Results 41 to 50 of about 16,024,442 (290)

Natural convection in an enclosure with a pair of cylinders under magnetic field

open access: yesCase Studies in Thermal Engineering, 2022
This two-dimensional numerical study investigates magnetohydrodynamic unsteady natural convection heat transfer inside an enclosure with two heated circular cylinders within it in the horizontal mid-plane. The fluid is incompressible and Newtonian.
Gopal Chandra Pal   +4 more
doaj   +1 more source

The Natural History of Illinois: Illinois State Laboratory of Natural History Bulletin Volume 1 no. 2 [PDF]

open access: yes, 1878
This is the second of a series of publications, issued by authority of the State Board of Education of Illinois, and designed especially to elucidate the natural history of this State. The first number was published in December, 1876, as Bulletin No.
Illinois State Laboratory of Natural History
core  

Biophysical approaches for studying viral entry

open access: yesFEBS Letters, EarlyView.
Viruses infect all living organisms and have been responsible for major epidemics and pandemics. Their ongoing evolutionary battle with host defenses creates a constant need for improved tools to study viral behavior. Advancing methods to probe viral attachment, fusion, and genome release deepen our understanding of how infections begin and support the
Inbar Yosibash, Raya Sorkin
wiley   +1 more source

College of Natural Resources (Quarterly)

open access: yes, 2015
This is the quarterly news magazine of Virginia Tech's College of Natural ...
Virginia Polytechnic Institute and State University. College of Natural Resources
core   +2 more sources

Improvement of student’s argumentation skill through problem-based learning in the concept of nervous and endocrine system disorders

open access: yesAssimilation
21st-century education directs learners to develop the skills of argumentation. Argumentation skills are the intellectual abilities involved in solving problems, making judgments and decisions, and formulating ideas and beliefs.
Resti Lutfiani   +2 more
doaj   +1 more source

Bridging Psychological and Educational Research on Rational Number Knowledge

open access: yesJournal of Numerical Cognition, 2018
In this paper we focus on the development of rational number knowledge and present three research programs that illustrate the possibility of bridging research between the fields of cognitive developmental psychology and mathematics education.
Xenia Vamvakoussi   +2 more
doaj   +1 more source

Hydric Erosion Mapping Enhancement in Korifla Sub-Watershed (Central Morocco)

open access: yesJournal of Landscape Ecology, 2023
In recent years quantitative and qualitative methods integration has become common in investigating and modeling hydric erosion. The present study focuses on using a synergistic approach of the Erosion Potential Model (EPM) and Priority Actions Program ...
Eddefli Fatimazahra   +5 more
doaj   +1 more source

The Natural History of Illinois: Illinois Museum of Natural History Bulletin Volume 1 No. 1 [PDF]

open access: yes, 1876
...the issue of a series of publications has been undertaken, which it is intended to devote especially to the natural history of Illinois. These bulletins will contain original contributions to a knowledge of any department of the natural history of the
Illinois Museum of Natural History
core  

The human gut microbiome across the life course

open access: yesFEBS Letters, EarlyView.
Despite significant individual variation and continuous change throughout life, the human gut microbiome follows some life stage‐specific trends. This article provides a brief overview of how gut microbiome composition shifts across different phases of life. Created in BioRender. Özkurt, E. (2026) https://BioRender.com/8q4nrnc.
Alise J. Ponsero   +4 more
wiley   +1 more source

Do We Have a Sense for Irrational Numbers?

open access: yesJournal of Numerical Cognition, 2017
Number sense requires, at least, an ability to assess magnitude information represented by number symbols. Most educated adults are able to assess magnitude information of rational numbers fairly quickly, including whole numbers and fractions.
Andreas Obersteiner, Veronika Hofreiter
doaj   +1 more source

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