in Opto-electro & Optical Communication · Vol. 6, Issue 1, 2016 · pp. 1–7 Read article
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Arduino-based Colour Detector with TCS 230
Abstract: In today's world, technology has advanced to a level where almost anything is possible. One such example is the usage of color detectors in a variety of applications. Color detectors are devices that can detect and measure the color of an object or surface. Technology has numerous applications in industries such as textiles, automation, automotive, food, printing, pharmaceutical, and many more. The color detector using Arduino and TCS 230 color …
Published in Trends in Opto-electro & Optical Communication · Vol. 13, Issue 3, 2023 · pp. 18–22 Read article
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Comparative Evaluation of Different Thread Design on Stress Distribution in a Solid Screw Implant: A 3-Dimensional Finite Element Analysis Study
Abstract: Stress concentration on implant or implant bone interface can cause relative microfracture at the interface between implant and bone, fracture of the implant, loosening or fracture of components of implant system and bone resorption so it is important to understand the stress distribution pattern for implant with different thread pattern as thread design can have a direct influence on the stress concentration. The study was conducted with the aim to …
Published in Research and Reviews: A Journal of Dentistry · Vol. 8, Issue 2, 2017 · pp. 10–15 Read article
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Lipid Profile Analysis in Type 2 Diabetes Mellitus Patients Belonging to Kota South
Abstract: Background: Diabetes mellitus is a category of metabolic disorders marked by persistently high blood sugar levels and abnormalities in the metabolism of fats, proteins, and carbohydrates as a result of deficiencies in the secretion or action of insulin, or both. Diabetic dyslipidemia is characterized by elevated low-density lipoprotein cholesterol (LDL-C), reduced high-density lipoprotein cholesterol (HDL-C), and increased triglyceride (TG) levels. The objective of this study is to assess the lipid …
Published in Research and Reviews : A Journal of Immunology · Vol. 13, Issue 2, 2023 · pp. 38–41 Read article
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Evaluation of Awareness, Perception and Utilization Towards Emergency Contraceptive among Female Students in Private College at Bahir Dar, North West Ethiopia, 2014
Abstract: Emergency contraception refers to a group of birth control modalities that when used after an unprotected intercourse or contraceptive failure within defined time limits can prevent an unwanted pregnancy. It used to prevent unintended pregnancies among adolescent girls. Evaluation of awareness, perception and utilization towards emergency contraceptive among female students is studied at Bahir Dar private colleges. An institution cross sectional study design was conducted among 616 female adolescents. The …
Published in Research and Reviews : A Journal of Medical Science and Technology · Vol. 5, Issue 1, 2016 · pp. 38–45 Read article
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Effect of Bone Marrow Derived Autologous Stem Cell Transplantation on Cerebral Metabolism of a 20-year-old Autistic Patient
Abstract: Autism is a neurodevelopmental disorder characterized by clinically significant impairment in social, occupational and other important areas of normal functioning. The autistic brain shows altered neurochemical metabolism, such as decreased glucose uptake, increased concentrations of lactate and reduced concentrations of N-acetyl-aspartate. Besides behavioral therapies and medications for autism-associated conditions such as seizures and gastrointestinal distress, there are no U.S. FDA approved pharmacological therapies to treat Autism’s core pathology. Stem cell …
Published in Research and Reviews: A Journal of Neuroscience · Vol. 3, Issue 3, 2013 · pp. 14–20 Read article
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An analysis of Shivpuran's Uma Samahita in relation to health, longevity and Viksit Bharat 2047.
Abstract: Viksit Bharat @2047 as Ram Rajya, Vishwa Guru and Shresht Bharat are the dream and mission for every Indian. Health and longevity is one of the most important aspects of development .The present modern medical allopathy approaches are very expensive, not easy to access , painful , stressful in particular if people are under ICU and emergency . In general treatments it gives comfort and saves lives but on the …
Published in Research and Reviews: A Journal of Health Professions · Vol. 16, Issue 2, 2026 · pp. 9–13 Read article
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Zeolite-Y Encapsulated Copper (II) and Cobalt (II) Species as Hybrid Nano-catalysts: Structural and Catalytic Aspects
Abstract: Special properties inherent to zeolites in facilitating the construction of novel upramolecular assemblies by encapsulation of guest molecules (metal complexes) into their large cages can be utilized to use these assembled materials as novel catalysts. These modified solids have the advantages of both behaving as the homogeneous and the heterogeneous catalytic system. In the present work, copper (II) and cobalt (II) complexes of 2-amino ethanoic acid (2-AEA) encapsulated in the …
Published in Journal of Catalyst & Catalysis Read article
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Predictive Modeling and Optimization of Tensile and Flexural Strength in FDM 3D Printing Using Decision Trees and Bayesian Optimization.
