Search
Now showing items 701-710 of 2715
Highly conductive phase change composites based on paraffin-infiltrated graphite panels for photo/electrothermal conversion and storage
(
Elsevier
, 2023 , Article)
The extensive utilization of phase change materials (PCMs) for thermal energy harvesting, storage, and thermal management is often constrained by their inadequate thermal and electrical conductivity, form instability, and ...
Vaccine evaluation and genotype characterization in children infected with rotavirus in Qatar
(
Springer Nature
, 2023 , Article)
Background: We characterized and identified the genetic and antigenic variations of circulating rotavirus strains in comparison to used rotavirus vaccines. Methods: Rotavirus-positive samples (n = 231) were collected and ...
Biotechnological production process and life cycle assessment of graphene
(
Hindawi
, 2017 , Article)
The aim of this study is to compare the graphene produced using a biotechnological method (Escherichia coli) with the graphene produced by Hummers' method (a chemical method) and to study the effect on the energy consumption ...
Rebuilding Education: STEM Education Practices and Research during the Post-COVID-19 Era
(
SAGE Publications Ltd
, 2023 , Book)
COVID-19 resulted in an unprecedented transformation in the context of learning and teaching, wherein a significant shift in the different realms of educational attainment was observed [1]. This Special Issue in Sustainability, ...
Understanding the mechanics of complex topology of the 3D printed Anthill architecture
(
Oxford University Press
, 2022 , Article)
The present work aimed to investigate the deformation behavior of complex ant mound architectures under compression. We have used the cement casting method to extract four different ant nest morphologies. These casted ...
نافذة مركز ابن خلدون على السياسة أبريل 2022
(
مركز ابن خلدون للعلوم الإنسانية والاجتماعية - جامعة قطر
, 2022 , Other)
هذه نشرة شهرية يصدرها مركز ابن خلدون للعلوم الإنسانية والاجتماعية هي العدد الرابع من المجلد الثاني، وقد تضمنت مواضيع عدة، منها: نظرية الحرب العادلة، ومفهوم استراتيجية القَطر " الالتحاق"، وتضمنت النشرة عرضا موجزا لقضية ...
Data on the synthesis and characterizations of carboxylated carbon-based catalyst from eucalyptus as efficient and reusable catalysts for hydrolysis of eucalyptus
(
Elsevier Inc.
, 2020 , Other)
The presented article reports the preparation and characterization of heterogeneous carbon catalyst enriched with carboxylic group denoted as (ECS) from Eucalyptus as an efficient catalyst for the hydrolysis of woody ...
Qatar Culture Collection of Microalgae: A Sustainable Source for Biodiesel Production and Omega Fatty Acid Compounds
(
Hamad bin Khalifa University Press (HBKU Press)
, 2016 , Conference Paper)
Microalgae are photosynthetic microorganisms that can grow in different environments (sea water, fresh water, waste water soil, rocks…) and under various conditions (Light, pH, temperature, salinity…). During their phases ...
Ethanolic extract of Origanum syriacum L. leaves exhibits potent anti-breast cancer potential and robust antioxidant properties
(
Frontiers Media
, 2022 , Article)
Background: Breast cancer (BC) is the second most common cancer overall. In women, BC is the most prevalent cancer and the leading cause of cancer-related mortality. Triple-negative BC (TNBC) is the most aggressive BC, ...
Improving Quality and Operational Performance of Service Organizations: An Empirical Analysis Using Repeated Cross-Sectional Data of U.S. Firms
(
IEEE
, 2022 , Article)
Research in quality management has provided new insights and directions on how to incorporate quality principles into organizational, operational, and policy decisions. However, most research into quality management has ...