Vol. 19 No. 19 (2026)

Cover SW

Published: 2026-07-01

Research Article

Exploring constraints of Dirac fields on gravitational wave dephasing

Prem Raj Dhungel, Sanat Kumar Sharma, Uday Raj Khanal

1-5
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Energy-dependent anisotropy of cosmic-ray muons: A twelve-year study with IceCube Neutrino Observatory

Nabin Upadhya Dhakal, Nabin Bhusal, Manjeet Kunwar, Manil Khatiwada, Rajendra Paudel, Shiv Narayan Yadav

6-19
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Quiet time response of ionosphere over Nepal

Drabindra Pandit

20-33
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To study the surface flux distribution of the Moon by astrophotography from National Observatory, Nagarkot, Nepal

Janak Ratna Malla, Madan Arya, Saroj Raj Shahi, Walter Saurer, Binil Aryal

34-42
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Study of molecular structures, electronic properties, spectroscopic analysis and thermodynamic properties of Azulene using first-principles calculations

Tilak Khadka, Nirmal Bishwokarma, Prakash Man Shrestha, Rishi Ram Ghimire, Krishna Bahadur Rai

43-53
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A review of phases, defects and machine learning in hybrid organic-inorganic perovskite solar cells

Bikal Khanal, Madhav Prasad Ghimire

54-69
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A comprehensive photoionization model of IC 418: physical conditions, ionization structure, and chemical abundances

Nabin Bhusal, Manil Khatiwada, Niraj Dhital

70-78
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KOH-activated porous carbon from Mucuna monosperma seeds for supercapacitor applications

Sabina Sapkota, Pushpa Regmi, Nanda Bikram Adhikari, Mandira Pradhananga Adhikari

79-85
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Spatio-temporal analysis of land surface temperature in Siddharthanagar (1993–2024)

Prashamsa Shrestha , Neel Kamal Koju

86-98
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A study of orientation spin vector of g- magnitude of SDSS DR-13 galaxies having redshift 0.50 to 0.53

Rabina Kadariya, Prabin Karki, Birendra Prasad Yadav, Shiv Narayan Yadav

99-107
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Preparation and characterization of zirconia nanoparticles infused carboxymethyl cellulose hydrogel and their antimicrobial evaluation

Chaitanya Raj Naharki, Nelson Rai, Manish Man Shrestha, Shankar P. Khatiwada, Kshama Parajuli, Rameshwar Adhikari, Rajesh Pandit

108-118
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Facile production of very small nickel metal nanoparticle on the surface of oxidized multiwalled carbon nanotubes

Suman Thapa, Lok Kumar Shrestha, Sabita Shrestha

119-125
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Estimation of phytochemicals, biological activity, and formulation of cream from extract of Gaultheria fragrantissima Wall.

Sangita Lamichhane, Reshma Subedi, Nabin Kumar Thapa, Aqsa Bhat, Khaga Raj Sharma

126-137
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Comparative analysis of statistical and deep learning models for short-term LTE cell traffic prediction

Janak Dangi, Nanda Bikram Adhikari

138-145
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Characterization of candle soot obtained from combustion of candle wax for the removal of methylene blue

Nandini Choudhary , Armila Nyachhyon Rajbhandari

146-153
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Cypermethrin pesticide contamination in some vegetables available in Kathmandu market

Gita Pandey , Vinay Kumar Jha

154-160
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Eco-friendly synthesis of silver nanoparticles using dry ginger rhizome extract and exploration of their photocatalytic performance

Sujana Acharya, Kamal Prasad Sapkota

161-170
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Pattern of histological subtypes of Non-Hodgkin Lymphoma: A hospital-based study from Nepal

Ajaya Kumar Jha, Prakash Shrestha, Garima Subedi, Arvind Kumar Sinha

171-175
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An overview on actinomycetes: A source of antimicrobial compounds

Shradha Basi Chipalu, Pallavi Sthapit

176-186
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Physicochemical and microbial evaluation of water quality in the Tinau River Basin, Lumbini Province, Nepal

Anjal Mahat, Sabnam Katwal, Shruti Shakya, Bimal Tarami Magar, Samikshya Poudel, Sijan Sharma Kuinkel , Khadka Bahadur Pal, Motee Lal Sharma, Ramesh Raj Pant

187-194
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Landslide susceptibility mapping of proposed reservoir of Budhigandaki Hydropower Project and its adjacent region

Dinesh Raj Regmi, Shiksha Lamsal, Narayan Gopal Ghimire

195-208
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