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1973 articles for “6-(4-chlorophenyl)-1” (ranking capped at the first 2,000 matches — narrow the search to see the rest)
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Effect of Curing Time on Physico-mechanical Properties on Dental Composite
Abstract: This study aim to investigate the influence of curing time on physical and mechanical properties of a dental composite cured by using LED light with intensity of 1500 mW/cm2 in the range of 440-480 nm. We prepared the glass ionomer powder by fusion of various inorganic components at high temperature and studied the influence of silica/alumina ratio keeping other inorganic salts such as Calcium fluoride (CaF2), Sodium Fluoride (NaF), Calcium …
Published in Journal of Polymer & Composites · Vol. 10, Issue 3, 2022 · pp. 36–47 Read article
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Closed Loop Control of Multi Level Inverter Tied with 415 V AC Source Using SV-PWM for Renewable Energy
Abstract: In this work, 415 V AC source is interfaced with three-level diode clamped inverter in which renewable energy source is used as a DC source, solar energy is used which is most popular renewable energy source. The obtained DC from the solar irradiation is fed to MPPT (Maximum Power Point Tracking) to utilize voltage at maximum power (DC). The perturb and observe technique is used in this work to track …
Published in Journal of Power Electronics and Power Systems · Vol. 6, Issue 1, 2016 · pp. 55–65 Read article
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Harmonic Analysis of 6-Pulse Diode Bridge Rectifier Circuits
Abstract: This paper analyzes the steady-state harmonic performance of the six-diode, 3-phase rectifier bridge circuits. A procedure for determining the frequency spectra of the different voltages and currents within the bridge circuit, resulting from a 60-Hz 3-phase supply, is presented. The effect of the smoothing shunt-capacitor is also demonstrated. Based on a Mathematica code, the paper presents the results of a comprehensive list of case studies. The procedure can handle unsymmetrical …
Published in Journal of Power Electronics and Power Systems · Vol. 10, Issue 2, 2020 · pp. 1–10 Read article
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Crude Oil Remediation in Soil Environment using Orange (Citrus sinensis) Peel
Abstract: The research on effective performance of citrus sinensis (orange) peel was monitored in crude oil remediation in loamy soil environment. Different bioreactors with different bio-stimulant dosage of 20g, 40g, 60g, 80g, 100g of room dry and sundry samples were tested to examine the performance on microbial activities on crude oil mitigation in each bioreactor. The nutrient of the bio-stimulants was determined as pH value of 6.63, total nitrogen content of …
Published in Journal of Petroleum Engineering & Technology · Vol. 13, Issue 2, 2023 · pp. 24–34 Read article
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Development of 100% Biodegradable Sanitary Napkin from Pineapple Leaf Fiber with Antimicrobial Properties
Abstract: The necessity for the development of 100% biodegradable sanitary napkin is increasing as the earth is moving towards safer, sustainable, and eco-friendly planet. As the number of patients with cervical cancer and other reproductive tract infections are increasing day by day, it is necessary to implant organic and hygienic products on day to day basis. This is a safe and sufficient approach. The development of completely natural biodegradable sanitary napkin …
Published in Journal of Thin Films, Coating Science Technology & Application · Vol. 8, Issue 1, 2021 · pp. 16–21 Read article
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BER Performance Analysis for Digital Modulation Techniques in AWGN Channel of FSO Communication System with Low Attenuation Coefficient
Abstract: BER is a potential methodology for examining digital transmission systems by providing a measurable and useful indication of system performance. If the BER rises within limit then the system performance will be obviously satisfactory. The paper represents BER performance of FSO communication system for a few number of digital modulation techniques: BPSK, QPSK, 4-QAM and 16-QAM in AWGN channel by exploiting the Matlab simulated BER versus SNR graphs. The numerical …
Published in Journal of Telecommunication, Switching Systems and Networks · Vol. 1, Issue 3, 2014 · pp. 12–19 Read article
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Low-Offset High Speed CMOS Voltage Comparator using 180 nm Technology
