Search Results - "Kumar, Upendra"

Eco-friendly neem sticks activated carbon-MWNTs as efficient counter electrodes in polymer electrolyte-based DSSCs.

Authors: Chawla, Priyanka Kumar, Upendra

Source: Materials Research Innovations. Apr2026, Vol. 30 Issue 3, p238-250. 13p.

Subjects: Dye-sensitized solar cells, Electrodes, Solid electrolytes, Activated carbon, Multiwalled carbon nanotubes, Ionic conductivity, Solar cell efficiency

Application of Value Stream Mapping for Lean Operation: An Indian Case Study of a Dairy Firm.

Authors: Kumar, Upendra Shankar, Ravi

Source: Global Business Review. Apr2026, Vol. 27 Issue 2, p237-259. 23p.

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Impact of Transition Metals—Cr, Mn, and Fe Dopants on Graphene‐Like Group‐IV Nanosheets: A DFT Study.

Authors: Ahammad, Noor Rahman, Aoly Ur Kabir, Md. Alamgir et al.

Source: Advances in Condensed Matter Physics; 11/25/2025, Vol. 2025, p1-18, 18p

An efficient digital image forgery detection using Pelican search optimisation-based DCNN.

Authors: Tripathi, Esha Kumar, Upendra Tripathi, Surya Prakash

Source: Journal of Experimental & Theoretical Artificial Intelligence; Nov2025, Vol. 37 Issue 8, p1267-1292, 26p

A noval approach of classification of COVID-19 from chest CT-Scan images using ensemble classifier in combination with cognition based texture features.

Authors: Kumar, Upendra^1,2, ukumar@ietlucknow.ac.in

Source: Multimedia Tools & Applications; Sep2025, Vol. 84 Issue 30, p36271-36306, 36p

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Uncovering microbial drivers and regulatory edaphic factors for DNRA-nitrogen recovery under diverse rice agro-ecosystems.

Authors: Kaviraj, Megha Kumar, Upendra Chatterjee, S. N. et al.

Source: Plant & Soil. Aug2025, Vol. 513 Issue 1, p965-992. 28p.

Structural, Electronic, and Elastic Properties of Sodium‐Doped BeO Nanotubes Using DFT.

Authors: Aminzadeh Gohary, Zahra Ahmadian, Farzad Badehian, Hojat Allah et al.

Source: Advances in Condensed Matter Physics; 7/27/2025, Vol. 2025, p1-11, 11p

Structural insights, bond-valence analysis, and enhanced microwave dielectric Properties of (Sr1-xNdx)2SnO4 Ruddlesden-Popper oxides.

Authors: Kumar, Sushil Kumar, Raj Yadav, Vedika et al.

Source: Journal of Materials Science: Materials in Electronics; Jun2025, Vol. 36 Issue 18, p1-18, 18p

Biosynthesis of Zinc Oxide Nanoparticles Using Ficus racemose Leaf Extract via Microwave Irradiation Route: Characterization and Investigation of Antibacterial Efficacy.

Authors: Nigam, Abhishek Varshney, Shagun Singh, Samarjit et al.

Source: Advances in Condensed Matter Physics; 5/9/2025, Vol. 2025, p1-18, 18p

A Non-invasive Approach for the Classification of the Coronavirus Disease from CT Scan Images Using Machine Learning in Combination with Hybrid Texture Features.

Authors: Kumar, Upendra^1,2, ukumar@ietlucknow.ac.in

Source: New Generation Computing; May2025, Vol. 43 Issue 2, p1-63, 63p

Sintering Atmosphere Effects on Green-Synthesized CeO2 NPs: A Microstructural and Electrical Investigation.

Authors: Maji, Subhadip Kumar, Raj Pingle, Vaishnavi et al.

Source: Journal of Electronic Materials; May2026, Vol. 55 Issue 5, p4373-4394, 22p

Machine learning aided RSM approach to parameter optimization for Rhodamine B removal using sawdust.

Authors: Sankalp, Sankalp Kumar, Upendra

Source: Chemical Engineering Communications. Apr2026, p1-25. 25p. 18 Illustrations.

Detection and multi-class classification of freshwater fish species using space-to-depth convolution and YOLOv11.

Authors: Kalpana, A. V. Kumar, Upendra P., Shylaja. et al.

Source: Multimedia Tools & Applications. Feb2026, Vol. 85 Issue 2, p1-27. 27p.

Subjects: Freshwater fishes, Classification, Marine biodiversity, Object recognition (Computer vision), Aquatic ecology, Aquaculture, Image enhancement (Imaging systems)

Thermal and Magnetic Properties of Thin Film Topological Insulators.

Authors: Elsaid, Mohmmad Abdulhaq, Khaled Jamal Dahliah, Diana et al.

Source: Advances in Condensed Matter Physics; 3/26/2025, Vol. 2025, p1-11, 11p

Exploring Structural, Magnetic, and Electric Transport Properties of Sol–Gel Derived Nd0.65Ca0.35MnO3.

Authors: Singh, Bhupendra Joshi, Gaurav Tomar, Sudha et al.

Source: Advances in Condensed Matter Physics; 2/2/2025, Vol. 2025, p1-9, 9p

Exploring optical properties of transition metal dichalcogenides: unraveling the impact of spin-orbit coupling via Floquet engineering: Exploring optical properties of...: U. Kumar et al.

Authors: Kumar, Upendra Maurya, Gyanendra Kumar Kumar, Vipin et al.

Source: Optical & Quantum Electronics. Jan2025, Vol. 57 Issue 1, p1-21. 21p.

A Hybrid Dehazing and Illumination Based Approach for Preprocessing, Enhancement and Segmentation of Lung Images Using Deep Learning.

Authors: Yadav, Shashank Kumar, Upendra

Source: Traitement du Signal. Apr2025, Vol. 42 Issue 2, p1161-1172. 12p.

Doping and Pressure Effects on Yttrium Hydrogen Selenide: Tuning and Enhancing Photochromic Behavior.

Authors: Aredo, Tadesse Bekele Shura, Megersa Wodajo Afrassa, Mesfin Asfaw et al.

Source: Advances in Condensed Matter Physics; 11/8/2024, Vol. 2024, p1-18, 18p