Results 61 to 70 of about 20,549 (170)

Geochemistry and petrogenesis of the Alamkandi granitoid body and Fe skarn (west of Mahneshan, the Zanjan province)

open access: yesJournal of Economic Geology, 2021
Introduction Fe skarn deposits are the largest skarn deposits which are exploited for Fe as well as by-products of Cu, Co, Ni and Au (Meinert et al., 2005).
Farzaneh Nouri   +3 more
doaj   +1 more source

Digital Holographic Microscopy of Phase Separation in Multicomponent Lipid Membranes [PDF]

open access: yes, 2016
Lateral in-homogeneities in lipid compositions cause microdomains formation and change in the physical properties of biological membranes. With the presence of cholesterol and mixed species of lipids, phospholipid membranes segregate into lateral domains
Darudi, Ahmad   +3 more
core   +1 more source

Automatic Method for Identifying Photospheric Bright Points and Granules Observed by Sunrise

open access: yes, 2014
In this study, we propose methods for the automatic detection of photospheric features (bright points and granules) from ultra-violet (UV) radiation, using a feature-based classifier.
Amiri, Ali   +3 more
core   +1 more source

Economic and Technical Assessment of Wind Potential Using SARIMAX Time Series Models: Wind Speed Forecasting and Analysis

open access: yesEnergy Science &Engineering, Volume 14, Issue 2, Page 973-998, February 2026.
The wind energy potential of Khaf was evaluated for 2025 using 15 years of wind data combined with advanced forecasting models, SARIMAX and Prophet. This integrated framework enables precise estimation of wind power density and optimal turbine selection, paving the way for the efficient and sustainable development of wind farms in the region.
Mohammad Amin Valizadeh   +3 more
wiley   +1 more source

Three-dimensional Brownian diffusion of rod-like macromolecules in the presence of randomly distributed spherical obstacles: Molecular dynamics simulation

open access: yes, 2010
Brownian diffusion of rod-like polymers in the presence of randomly distributed spherical obstacles is studied using molecular dynamics (MD) simulations.
Farzaneh Sakha   +2 more
core   +1 more source

Factors Related to Moral Courage of Nursing Students in Zanjan [PDF]

open access: yesPreventive Care in Nursing and Midwifery Journal, 2020
Background: Moral courage is an important criterion in nursing for moral care. Enormous moral challenges facing students of nursing in their clinical environment require being morally courageous.
Nasrin Hanifi   +2 more
doaj  

A 2-D suspension of active agents: the role of fluid mediated interactions

open access: yes, 2016
Taking into account simultaneously the Vicsek short range ordering and also the far-field hydrodynamic interactions mediated by the ambient fluid, we investigate the role of long range interactions in the ordering phenomena in a quasi 2-dimensional ...
Behmadi, Hojjat   +2 more
core   +1 more source

Chemical Characterization and Allelopathic Effects of Ambrosia psilostachya (Asteraceae)

open access: yesChemistry &Biodiversity, Volume 23, Issue 1, January 2026.
ABSTRACT Ambrosia spp. have been introduced and distributed across different continents as an invasive alien plant species. The present study aimed to identify the chemical components of essential oil isolated from different parts of Ambrosia psilostachya and evaluate the phytotoxic effect of its aqueous extracts on the growth parameters of Phaseolus ...
Hesan Saberi   +5 more
wiley   +1 more source

Study of Golabar dam reservoir in Zanjan province (Zanjan Province)

open access: yes, 2017
The limnological study of the Golabar dam showed that in the Glabar dam inspite of bing its early establishment due to high nutrient and organic matter is located in eutrophic stage. the pH as well as bicarbonate levels shows that buffering capacity of the lake is high and the value of inorganic and organic matter measured are not considered as ...
Babaei, Hadi   +24 more
openaire   +3 more sources

Correction to: Effective Factors on Delayed Onset of Treatment in Patients with Acute Myocardial Infarction

open access: yesJournal of Mazandaran University of Medical Sciences, 2018
Correction to: Effective Factors on Delayed Onset of Treatment in Patients with Acute Myocardial Infarction     Ensiyeh Rezaee1, Nasrin Hanifi2, Mahin Rohani3, Soghrat Faghih Zadeh4   1 MSc Student in Critical Care Nursing, Faculty of Nursing and ...
Ensiyeh Rezaee   +3 more
doaj  

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