Results 161 to 170 of about 133,858 (313)

The struggle for a socially-just pedagogy: an ethnographic study of a mathematics classroom

open access: yes, 1999
This study is based in a social-constructivist framework, interpreted through the lens of feminist and other emancipatory writing. The researchers combine ethnographic and action research methods to explore the activity of a teacher working in what she ...
Edwards, Julie-Ann, Jones, Keith
core  

On Determination Method for Resolution of Secondary Electron Images in Scanning Electron Microscopy

open access: yesAdvanced Science, EarlyView.
An idealized SEM, termed Rayleigh's microscope, is constructed by Monte Carlo simulation to represent imaging conditions that just satisfy the Rayleigh criterion. Based on this physically defined model, sharpness–resolution conversion curves are established and combined with the Rose criterion, enabling automated resolution evaluation from practical ...
Tongfang Yang, Yanbo Zou, Zejun Ding
wiley   +1 more source

An Investigation of beliefs and attitudes of high school students in the Solomon Islands towards learning mathematics

open access: yes, 2014
Mathematics is omnipresent in all walks of life in our society. For instance, every day, citizens all over the world are faced with a complex array of mathematics–from mathematics of business and employment to risks of household accidents. A knowledge of
Kele, Andriane
core  

Adult Sex Ratio as a Demographic Feedback Linking Mating Systems, Parental Care, and Evolution

open access: yesAdvanced Science, EarlyView.
Breeding systems are some of the most diverse social behavior, and our team is investigation the evolutionary causes of this diversity. This review summarises our research carried out at the University of Bath. We argue that demographic components of wild populations, especially the adult sex ratio, plays a key role driving breeding system variation ...
Tamás Székely, Oscar G. Miranda
wiley   +1 more source

Traction Force Microscopy for Viscoelastic Substrates: A Semi‐Analytical Method

open access: yesAdvanced Science, EarlyView.
A semi‐analytical viscoelastic traction force microscopy framework is introduced for quantifying time‐resolved cell tractions on flat finite‐thickness substrates. The method generalizes elastic traction force microscopy to Generalized Maxwell materials, identifies when elastic approximations remain valid and, when they do not, shows that inferred ...
Adrià Villacrosa‐Ribas   +10 more
wiley   +1 more source

Detecting gerrymandering with mathematical rigor

open access: yes, 2020
Presented on February 6, 2020 at 1:30 p.m. in Skiles, room 005.Wesley Pegden is an associate professor in the Department of Mathematics at Carnegie Mellon University.
Pegden, Wesley
core  

Large‐Scale Genomics Reveals Three‐Source Ancestry and Layered Adaptation to High Altitude in Tibetan Chickens

open access: yesAdvanced Science, EarlyView.
Whole‐genome analysis of 1,054 chickens reveals three ancestral sources (NWC, SYA, and SHF) with distinct temporal entry patterns into the Tibetan Plateau. Route‐specific selection scans, calibrated against a demographic null, suggest complementary functional enrichments—vascular homeostasis (NWC), calcium signaling and cardiac adaptation (SYA), and ...
Zongyi Zhao   +7 more
wiley   +1 more source

Foundations and methodology of the discipline mathematics education (didactics of mathematics) Proceedings

open access: yes, 1988
SIGLECopy held by FIZ Karlsruhe / FIZ - Fachinformationszzentrum Karlsruhe / TIB - Technische ...
Vermandel, A. (Universitaire Instelling Antwerpen, Wilrijk (Belgium). Dept. of Teacher Education) (eds.)   +1 more
core  

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