853 hasil

The temporal trends of lightning strikes and their impact on public safety in Nepal

Pitri Bhakta Adhikari; Bipana Koirala; Anjana Shrestha dkk.

Bibechana, Vol. 23 No. 2 · 2026 · Inggris · DOAJ

Nepal is a landlocked country with high topographical variation having lowest point 59m and the highest point 8848.86m from the sea level that leads to the high variation in the temperature, climatic condition, and environment that generally leads Nepal to suffer from different natural disaster…

Juga tersedia di: DOAJ

Stress transfer using the Okada dislocation model: A case study of the Gorkha Earthquake

Eak Raj Paudel; Ram Krishna Tiwari; Uday Bahadur Thapa Kshetri dkk.

Bibechana, Vol. 23 No. 2 · 2026 · Inggris · DOAJ

We study the static Coulomb stress change (ΔCFS) produced by 2015 Gorkha earthquake using a rectangular fault model and the Okada (1992) elastic dislocation solution in a homogeneous, isotropic half-space. We tested five slip scenarios (S1–S5: 2.0–6.5 m) with a shear modulus of 30 × 10⁹ Pa and…

Juga tersedia di: DOAJ

The Estimation of phytochemicals and study of biological activities of Leucas lavandulifolia sm’s (Gumma) leaf extract

Trichandra Prasad Chauhan; Dipak Raj Jaishi Janak Lal Jaishi; Siddha Raj Ojha dkk.

Bibechana, Vol. 23 No. 2 · 2026 · Inggris · DOAJ

Abstract Medicinal Plants have a long history and have been used as medicinal agents to cure a variety of diseases. The main aim of this study is the investigation of the phytochemical profile and biological activity of leaf extracts of Leucas lavandulifolia, using methanol, ethanol, ethyl acetate…

Juga tersedia di: DOAJ

Exploring the behavior of superconductors and Josephson junctions: temperature and current effects by RCSJ model

Subodh Yadav; Saddam Husain Dhobi; Shanker Prasad Chimouriya dkk.

Bibechana, Vol. 23 No. 2 · 2026 · Inggris · DOAJ

The behavior of superconductors and Josephson junctions with respect to temperature and current is discussed in this article. The damping nature of superconductors decreases with increase of temperature which increases the conductivity of superconductors and the current across the junction is…

Juga tersedia di: DOAJ

Hemodynamics through progressive symmetric shaped stenosis

Pushpa Nidhi Gautam; Ami Raj Adhikari; Jeevan Kafle

Bibechana, Vol. 23 No. 2 · 2026 · Inggris · DOAJ

The deposition of fatty particles leading to atherosclerosis may occur in arteries, which alters hemodynamics. This effect becomes more pronounced when a stenosis thickness increases continuously over time. Since atherosclerotic plaque formation is a major cause of cardiovascular disease…

Field assessment of corrosion probability in reinforced concrete structures using ASTM C876-based half-cell potential measurement in Tansen, Nepal

Madhab Gautam; Barsha Pandey; Shristi Paudel Chhetri dkk.

Bibechana, Vol. 23 No. 2 · 2026 · Inggris · DOAJ

The non-destructive, in-situ open-circuit potential mapping (OCPM) technique is used to investigate the corrosion probability conditions of rebar-embedded concretes (RECs) in urban areas of Tansen Municipality, Nepal. One hundred and three (103) REC samples of five different types are assessed in…

Synthesis of silver nanoparticles using aqueous root extract of Lantana camara and evaluation of antioxidant and antibacterial activities

Anita Bhadel; Dipak Raj Jaishi; Manisha Bhusal dkk.

Bibechana, Vol. 23 No. 2 · 2026 · Inggris · DOAJ

The present investigation employs an aqueous extract of Lantana camara for the eco-sustainable synthesis of silver nanoparticles. Because of their nanoscale dimensions, they exhibit distinctive physicochemical properties compared to bulk materials. Green synthesis is an approach for nanoparticle…

Computational repurposing of 1,2,4-triazole-based Schiff bases as anticancer candidates: target-specific docking, DFT reactivity descriptors, and ADMET profiling

Kishor Bhandari; Bhushan Shakya

Bibechana, Vol. 23 No. 2 · 2026 · Inggris · DOAJ

The epidermal growth factor receptor (EGFR) has become a key target for most researchers involved in the field of anticancer drug discovery due to its role in tumor growth and progression. A series of previously reported Schiff bases of 1,2,4-triazole (T1-T8), in this study, were chosen to evaluate…

