Results 91 to 100 of about 1,002,880 (292)

Flower‐Like Hollow Structure Cocatalyst of Amorphous CoZnPx With Strong Capacitance for Simultaneous Photocatalytic Hydrogen and Acetic Acid Evolution

open access: yesEcoEnergy, EarlyView.
An amorphous nanoflower‐like hollow‐structured cocatalyst CoZnPx‐H is developed and shows strong capacitance catalysis to significantly enhance the photocatalytic H2 and acetic acid evolution simultaneously. ABSTRACT Cocatalyst structure is crucial for optimizing the utilization of photogenerated charge carriers to enhance photocatalytic efficiency ...
Lingxiao Song   +8 more
wiley   +1 more source

Cryptanalysis and improvement of Chen-Hsiang- Shih’s remote user authentication scheme using smart cards

open access: yesRevista Facultad de Ingeniería Universidad de Antioquia, 2013
Recently, Chen-Hsiang-Shih proposed a new dynamic ID-based remote user authentication scheme. The authors claimed that their scheme was more secure than previous works.
Rafael Martínez-Peláez   +2 more
doaj   +1 more source

Helical Fiber‐Shaped Aqueous Zn‐Ion Batteries with Modified Zn Anode and Self‐Healing Gel Electrolyte for Flexible Electronics

open access: yesENERGY &ENVIRONMENTAL MATERIALS, EarlyView.
A triple synergistic strategy (bismuth‐modified Zn@CNTF anode, helical electrode architecture, and self‐healing gel electrolyte) endows fiber‐shaped aqueous Zn‐ion batteries with outstanding stability. The device delivers a high energy density of 130.54 Wh·kg−1 and retains ≈90.2% of its initial capacity after 1000 dynamic bending cycles, representing a
Wenhui Wang   +10 more
wiley   +1 more source

ELECTRONIC MONEY: THE ERA TO PERFECTION

open access: yesСтатистика и экономика, 2016
The article outlines the significance of the transition to the implementation of new types of money, such as electronic money, and predictors of its uprise.
Siyovush Yu. Allakhanov
doaj   +1 more source

Smart cards ‐ the smart way for the banks to go?

open access: yes, 1997
Examines the many innovative smart card applications covering areas such as telecommunications, transport, banking, healthcare and employee/membership schemes.
Vishal Puri
core   +1 more source

Soil Carbon Markets in the Making: Power Relations and Matters of Concern in Offsetting and Insetting

open access: yesEnvironmental Policy and Governance, EarlyView.
ABSTRACT This paper investigates emerging soil carbon markets and seeks to identify the groups of actors and power relations that constitute their structure and function. Voluntary soil carbon markets (VSCMs) are emerging globally as a key mechanism for generating carbon removals as part of climate mitigation efforts.
Philippa Simmonds   +2 more
wiley   +1 more source

Sol–gel synthesis of ZnO@SiC heterojunctions from photovoltaic waste for enhanced paracetamol photodegradation

open access: yesEnvironmental Progress &Sustainable Energy, EarlyView.
Abstract Exponential growth in photovoltaic energy production has created a critical environmental challenge: managing silicon carbide (SiC) waste from wafer cutting processes. This study addresses this challenge by transforming photovoltaic waste into high‐value photocatalytic materials.
Hajer Aloulou   +3 more
wiley   +1 more source

Exploring Chinese Language Teachers' Perspectives on Their Career Development: A Q Methodology Research

open access: yesFuture in Educational Research, EarlyView.
ABSTRACT Recruiting, training, and retaining qualified teachers remain matters of public concern in many countries, including Belarus. Drawing on the Systems Theory Framework, this study examined the influences shaping the career development of Chinese language teachers in Belarus across individual, social, and environmental‐societal contexts.
Katsiaryna Hryshayeva   +2 more
wiley   +1 more source

Smart Cards in Hostile Environments

open access: yes, 1996
One often hears the claim that smart cards are the solution to a number of security problems, including those arising in point-of-sale systems. In this paper, we characterize the minimal properties necessary for the secure smart card point-of-sale ...
Bennet Yee   +3 more
core  

Biosensors for Food Safety and Adulteration Monitoring: Applications, Smart Packaging Integration, and Pathways to Intelligent, Field‐Deployable Detection Systems

open access: yesFood Safety and Health, EarlyView.
Biosensors enable rapid, sensitive, and portable detection of pathogens, contaminants, allergens, and food adulteration. Integration with smart packaging, smartphones, IoT, and machine learning supports real‐time monitoring and intelligent decision‐making, whereas microfluidics, biodegradable materials, explainable AI, and blockchain offer pathways ...
Mohima Akther Any   +7 more
wiley   +1 more source

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