Results 81 to 90 of about 3,239,262 (362)

Eksperimen Pembelajaran Matematika Dengan Model Student Team Achievement Division (STAD) dan Two Stay–Two Stray (TS–TS) Terhadap Hasil Belajar Ditinjau Dari Motivasi Belajar Siswa Kelas VIII SMP Negeri 2 Colomadu Semester Gasal Tahun 2017/2018. [PDF]

open access: yes, 2018
Ratna Puji Lestari/A410120235. Eksperimen Pembelajaran Matematika Dengan Model Student Team Achievement Division (STAD) dan Two Stay–Two Stray (TS–TS) Terhadap Hasil Belajar Ditinjau Dari Motivasi Belajar Siswa Kelas VIII SMP Negeri 2 Colomadu Semester ...
-, Mohamad Waluyo, S.Pd. M.Sc.   +1 more
core  

The Eight Dimensional Quantum Hall Effect and the Octonions

open access: yes, 2003
We construct a generalization of the quantum Hall effect where particles move in an eight dimensional space under an SO(8) gauge field. The underlying mathematics of this particle liquid is that of the last normed division algebra, the octonions.
B. Grossman   +5 more
core   +1 more source

Observations on student difficulties with mathematics in upper-division electricity and magnetism

open access: yes, 2012
We discuss common difficulties in upper-division electricity and magnetism (E&M) in the areas of Gauss’s law, vector calculus, and electric potential using both quantitative and qualitative evidence.
Rachel E. Pepper   +3 more
semanticscholar   +1 more source

The Hierarchical Structure of Sheep Wool and Its Impact on Physical Properties

open access: yesAdvanced Functional Materials, EarlyView.
Sheep wool, a prevalent α‐keratinous fiber, is an essential model for studying protein‐based fibers. Its genetic diversity across breeds enables the establishment of multiscale structure‐property relationships, uncovering previously elusive insights into wool's hierarchical structure.
Serafina R. France Tribe   +9 more
wiley   +1 more source

Unlocking the Full Potential of MgAgSb by Unravelling the Interrelation of Phase Constitution and Thermoelectric Properties

open access: yesAdvanced Functional Materials, EarlyView.
Persistent secondary phases govern the performance of many thermoelectric materials, particularly of high performance MgAgSb. In this study advanced microstructural characterization for unequivocal phase identification combined with transport modeling and statistical analysis enabled the quantification of each phase's impact, revealing the most ...
Amandine Duparchy   +3 more
wiley   +1 more source

Partial derivative games in thermodynamics: A cognitive task analysis

open access: yesPhysical Review Special Topics. Physics Education Research, 2014
Several studies in recent years have demonstrated that upper-division students struggle with the mathematics of thermodynamics. This paper presents a task analysis based on several expert attempts to solve a challenging mathematics problem in ...
Mary Bridget Kustusch   +3 more
doaj   +1 more source

Making Upper Division Mathematics Courses Relevant for Pre-Service Teachers [PDF]

open access: yes, 2003
This article addresses the disconnect that in-service and pre-service secondary school teachers feel between the material presented in upper division mathematics courses and high school classroom practice.
Hill, G.
core   +1 more source

A Conversation with George G. Roussas

open access: yes, 2011
George G. Roussas was born in the city of Marmara in central Greece, on June 29, 1933. He received a B.A. with high honors in Mathematics from the University of Athens in 1956, and a Ph.D.
Bhattacharya, Debasis   +1 more
core   +1 more source

Oxygen Evolution Reaction by Ni‐Hexacyanoferrates Nanocubes Integrated with Trigonal Selenium: Effect, Properties and Performances

open access: yesAdvanced Functional Materials, EarlyView.
This work describes a novel approach to obtain composite submicrometric structures of nickel hexacyanoferrate integrating trigonal selenium with the aim of enhancing the catalytic efficiency in oxygen evolution reaction (OER). Interestingly, the nanostructures undergo a cube‐to‐sphere transition that optimizes surface properties, leading to superior ...
Edlind Lushaj   +10 more
wiley   +1 more source

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