Search
1968 articles for “(2” (ranking capped at the first 2,000 matches — narrow the search to see the rest)
-
Novel Method to Synthesize Thiazole-based Disperse Dyes and its Applications
Abstract: The present work aims to deal with novel method to synthesize thiazole based disperse dyes and its applications.Design/methodology/approach: Azo dyes is tailored for utilization as the most basic and a key ingredient in dyestuff sector with potential applications in textiles, paper, plastics, printing ink, etc. The synthesis of disperse and acid dyes derived from thiazole and pyrazolone as a coupling component. Thiazole based dyes shows antimicrobial activities. The dyeing performance …
Published in Journal of Thin Films, Coating Science Technology & Application · Vol. 6, Issue 3, 2019 · pp. 30–34 Read article
-
Efficient Analysis and Minimization of Glitches using Threshold Swapped Combinational Clock Gating
Abstract: Nowadays design of electronic circuits to meet requirements like high speed, better functionality and low power is a tedious task. Power dissipation in any circuit comprises mainly two components: static power and dynamic power. The dynamic power heavily depends on the switching activity of the circuit. During the transistor switching transitions some spikes may occur, which are called as glitches. These glitches contribute 20–70% of the dynamic power and 20% …
Published in Journal of VLSI Design Tools and Technology · Vol. 5, Issue 2, 2015 · pp. 29–37 Read article
-
Methodology of Standard Cell Library Design in .LIB Format
Abstract: The importance of standard cell library design methodology is growing with very-large-scale integration (VLSI) technology advancement due to its usage in VLSI EDA synthesis flows. In this paper, to best of our knowledge and information in any published literature no systematic method of standard cell and creating appropriate co-laterals. In this paper the standard cell design methodology, layout topology, methodology for creating characterized timing table has been developed using 250 …
Published in Journal of VLSI Design Tools and Technology · Vol. 4, Issue 1, 2014 · pp. 30–38 Read article
-
Impact of Climate Change on Rainfall Pattern and Reservoir Level
Abstract: Climate change is change in weather pattern for a significantly long period. One of the major impacts of climate change is variation in rainfall pattern which directly or indirectly affects the regional water sources which are rain fed/recharged. In the present paper, an attempt is made to present the impacts of climate change on rainfall pattern (2004–2010) and reservoir level (2014–2015) in Karnataka. Change in the rainfall pattern in a …
Published in Journal of Water Resource Engineering and Management · Vol. 3, Issue 1, 2016 · pp. 10–14 Read article
-
HEC-HMS Based Estimation of Rainfall Runoff Relationship in Central Highlands of Ethiopia, a Case Study in Beressa Watershed
Abstract: Rainfall and runoff are the most frequently used events in hydrology. Calculating of a flow at the outlet of river is vigorous for a number of hydrologic studies like water resource management and flood forecasting. This study supported out to estimate rainfall-runoff relation in Beressa watershed. HEC-HMS model is used to pretend rainfall-runoff process and to apply the rainfall-runoff analysis by using SCS_CN method in Beressa Watershed. A physical based …
Published in Journal of Water Resource Engineering and Management · Vol. 8, Issue 3, 2021 · pp. 40–63 Read article
-
Thornthwaite’s Potential Evapotranspiration Rate Assessment and Implication on Rainfall Induced Floods in a Coastal Expanse of Nigeria
Abstract: This study examined the potential evapotranspiration (PET) rate effects on rainfall-induced floods within Port Harcourt, a coastal city in Nigeria. Mean monthly rainfall and air temperature data for 39 years (1979–2018) was sourced from the Nigerian Meteorological Agency and used to evaluate the potential evapotranspiration (PET) of the area using the Thornthwaite’s method. Results revealed that the mean rainfall and PET values for Port Harcourt during the periods under review …
Published in Journal of Water Resource Engineering and Management · Vol. 10, Issue 1, 2023 · pp. 15–24 Read article
-
Comparative Study on the Compressive Strength of Bacterial Concrete using Spirulina and Bacillus Subtilis
Abstract: The bacterial concrete has remarkable advantages over ordinary concrete in self-repairing itself when cracked, and it proves to be an environmentally safe building material to be used. The objective of the present study is to investigate the feasibility of using Spirulina in bacterial concrete. A comparative study on the compressive strength of M30 grade of concrete using Spirulina and Bacillus Subtilis (B.Subtilis) were carried out. Volume of Spirulina and B.Subtilis …
Published in Recent Trends in Civil Engineering & Technology · Vol. 8, Issue 2, 2018 · pp. 18–22 Read article
-
Seismic Performance Evaluation for Flat Slabs under Different Types of Soil Condition by Response Spectrum Method
Abstract: The study investigates the seismic performance of various types of flat slabs under different soil conditions by response sepctrum method. The studied flat slab buildings are G+7 stroies special moment resisting frame—flat plate slab (Model 1), flat slab with peripheral beam (Model 2) and flat slab with drop panel (Model 3), whicharemodeled by ETABS v. 2016. The response spectrum analyses are performed according to BNBC 2017, considering seismic zone Dhaka …
Published in Recent Trends in Civil Engineering & Technology · Vol. 10, Issue 2, 2020 · pp. 23–29 Read article
-
Comparison of IS 456 and its Amendments to Analyses and Design a Multistoried Building (G+7) by using STAAD Pro.
