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Article
Graphene-based tunable multi-band metamaterial polarization-insensitive absorber for terahertz applications
This paper presents a graphene-based tunable polarization-insensitive metamaterial absorber (MMA) at terahertz (THz) frequencies. The absorber consists of top patterned gold (Au) layer followed by single layer...
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Chapter and Conference Paper
Friction-Induced Wellbore Instability Due to Drill String
In this chapter, we study numerically instability due to interaction between drill string and rock materials using pendulum . The classical Amontons– (AC) friction laws are widely used for explaining...
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Chapter and Conference Paper
An Experimental Study on Adhesion, Friction and Stick-Slip Phenomena
vibration is an important mode of failure in many structural and mechanical systems and that generally seen in the form of jerking, chattering, squeaking, etc. It is shown experimentally that similar to , ...
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Article
Dynamic Stability of the Rate, State, Temperature, and Pore Pressure Friction Model at a Rock Interface
In this article, we study numerically the dynamic stability of the rate, state, temperature, and pore pressure friction (RSTPF) model at a rock interface using standard spring-mass sliding system. This particu...
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Article
Underwater superoleophobic biomaterial based on waste potato peels for simultaneous separation of oil/water mixtures and dye adsorption
Underwater superoleophilicity involves interactions between a solid surface and two immiscible liquids, viz., water and oils, in which water remains in the completely wetted and oils in the non-wetted state. M...
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Chapter and Conference Paper
Modelling DC, RF and Noise Behavior of AlGaN/GaN HEMT on SiC Substrate
In this chapter, DC, RF and noise behaviour of AlGaN/GaN HEMT with 1 µm gate length are studied performing computer simulations using Silvaco TCAD software. The device exhibits a maximum drain current of 645 m...
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Article
Open AccessOptimization of phosphate removal from aqueous solution using activated carbon supported zero-valent iron nanoparticles: application of RSM approach
In this study, activated carbon (AC) prepared from cork powder was used in synthesis of AC stabilized nano-zero-valent iron (AC/NZVI) composite and evaluated phosphate (PO43−) removal efficiency from aqueous solu...
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Article
The Effect of Carbon Nanotubes Based Nanolubricant on Stick–Slip Behavior
In this article, stick–slip behavior of a metal–metal interface is investigated in presence of a lubricant mixed with multiwalled carbon nanotubes (MWCNTs). The friction experiments are carried out to determin...
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Article
The effect of inertia, viscous dam**, temperature and normal stress on chaotic behaviour of the rate and state friction model
A fundamental understanding of frictional sliding at rock surfaces is of practical importance for nucleation and propagation of earthquakes and rock slope stability. We investigate numerically the effect of di...
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Article
Numerical modelling-based pillar strength estimation for an increased height of extraction
Underground extraction of total thickness of a thick coal seam in single lift by bord and pillar method increases pillar height during retreat. Field studies found that the increase in pillar height affects th...
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Chapter
An Issue of Governance in Urban Water Supply: A Study of Varanasi, Uttar Pradesh
Water is a basic human need and critical in determining the quality of life. Yet Indian cities witness inadequate water supply with irregular pressure, insufficient quantity and questionable quality. Pace of u...
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Article
Evaluation of phosphate removal capacity of Fe3O4–ZVINPs from aqueous solution: optimization using response surface analysis
The present research aims to optimize the removal of phosphate (PO4 3−) from aqueous solution by Fe3O4 stabilized zero-valent iron nanoparticles (Fe3O4–ZVINPs). A three-factor, three-level...
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Article
Natural frequencies of multiple pendulum systems under free condition
In this classical article, we study natural frequencies of the multiple pendulum systems (MPSs) in a plane under the free condition. The systems of governing differential equations for the MPSs such as triple ...
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Article
Response surface optimization of nitrite removal from aqueous solution by Fe3O4 stabilized zero-valent iron nanoparticles using a three-factor, three-level Box-Behnken design
The magnetite (Fe3O4) stabilized zero-valent iron nanoparticles (Fe3O4-ZVINPs) were synthesized and characterized by TEM, SEM, BET, and XRD techniques and used for removal of NO 2 ...
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Article
Open AccessLong-Term Outcomes of External Repair as a Rescue Operation for Atrioventricular Groove Disruption following Mitral Valve Surgery
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Article
Moving from Survival to Healthy Survival through Child Health Screening and Early Intervention Services Under Rashtriya Bal Swasthya Karyakram (RBSK)
For negating the impact of early adversities on the development and ensuring a healthy, dynamic future for all children, Ministry of Health and Family Welfare in 2013 launched a programme for child health scre...
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Article
Conventional and real-time PCR assays for specific detection and quantification of Fusarium oxysporum f. sp. ciceris in plants using intergenic spacer region-based marker
Fusarium wilt of chickpea, caused by Fusarium oxysporum f. sp. ciceris (Foc) is one of the most important fungal diseases worldwide. The detection of the pathogen at reasonable time period is of great importance,...
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Article
Investigation on the Potential of Dextrose, Sucrose and Cellulose Dodecenylsuccinate Esters as Lubricity Additive
As a consequence of the environmental issues and the increasing global demand of the lubricants, we need to have the sustainable raw material sources not only for the lube base oil but also for additives. In v...
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Article
Occurrence of pharmaceuticals in urban wastewater of north Indian cities and risk assessment
Six pharmaceuticals of different categories, such as nonsteroidal anti-inflammatory drugs (ibuprofen, ketoprofen, naproxen, diclofenac), anti-epileptic (carbamazepine), and anti-microbial (trimethoprim), were ...
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Article
Galactose treatment in focal and segmental glomerulosclerosis
