Browsing Year-2021 by Title

Now showing items 554-573 of 593

Towards row sensitive DRAM refresh through retention awareness

Goel, T.; Maura, D.; Goswami, K.; Das, S.; ba, D. S. (2021-07-21)

Dynamic Random Access Memory (DRAM) is the de-facto choice for main memories in modern day computing systems. It is based on capacitor technology, which is volatile in nature. Hence, these memories require periodic ...
Towards the development of a task oriented robotic assistance in vertical farming

Kumar, R.; Dogra, A.; Singla, E. (2022-12-02)

This paper focuses at the planning of a robotic assistive system in a modular vertical farm facility. Smart vertical farms are designed particularly for indoor systems with artificial environment control covering a small ...
Tracing the factoids: the anatomy of information Re-organization in wikipedia articles

Verma, A. A.; Dubey, N.; Iyengar, S. R. S.; Setia, S. (2021-07-21)

Wikipedia articles are known for their exhaustive knowledge and extensive collaboration. Users perform various tasks that include editing in terms of adding new facts or rectifying some mistakes, looking up new topics, ...
Trajectory design for throughput maximization in UAV-Assisted communication system

Gupta, N.; Agarwal, S.; Mishra, D. (2021-07-30)

In this paper, we study an unmanned aerial vehicle (UAV) assisted communication system to provide service to the ground users. We address the problem of UAV deployment in three-dimensional (3D) space to provide on-demand ...
Transient electric and thermal fields in a HVDC cable

Dhayalan, S.; Thind, B.S.; Reddy, C.C. (2022-08-25)

Polymeric insulation is being widely used in HVDC cables owing to its several advantages. The performance of a HVDC cable during transients, such as sudden switching and polarity reversal etc., will not be the same as in ...
Transient study of a solar pond under heat extraction from non-convective and lower convective zones considering finite effectiveness of exchangers

Verma, S.; Das, R. (2021-07-18)

The transient performance of a salt gradient solar pond, which experiences heat extraction from both gradient and storage regions has been studied for annual performance via accounting for the overall heat transfer ...
Transition-Metal-Free HFIP-Mediated organo chalcogenylation of arenes/indoles with thio-/selenocyanates

Kalaramna, P.; Goswami, A. (2021-11-22)

We have developed a protocol for the synthesis of diaryl thio-/selenoethers by the reaction of aryl chalcogenocyanates with electron rich arenes/hetero arenes via HFIP promoted C−H activation. The reaction produces ...
Transmitting photons for humanity: Scientific contributions of N. S. Kapany

Nair, R.V. (2022-08-18)

In this article, we recount the scientific contributions of Dr Narinder Singh Kapany and the consequent advancements in optical fiber-based technology. He is acknowledged as the “man who bent light” and the first to coin ...
TRAP: Traffic-Based adaptive ramp packing for blind cancellation in autonomous vehicles

Singh, R.; Saluja, D.; Kumar, S. (2021-10-24)

Autonomous Vehicles (AVs) rely on a set of radar sensors used to map surrounding environment. Most commonly used radar sensors for AVs use Frequency Modulated Continuous Wave (FMCW) ramps for object parameter (i.e., ...
Trends in small organic fluorescent scaffolds for detection of oxidoreductase

Sidhu, J. S.; Kaur, N.; Singh, N. (2021-07-17)

Oxidoreductases are diverse class of enzymes engaged in modulating the redox homeostasis and cellular signaling cascades. Abnormal expression of oxidoreductases including thioredoxin reductase, azoreductase, cytochrome ...
Tribological behavior of cold-sprayed titanium/baghdadite composite coatings in dry and simulated body fluid environments

Kumar, A.; Kant, R.; Singh, H. (2021-10-25)

This study reports the tribological behavior of Titanium/Baghdadite cold sprayed composite coatings for artificial human joints in a dry and simulated body fluid environments. Sliding wear tests are performed using a ...
Tripodal pyridyl-imine capped gold nano-aggregates for selective detection of picric acid in aqueous media

Singh, G.; Saini, V.; Lal, G.; Saraiya, A.; Singh, S. (2021-07-25)

In the present investigation, we have design and develop pyridyl-imine capped gold nanoaggregates; fully characterized via various spectroscopic techniques. The photophysical and electrochemical studies revealed that the ...
Tris(pentafluorophenyl)borane catalyzed C–C and C–heteroatom bond formation

Kumar, G.; Roy, S.; Chatterjee, I. (2021-07-24)

A series of boron based Lewis acids have been reported to date, but among them, tris(pentafluorophenyl) borane (BCF) has gained the most significant attention in the synthetic chemistry community. The viability of BCF ...
Tuning polyoxometalate composites with carbonaceous materials towards oxygen bifunctional activity

Nagaiah, T. C.; Gupta, D.; Adhikary, S. D.; Kafle, A.; Mandal, D. (2021-07-21)

and Debaprasad Mandal * Oxygen electrochemistry plays an imperative role in renewable energy systems. Development of nonprecious metals and efficient bifunctional catalysts for the oxygen reduction reaction and oxygen evolution ...
Tuning structure, electronic, and catalytic properties of non-metal atom doped janus transition metal dichalcogenides for hydrogen evolution

Kaur, S.P.; Kumar, T.J.D. (2021-06-07)

The doping of hetero-non-metal atoms into the conventional Transition Metal Dichalcogenide (TMD) monolayer sheets is reported to tune their structural, electronic, magnetic, and catalytic properties. Herein, the physicochemical ...
Tuning the nanoparticle interfacial properties and stability of the core-shell structure in Zn-Doped NiMoO4@AWO4

Sharma, P.; Minakshi Sundaram, M.; Watcharatharapong, T.; Jungthawan, S.; Ahuja, R. (2022-08-16)

The ability to tune the interfacial region in core-shell nanocomposites with a surface reconstruction as a source for surface energy (de)stabilization is presented. We consider Zn-doped nickel molybdate (NiMoO4) (ZNM) as ...
Tuning the topographical parameters of Si pyramids for a better surface enhanced Raman response

Shinki; Singh, J.; Sarkar, S. (2022-08-01)

Development of facile routes for the fabrication of surface enhanced Raman substrates (SERS) along with optimal conditions for a high enhancement factor are significant from an application perspective of SERS. Despite ...
Two-dimensional janus Sn2SSe and SnGeS2 semiconductors as strong absorber candidates for photovoltaic solar cells: first principles computations

Bouziani, I.; Kibbou, M.; Haman, Z.; Khossossi, N.; Essaoudi, I.; Ainane, A.; Ahuja, R. (2021-08-02)

Two-dimensional materials provide new opportunities for the next generation of effective and ultrathin photovoltaic solar cells. Herein, we propose Janus monolayers of Tin monochalcogenides, especially Janus Sn2SSe (type ...
UAV deployment for throughput maximization in a UAV-Assisted cellular communications

Gupta, N.; Agarwal, S.; Mishra, D. (2021-11-15)

Unmanned Aerial Vehicle (UAV) deployment as an aerial base station in fifth-generation (5G) communication system has emerged as a promising technology to provide seamless communication in a geographical region. The UAV’s ...
Ultrasensitive electrochemical biosensors for dopamine and cholesterol: Recent advances, challenges and strategies

Thakur, N.; Gupta, D.; Mandal, D.; Nagaiah, T.C. (2022-08-01)

The rapid and accurate determination of the dopamine (neurotransmitter) and cholesterol level in bio-fluids is significant because they are crucial bioanalytes for several lethal diseases, which require early diagnosis. ...

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