Abstract: In this paper, a study has been made for the economic structure which is analyzed and designed according to the Indian standards. The comparison of IS456:2000, IS1893:2002 and its amendments to analyses and designs a multistoried building [G+7] using STAAD Pro.The planning is completed by taking in to account the necessities and standards recommended by IS code, the design is completed using the assistance of Auto CAD and also the …
Published in Recent Trends in Civil Engineering & Technology · Vol. 10, Issue 3, 2020 · pp. 6–13 Read article
-
Durability Study of Lightweight Aggregate Concrete using Pumice Aggregate as Replacement of Coarse Aggregate
Abstract: Lightweight concrete has less dead load as compared to the normal concrete. Most of the buildings are made in India using light weight aggregate/materials. In this experimental work, we need to focus on the light weight concrete using pumice aggregate and assessment of the result of compressive strength and reduction in dead load of the concrete. Four concrete mixes of M1, M2, M3 and M4 were prepared with the different …
Published in Recent Trends in Civil Engineering & Technology · Vol. 7, Issue 2, 2017 · pp. 1–4 Read article
-
Behavioral Assesment of Nanoinsertions in Cement Mortar
Abstract: In this paper is reported a comparative behavior of the 28days and long-term mechanical strength of nano additions to cement mortars w.r.t. ordinary controlled cement mortars. Nanomaterials are constantly being used to upgrade everyday products which are in constant use by us. It is seen that when these materials are singly added in optimized proportions to cement mortar they enable an enhancement of compressive strength at 28 days and also …
Published in Recent Trends in Civil Engineering & Technology · Vol. 5, Issue 3, 2015 · pp. 15–21 Read article
-
Optimization of Cement Replacement by Fly Ash in Compressive Strength of Portland Cement Concrete
Abstract: The production of cement has been known for its additive role in environmental pollution. As a measure of abatement of pollution effort, scientist have evoked the concept of diluting cement with various pozzolanic additive like fly ash, blast furnace slag etc. Many of these additives were found to be acceptable for cement replacement, but their exact role and efficacy remains elusive. In the present study, fly ash was added as …
Published in Recent Trends in Civil Engineering & Technology · Vol. 7, Issue 1, 2017 · pp. 24–35 Read article
-
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
-
Design of Universal Coil for Medium Voltage Switchgear
Abstract: In the market, currently multiple ratings of D.C. voltages are available for the auxiliary supply of medium voltage switchgear. There is a wide range of D.C. supplies used in the medium voltage segment like 24 V, 30 V, 48 V, 60 V, 110 V, 125 V and 220 V. Normally the closing coil and tripping coil of a circuit breaker are designed for a specific auxiliary supply voltage which leads …
Published in Recent Trends in Sensor Research & Technology · Vol. 4, Issue 2, 2017 · pp. 26–30 Read article
-
Integrated Networks: A Survey
Abstract: AbstractUniversal Mobile Telecommunication System (UMTS) networks are solution for high speed voice and internet services with ubiquitous coverage. Ericsson Mobility Report (EMR) has claimed that subscriptions of UMTS/HSPA were 2.1 billion in 2015 and predicted that these are expected to reach 3.1 billion by the end of 2021 [1–3]. They support 384 kbps maximum data rate in downlink and 128 kbps data rate in uplink over a 5 km typical …
Published in Current Trends in Information Technology · Vol. 9, Issue 1, 2019 · pp. 22–29 Read article
-
Compact Microstrip Patch Antenna Using Metamaterials To Perform As Narrow Band LTE Receiver Antenna
Abstract: This paper presents the review of various stages of development for improving the parameters of microstrip patch antenna. The main focus of paper is on metamaterials as this material is used to extend the capability of microstrip patch antenna and ultimately antenna can be improved for its utilization in different applications which were not earlier due to limitations of simple microstrip patch antenna. This paper also presented design of compact …
Published in Journal of Communication Engineering & Systems · Vol. 8, Issue 3, 2018 · pp. 24–29 Read article
-
A quad band PIFA for 4G / 5G wireless communication applications
Abstract: AbstractA compact PIFA for wireless RF (Radio Frequency) devices is presented. The proposed antenna covers GPS L1, GSM 1800, GSM 1900, UMTS 2100, LTE 1700/2100 MHz, LTE 2300, Bluetooth/Wi-Fi/IEEE 802.11 b/g/n, RFID, IEEE 802.16e mobile WiMAX, UNII and C-band frequency bands useful for both 4G and 5G wireless communication applications. The simulation results for return loss, VSWR, two-dimensional radiation patterns and current distribution are demonstrated. The parametric analysis of feed …
Published in Journal of Communication Engineering & Systems · Vol. 9, Issue 2, 2019 · pp. 7–15 Read article
-
Remote Village Electrification Through Renewable Solar Energy
Abstract: AbstractCost of electricity increasing every year by 15-20% . More than 300 million people in India don’t have electricity access due to lack of infrastructure and Geographical condition. Our country is facing shortage of coal and conventional sources of energy is going to by 2025. Sun is non ending source of green clean & independent energy that can be availed for very long time with minimum expense.The cost of generating …
Published in Journal of Communication Engineering & Systems · Vol. 9, Issue 2, 2019 · pp. 60–63 Read article
-
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
-
CPW feed Flexible Antenna for Wireless Applications
Abstract: Flexible Microstrip CPW Feed Antenna using flexible FR-4 substrate is analyzed and presented over here. The Copper is used as conductive material for patch and CPW feed respectively. The performance in terms of return loss, gain, VSWR and radiation pattern is evaluated. The impedance bandwidth and gain of flexible antenna is 20.25% (2.179 GHz-2.665 GHz), 21.44% (3.232 GHz-4.026 GHz) and 1.4 dBi, 0.009 dBi respectively. The flexible property of the …
Published in Research & Reviews: A Journal of Embedded System & Applications · Vol. 6, Issue 3, 2018 · pp. 18–24 Read article