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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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Novel 1,3,4-Thiadiazole Derivatives: Design, Synthesis, Characterization and Anticancer Evaluation – A Review
Abstract: Cancer remains one of the leading causes of mortality worldwide despite significant advances in diagnosis and treatment. The clinical usefulness of many anticancer drugs is often restricted by toxicity, poor selectivity, and the emergence of drug resistance. These limitations have encouraged the search for novel heterocyclic compounds with improved therapeutic efficacy and safety. Among these, the 1,3,4-thiadiazole scaffold has gained considerable attention because of its favorable physicochemical characteristics, metabolic stability, …
Published in Research & Reviews: A Journal of Drug Design & Discovery · Vol. 13, Issue 2, 2026 · pp. 42–49 Read article
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Inhibitors for 2000 series from aluminum
Abstract: Corosion inhibitor is traditional procedure to protect under any weather. Use of inhibitors have formed thin coating film as well film having hydrofobic to super hydrophobic properties. Angle of contact for weather chemical is simplest test appeared to depend on stabilization of surface under interest. Inihibitor considerations have appeared from hybrid toxic-nontoxic to purely green inhibitors to reproduce as environmentally friendly usage. Inhibitors applicable during anodization has technical importance from …
Published in Emerging Trends in Chemical Engineering · Vol. 6, Issue 2, 2019 · pp. 28–38 Read article
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Investigation of Characteristics of Vernonia amygdalina Stem on Remediation of Crude Oil Polluted Loamy Soil Environment
Abstract: The effectiveness of Vernonia amygdalina in Total Petroleum Hydrocarbon (TPH) mitigation in a loamy soil environment was monitored using mixture of 100ml of Crude oil, 2kg of loamy soil and 25g to 100g of remediant determined. The experiment was set-up based on the design concept considered as presented in this research, which involved constant volume of 100ml of crude oil, constant mass of 2kg of loamy and changes in mass …
Published in Emerging Trends in Chemical Engineering · Vol. 10, Issue 2, 2023 · pp. 23–30 Read article
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Designing and Simulation of Novel 6T CNT Based Schmitt Trigger on 32 nm Regime
Abstract: With the advancement of technology, we are needed to make the circuits more efficient, and for this, less leakage current and leakage power circuits are needed. Taking this into account, a model of Schmitt trigger using C-MOS (complementary mosfet) and CNT (Carbon Nano Tube) has been compared. We have worked on C-MOS and CNT circuits by using H-SPICE software. As a result, it is found that leakage current and leakage …
Published in Journal of Control & Instrumentation · Vol. 9, Issue 2, 2018 · pp. 1–4 Read article
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Performance Analysis of Abrasive Water Jet Machining Process for AISI 304 Stainless Steel
Abstract: Abrasive waterjet machining (AWJM) is a non-conventional machining process capable to machine wide range of difficult-to-cut materials such as ceramics, alloys, composite materials, etc. This paper investigates the effect of various process parameters on kerf taper, surface roughness and power consumption which are important performance measures in abrasive waterjet machining. The variable process parameters considered here include water pressure, traverse speed, stand-off distance and abrasive flow rate. Experiments were conducted …
Published in Journal of Experimental & Applied Mechanics · Vol. 8, Issue 2, 2017 · pp. 53–55 Read article
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Land Use and Land Cover Change Detection Study at Pennar River Estuary, Nellore District, Andhra Pradesh, Southeast Coast of India
Abstract: Coastal zones are the most valuable and dynamic places on Earth. A large portion of the world’s population has habitat coastal areas. Fertile coastal low lands, abundant marine resources, water transportation, aesthetic beauty and intrinsic values have long motivated coastal habitation. Two-thirds of the world’s fish catch, and many marine species, depend on coastal wetlands for their survival. The process of coastal morpho-dynamics has resulted in environmental problems such as …
Published in Journal of Geotechnical Engineering · Vol. 1, Issue 1, 2014 · pp. 1–9 Read article