Spatial orientation of angular momentum vectors: a comparative study of i-band spirals in SDSS Redshift slices 0.13-0.14 and 0.14-0.15

Obihang Kandangwa; Prem Bahadur Karki; Janak Ratna Malla

Bibechana, Vol. 23 No. 2 · 2026 · Inggris · DOAJ

We comparatively studied the spatial orientation of angular momentum alignment of 20,000 spiral galaxies selected from the SDSS DR16 i-band photometry. The sample is divided into two intermediate redshift ranges: 0.13-0.14 and 0.14-0.15. The 2D parameters were converted into 3D spin orientations…

Machine learning driven prediction of formation energy of AxMyM'zO6 oxides

Pratima Khadka; Sabita Pandey; Madhav Prasad Ghimire

Bibechana, Vol. 23 No. 2 · 2026 · Inggris · DOAJ

Machine learning has emerged as a powerful tool for discovering new materials, offering significantly lower computational demands compared to traditional density functional theory calculations and experimental approaches. In this work, we apply machine learning to predict formation energies of…

Elucidation of nanoscale features and antimicrobial activity of Yashad and Vanga Bhasmas

Bimal Rajchal; Mr. Yub Narayan Thapa; Deepshikha Karki dkk.

Bibechana, Vol. 23 No. 2 · 2026 · Inggris · DOAJ

Abstract Yashad Bhasma (YB) and Vanga Bhasma (VB) are traditional Ayurvedic zinc-based and tin-based formulations, respectively, enriched with therapeutic values. Despite their long history, their scientific validation, physicochemical features, and antimicrobial activity are, however, less…

Thermodynamic and transport properties of Belinostat

Narayan Gautam; Deependra Awasthi; Shyam Prakash Khanal dkk.

Bibechana, Vol. 23 No. 2 · 2026 · Inggris · DOAJ

HDACs inhibitors, Belinostat inhibits class I HDACs, class II HDACs and class IV HDAC proteins activities. Antitumor activity of Belinostat is attributed to epi- genetic control of gene expression and inhibition of protein repression. In this study, we have performed molecular dynamics simulation…

Study of orientation of spin vectors of near infrared galaxies of low redshifted SDSS DR-19 Galaxies

Birendra Prasad Yadav; Shiv Narayan Yadav; Ajay Kumar Jha dkk.

Bibechana, Vol. 23 No. 2 · 2026 · Inggris · DOAJ

This study presents an analysis of the spatial orientations of 492,268 SDSS galaxies with redshifts ranging from 0.010 to 0.150, utilizing data from the 19th data release (DR19). The primary objective of this research is to investigate the nonrandom effects associated with the orientations of…

Seismo-ionospheric coupling of two shallow and moderate earthquakes in Indonesia in 2024 observed via TEC analysis

Madhu Sudan Paudel; Basu Dev Ghimire; Narayan Prasad Chapagain

Bibechana, Vol. 23 No. 2 · 2026 · Inggris · DOAJ

This research work aimed to investigate the seismo-ionospheric coupling during two 6.4 magnitude (M6.4) earthquakes occurred in Indonesia in 2024; one on March 22, near Paciran, Indonesia (latitude, longitude: 5.87° S, 112.36° E), and another on April 9, near Tobelo, Indonesia (at latitude…

Structural, elastic, and, strain induced electronic and magnetic properties of half-Heusler alloys MnSnX (X = Ni, Cu, and Pd)

Uchit Chaudhary; Subash Dahal; Bhupal Guragain dkk.

Bibechana, Vol. 23 No. 2 · 2026 · Inggris · DOAJ

Half-metallic (HM) ferromagnetic materials have garnered significant attention due to their potential applications in solid-state electronic devices. Strain manipulation offers a promising avenue for tuning the physical properties of such materials. In this regard, the structural, elas- tic, and…

Exploration of the anti-gastric cancer potential of phytocompounds from Cinnamomum tamala using Network Pharmacology Approach

DIPAK PAUDEL; Santosh Koirala; Dhaka Ram Bhandari dkk.

Bibechana, Vol. 23 No. 2 · 2026 · Inggris · DOAJ

Plants have long served as vital sources of bioactive compounds for food, spice, and medicine. Cinnamomum tamala, a traditional Nepali spice and herbal remedy, has shown promising pharmacological potential, including anticancer properties. This study aimed to explore the anti-gastric cancer…