Yijun Shen's Books

Enseignement supérieur et équité en Afrique subsaharienne

Elargir l’opportunité au-delà de l’élite

By: Peter Darvas,Shang Gao,Yijun Shen,Bilal Bawany

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Enseignement supérieur et équité en Afrique subsaharienne

Elargir l’opportunité au-delà de l’élite

By: Peter Darvas,Shang Gao,Yijun Shen,Bilal Bawany

Despite a spectacular expansion of the higher education sector in Sub-Saharan Africa, the supply of tertiary education has generally failed to keep pace with demand, and the region continues to lag behind all other regions in terms of access to tertiary education. This is in part a consequence of deeply entrenched patterns of inequitable access to higher education, and the perpetuation of what researchers refer to as “elite systems.†? To date, access to tertiary education in Sub-Saharan Africa has unduly benefited students drawn from the region’s wealthiest households, and overall enrollment remains disproportionately male and metropolitan. These factors stifle the catalytic potential of higher education, corroding its potential for driving economic growth and sustaining poverty reduction. Instead, patterns of access to tertiary education have generally reinforced and reproduced social inequality, instead of eroding its pernicious social and economic effects. Sharing Higher Education’s Promise beyond the Few in Sub-Saharan Africa aims to inform an improved understanding of equity in tertiary enrollment in Sub-Saharan African countries and to examine the extent to which inequity functions as a bottleneck, inhibiting the ability of African universities to effectively drive improvements in overall quality of life and economic competitiveness. In our survey of the evidence, we also aim to identify which policies most effectively address the challenge of promoting equity of access in Sub-Saharan African tertiary education systems. To achieve these objectives, the book collects, generates, and analyzes empirical evidence on patterns of equity; examines the underlying causes of inequity; and evaluates government policies for addressing inequity.

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Page Count

204

Publisher

World Bank Publications

Published Date

ISBN 10

1464812675

ISBN 13

9781464812675

Sharing Higher Education's Promise beyond the Few in Sub-Saharan Africa

By: Peter Darvas,Shang Gao,Yijun Shen,Bilal Bawany

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Sharing Higher Education's Promise beyond the Few in Sub-Saharan Africa

By: Peter Darvas,Shang Gao,Yijun Shen,Bilal Bawany

Despite a spectacular expansion of the higher education sector in Sub-Saharan Africa, the supply of tertiary education has generally failed to keep pace with demand and the region continues to lag all other regions in terms of access to tertiary education. This is in part a consequence of deeply entrenched patterns of inequitable access to higher education, and the perpetuation of what researchers refer to as “elite systems†?. To date, access to tertiary education in Sub-Saharan Africa has unduly benefitted students drawn from the region’s wealthiest households, and overall enrollment remains disproportionately male, and metropolitan. These factors stifle the catalytic potential of higher education, corroding its potential for driving economic growth and sustaining poverty reduction. Instead, patterns of access to tertiary education have generally reinforced and reproduced social inequality, instead of eroding its pernicious social and economic effects. This report aims to inform an improved understanding of equity in tertiary enrollment in Sub-Saharan African countries, and to examine the extent to which inequity functions as a bottleneck inhibiting the ability of African universities to effectively drive improvements in overall quality of life and economic competitiveness. In our survey of the evidence, we also aim to identify which policies most effectively address the challenge of promoting equity of access in SSA tertiary education systems. In order to achieve these objectives, the report collects, generates and analyzes empirical evidence on patterns of equity, examines the underlying causes of inequity, and evaluates government policies for addressing inequity.

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Page Count

186

Publisher

World Bank Publications

Published Date

ISBN 10

1464810516

ISBN 13

9781464810510

Vapor Intrusion Simulations and Risk Assessments

By: Yijun Yao,Qiang Chen

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Vapor Intrusion Simulations and Risk Assessments

By: Yijun Yao,Qiang Chen

This book introduces key concepts in modeling and risk assessments of vapor intrusion, a process by which the subsurface volatile contaminants migrate into the building of concern. Soil vapor intrusion is the major exposure pathway for building occupants to chemicals from the subsurface, and its risk assessments determine the criteria of volatile contaminants in soil/groundwater in brownfield redevelopment. The chapters feature the recent advances in vapor intrusion studies and practices, including analytical and numerical modeling of vapor intrusion, statistical findings of United States Environmental Protection Agency’s Vapor Intrusion Database and Petroleum Vapor Intrusion Databases, the challenges of preferential pathways, and the application of building pressure cycling methods, and field practices of vapor intrusion risk assessments at developed contaminated sites and in brownfield redevelopment. This volume also summarizes the advantages and limits of current applications in vapor intrusion risk assessment, laying the groundwork for future research of better understanding in risk characterization of soil vapor intrusion using models. Written by experts in this field, Vapor Intrusion Simulations and Risk Assessments will serve as an invaluable reference for researchers, regulators, and practitioners, who are interested in perceiving the basic knowledge and current advances in risk assessments of soil vapor intrusion.

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Page Count

133

Publisher

Springer Nature

Published Date

ISBN 10

9811927006

ISBN 13

9789811927003

Fast Multipole Boundary Element Method

Theory and Applications in Engineering

By: Yijun Liu

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Fast Multipole Boundary Element Method

Theory and Applications in Engineering

By: Yijun Liu

The fast multipole method is one of the most important algorithms in computing developed in the 20th century. Along with the fast multipole method, the boundary element method (BEM) has also emerged as a powerful method for modeling large-scale problems. BEM models with millions of unknowns on the boundary can now be solved on desktop computers using the fast multipole BEM. This is the first book on the fast multipole BEM, which brings together the classical theories in BEM formulations and the recent development of the fast multipole method. Two- and three-dimensional potential, elastostatic, Stokes flow, and acoustic wave problems are covered, supplemented with exercise problems and computer source codes. Applications in modeling nanocomposite materials, bio-materials, fuel cells, acoustic waves, and image-based simulations are demonstrated to show the potential of the fast multipole BEM. Enables students, researchers, and engineers to learn the BEM and fast multipole method from a single source.

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Page Count

255

Publisher

Cambridge University Press

Published Date

ISBN 10

113947944X

ISBN 13

9781139479448

Sharing Higher Education's Promise beyond the Few in Sub-Saharan Africa

By: Peter Darvas,Shang Gao,Yijun Shen,Bilal Bawany

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Sharing Higher Education's Promise beyond the Few in Sub-Saharan Africa

By: Peter Darvas,Shang Gao,Yijun Shen,Bilal Bawany

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N/A

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Solve jigsaw puzzle

Age

Page Count

186

Publisher

World Bank Publications

Published Date

ISBN 10

1464810516

ISBN 13

9781464810510

Book's by Yijun Shen

Enseignement supérieur et équité en Afrique subsaharienne

Enseignement supérieur et équité en Afrique subsaharienne

Sharing Higher Education's Promise beyond the Few in Sub-Saharan Africa

Sharing Higher Education's Promise beyond the Few in Sub-Saharan Africa

Vapor Intrusion Simulations and Risk Assessments

Vapor Intrusion Simulations and Risk Assessments

Fast Multipole Boundary Element Method

Fast Multipole Boundary Element Method

Sharing Higher Education's Promise beyond the Few in Sub-Saharan Africa

Sharing Higher Education's Promise beyond the Few in Sub-Saharan Africa

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