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Communication Safety: Ensuring Safety One Tower at a time
Abstract: This study deals with the necessary safety measures taken into the consideration while modelling the communication towers. The improvements in stiffness, mass and damping because of the increased strength in materials is discussed here. The study also carries out the possible ways of providing solutions to the towers being struck by lightning and how the devices and the circuitry are safeguarded. The way of estimating the wind forces on the …
Published in Journal of Industrial Safety Engineering · Vol. 7, Issue 1, 2020 · pp. 22–28 Read article
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Studies on the DC Characteristics of Nanoelectronic Single-Heterojunction GaN based HEMTs with AlGaN Layer of 22 nm
Abstract: AbstractIn this work, total 2367 individual simulation-outputs are reported. We have studied the drain characteristics in AlGaN/GaN high electron mobility transistors (HEMTs) having the AlGaN thickness of 22 nm. According to this study, the drain current increases with drain voltage. Also, the drain current increases with gate voltage. The drain current is observed as higher at larger aluminium mole fraction. Also, the drain current is higher at larger doping concentration. …
Published in Journal of Microwave Engineering and Technologies · Vol. 5, Issue 1, 2018 · pp. 1–12 Read article
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Bandwidth and Return Loss Enhancement in Patch Antenna by Meta Material using at 2.62 GHz
Abstract: In this work, a rectangular micro strip patch antenna (RMPA) loaded with “Symmetric square Shapes Four Segments with circular rings structure” metamaterial structure is designed at a height 3.2 mm from ground plane by using CST-MWS software. The resonance frequency of the designed antenna is 2.62 GHz. The 10 dB impedance bandwidth of proposed antenna is increased up to 78.3 MHz. The return loss of the proposed antenna reduced to …
Published in Journal of Microwave Engineering and Technologies · Vol. 1, Issue 3, 2014 · pp. 33–37 Read article
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Reliability Analysis of Lube Oil in a Generator
Abstract: In this research work, we considered the best or better practices of maintaining lube oil balance in generator set by adopting a reliability analysis method. It was established that the running of the generator set for a long time and the heaviness of the appliances switched on upon the generator has been investigated to be a contributing factor for the reduction in the quality of the lube oil which influences …
Published in Journal of Materials & Metallurgical Engineering · Vol. 12, Issue 3, 2022 · pp. 1–8 Read article
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Performance Analysis of Complimentary Pass Transistor Logic Based Multiplexer Using Dual-gate FinFET Technology
Abstract: AbstractThis paper presents the design and analysis of double gate FinFET complimentary pass transistor logic (CPL) multiplexer. The circuit of multiplexer (MUX) using CPL is used for comparison of performance parameters like average power consumption, rise/fall time, delay, slew rate, PDP and EDP. Multiplexer is a digital circuit, it has inputs and select line; select lines are used for select input lines to transfer data to the output end. The …
Published in Journal of Microelectronics and Solid State Devices · Vol. 5, Issue 1, 2018 · pp. 41–48 Read article
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Research Paper on Design Analysis of Bucket of JCB 3dx Model
Abstract: JCB machines principal functions are Digging (material removing), Ground leveling and material transport operations. Backhoe attachment is rear part of Excavator machine. The backhoe attachment is subjected to static as well as dynamic forces. Because of several working conditions, Excavator parts, like bucket, arm, and boom are subjected to high loads .Thus, it is necessary to provide a better design of parts having maximum reliability, keeping design safe under loading …
Published in Journal of Production Research & Management · Vol. 11, Issue 1, 2021 · pp. 37–41 Read article
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Signal Integrity Analysis of Single Walled Carbon Nano Tube based Interconnects at 32 nm Technology Node
Abstract: The rising demands for ultra-high-speed processors and portable devices have made the transistor and interconnect scaling a challenging issue in present days. In this work, the impedance parameter of copper and CNT based interconnects are calculated at 32 nm technology node for different lengths. The performances of CNT based interconnects are analyzed and compared with Cu based interconnects in terms of crosstalk. The conventional copper interconnects are not able to …
