Results 131 to 140 of about 987,464 (392)

An Empirical Analysis of Bundling and Tying: Over-the-Counter Pain Relief and Cold Medicines [PDF]

open access: yes
We apply and extend the cost-based approach to bundling and tying under competition developed in Evans and Salinger (2004a) to over-the-counter pain relievers and cold medicines.
David S. Evans, Michael Salinger
core  

Image and interpretation using artificial intelligence to read ancient Roman texts [PDF]

open access: yes, 2005
The ink and stylus tablets discovered at the Roman Fort of Vindolanda are a unique resource for scholars of ancient history. However, the stylus tablets have proved particularly difficult to read.
Robertson, P, Terras, M
core  

Theoretical characterization of a model of aragonite crystal orientation in red abalone nacre

open access: yes, 2009
Nacre, commonly known as mother-of-pearl, is a remarkable biomineral that in red abalone consists of layers of 400-nm thick aragonite crystalline tablets confined by organic matrix sheets, with the $(001)$ crystal axes of the aragonite tablets oriented ...
Chandler David   +11 more
core   +1 more source

Graphene–Catechol Dental Sealant: Antibacterial and Mechanical Evaluation

open access: yesAdvanced Engineering Materials, EarlyView.
This study presents dental sealants made with graphene and L‐DOPA‐modified graphene. L‐DOPA enhances graphene dispersion, improving sealant properties. The material shows antibacterial activity against S. mutans and L. casei, along with high strength and elasticity.
Renata Pereira   +6 more
wiley   +1 more source

Experimental evaluation of the impact of mobility management protocols on HTTP adaptive streaming

open access: yesIET Networks, 2017
Video content is increasingly being consumed on the move using mobile devices such as smart phones and tablets. In order to deal with the challenges of heterogeneity of network access technologies and fluctuating resources, which are inherent features of
Yusuf Sani   +3 more
doaj   +1 more source

Editors’ Introduction: Approaching the online audience: new practices, new thinking [PDF]

open access: yes, 2011
Convergence culture, participatory culture, user generated content, interactive media; these are all now familiar terms within contemporary media and communication studies that have risen to distinguish emergent content across digital platforms and ...
Athique, Adrian M.   +3 more
core   +1 more source

Comparing Tablets and PCs in teaching Mathematics: An attempt to improve Mathematics Competence in Early Childhood Education

open access: yes, 2016
The present study investigates and compares the influence of using computers and tablets, in the development of mathematical competence in early childhood education.
Stamatis Papadakis   +2 more
semanticscholar   +1 more source

CALPHAD‐Guided Prediction and Interpretation of Phase Formation in Ta–Mo–Cr–Ti–Al Refractory High‐Entropy Alloys

open access: yesAdvanced Engineering Materials, EarlyView.
This study designs Ta–Mo–Cr–Ti–Al refractory high‐entropy alloys with a disordered body‐centered‐cubic A2 crystal structure aiming for improved ductility, lower density, and oxidation resistance. Four alloy compositions are identified by thermodynamic calculations.
Kateryna Khanchych   +7 more
wiley   +1 more source

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