Results 81 to 90 of about 7,748,488 (342)

All‐Aqueous Pullulan Fibers Enabling Visible‐to‐Near‐Infrared Waveguiding with Mechanical and Thermal Resilience

open access: yesAdvanced Functional Materials, EarlyView.
Pullulan, a biomass‐derived polysaccharide, is transformed into transparent optical fibers using a solvent‐free borax hydrogel‐spinning method. The fibers outperform PMMA with ≈200 MPa tensile strength and 200 °C stability, while uniquely guiding visible‐to‐NIR light and enabling additive‐free humidity sensing.
Yuya Fukata   +4 more
wiley   +1 more source

Mechanistic Insights into a Synergistic FeOx/Fe‐N4 System for Practical Nitrate Abatement with Value‐Added Ammonia Recovery

open access: yesAdvanced Functional Materials, EarlyView.
This work provides a novel interpretation of the nitrate reduction mechanism on iron oxides (FeOx) by employing constant‐potential density functional calculations and reports the design and synthesis of a robust and high‐performance Fe3O4/Fe‐N4‐C catalyst with remarkable Faradaic efficiency, current density, and stability under practical reaction ...
Qiang Zhou   +8 more
wiley   +1 more source

Barriers to Conducting Supervised Agricultural Experiences as Perceived by Preservice Education Teachers

open access: yesJournal of Human Sciences and Extension, 2014
The purpose of this descriptive study was to assess preservice agriculture teachers’ perceptions of the importance of Supervised Agricultural Experience (SAE) and their views on barriers to conducting SAE.
https://doi.org/10.54718/ATCA9032   +1 more
doaj   +1 more source

From the Editor's Desk

open access: yesJournal of Extension Education, 2020
Editorial of Journal of Extension Education 31(3)
D Puthira Prathap
doaj   +1 more source

EDUCATION AND AGRICULTURAL POLICY [PDF]

open access: yes
Agricultural and Food Policy,
Peterson, Ervin L.
core   +1 more source

Micro and Nanostructural Diversity of Lizard Osteoderm Capping Tissue in Relation to Mechanical Performance

open access: yesAdvanced Functional Materials, EarlyView.
This study shows that lizard osteoderm capping tissue is a hyper‐mineralized hydroxyapatite layer consistently covering the superficial osteoderm surface in those species studied here, yet it varies greatly in morphology, nanostructure, and mechanical performance across species.
Adrian Rodriguez‐Palomo   +10 more
wiley   +1 more source

Female participation in African agricultural research and higher education: New insights [PDF]

open access: yes
Female farmers play a vital role in African agriculture, accounting for the majority of the agricultural workforce. However, agricultural research and higher education are disproportionately led by men.
Beintema, Nienke M.   +1 more
core  

The Development of Vocational Agriculture before the Vocational Education Act 1963

open access: yes, 2020
Agricultural education programs are experiencing pressure to change from a variety of educational and societal influences. This pressure is not new to agricultural education programs.
Kitchel, Tracy, Martin, Michael
core   +1 more source

Bioprinting Organs—Science or Fiction?—A Review From Students to Students

open access: yesAdvanced Healthcare Materials, EarlyView.
Bioprinting artificial organs has the potential to revolutionize the medical field. This is a comprehensive review of the bioprinting workflow delving into the latest advancements in bioinks, materials and bioprinting techniques, exploring the critical stages of tissue maturation and functionality.
Nicoletta Murenu   +18 more
wiley   +1 more source

The Role of Agricultural Education in Ensuring National Security in Nigeria

open access: yesAgriculture and Food Sciences Research, 2016
Nigeria is presently facing serious security challenges and instability that threaten our existence as people of one destiny. This article examines the important roles agricultural education can play in ensuring our national security.
F. A. Angbre
semanticscholar   +1 more source

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