Browsing Year-2020 by Title

Now showing items 1-20 of 497

2D- Discrete cosine transform based dynamically controllable image compression technique

Kumar, Y. S.; Kumar, R.; Kumar, S. (2021-06-18)

The Discrete Cosine Transform ( DCT) is commonly used for the compression of images due to its property of high power compaction. Multiplication is a key fundamental stage in the computation of Discrete Cosine Transform ...
Ab-initio investigation of hydrogen sorption in Ti functionalized modified calix[4]pyrrole-benzene

Sathe, R.Y. (2020-12-11)

Hydrogen is an ecofriendly and affordable alternative for fossil fuels. Storage of hydrogen with high hydrogen weight percentage is the prime obstacle to use it as a fuel. The hydrogen storage capacity in Ti functionalized ...
Ab-initio investigation of hydrogen sorption in Ti functionalized modified calix[4]pyrrole-benzene

Sathe, R.Y. (2020-12-14)

Hydrogen is an ecofriendly and affordable alternative for fossil fuels. Storage of hydrogen with high hydrogen weight percentage is the prime obstacle to use it as a fuel. The hydrogen storage capacity in Ti functionalized ...
Ab-initio investigation of hydrogen sorption in Ti functionalized modified calix[4]pyrrole-benzene

Sathe, R. Y. (2021-06-10)

Hydrogen is an ecofriendly and affordable alternative for fossil fuels. Storage of hydrogen with high hydrogen weight percentage is the prime obstacle to use it as a fuel. The hydrogen storage capacity in Ti functionalized ...
Ab-initio investigation of hydrogen sorption in Ti functionalized modified calix[4]pyrrole-benzene

Sathe, R. Y. (2021-07-12)

Hydrogen is an ecofriendly and affordable alternative for fossil fuels. Storage of hydrogen with high hydrogen weight percentage is the prime obstacle to use it as a fuel. The hydrogen storage capacity in Ti functionalized ...
ACA-CSU: a carry selection based accuracy configurable approximate adder design

Kanani, A.; Mehta, J.; Goel, N. (2021-06-24)

Approximate arithmetic circuits can be more effective if their accuracy can be controlled. In this paper, we propose a carry selection based accuracy configurable approximate adder. In the proposed design, longer carry ...
Accessing Dihydro-1,2-oxazine via Cloke−Wilson-Type Annulation of Cyclopropyl Carbonyls: Application toward the Diastereoselective Synthesis of Pyrrolo[1,2‑b][1,2]oxazine

Kumar, P.; Kumar, R.; Banerjee, P. (2020-12-17)

A convenient additive-free synthesis of dihydro-4H-1,2-oxazines via a Cloke−Wilson-type ring expansion of the arylsubstituted cyclopropane carbaldehydes with the hydroxylamine salt is introduced. Comparatively less active ...
Accessing dihydro-1,2-oxazine via Cloke−Wilson-Type annulation of cyclopropyl carbonyls: application toward the diastereoselective synthesis of pyrrolo[1,2‑b][1,2]oxazine

Kumar, P.; Kumar, R.; Banerjee, P. (2021-07-01)

A convenient additive-free synthesis of dihydro-4H-1,2-oxazines via a Cloke−Wilson-type ring expansion of the arylsubstituted cyclopropane carbaldehydes with the hydroxylamine salt is introduced. Comparatively less active ...
Accessing dihydro-1,2-oxazine via Cloke−Wilson-Type annulation of cyclopropyl carbonyls: application toward the diastereoselective synthesis of pyrrolo[1,2‑b][1,2]oxazine

Kumar, P.; Kumar, R.; Banerjee, P. (2021-07-12)

A convenient additive-free synthesis of dihydro-4H-1,2-oxazines via a Cloke−Wilson-type ring expansion of the arylsubstituted cyclopropane carbaldehydes with the hydroxylamine salt is introduced. Comparatively less active ...
Active infrared imaging for estimation of Sub-Surface features in a steel material

