Results 171 to 180 of about 51,571 (295)

Business-to-Consumer Practices in Electronic Commerce

open access: yes, 1999
The innovative electronic commerce practices of Internet companies are openly discussed and carefully scrutinized. A great deal of information describing their use of the WorldWide Web is available.
Senn, James
core  

Support‐Controlled Reaction Pathways via Dynamic Sulfur‐Mediated Interfaces for Selective Urea Electrolysis

open access: yesAdvanced Functional Materials, EarlyView.
Sulfur‐doped graphitized carbon nanofibers act as adaptive catalyst–support platforms, enabling dynamic sulfur‐mediated reconstruction and strong metal–support interactions. This unique behavior enhances catalyst stability and controls reaction pathways, achieving highly selective urea oxidation (∼92% N2) coupled with efficient hydrogen evolution ...
Melanie Guillén‐Soler   +4 more
wiley   +1 more source

Characteristics of System Requirements for Electronic Commerce

open access: yes, 1997
This paper outlines some critical characteristics of requirements for developing a system designed to support electronic commerce. The characteristics are based not only on traditional user and organizational needs and goals, but also on specific ...
Shaw, Neal G., Yadav, Surya B.
core  

Submicron Metasurface Reconfigured Multiband Smart Windows

open access: yesAdvanced Functional Materials, EarlyView.
This work presents a submicron metasurface reconfigured multiband thermochromic smart window. By integrating subwavelength nanostructures into a Fabry−Perot resonator configuration, it mitigates conventional trade‐offs to simultaneously deliver high luminous transmittance and robust solar heating and radiative cooling modulation capabilities ...
Guanya Wang   +8 more
wiley   +1 more source

Shape Memory Microneedle to Prevent Risks of Reproductive Hormone Therapy by Switching Sustained to Burst Release Under a Single Transdermal Insertion

open access: yesAdvanced Functional Materials, EarlyView.
A shape‐memory microneedle system enables reproductive hormone therapy through a single transdermal insertion. The X‐shaped device sustains follicle‐stimulating hormone release for three days, and mild heating restores the O shape to trigger burst human chorionic gonadotropin release.
Sungwoo Cho   +8 more
wiley   +1 more source

Self-Governance for Electronic Commerce: An Evolving Framework

open access: yes, 2003
The rapid rise of electronic commerce and the latter’s increasing intrusion into everyday life has not been matched by an effective governance structure. The present paper proposes an evolving multi-faceted self-governance framework for the regulation of
Chai, Madeline, Oh, Ei Fun, Oh, Ei Sun
core  

Shaping Matter with Acoustic Waves: From Particles to Functional Structures

open access: yesAdvanced Functional Materials, EarlyView.
Acoustic‐directed assembly is reviewed as a materials‐oriented strategy for organizing particles, polymers, metals, and biological systems into functional structures. The review distinguishes reversible manipulation from permanent structure formation through medium fixation, particle fixation, and in situ material generation, highlighting routes toward
Avraham Kenigsberg   +5 more
wiley   +1 more source

OBEC'97 - Overcoming Barriers to Electronic Commerce

open access: yesTechnikfolgenabschätzung – Theorie und Praxis, 1997
TATuP Redaktion
doaj   +1 more source

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