Results 181 to 190 of about 1,211,871 (328)

Mathematical Education in Early Christian Authors

open access: hybrid, 2023
Светлана Олеговна Ларионова
openalex   +2 more sources

Strong Proton‐Phonon Coupling Drives Fast Ion Transport in Perovskites

open access: yesAdvanced Science, EarlyView.
Experimental and computational phonon analysis of ABO3‐type proton conductor BaSnO3 shows that substitution on the B‐site with yttrium forms an imaginary phonon mode which is instrumental for the function as proton conductor. This overcompensates the adverse proton trapping effect of the yttrium.
Alexey Rulev   +8 more
wiley   +1 more source

Mathematical Education

open access: yes, 2005
This essay, originally published in the Sept 1990 Notices of the AMS, discusses problems of our mathematical education system that often stem from widespread misconceptions by well-meaning people of the process of learning mathematics. The essay also discusses ideas for fixing some of the problems.
openaire   +2 more sources

Free‐Standing Halogen‐Bonded Nanosheets Formed by Ultrasonic Liquid Exfoliation

open access: yesAdvanced Science, EarlyView.
Free‐standing nanosheets held together by halogen bonding interactions (XB), formed through ultrasonic liquid exfoliation of layered molecular crystals, are reported here for the first time. The work challenges the conventional requirement for strong in‐layer interactions for the formation of stable nanosheets through liquid exfoliation and establishes
Prioti Choudhury Purba   +9 more
wiley   +1 more source

Estimating the BenefiÂ…t of High School for College-Bound Students [PDF]

open access: yes
Studies based on instrumental variable techniques suggest that the value of a high school education is large for potential dropouts, yet we know much less about the size of the benefiÂ…t for students who will go on to post-secondary education.
Morin, Louis-Philippe
core  

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