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Development of a new reduced hydrogen combustion mechanism with NOx and parametric study of hydrogen HCCI combustion using stochastic reactor model

Maurya, R. K.; Akhil, N. (2021-10-11)

Hydrogen is a potential alternative and renewable fuel for homogenous charge compression ignition (HCCI) engine to achieve higher efficiency and zero emissions of CO, unburned hydrocarbons as well as other greenhouse ...

A quick access to 1-(2-Pyridyl)indoles via Solvent-Free Ruthenium(II)-Catalyzed Chemo- and regioselective [2+2+2] cycloaddition of α,ω-Diynes and N-Cyanoindoles

Chowdhury, H.; Goswami, A. (2021-10-11)

A new route to synthesize 1-(2-pyridyl)indole scaffolds via the solvent-free, ruthenium(II)-catalyzed, chemo- and regioselective [2+2+2] cycloaddition reaction of diynes with N-cyanoindoles has been developed with good ...

Large electrorheological phenomena in graphene nano-gels

Dhar, P.; Katiyar, A.; Pattamatta, A.; Das, S. K. (2021-10-11)

Large-scale electrorheology (ER) response has been reported for dilute graphene nanoflake-based ER fluids that have been engineered as novel, readily synthesizable polymeric gels. Polyethylene glycol (PEG 400) based ...

Lewis acid catalyzed diastereoselective cycloaddition reactions of Donor-Acceptor cyclopropanes and vinyl azides: synthesis of functionalized azidocyclopentane and tetrahydropyridine derivatives

Dey, R.; Banerjee, P. (2021-10-11)

Lewis acid catalyzed [3 + 2]-cycloaddition reaction of donor−acceptor cyclopropanes with vinyl azides has been developed to obtain diastereomerically enriched azidocyclopentane derivatives. In addition, thermal chemoselective ...

Finance growth nexus across indian states: evidences from panel cointegration and causality tests

Sharma, R.; Bardhan, S. (2021-10-11)

The paper deals with finance-growth relationship across Indian states over 1980–2011 in panel cointegration and causality framework. We apply Engle–Granger two-step procedure for cointegration test in panel setting which ...

Schiff base modified screen printed electrode for selective determination of aluminium(III) at trace level

Rana, S.; Mittal, S. K.; Singh, N.; Singh, J.; Banks, C. E. (2021-10-11)

An electrochemical method for determination of Al(III) has been developed using Schiff base (JS-1) modified screen printed electrodes as a disposable chemosensor. The modified screen printed electrode was characterized ...

Experimental force modeling for deformation machining stretching mode for aluminum alloys

Singh, A.; Agrawal, A. (2021-10-11)

Deformation machining is a hybrid process that combines two manufacturing processes—thin structure machining and single-point incremental forming. This process enables the creation of complex structures and geometries, ...

Construction of 3D homochiral metal-organic frameworks (MOFs) of Cd(II): selective CO2 adsorption and catalytic properties for the knoevenagel and henry reaction

Ugale, B.; Dhankhar, S. S.; Nagaraja, C. M. (2021-10-10)

Two new homochiral metal–organic frameworks of Cd(II), [{Cd2(L-glu)2(bpe)3(H2O)}·2H2O] (1) and [{Cd3(L-glu)2(bpe)3(H2O)}·2NO3·H2O] (2) (where, L-glu = L-glutamate dianion, and bpe = 1,2-bis(4- pyridyl)ethylene) have been ...

Diverse transformations of boronic compounds promoted by hypervalent organoiodines(III): unique combined reactivity of two electrophilic compounds

Chatterjee, N.; Goswamia, A. (2021-10-10)

Both hypervalent organoiodine(III) compounds and boronic acids/esters are non-toxic and considered as environment-friendly compounds and have had a remarkable impact on the field of synthetic organic chemistry. Numerous ...