Abstract: A low Off-Set high-speed two-stage dynamic comparator is presented. In this circuit, PMOS transistors are used at the input of the first and second stages of the comparator. At the evaluation phase, the second stage is activated after the first stage with a predetermined delay to achieve a controllable pre-amplifier gain. Also, the first stage is turned off after the delay to reduce overall power consumption. Simulation results in 0.18µm …
Published in Journal of VLSI Design Tools and Technology · Vol. 7, Issue 3, 2017 · pp. 21–27 Read article
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Design and Performance Analysis of Multi-Standard CMOS LNA Using Switched Capacitor and MIM Capacitor in 180nm Technology
Abstract: Low noise amplifier (LNA) is terribly important block in designing broadband receivers for wireless broadband communications. Being the primary active element in receiver chain it creates larger demand for LNAs that are smaller, consume less power, and provide sufficient gain, low noise and high compact design. The projected LNA is extremely integrated with low noise figure having wide calibration range with improved RF power handling system and acquires less space …
Published in Journal of VLSI Design Tools and Technology · Vol. 5, Issue 3, 2015 · pp. 37–44 Read article
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Design of a 10-bit Segmented Current-Steering CMOS D/A Converter for High Speed Communication System
Abstract: In the present work, design of a 10-bit digital-to-analog (D/A) converter using current segmentation architecture in 0.35 µm double-poly, four-metal, CMOS process has been attempted. The measured differential nonlinearity (DNL) and integral nonlinearity (INL) are 0.8 and 2.5 least significant bits (LSBs) respectively. For sampling frequency of 12-MSample/s, the spurious free dynamic range (SFDR) is better than 56 dB for signal up to Nyquist rate. The worst case power consumption …
Published in Journal of VLSI Design Tools and Technology · Vol. 2, Issue 1-2-3, 2012 · pp. 38–43 Read article
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Design of 16-bit Pipelined RISC Processor
Abstract: This paper presents the design of efficient and high throughput 16-bit pipelined RISC Processor. The design is challenge with the pipelined stall problem, speed with external memory, coding density and clock frequency for cost effectiveness and higher performance processor design. Paper describes about the architecture, programming model, synthesis results and analysis of the design. The presented design has throughput ~167 MIPS at 500 MHz, which shows better performance at a …
Published in Journal of VLSI Design Tools and Technology · Vol. 2, Issue 1-2-3, 2012 · pp. 32–37 Read article
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GDI Logic Implementation of Variable Sized CSLA Architectures Using 45 nm SOI Technology
Abstract: Carry select adder (CSLA) is an efficient adder used in modern processors. But, the CMOS logic implementation at the transistor level makes it complex. The use of smaller transistor size has shrunk the overall design but the transistor count was retained. Hence, in this paper the transistor level implementation of variable sized CSLA architecture is done using gate diffusion input (GDI) logic. This implementation drastically simplifies the CSLA in terms …
Published in Journal of VLSI Design Tools and Technology · Vol. 6, Issue 1, 2016 · pp. 78–88 Read article
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Design and Simulation of 4-bit Multiplier using Carry Look-Ahead Adder at Transistor Level
Abstract: Multiplication is a basic operation performed in the Arithmetic Logic Unit, Digital signal processing, Floating-point unit and Application specific integrated circuits. This paper deals with the design and simulation of the 4-bit multiplier using a carry look-ahead adder at the transistor level. The total design process involves hierarchical implementation. Where the basic gate operations like AND, OR, NOT, and XOR are repeatedly used for designing the entire circuit. So, the …
Published in Journal of VLSI Design Tools and Technology · Vol. 11, Issue 3, 2021 · pp. 10–18 Read article
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Studies on Effect of Various Curing Methods in Glass Fibre Reinforced Geopolymer Concrete with 12 Molarity Alkaline Solutions
Abstract: Due to the increasing environmental impacts associated with ordinary Portland cement, need to develop alternative binders to make concrete, is steadily increasing. Geopolymer concrete is the result of the reaction of materials containing Alumino-silicate with concentrated alkaline solution to produce an inorganic polymer binder. Alkaline solutions used were Sodium Hydroxide and Sodium Silicate. This paper presents results of an experimental study on the compressive strength, flexural strength and split tensile …