Abstract: This research investigates predictive modelling and optimization technique for the tensile and flexural strength of PlA (Poly Lactic Acid) in Fused Deposition Modelling (FDM) 3D printing. Employing Decision Trees and Bayesian Optimization enhances comprehension and control of 3D printing process. Precise model predicts PLA material properties based on input parameters. Methodology involves rigorous data preprocessing, encompassing, cleaning, transformation, and normalization. Hyperparameter optimization via grid search systematically explores configurations, optimizing model …
Published in Journal of Polymer & Composites · Vol. 11, Issue 12, 2023 · pp. 203–214 Read article
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Simultaneous Determination And Stability Indicating Method For Telmisartan, Metoprolol Succinate And Cilnidipine In Tablet Dosage Form.
Abstract: There are several medicinal agents available for antihypertensive activity. Telmisartan, metoprolol and cilnidipine are among them. Quantitative and qualitative analysis plays a pivotal role in safeguarding patients. Here, the estimation of these drugs was performed by using the chromatographic technique RP-HPLC. It was conducted with Phosphate buffer (pH 3.5 ± 0.01): Methanol (50:50 v/v) mobile phase. The system was operated at 1 ml/min. Drug volume to the system was 20μl. …
Published in Research & Reviews: A Journal of Drug Design & Discovery · Vol. 11, Issue 1, 2024 · pp. 32–38 Read article
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Simulation And Analysis of Radio Frequency Energy Harvesting System Operating at 2.45 GHz Frequency
Abstract: — This paper proposed study of an RF energy harvesting system at 2.45 GHz using a rectifier and an antenna so called rectenna. Inset-fed micro-strip rectangular patch antenna array is fabricated. The rectifier circuit, employing Schottky diodes (HSMS-2850), converts AC power from the antenna to DC for RF detection. Analysis of the antenna's design and parameters such as directivity, return loss, gain, and VSWR is done using high-frequency simulator software …
Published in Journal of Microwave Engineering and Technologies · Vol. 11, Issue 1, 2024 · pp. 7–15 Read article
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Optimizing PLA Filament Production for Enhanced 3D Printing Performance
Abstract: This research explores the optimization of polylactic acid (PLA) filament production to improve its performance in 3D printing applications. PLA is a widely used biodegradable polymer known for its eco-friendliness and ease of processing in additive manufacturing. The study investigates various parameters affecting PLA filament production, including material purity, extrusion temperature, filament diameter consistency, and cooling methods. Furthermore, the research evaluates how these fabrication parameters influence the printability of PLA …
Published in International Journal of Energy and Thermal Applications · Vol. 2, Issue 1, 2024 · pp. 21–29 Read article
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A Comparative Review of AI-driven 3D Modelling for Simplified Photogrammetry and Object Acquisition
Abstract: The field of photogrammetry, historically reliant on guide strategies, is undergoing a transformation with the emergence of AI-powered 3d modeling answers. This assessment work delves into this evolving panorama by using evaluating and comparing various AI-pushed gear presented by means of exclusive businesses. The study in particular makes a specialty of their effectiveness in simplifying photogrammetry workflows and facilitating the acquisition of 3D gadgets. The analysis contains a diverse range …
Published in Journal of Artificial Intelligence Research & Advances · Vol. 11, Issue 2, 2024 · pp. 21–32 Read article
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Advanced Design and Prototyping with Fabrication, Architecture, And Material Design Techniques For 3D Printing Hybrid Polymer Composites
Abstract: Hybrid polymer composites are big steps forward in the field of 3D printing. They combine different materials to improve their engineering qualities, usefulness, and use potential. This essay looks at the advanced design and testing methods needed to use 3D printing to make and create mixed polymer materials. First, we look at material design methods, with a focus on choosing plastics and support materials that help the composite have the …
Published in Journal of Polymer & Composites · Vol. 12, Issue 4, 2024 · pp. 22–36 Read article
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RTL-to-GDS Implementation of a High-Speed On-Chip 32:1 Serializer Using Open-Source Tools
Abstract: Exploring the RTL-to-GDS implementation of a high-speed on-chip 32:1 serializer, this study investigates the integration of open-source tools within VLSI design, emphasizing sustainable practices in the semiconductor industry while operating at the nanometer scale. Addressing methodologies for optimizing power consumption and chip area utilization, particularly focusing on efficient use of non-renewable resources. The study is set against the backdrop of advanced 7nm FinFET technology, critical for enabling efficient data transmission …
Published in Journal of VLSI Design Tools and Technology · Vol. 14, Issue 3, 2024 · pp. 1–10 Read article
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Bridging Reality and Virtuality Through Gesture-controlled 3D Holography
Abstract: The continuous advancement of technology has led to the development of innovative techniques and devices aimed at enriching users’ experiences. The technology creates an immersive experience that blurs the lines between virtual and real worlds by allowing users to manipulate three-dimensional holograms with natural hand gestures. Among these advancements, holography emerges as a promising avenue for creating immersive visual displays. However, traditional holographic systems often struggle to provide truly engaging …
Published in Trends in Opto-electro & Optical Communication · Vol. 14, Issue 3, 2024 · pp. 1–10 Read article