Results 21 to 30 of about 2,920 (117)

Development and validation of a green spectrophotometric method for simultaneous determination of combined pharmaceutical dosage form (paracetamol and caffeine) using chemometrics technique in comparison with HPLC

Eclética Química
A green analytical method, a simple, fast, and cost-effective simultaneous spectrophotometric method using two chemometric techniques, the partial least square regression (PLS) and principal component regression (PCR), for determining a combination of ...
Bushra Alattab, Fares Abdullah Alarbagi, Maher Ali Almaqtari, Entesar Alhuraishi, Hussein Al-Maydama   +4 more
doaj   +1 more source

Shower and Slow Particle Productions in Nucleus-Nucleus Collisions at High Energy

Advances in High Energy Physics, 2014
The multiplicity distributions of shower, grey, and black particles produced in interactions of 4He, 12C, 16O, 22Ne, and 28Si with emulsion (Em) at 4.1–4.5 A GeV/c beam energies, and their dependence on target groups (H, CNO, and AgBr) is presented and ...
S. Fakhraddin, Magda A. Rahim, Hamdy M. M. Zayd   +2 more
doaj   +1 more source

Assessing the performance of several numerical methods for estimating Weibull parameters for Wind Energy Applications: A case study of Al-Hodeidah in Yemen

Energy Reports, 2023
The estimation of wind potential is generally assessed using the two parameters of Weibull distribution (k, c). Relative Percentage Error (RPE), Root Mean Square Error (RMSE), Mean Absolute Error (MAE), Relative Root Mean Square Error (RRMSE ...
Waleed S.A. Hasan, Ali Saif M. Hassan, Mohamed A. Shukri   +2 more
doaj   +1 more source

Knowledge and Attitudes of Sana'a University Medical Students towards Premarital Screening

Yemeni Journal for Medical Sciences, 2016
Objectives: To assess the knowledge and attitudes of Sana’a University medical students towards premarital screening (PMS). Methods: A cross-sectional study was conducted among the students of the Faculty of Medicine and Health Sciences, Sana’a ...
Hafiz A. Al-Nood, Mohammed M. Al-Akmar, Ekram F. Al-Erynai   +2 more
doaj   +3 more sources

Nasal Carriage and Methicillin Resistance of Staphylococcus aureus among Schoolchildren in Sana’a City, Yemen

International Journal of Microbiology, 2021
Background. Staphylococcus aureus (S. aureus) is a frequent cause of serious health problems with high morbidity and mortality. The risk of S. aureus infections is increased with the emergence of methicillin-resistant S. aureus (MRSA). This study aims to
Arwa Mohammed Othman, Belques Sharaf Al-Huraibi, Rowa Mohammed Assayaghi, Huda Zaid Al-Shami   +3 more
doaj   +1 more source

Institutional Fragility and E‐Business Adoption: A Study of SMEs in a Conflict‐Affected Economy

Strategic Change, EarlyView.
ABSTRACT This study examines e‐business adoption among SMEs in Yemen, a conflict‐affected and institutionally fragile economy. Drawing on a mixed‐methods design, it combines Partial Least Squares Structural Equation Modelling (PLS‐SEM) with qualitative interviews to analyse how war and firm size moderate the effects of key adoption drivers and barriers.
Ahmed Abdullah, Ahmed Almoraish, Abdul‐Fatahi Abdulai, Ahmad Samed Al‐Adwan, Wail Alhakimi, Ziad Abdelmoety   +5 more
wiley   +1 more source

Microbial and physicochemical assays of paracetamol in different brands of analgesic syrups sold in Sana’a City-Yemen [PDF]

Journal of Pharmacy & Pharmacognosy Research, 2015
Context: Contamination of pharmaceuticals with microorganisms irrespective whether they are harmful or nonpathogenic can bring about changes in physicochemical characteristics of the drugs.
Ali G. Al−Kaf, Saeed M. Alghalibi, Wadhah H. Edrees   +2 more
doaj  

Bridging Leadership Development and Hip‐Hop Culture: Empowering Black Students Through Culturally Responsive Educational Approaches

New Directions for Student Leadership, Volume 2025, Issue 185, Page 89-95, Spring 2025.
ABSTRACT Hip‐hop music and culture have existed for decades in the United States. Since the 1970s, five critical elements have been defined as parts of hip‐hop culture: the MC (oral), the DJ (aural), graffiti (visual), knowledge (mental), and breakdancing (physical).
Jesse R. Ford, Jason K. Wallace, Johnnie L. Allen   +2 more
wiley   +1 more source

Bilateral Abductor Vocal Fold Paralysis; Outcomes of Surgical Management in Adult Yemeni Patients

The Turkish Journal of Ear Nose and Throat
Objective: Bilateral vocal fold paralysis is characterised by complete or partial immobilisation of the vocal folds, resulting in narrowing of the airway at the glottic level and breathing difficulty. This study aimed to evaluate the outcomes of surgical
Ali Obaid Muthanna, Nasser Y Al-ozaib
doaj   +1 more source

Monitoring of Organochlorine Pesticide Residues in Groundwater Samples from Sana’a City (Yemen) by Gas Chromatography Using Solid Phase Extraction Method [PDF]

Journal of Plant Protection and Pathology, 2018
Residue values of organochlorine pesticides (OCPs) in groundwater samples from Sana’a, the capital of Yemen, are reported. A total of 60 water samples from 10 main sampling sites in Sana’a City were extracted with the extraction solvents (Dichloromethane
M. Hashim, G. Awadh
doaj   +1 more source