Published in Recent Trends in Civil Engineering & Technology · Vol. 5, Issue 2, 2015 · pp. 1–7 Read article
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An Ultra Wideband Hexagonal Patch Antenna with Enhanced Bandwidth
Abstract: A microstrip line feed Ultra-Wideband (UWB - 3.1 to 10.6 GHz) hexagonal patch antenna with enhanced bandwidth was presented in this article. The enhancement of bandwidth (BW) is achieved by defecting the partial ground structure. The antenna is designed by FR-4 substrate with εr(dielectric constant) = 4.3 & Tan δ (loss tangent) = 0.025.Initially, a conventional hexagonal patch with a partial ground plane produces a – 10 dB bandwidth of …
Published in Recent Trends in Electronics Communication Systems · Vol. 9, Issue 1, 2022 · pp. 11–20 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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Optimized High Performance Characteristics of a Designed 1553 nm Wideband Travelling Wave Semiconductor Optical Amplifier
Abstract: AbstractIn this work, the performance characteristics of a designed 1553 nm Wideband Travelling Wave Semiconductor Optical Amplifier are presented. A high performance of the designed wideband SOA is obtained and analyzed with the optimized values of injection current, optical confinement factor, input power and active length. A maximum gain of 30.16 dB and minimum noise figure of 4.48 dB is obtained for 200 mA injection current, 0.33 optical confinement factor …
Published in Trends in Opto-electro & Optical Communication · Vol. 4, Issue 3, 2014 · pp. 32–39 Read article
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10 Mbs Ethernet via Free Space Optic during Rainy Weather
Abstract: ABSTRACTFree space optics (FSO) is a potential solution for high bandwidth demand in temperate countries, like Malaysia and shows a great choice for last-mile problem where implementation of fiber optic cables is very limited due to deployment time and cost constraint. The control of these phenomena will allow to evaluate the system performance and then to improve their reliability. The aim of this paper is to compare the behavior of …
Published in Trends in Opto-electro & Optical Communication · Vol. 2, Issue 2, 2012 · pp. 1–7 Read article
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Social Media Intervention in COVID-19
Abstract: According to a scientific theory, a terrible pandemic happens every once in a few years. Like an Example in 1720 "Great plague of Marseille", in 1820 "Cholera pandemic",1920 "Spanish Flu", and 2020 "Corona Virus" and like every time, social media has been playing its role in a special way.Social media creates a virtual world through the Internet which the user can access using any platform of social media (Facebook, Twitter, …
Published in Journal of Communication Engineering & Systems · Vol. 11, Issue 1, 2021 · pp. 28–35 Read article
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Clinical Evaluation of Efficacy of Unani Formulation in Ovulation Induction in Anovulatory Infertility
Abstract: AbstractAnovulation is responsible for 30–40% of infertility. The aim of the present study was to evaluate the efficacy of unani formulation in ovulation induction. A standard controlled randomized single blind study was undertaken at Gynaecology department, National Institute of Unani Medicine Hospital, Bangalore. Patients of anovulatory infertility with menstrual irregularities and polycystic ovarian disease in the age group of 20-40 years were randomly allocated to test (n=20) and control (n=10) …
Published in Journal of AYUSH: Ayurveda, Yoga, Unani, Siddha and Homeopathy · Vol. 2, Issue 1, 2013 · pp. 25–32 Read article
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Concept Maps as an Educational Strategy to Enhance Critical Thinking among Student Nurses
Abstract: A quasi experimental study to assess the effectiveness of concept maps as a teaching strategy to facilitate critical thinking among student nurses with regard to congenital heart defects was conducted with primary objective to assess effectiveness of concept maps as a teaching strategy on critical thinking of student nurses with regard to congenital heart defects. Ethical clearance from the Institutional Review Board was obtained. The conceptual framework adopted was Stufflebeam’s …
Published in Journal of Nursing Science & Practice · Vol. 4, Issue 1, 2014 · pp. 30–37 Read article