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1930 articles for “over- sampling” (ranking capped at the first 2,000 matches — narrow the search to see the rest)
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Comparative studies of Oxidation and hot corrosion behaviors of uncoated and detonation gun sprayed Cr3C2-25NiCr coating on SA-213 boiler steel at 8000C
Abstract: Fe-based alloys suffer oxidation and hot corrosion when the surfaces were in contact with air (oxidation) as well as the salty atmosphere (Hot corrosion) at elevated temperatures. In these atmospheric conditions, non-protective oxide Fe2O3 was formed on the surface of alloys. Oxidation and hot corrosion have been recognized as a major problem in the applications of the diesel engine, boilers, gas turbines, and chemical power plant etc. Detonation-gun sprayed Cr3C2-25NiCr …
Published in Journal of Thin Films, Coating Science Technology & Application · Vol. 6, Issue 1, 2019 · pp. 17–22 Read article
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Effects of Rice Husk Waste on Mechanical Properties of Rubber-Based Speed Bumps
Abstract: In this work, rice husk used as filler has been added to a rubber batch which is used in the manufacturing of rubber speed bumps. The prepared batch was consisted of the reclaim as by-product or as undesirable material. The work completed in one of Iraqi manufacturing of tires. The mechanical properties of the new compositions have been measured for different loadings in the matrix in order to prove the …
Published in Journal of Thin Films, Coating Science Technology & Application · Vol. 7, Issue 3, 2020 · pp. 1–8 Read article
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Experimentally New Technique System to Measure Contact Angle of Metal/Melt System in Simple Way
Abstract: In this research, easy and new technique system to measure contact angle of metals/metals systemwas introduced. The new technique system used a simple component in direct procedure to foundcontact angle of solder on metals substrate in wide range of drops volumes. Solder was applied intoaluminum and copper substrate metals using control heating temperature of the substrate. Then, theresults were analyzed by image J program to know the accuracy of the …
Published in Journal of Thin Films, Coating Science Technology & Application · Vol. 8, Issue 1, 2021 · pp. 38–43 Read article
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Pipeline Integrity Optimal Maintenance Techniques and Its Reliability
Abstract: This study is aimed at determining the optimal maintenance model for utilizing both preventive and corrective costs control system. It was assumed that operating conditions and pipeline diameters were uniform following the cumulated results and computational analysis. The research included an estimation which shows that the average cost for the installation and of course the maintenance of a healthy and operational pipeline is within $1,989,992 per km. Considering the failure …
Published in Journal of Thin Films, Coating Science Technology & Application · Vol. 9, Issue 1, 2022 · pp. 23–29 Read article
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Review of Hydroxyapatite Coating: Enhances Bioactivity and Osteoconductivity in Natural Hard Tissues
Abstract: Hydroxyapatite (HA or HAP) of biologically (produced from coral, cattle, or marine algae) or synthetic origin is used to repair and regenerate bone in the form of granules, blocks, and scaffolds, either alone or in a composite with polymers or other ceramics, or as a coating on dental or orthopedics implants. From the perspective of enhancing bioactivity, numerous methods for surface alteration and its combinations have been suggested. The composite …
Published in Journal of Thin Films, Coating Science Technology & Application · Vol. 9, Issue 2, 2022 · pp. 17–21 Read article
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Artificial Intelligence-based Chatbot for Disease Prediction
Abstract: Nowadays leading a healthy lifestyle is very important. Sometimes it is even difficult to find proper medical consultation in unsocialized and remote areas. One such solution to these issues is the development of an Artificial Intelligence based Chatbot for Disease Prediction. A Chatbot is a software program that simulates human conversations, through AI’s Natural Language Processing (NLP) capability. A text-to-text chatbot for disease prediction can involve patients into an interactive …