Published in Journal of Semiconductor Devices and Circuits · Vol. 5, Issue 1, 2018 · pp. 33–42 Read article
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An Efficient Tree Structure 32-Bit Brent-Kung Adder for Reducing Time Delay and Memory Utilization
Abstract: AbstractBrent-Kung adder is such of the parallel prefix adders secondhand for speeding of the operation. Parallel prefix adders are the fast adders and dig the arithmetic operations at the expeditious rate. Most Industries are like TMSC, Texas, are used by parallel prefix adders seeing of their advantages compared to a variance adder. Parallel prefix adders are faster and area efficient. Parallel prefix adder is a campaign for increasing the speed …
Published in Journal of Semiconductor Devices and Circuits · Vol. 5, Issue 3, 2018 · pp. 29–35 Read article
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High Gain Antenna Array (2x1 and 4x1) Design for WLAN Application
Abstract: Micro-strip antennas became very popular in 1970s primarily for space borne applications. Today they are used for government and commercial applications. These antennas consist of a metallic patch on a grounded substrate. The metallic patch can take many different configurations. However, the rectangular and circular patches are most popular because of ease of analysis and fabrication, and their attractive radiation characteristics, especially low cross-polarization radiation. In high performance aircraft, spacecraft, …
Published in Journal of VLSI Design Tools and Technology · Vol. 8, Issue 2, 2018 · pp. 1–8 Read article
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Implementation and Analysis of 32-bit pipelined RISC Processor Architecture
Abstract: Pipelining is an implementation technique, in which parallel operations are performed for several instructions simultaneously, to save time, enhance speed and for better utilization of hardware units. In this paper, 32-bit, 5-stage RISC processor is used to tag the pipeline stages to obtain the optimized results. The architecture of the processor containing several elements reduces the debugs and upholds the high performance through critical functions. When compared to our closest …
Published in Journal of VLSI Design Tools and Technology · Vol. 9, Issue 1, 2019 · pp. 1–14 Read article
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Comparative Study of a 32 bit Clock Gated ALU based on Carry Skip Adder and Ripple Carry Adder
Abstract: The ALU is one of the most frequently accessed modules in a CPU and is utilized during most instruction executions. Hence the power consumption of the ALU is a major concern. In this paper a low power 32 bit ALU is designed using VHDL. Lower power consumption is achieved by using clock gating technique than conventional design. A carry skip adder with variable block length is used for the arithmetic …
Published in Journal of VLSI Design Tools and Technology · Vol. 3, Issue 2, 2013 · pp. 6–11 Read article
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Design of Low Power Folded Cascode Current Mirror CMOS OTA and Implementation of 2nd Order Gm-C IF Filter with Analysis of S-Parameter
Abstract: This paper deals with design and optimization of a cascode current mirror folded cascode operational transconductance amplifier is done in order to optimize MOS transistor sizing. The design of folded cascode OTA, 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 0.18μm process, show that …
Published in Journal of VLSI Design Tools and Technology · Vol. 3, Issue 2, 2013 · pp. 12–23 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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Rainfall-runoff Modeling using HEC-HMS Hydrologic Model for Guder River Watershed, Blue Nile Basin, Ethiopia
Abstract: Rainfall-runoff modeling is important for a number of hydrologic applications including flood forecasting, water resource planning and management. This study presents the result of a watershed rainfall-runoff modeling for Guder river watershed having area of 6597 km 2 using Hydrologic Engineering Center-Hydrologic Modeling Systems (HEC-HMS). The watershed runoff is varying spatially and temporally due to manmade factors and natural factors on the watershed. These issue needs efficient water resource planning …
Published in Journal of Water Resource Engineering and Management · Vol. 8, Issue 2, 2021 · pp. 62–77 Read article