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Showing 13 to 24 of 65127 entries
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The concept of the taxon cycle in biogeography

STEM and diversify

Bermingham E, Ricklefs RE.
GSID: bbTa-PVMp8QJ
RE Ricklefs, E Bermingham - Global Ecology and …, 2002 - Wiley Online Library

… An important aspect of Erwin's idea is that each taxon has a core set of favourable habitats within which most of the stem lineages diversify. Taxon pulses are irreversible, and habitat …

A molecular genetic time scale demonstrates Cretaceous origins and multiple diversification rate shifts within the order Galliformes (Aves)

STEM and diversification

Brown JW, Mooers AØ, Stein RW.
GSID: _W_7ifH2jDoJ
RW Stein, JW Brown, AØ Mooers - Molecular phylogenetics and evolution, 2015 - Elsevier

… mode of diversification in the Galliformes conforms to a three-pulse model, with three-stem lineages arising in the Cretaceous and inter and intrafamilial diversification occurring after the …

Deposition and characterization of titanium carbide coatings using laser ablation method

EPSCoR Research Infrastructure Improvement Program AND Program Evaluation

Kumar A.
GSID: NzlpPzDzRwEJ
A Kumar, HL Chan, JS Kapat - Applied surface science, 1998 - Elsevier

Carbide coatings have a large number of applications in modern technology owing to their interesting, and in some ways unique, physical and chemical properties. Thin film coatings of titanium carbide were deposited on Si (100) substrates using pulsed laser...

A research approach to designing chemistry education using authentic practices as contexts

Science education

Bulte AMW, Westbroek HB.
GSID: Zf8MOV5Guv4J
AMW Bulte, HB Westbroek, O de Jong… - International journal of …, 2006 - Taylor & Francis

We discuss how to reduce the incongruence between the outcomes (both cognitive and affective) of the conventional secondary chemistry curriculum and what is to be attained: the …

Process drama as a tool for teaching modern languages: supporting the development of creativity and innovation in early professional practice

teaching innovation

Hulse B.
GSID: Am4v0wvopNIJ
B Hulse, A Owens - Innovation in Language Learning and …, 2019 - Taylor & Francis

This paper reflects on issues arising from a research-informed learning and teaching project intended to enable student teachers of Modern Languages to experiment with the use of unscripted ‘process drama’ in their classroom practice. The idea that process drama...

Teaching concepts in contexts: designing a chemistry teacher course in a curriculum innovation

teaching innovation

Stolk M, Bulte A, Pilot A.
GSID: IsPON-kMe6cJ
M Stolk, A Bulte, O Jong, A Pilot - Research and the quality of Science …, 2005 - Springer

… innovation of the secondary school chemistry curriculum in the Netherlands, for which a governmental committee has proposed the implementation of teaching … (a) The use of innovative teaching materials is essential to make the general curriculum innovation goals...

Cancellation of timing and amplitude jitter in symmetric links using highly dispersed pulses

Theoretical frames STEM

Clausen CB, Mecozzi A, Shtaif M.
GSID: xkUrssGPm6MJ
A Mecozzi, CB Clausen, M Shtaif… - IEEE Photonics …, 2001 - ieeexplore.ieee.org

… cancellation and show, theoretically and experimentally, that … The validity of this approximation stems from the fact that the … agreement with the theoretical predictions made above. To …

The conceptions of chemistry teachers about teaching and learning in the context of a curriculum innovation

teaching innovation

van JH, Bulte AMW, Verloop N.
GSID: tmNXrRYPAdAJ
JH van Driel, AMW Bulte, N Verloop - International Journal of …, 2005 - Taylor & Francis

… innovation projects. The present study focused on teachers’ beliefs about the teaching and learning of chemistry in the context of an innovation … This innovation was mainly inspired by the fact that the number of students who choose...

Basestation modulation diversity for digital simulcast

diversity

[No authors listed]
GSID: U01W6ZjdPhQJ
A Wittneben - [1991 Proceedings] 41st IEEE Vehicular …, 1991 - ieeexplore.ieee.org

… diversity scheme is proposed for simulcast systems which use linear QAM (quadrature amplitude modulation) type modulation. With this method the bandwidth efficiency is fully preserved because each base station uses the same base pulse. Modulation diversity … diversity...

Let's talk: An examination of parental involvement as a predictor of STEM achievement in math for high school girls

STEM and girls

Busse RT, Howard KE, Howard NR.
GSID: WFxwT6B4rFgJ
NR Howard, KE Howard, RT Busse… - Urban …, 2019 - journals.sagepub.com

… girls as professionals in STEM fields. Although the central focus of this article is STEM achievement and parental involvement for all girls, it … conversations specifically about girls of color …

Female house crickets, Acheta domesticus, prefer the chirps of large males

STEM and males

Gray DA.
GSID: Ue-9SmB7XG4J
DA Gray - Animal behaviour, 1997 - Elsevier

… males had higher chirp rates and that dominant males … stem from differences in the source populations. If females prefer chirps with more pulses per chirp, then why do smaller males not …

Instability Study of Repetitive Nanosecond Pulsed Discharge Plasma in a Plasma Assisted Burner

EPSCoR Research Infrastructure Improvement Program AND Program Evaluation

Askari O, Zare S.
GSID: 0oDTrZ7jbSgJ
S Zare, O Askari - ASME International Mechanical …, 2020 - asmedigitalcollection.asme.org

High velocity flows, as in aerospace applications require special techniques to stabilize and ignite diffusion flames. Some techniques focus on changing parameters like geometry, conditions of the flow, or fuel composition, but these techniques are usually too expensive or...

Showing 13 to 24 of 65127 entries