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ARC shift number and region arc shift number for virtual knots

Gill, A.; Kaur, K.; Madeti, P. (2021-08-30)

In this paper, we formulate a new local move on virtual knot diagram, called arc shift move. Further, we extend it to another local move called region arc shift defined on a region of a virtual knot diagram. We establish ...

Environment-friendly, co-catalyst- and solvent-free fixation of CO2 using an ionic zinc(ii)-porphyrin complex immobilized in porous metal-organic frameworks

Sharma, N.; Dhankhar, S. S.; Nagaraja, C. M. (2021-08-30)

Herein an ionic Zn(II)–porphyrin complex, [Zn(II)NMeTPyP]4+[I ]4 (Zn(II) NMeTPyP ¼ 5,10,15,20-tetrakis(1-methylpyridinium-40 -yl) zinc(II) porphyrin), was immobilized in a porous metal–organic framework, PCN-224. The ...

Potential role of gut microbiota in induction and regulation of innate immune memory

Negi, S.; Das, D. K.; Pahari, S.; Nadeem, S.; Agrewala, J. N. (2021-08-30)

The gut microbiota significantly regulates the development and function of the innate and adaptive immune system. The attribute of immunological memory has long been linked only with adaptive immunity. Recent evidence ...

Effect of hydrogen on short crack propagation in SA508 grade 3 Class I low alloy steel under cyclic loading

Singh, R.; Singh, A.; Singh, P. K.; Mahajan, D. K. (2021-08-30)

The effect of hydrogen on short crack propagation under cyclic loading in SA508 Grade 3 Class I low alloy steel is investigated. This low alloy steel is used in manufacturing of pressure vessel installed in Indian nuclear ...

Designing the interphase in carbon fiber polymer composites using carbon nanotubes

Bedi, H. S.; Agnihotri, P. K. (2021-08-30)

Experiments are conducted to quantitatively assess the effect of carbon nanotubes (CNTs) on the interfacial properties in carbon fiber/epoxy composites by directly growing CNTs on the surface of carbon fiber (CF). Wetting ...

Sulfonated graphitic carbon nitride as a highly selective and efficient heterogeneous catalyst for the conversion of biomass-derived saccharides to 5-hydroxymethylfurfural in green solvents

Chhabra, T.; Bahuguna, A.; Dhankhar, S. S.; Nagaraja, C. M.; Krishnan, V. (2021-08-30)

The catalytic conversion of biomass-derived chemicals to value added products is currently a topic of high importance, as it addresses the problems pertaining to both energy and the environment. In this regard, it is ...

In-situ study of the effect of hydrogen on fatigue crack initiation in polycrystalline nickel

Arora, A.; Kumar, R.; Mahajan, D. K. (2021-08-30)

Correlating hydrogen embrittlement phenomenon with the metallic microstructural features holds the key for developing metals resistant to hydrogen-based failures. In case of fatigue failure of hydrogen charged metals, in ...

Modelling of fatigue crack initiation in hydrogen charged polycrystalline nickel

Kumar, R.; Meena, D.; Mahajan, D. K. (2021-08-30)

Hydrogen Embrittlement (HE) leads to deterioration of the fracto-mechanical properties of metals. In spite of vast literature, it is still not clearly understood and demands significant research on this topic. For better ...

EDA complex directed N-centred radical generation from nitrosoarenes: a divergent synthetic approach

Ghosh, S.; Kumar, G.; Naveen; Pradhan, S.; Chatterjee, I. (2021-08-30)

A metal-free strategy for the generation of N-centred radicals from nitrosoarenes (activated by allylsulfones) via electron donor–acceptor (EDA) complexes is reported. The EDA complex initiates a single electron transfer ...

Enhancing synchrony in multiplex network due to rewiring frequency

Rakshit, S.; Bera, B. K.; Kurths, J.; Ghosh, D. (2021-08-30)

Most of the previous studies on synchrony in multiplex networks have been investigated using different types of intralayer network architectures which are either static or temporal. Effect of a temporal layer on ...

