Results 1 to 10 of about 6,023,930 (342)
Coherent poly propagation materials with 3-dimensional photonic control over visible light.
PLoS ONE, 2019 The purpose of the present research was to identify and examine materials demonstrating a previously undiscovered property of coherent poly propagation (CPP). The materials were amorphous silicates as natural precious opals. CPP enabled three-dimensional
Michelle R Stem
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The Role of Technology in Enhancing Urban Mathematics Education
Journal of Urban Mathematics Education, 2023 The integration of technology in urban mathematics education has emerged as a promising approach to address educational disparities and foster engaging learning environments. With the widespread availability of technology infrastructure in urban schools,
Jamaal Rashad Young
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Educational Aspirations of Diverse Groups among Undergraduate Statistics Majors
Journal of Urban Mathematics Education, 2023 Understanding the educational aspirations of diverse groups among statistics majors provides insight into the discipline of statistics. This study utilizes multi-institution data from the 2019 and 2020 administrations of the National Survey of Student ...
Julie Lorah, Angie Miller
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Integration of ethnomathematics in teaching geometry: a systematic review and bibliometric report
Journal of Urban Mathematics Education, 2023 Due to the growing interest in the integration of ethnomathematics in mathematics education, we undertook a systematic literature review and bibliometric analysis of research on incorporation of ethnomathematics in geometry teaching from 2011 to 2021 ...
Patrick Kyeremeh +2 more
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“If You Could Wave a Magic Wand”: Treatment Barriers in the Rural Midwest
Substance Abuse: Research and Treatment, 2021 Introduction: The multigenerational health considerations and negative economic impacts related to the opioid epidemic are many. Increasing numbers of opioid-related fatalities are bolstered by barriers related to access to evidence-based treatment. Ohio
Angela Clark +2 more
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Studies of phosphorus Gaussian profile emitter silicon solar cells
Materials Research, 2001 Considering recent modifications on n-type highly doped silicon parameters, an emitter optimization was made based on one-dimensional models with analytical solutions. In order to get good accuracy, a fifth order approximation has been considered.
N. Stem, M. Cid
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Homogeneous Gaussian Profile P+-Type Emitters: Updated Parameters and Metal-Grid Optimization
Materials Research, 2002 P+-type emitters were optimized keeping the base parameters constant. Updated internal parameters were considered. The surface recombination velocity was considered variable with the surface doping level.
M. Cid, N. Stem
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Materials Research, 2009 This work focuses on studying two types of structure: homogeneous and double-diffused emitter silicon solar cells. The emitter collection efficiencies and the recombination current densities were studied for a wide range of surface dopant concentrations ...
Manuel Cid Sánchez, Nair Stem
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Retracted: Study of the Structure and Properties of ZnS Utilized in a Fluorescence Biosensor
Stem Cells International, 2023 Stem Cells International
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Nature Communications, 2018 The International Stem Cell Initiative tests methods in a multisite study to detect pluripotency and teratoma formation (PluriTest, Embryoid Body and Teratoma methods) in human pluripotent stem cells.
The International Stem Cell Initiative
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