Výsledky vyhledávání - "Maria J. Schroeder"

Differential Use of Study Approaches by Students of Different Achievement Levels

Autor: Diane M. Bunce, Regis Komperda, Debra K. Dillner, Shirley Lin, JudithAnn R. Hartman, Maria J. Schroeder, Melonie A. Teichert

Publikováno v: Journal of Chemical Education. 94:1415-1424

This study examined similarities and differences in study approaches reported by general chemistry students performing at different achievement levels. The study population consisted of freshmen enrolled in a required year-long general chemistry cour

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::ac4a9d51dbbc0349cf0a32d951a1e686
https://doi.org/10.1021/acs.jchemed.7b00202

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Choice of Study Resources in General Chemistry by Students Who Have Little Time To Study

Autor: Debra K. Dillner, Regis Komperda, Diane M. Bunce, Shirley Lin, Maria J. Schroeder, JudithAnn R. Hartman

Publikováno v: Journal of Chemical Education. 94:11-18

Students with an insufficient amount of time to study are becoming more prevalent in the general college population as many who enroll in college have competing responsibilities (full-time jobs, childcare, etc.). Such students are likely to choose st

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::bbfabf1b7659b66d17ad98fe6aa1435e
https://doi.org/10.1021/acs.jchemed.6b00285

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Dielectric studies of tetraaryl and triaryl polycarbonates and comparisons with bisphenol A-polycarbonate

Autor: John J. Fontanella, Maria J. Schroeder, Mary C. Wintersgill, Joseph F. Lomax, Shady Helmi Awwad, Tsvetanka Filipova, C.A. Edmondson, David A. Boyles, John T. Bendler

Publikováno v: Journal of Polymer Science Part B: Polymer Physics. 50:289-304

The relative permittivity, loss, and breakdown strength are reported for a commercial sample of bisphenol A-polycarbonate (comm-BPA-PC) and a purified sample of the same polymer (rp-BPA-PC) as well as for two new polycarbonates having low molecular c

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::35d40706bb67474050e2d7dde41e7fce
https://doi.org/10.1002/polb.23010

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Integrated Laboratories: Laying the Foundation for Undergraduate Research Experiences

Autor: Jeffrey P. Fitzgerald, Maria J. Schroeder, Debra K. Dillner, Robert F. Ferrante

Publikováno v: Journal of Chemical Education. 88:1623-1629

Interest in undergraduate student research has grown in response to initiatives from various professional societies and educational organizations. Participation in research changes student attitudes towards courses as they realize the utility and rel

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::3286a98fe1ed9030b85a420a05849f1c
https://doi.org/10.1021/ed101180f

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The nearly constant loss, Johari-Goldstein β-relaxation, and α-relaxation of 1,4-polybutadiene

Autor: Maria J. Schroeder, C. Michael Roland, K. L. Ngai

Publikováno v: Journal of Polymer Science Part B: Polymer Physics. 45:342-348

From high-resolution dielectric spectroscopy measurements on 1,4-polybutadiene (1,4-PB), we show that in addition to the structural α-relaxation and higher frequency secondary relaxations in the spectra, a nearly constant loss (NCL) is observed at s

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::412334578d92c25152d1981e30fc2de4
https://doi.org/10.1002/polb.21051

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Evolution of the Dynamics in 1,4-Polyisoprene from a Nearly Constant Loss to a Johari−Goldstein β-Relaxation to the α-Relaxation

Autor: John J. Fontanella, C. M. Roland, K. L. Ngai, Maria J. Schroeder

Publikováno v: Macromolecules. 37:2630-2635

The Johari−Goldstein (JG) secondary relaxation, presumed to be universal, has never been seen in 1,4-polyisoprene (PI) by dielectric spectroscopy, despite very many measurements extending over the past half-century. By using a high-resolution capac

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::3a132e43138da4c2a65deadb923097ec
https://doi.org/10.1021/ma0358071

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