Organic nanoparticles for visual detection of spermidine and spermine in vapors and aqueous phase

Chopra, S.; Singh, A.; Venugopalan, P.; Singh, N.; Kaur, N. (2021-10-10)

: The rapidly emerging interest in the evaluation of biogenic amines especially spermidine and spermine has brought up new demands for the efficacious technical methods. These volatile amines are abundantly present ...

"Solvent-less" mechanochemical approach to the synthesis of pyrimidine derivatives

Raj, T.; Sharma, H.; Mayank; Singh, A.; Aree, T.; Kaur, N.; Singh, N.; Jang, D. O. (2021-10-10)

Modified ZnO NPs were synthesized through a sol−gel route with an aromatic capping agent to provide a highly efficient catalyst, NS-5, for the one-pot multicomponent synthesis of various pyrimidine derivatives using a ...

Motion-induced enhancement of rabi coupling between atomic ensembles in cavity optomechanics

Chauhan, A. K.; Biswas, A. (2021-10-10)

We propose a scheme of enhancement of Rabi coupling between two identical atomic ensembles trapped inside an optical cavity in a membrane-in-the-middle setup. The cavity modes dispersively interact with the ensembles and ...

Infrared thermography for detection and evaluation of bone density variations by non-stationary thermal wave imaging

Dua, G.; Mulaveesala, R. (2021-10-10)

Osteoporosis has been characterized as a skeletal disorder of reduced bone strength that leads to an increased risk of fracture. As the age of the person grows, early diagnosis of the disease is necessary to maintain ...

Processing, microstructural evolution and strength properties of in-situ magnesium matrix composites containing nano-sized polymer derived SiCNO particles

Chelliah, N. M.; Singh, H.; Raj, R.; Surappa, M. K. (2021-10-10)

In-situ Mg matrix composites are fabricated by combining both liquid- and solid-state processing routes. Firstly, liquid polymer was injected into the molten Mg at a temperature of 800 °C to initiate pyrolysis. In-situ ...

Insights into thiol-aromatic interactions: a stereoelectronic basis for S-H/π interactions

Forbes, C. R.; Sinha, S. K.; Ganguly, H. K.; Bai, S.; Yap, G. P. A.; Patel, S.; Zondlo, N. J. (2021-10-10)

Thiols can engage favorably with aromatic rings in S−H/π interactions, within abiological systems and within proteins. However, the underlying bases for S−H/π interactions are not well understood. The crystal structure ...

Local peak valley co-occurrence patterns: a new feature descriptor for image retrieval

Agarwal, G.; Mishra, S. P.; Maurya, S.; Chaudhary, S.; Murala, S. (2021-10-10)

In this paper, we propose a novel feature extraction and retrieval technique for medical images. Our proposed technique (LPVCoP) extracts similarity between grayscale images by using the relationship between reference pixel ...

Coherence and its role in excitation energy transfer in Fenna-Matthews-Olson complex

Singh, D.; Dasgupta, S. (2021-10-10)

We show that the coherence between different bacteriochlorophyll-a (BChla) sites in the Fenna−Matthews−Olson complex is an essential ingredient for excitation energy transfer between various sites. The coherence delocalizes ...

Temperature-controlled radiofrequency ablation of different tissues using two-compartment models

Singh, S.; Repaka, R. (2021-10-10)

Purpose: This study aims to analyse the efficacy of temperature-controlled radiofrequency ablation (RFA) in different tissues. Materials and methods: A three-dimensional, 12 cm cubical model representing the healthy ...

Performance modeling and broadband characterization of chip-to-chip interconnects with rough surfaces

Kumar, S.; Sharma, R. (2021-10-10)

Planar copper interconnects suffer from surface roughness that results in their performance degradation. In this paper, we investigate the role of rough conductor surfaces on the electrical performance of chip-to-chip ...

Constraining some Horndeski gravity theories

Bhattacharya, S.; Chakraborty, S. (2021-10-10)

We discuss two spherically symmetric solutions admitted by the Horndeski (or scalar-tensor) theory in the context of Solar System and astrophysical scenarios. One of these solutions is derived for EinsteinGauss-Bonnet ...

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