Antibacterial PEG-Chitosan hydrogels for controlled antibiotic/protein delivery

Sharma, P. K.; Halder, H.; Srivastava, U.; Singh, Y. (2021-08-30)

Bacterial infections impede the wound-healing process, leading to complications such as chronic wounds and ulcerations. Wound dressings have been used in wound management because of the ease of application, ability to ...

Performance investigation of a solar thermal collector provided with air jets impingement on multi V-shaped protrusion ribs absorber plate

Kumar, R.; Nadda, R.; Rana, A.; Chauhan, R.; Chandel, S. S. (2021-08-30)

In the present work, the heat transfer through a solar thermal collector (STC) provided with jet air impingement on the absorbent plate fitted with multi V-shaped protrusion ribs is investigated experimentally. The ...

Efficient image integration technique: mismatch of subjective and objective analysis

Mehra, S.; Dogra, A.; Goyal, B.; Sharma, A. M.; Shukla, R.; Singh, S. (2021-08-30)

The paper intends to extract features with high visual quality during image fusion. An improved image fusion algorithm is presented, aiming to preserve necessary features and relevant information, simultaneously focusing ...

Radiolabeled cationic peptides for targeted imaging of infection

Aweda, T. A.; Muftuler, Z. F. B.; Massicano, A. V. F.; Gadhia, D.; McCarthy, K. A.; Queern, S.; Bandyopadhyay, A.; Gao, J.; Lapi, S. E. (2021-08-30)

Molecular probes targeting bacteria provide opportunities to target bacterial infections in vivo for both imaging and therapy. In the current study, we report the development of positron emission tomography (PET) probes ...

In-situ investigations of hydrogen influenced crack initiation and propagation under tensile and low cycle fatigue loadings in RPV steel

Singh, R.; Singh, V.; Arora, A.; Mahajan, D. K. (2021-07-28)

Present work aims to unveil the mechanism of hydrogen embrittlement (HE) in SA508 Grade 3 Class I low alloy reactor pressure vessel (RPV) steel. In-situ tensile and low cycle fatigue (LCF) tests are performed on specially ...

Forced convection in a bingham plastic fluid from a heated rotating cylinder

Thakur, P.; Tiwari, N.; Chhabra, R. P. (2021-08-28)

In this work, forced convection heat transfer from a heated rotating cylinder in a stream of a Bingham plastic fluid has been investigated numerically over wide ranges of Reynolds number (0.1≤Re≤40), Prandtl number ...

Control of radial miscible viscous fingering

Sharma, V.; Nand, S.; Pramanik, S.; Chen, C. Y.; Mishra, M. (2021-08-28)

We investigate the stability of radial viscous fingering (VF) in miscible fluids. We show that the instability is determined by an interplay between advection and diffusion during the initial stages of flow. Using linear ...

Butterfly diversity throughout midnapore urban area in west bengal, india

Biswas, S. J.; Patra, D.; Roy, S.; Giri, S. K.; Paul, S.; Hossain, A. (2021-08-28)

Buterfies have always atracted atenton due to their unique colouratons. As most buterfies are highly specifc in their niche utlisaton, abundance of the species in a locality may advocate status of ecosystem functoning and ...

A note on generalizations of stieltjes constants

Chatterjee, T.; Khurana, S. S. (2021-08-28)

In this article we consider a generalization of Stieltjes constants and study its relation with special values of certain Dirichlet series. Further we show a connection of these constants with a generalization of Digamma ...

Effect of round orifice aspect ratio on non-newtonian fluid discharge from tanks

MOHAJANE, T. M.; Haldenwang, R.; Khahledi, M. (2021-08-28)

Non-Newtonian fluids have complex viscous characteristics, which make it difficult to measure the flow rate during their processing and handling. Several researchers have conducted studies on the flow rate measurement of ...

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