User profiles for "author:Di Xu"

Di Xu

Associate Professor
Verified email at uci.edu
Cited by 7278

Understanding the determinants of online review helpfulness: A meta-analytic investigation

H Hong, D Xu, GA Wang, W Fan - Decision Support Systems, 2017 - Elsevier
Online consumer reviews can help customers reduce uncertainty and risks faced in online
shopping. However, the studies examining the determinants of perceived review helpfulness …

Processing thermogravimetric analysis data for isoconversional kinetic analysis of lignocellulosic biomass pyrolysis: Case study of corn stalk

J Cai, D Xu, Z Dong, X Yu, Y Yang, SW Banks… - … and Sustainable Energy …, 2018 - Elsevier
Modeling of lignocellulosic biomass pyrolysis processes can be used to determine their key
operating and design parameters. This requires significant amount of information about …

A review: Research progress of SERS-based sensors for agricultural applications

C Liu, D Xu, X Dong, Q Huang - Trends in Food Science & Technology, 2022 - Elsevier
Abstract Background Surface-enhanced Raman scattering/spectroscopy (SERS) is now
being extensively employed as a non-destructive and highly sensitive analytical tool …

Performance gaps between online and face-to-face courses: Differences across types of students and academic subject areas

D Xu, SS Jaggars - The Journal of Higher Education, 2014 - Taylor & Francis
Using a dataset containing nearly 500,000 courses taken by over 40,000 community and
technical college students in Washington State, this study examines the performance gap …

How do online course design features influence student performance?

SS Jaggars, D Xu - Computers & Education, 2016 - Elsevier
Given the rapid growth in online coursework within higher education, it is important to
establish and validate quality standards for these courses. While many online learning …

Retracted article: quantized Majorana conductance

H Zhang, CX Liu, S Gazibegovic, D Xu, JA Logan… - Nature, 2018 - nature.com
Majorana zero-modes—a type of localized quasiparticle—hold great promise for topological
quantum computing. Tunnelling spectroscopy in electrical transport is the primary tool for …

[HTML][HTML] Cu2O/CuO Bilayered Composite as a High-Efficiency Photocathode for Photoelectrochemical Hydrogen Evolution Reaction

Y Yang, D Xu, Q Wu, P Diao - Scientific reports, 2016 - nature.com
Solar powered hydrogen evolution reaction (HER) is one of the key reactions in solar-to-
chemical energy conversion. It is desirable to develop photocathodic materials that exhibit …

The impact of online learning on students' course outcomes: Evidence from a large community and technical college system

D Xu, SS Jaggars - Economics of Education Review, 2013 - Elsevier
Using a large administrative dataset from a statewide system including 34 community and
technical colleges, the authors employed an instrumental variable technique to estimate the …

[HTML][HTML] Calcium-independent and 1, 25 (OH) 2D3-dependent regulation of the renin-angiotensin system in 1α-hydroxylase knockout mice

C Zhou, F Lu, K Cao, DI Xu, D Goltzman, D Miao - Kidney international, 2008 - Elsevier
To determine whether the cardiovascular effect of 1, 25 (OH) 2 D is dependent on calcium
and/or phosphorus, mice with targeted deletion of the 25 (OH) D 1α-hydroxylase and their …

Adaptability to online learning: Differences across types of students and academic subject areas

D Xu, S Jaggars - 2013 - academiccommons.columbia.edu
Using a dataset containing nearly 500,000 courses taken by over 40,000 community and
technical college students in Washington State, this study examines how well students adapt …