Published in Journal of Telecommunication, Switching Systems and Networks · Vol. 10, Issue 1, 2023 · pp. 29–36 Read article
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Design of 8 Bit High Speed Pipelined ADC
Abstract: High-speed, medium-resolution, analog-to-digital converters (ADCs) are important building blocks in many electronic applications. The demand for high-speed, medium resolution, low power ADCs is satisfied by various ADC architectures like folding, flsubranging, pipeline etc. Of these, pipeline architecture has proven to be the most efficient for applications such as digital communication systems, data acquisition systems and video systems. Pipelined ADC offer attractive combination of high-speed, high-accuracy and low power consumption, which …
Published in Journal of VLSI Design Tools and Technology · Vol. 5, Issue 2, 2015 · pp. 71–80 Read article
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Decimator Design for Sigma-Delta ADC
Abstract: This paper describes the design of a decimator which is used in digital signal processing as well as 10-bit sigma-delta analog-to-digital converter to down sample the incoming signal for further applications. It is also used for verification of the sigma-delta modulator functionality to reconstruct the incoming signal. The design has been carried out using 180 nm TSMC, CMOS foundry parameters for spice level 49 model parameters in TANNER EDA (Tspice). …
Published in Journal of VLSI Design Tools and Technology · Vol. 2, Issue 1-2-3, 2012 · pp. 16–28 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 and Performance Trends of Low Power Sigma-Delta A/D Converters
Abstract: Analog-to-Digital Converters (ADCs) act as the bridge linking the real world and the digital world, i.e., they can covert the analog signal to the digital signal, and hence benefit to the storage, processing and transmission of the data. This paper presents a first of its kind study on the various Sigma-Delta (ΣΔ) ADC architectures proposed to achieve low power consumption and their performances have been compared with respect to the …
Published in Journal of VLSI Design Tools and Technology · Vol. 6, Issue 2, 2016 · pp. 5–12 Read article
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A New TGC-Differential Input Stage to Modify Dynamic Comparator
Abstract: As the technology rapidly scaling down, the escalating demand for higher accuracy is putting a heavy pressure to find ways to get rid of one of the major issues among present day dynamic comparators i.e. random offset voltage generation. A number of offset calibration techniques have been presented to resolve this issue. It has become an important concern to analyze these techniques for scaled down technology nodes to cop up …
Published in Journal of VLSI Design Tools and Technology · Vol. 6, Issue 2, 2016 · pp. 74–85 Read article
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Wire Network Survivability for Upgraded Consistency in Smart Power Grids
Abstract: Power transmission system infrastructures transmit energy over a long distance and are essential to the operation of urban society. These configurations progressively reflect highly coupled cyber-physical structures where automated telecommunications networks are used to transmit status and control details to power transmission grid elements, i.e. smart grids. However, due to the high degree of interdependence between the contact and power grid layers, malfunction incidents may contribute to more loss of …
Published in Journal of VLSI Design Tools and Technology · Vol. 10, Issue 3, 2020 · pp. 16–21 Read article
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Water Quality Changes in Balu River during Non-Monsoon and Monsoon Period
Abstract: Dhaka, the capital of Bangladesh, is surrounded by numerous rivers and canals, such as Turag, Buriganga, Dhaleswari, Balu, and Shitalakshya. Among those, Balu river is one of the important water resources to supply drinking water for Dhaka metropolitan area (DMA), which is the 11thlargest city in the world. Nearly 14 million people reside in DMA. Major industrial zones in and around Dhaka are disposing untreated water directly in Balu river …
Published in Journal of Water Resource Engineering and Management · Vol. 2, Issue 3, 2015 · pp. 38–49 Read article
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Comparative Physico-chemical Analysis of River Water and Pond Water in Summer Season of Rewa City (M.P.)