Kaur, K.; Mulaveesala, R. (2021-07-04)

Non-destructive Testing (NDT) using infrared thermography plays a crucial role in detecting sub-surface defects in various components/materials. Post-processing of the acquired thermographic data is essential to extract ...
Activity induced in different rare earth materials using heavy ion oxygen beam; thin layer activation analysis

Savadi, V.V.; Singh, D.P.; Joshi, S.K.; Majeed, I.; Shuaib, Md.; Sharma, V.R.; Yadav, A.; Kumar, R.; Singh, P.P.; Unnati; Sharma, M.K.; Pandey, S.; Singh, B.P.; Prasad, R. (2020-12-15)

Activities have been measured in spectroscopically pure rare earth materials viz; Terbium, Thulium and Tantalum, based on the remnant radioactivity induced in the material, when bombarded by 16O beam in the energy range ...
Activity-selection behavior of users in stackexchange websites

Chhabra, A.; Iyengar, S.R.S. (2021-07-03)

In this work, we examine the disparity in contribution behavior of users with respect to the activities that they choose to perform on Q&A websites. We collect the data of 156 websites of StackExchange and analyze the ...
Acylation of oxindoles using methyl/phenyl estersviathe mixed Claisen condensation – an access to 3-alkylideneoxindoles

Sreedharan, R.; Rajeshwaran, P.; Panyam, P.K.R.; Yadav, S.; Nagaraja, C.M.; Gandhi, T. (2020-12-17)

Predominantly, aggressive acid chlorides and stoichiometric coupling reagents are employed in the acylating process for synthesizing carbonyl tethered heterocycles. Herein, we report simple acyl sources, viz. methyl and ...
Adapting tellegen’s theorem for synchrophasor-assisted fault identification in active distribution networks - an illustration

Bansal, B.; Sodhi, R. (2021-06-09)

The integration of distributed generations at distribution level makes the traditional fault location schemes inappropriate, owing to bidirectional power flows and other challenges. It therefore becomes imperative to ...
Adaptive analogue calibration technique to compensate electrode motion artefacts in biopotential recording

Karmakar, A.; Das, D. M.; Baghini, M. S. (2021-07-12)

This study presents an adaptive analogue calibration method to compensate electrode–skin impedance mismatch during biopotential signal (electrocardiogram, electroencephalogram and electromyogram) acquisition with enhanced ...
An adaptive class topper optimization algorithm to solve ecological emission economic load dispatch problem

Gupta, P. K.; Das, D. K.; Srivastava, A. (2021-06-24)

In this paper, an improved version of class topper optimization algorithm with adaptive improvement factor is proposed to solve a multi-objective ecological emission economic load dispatch (EELD) problems. The proposed ...
Additional repulsion reduces the dynamical resilience in the damaged networks

Bera, B.K. (2020-03-11)

In this paper, we investigate the dynamical robustness of diffusively coupled oscillatory networks under the influence of an additional repulsive link. Such a dynamical resilience property is realized through the aging ...
Advancements in microgrid voltage control schemes

Chauhan, K.; Sodhi, R. (2021-06-18)

Due to the intermittent behaviour of the renewable energy sources, containing the voltage rise issues and maintaining voltage regulation throughout the microgrids is of paramount importance. This paper presents a detailed ...
An algebraic method of solution of a water wave scattering problem involving an asymmetrical trench

Kaur, A.; Martha, S. C.; Chakrabarti, A. (2021-07-06)

The problem of propagation of obliquely incident surface water waves involving an asymmetric rectangular trench in a channel of finite depth is examined for its solution. The problem under consideration leads to multiple ...
Analysis and implementation of a three-phase matrix-based isolated AC-DC converter with transformer leakage energy management

Gorla, N. B. Y.; Saha, J.; Jayraman, K.; Panda, S. K. (2021-06-18)

In this paper, a three-phase matrix-based AC to DC power converter is presented considering all the practical implementation aspects for battery charging applications. Unlike some of the matrix-based proposal in the ...

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