Results 81 to 90 of about 5,303,694 (282)

Coordinated Architectural and Chemical Reinforcement in the Crushing Mandible of a Soldier Termite

open access: yesAdvanced Functional Materials, EarlyView.
The crushing mandible of a soldier termite withstands substantial biting loads despite lacking mineral. Its cuticle is partitioned: convex teeth pair hardness and zinc enrichment with aligned chitin fibers for contact durability, while stiffer concave regions between teeth carry bending loads.
Andrew Tran Nguyen   +16 more
wiley   +1 more source

From ISIS to CouchDB: Databases and Data Models for Bibliographic Records

open access: yesCode4Lib Journal, 2011
For decades bibliographic data has been stored in non-relational databases, and thousands of libraries in developing countries still use ISIS databases to run their OPACs.
Luciano Ramalho
doaj  

A Cross-National Comparison of Nomination Criteria for Gifted Individuals: A PRISMA-Based Systematic Review

open access: yesİnönü Üniversitesi Eğitim Fakültesi Dergisi
This study provides a comparative examination of nomination processes for gifted students across different countries. In order to reveal how identification criteria vary internationally, a systematic literature review was conducted in line with the ...
Belgin Bağrıaçık   +2 more
doaj   +1 more source

Advantages and disadvantages of the document-oriented databases

open access: yes, 2022
U ovom radu su promatrane prednosti i nedostaci dokumentno orijentiranih baza podataka na način da su se testirala prosječna vremena izvođenja različitih jednostavnih i često korištenih upita.
Barić, Matija
core  

Nitride MXenes Beyond Carbides: Bridging the Gap Between Computational Prediction and Experimental Realization

open access: yesAdvanced Functional Materials, EarlyView.
Nitride MXenes remain constrained by a persistent gap between computational prediction and experimental realization. This Review identifies the thermodynamic, kinetic, and chemical barriers limiting their synthesis, critically evaluates emerging fabrication routes, and proposes a multidimensional computational‐experimental framework to accelerate the ...
Naresh Varnakavi, Masoud Soroush
wiley   +1 more source

Water education: A valuable tool for water sustainability

open access: yesInternational Journal of Occupational Safety and Health
Introduction: Water is a fundamental natural resource for health, social well-being and sustainable development. Despite the implementation of technical and institutional measures, water challenges persist, highlighting the need for interventions that ...
Elizabeth Vgenopoulou   +3 more
doaj   +1 more source

Evolving Trends in Teacher Self-Efficacy Research: A BibliometricReview (2020–2025) [PDF]

open access: yesRevista de Știinţe Educaţiei
Despite the rapid expansion of self-efficacy research in education, little is known about how thematic priorities and conceptual orientations have evolved in recent years—particularly in response to changing educational contexts and technological ...
Ana-Maria MADINA, Daniel MARA
doaj   +1 more source

Analysis of modeling document-oriented NoSQL databases [PDF]

open access: yes, 2020
Popularnost podatkovnih baz NoSQL narašča predvsem zaradi podpore fleksibilnosti, preprostosti in učinkovitega reševanja problemov shranjevanja velike količine tako strukturiranih kakor tudi nestrukturiranih podatkov.
Šiško, Primož
core  

Organic Materials of Tomorrow: Horizons of Artificial Intelligence

open access: yesAdvanced Materials, EarlyView.
This review examines machine learning techniques accelerating the discovery of organic semiconductors by linking molecular structure to properties. Key methods include graph neural networks, generative models, and active learning. Applications to organic photovoltaics demonstrate practical impact.
Harold Mena   +3 more
wiley   +1 more source

Schema Evolution in Object-oriented Databases

open access: yes, 1997
Changes in the real world may require both the database population and the database schema to evolve. Particularly, this is the case in CAD/CAM and CASE database systems, in which the design objects constantly evolve in every aspect.
Li, Xue, Xue Li
core  

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