Abstract: In this research, we present the study of comparative physico-chemical analysis of River Behar water and Rani pond water of Rewa district, Madhya Pradesh state, India. The variable data of samples are within prescribed limits as suggested by World Health Organization (WHO), Indian standard (ISI) and BIS desirable limit for drinking water for drinking purpose. Yearly variation in physical and chemical parameters like temperature, turbidity, color, odor, taste, pH, total …
Published in Journal of Water Resource Engineering and Management · Vol. 3, Issue 1, 2016 · pp. 42–47 Read article
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Estimation of Ground Water Quality for Impact Assessment of Fluoride Content on Human Being in Bagalkot Taluk of Bagalkot District, Karnataka
Abstract: The chemical parameters of groundwater play a significant role in classifying and assessing water quality. The main objective of the present research work is to discuss the major ion chemistry of groundwater of Bagalkot taluk and further investigating the impact of fluoride content on human being by drinking ground water in selected 41 villages and one urban center of Bagalkot taluk. For assessment of water quality collected from the randomly …
Published in Journal of Water Resource Engineering and Management · Vol. 3, Issue 2, 2016 · pp. 1–16 Read article
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Hydrochemical Characterization and Evaluation of Groundwater Quality of Delhi Region
Abstract: A hydrochemical study was conducted in Delhi to identify the chemical composition of ground water and water quality with respect to drinking purpose. 22 groundwater samples from various locations in Delhi region were investigated. The various physic-chemical parameters such as pH, total dissolved solids, total hardness, calcium, magnesium, total alkalinity, chloride, fluoride, nitrate, sulphate, sodium and iron were determined. Piper diagram and water quality index were used to determine hydrochemical …
Published in Journal of Water Resource Engineering and Management · Vol. 3, Issue 2, 2016 · pp. 32–41 Read article
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Reuse of Wastewater Collected from Railway Station for Agriculture Purpose
Abstract: United nation has estimated that till we reach 2050, around 5 billion people were facing acute water scarcity problem worldwide. Due to unparalleled growth in India, increased water supply & sanitation coverage leads to release of increasing volumes of wastewater discharged into wastewater streams, our aim is to reuse that wastewater discharging out of railway station streams economically for agriculture purpose. For that we have collected & tested various samples …
Published in Journal of Water Resource Engineering and Management · Vol. 7, Issue 2, 2020 · pp. 1–4 Read article
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Effect of Groundwater Quality on Concrete Structures in Greater Noida: A Case Study
Abstract: In this study, firstly selected ten different locations in the Greater Noida region; then collected the ground water samples from these locations. The present study proposes the possible effect of groundwater quality on the concrete structures. It also proposes a realistic water quality on the structures. The chemical present in groundwater generally are pH, chloride, sulphate, acidity, and alkalinity. It is proposed to consider these parameters in the present study …
Published in Journal of Water Resource Engineering and Management · Vol. 4, Issue 2, 2017 · pp. 13–16 Read article
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Waste Plants as a Green inhibitor for Reinforced Concrete
Abstract: AbstractIn recent years, the use of inhibitors in producing high performance concrete has increased significantly as a result of chloride and sulfate attacks. The present inhibitors in market are toxic to the environment. Hence, the objective of the present investigation was to study a novel, eco-friendly and a hydrophobic green plant extracts’ inhibitor (rice husks) and study the effects of it on compression strength of reinforced concrete. The inhibitor above …
Published in Recent Trends in Civil Engineering & Technology · Vol. 7, Issue 3, 2017 · pp. 53–58 Read article
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Geohydrological Investigation of a Lake: Case Study of Lake of Sayf Thulfiqar
Abstract: AbstractA reservoir is defined as an enlarged natural or artificial lake. A reservoir, also, means storage pond or using dam to store water. An artificial lake namely "Sayf Thulfiqar" is decided to be constructed artificially in the region of Bahar Al-Najaf in Najaf province in Iraq for storage and aesthetic purposes. The soil of the region is unsaturated above water table and it is mainly sand as classified according to …
Published in Recent Trends in Civil Engineering & Technology · Vol. 8, Issue 1, 2018 · pp. 11–19 Read article