Results 61 to 70 of about 165,667 (245)

Tuning the Electronic Structure and Spin State of Fe─N─C Catalysts Using an Axial Oxygen Ligand and Fe Clusters for High‐Efficiency Rechargeable Zinc–Air Batteries

open access: yesAdvanced Functional Materials, EarlyView.
A FeN4─O/Clu@NC‐0.1Ac catalyst containing atomically‐dispersed FeN4─O sites (medium‐spin Fe2+) and Fe clusters delivered a half‐wave potential of 0.89 V for ORR and an overpotential of 330 mV at 10 mA cm−2 for OER in 0.1 m KOH. When the catalyst was used in a rechargeable Zn–air battery, a power density of 284.5 mW cm−2 was achieved with excellent ...
Yongfang Zhou   +8 more
wiley   +1 more source

The Times of PNG: An investigative tradition

open access: yesPacific Journalism Review, 1995
In May 1995, one of the Pacific's best known newspapers closed. A regional magazine summed up The Times of Papua New Guinea thus: Strength: the diversity of views and efforts to cover national life fully.
Harlyne Joku
doaj   +1 more source

Controlled Movement of Soft Actuators using Multi‐Responsive Microgel Arrays and Microcirculatory Systems

open access: yesAdvanced Functional Materials, EarlyView.
Microscale hydrogels (microgels) feature improved mass transport characteristics supportive of fast actuation and chemical tunability amenable to programmed stimuli response. A unique soft actuator architecture is realized by encapsulating microgels in soft microcirculatory systems which enable the convenient delivery of liquid stimuli for powering and
Nengjian Huang   +2 more
wiley   +1 more source

Investigative journalism in Melanesia: Is it needed?

open access: yesPacific Journalism Review, 1995
Some argue there is no place for investigative journalism in Melanesia, particularly in Papua New Guinea. Such critics believe that for investigations to be effective then politicians must make changes.
Walter Nalangu
doaj   +1 more source

Stoma‐Shell Nanoarchitecture for Enhanced Plasma Confinement Catalysis in Synthesis of Ethanol from CO2

open access: yesAdvanced Functional Materials, EarlyView.
High‐energy electron impact in plasma catalysis often causes excessive dissociation of active intermediates, limiting C2+ product selectivity. To address this challenge, a bio‐inspired stoma‐shell nanoarchitecture is designed to decouple electron impact from catalytic reaction zones.
Nan Zou   +5 more
wiley   +1 more source

Law status of journalists and bloggers in the newest information legislation of Russian Federation

open access: yesИзвестия Южного федерального университета: Филологические науки, 2015
The author carries out a comparative analysis of Russian national rights and responsibilities of journalists and bloggers, distinguishes fundamental differences in the legal status of the subject of information relations, determines the trend of ...
Kapustina Anna Georgievna
doaj  

Explore the Rights of Journalists in the Imāmiyaah Jurisprudence [PDF]

open access: yesآموزه‌‌های فقه مدني, 2012
Given to the age of communication and the need for jurisprudence to answer the issues of community, exploring the rights of journalists is very important.
Hussein Saberi, H. Haqiqatpour
doaj  

Broadband, Flexible, Skin‐Compatible Carbon Dots/Graphene Photodetectors for Wearable Applications

open access: yesAdvanced Functional Materials, EarlyView.
Broadband, flexible photodetectors integrating nitrogen‐rich carbon dots with single‐layer graphene on plastic substrates are demonstrated. A biocompatible chitosan–glycerol electrolyte enables efficient low‐voltage gating and on‐skin operation. The devices exhibit ultraviolet‐to‐near‐infrared response, mechanical robustness under bending, and verified
Nouha Loudhaief   +20 more
wiley   +1 more source

The culture of impunity: What journalists need to know about international humanitarian law

open access: yesPacific Journalism Review, 2010
Whether they are nationals reporting wars occurring within their countries or international news media staff, journalists are facing growing dangers when covering conflict events.
Roderic Alley
doaj   +1 more source

Switchable Supramolecular Adhesive by Tuning Interfacial Bonding and Modulus

open access: yesAdvanced Functional Materials, EarlyView.
The supramolecular adhesive (HyDiP) shows reversible adhesion and recyclability. In the dehydrated state, it is dense, stiff (E ≈445 MPa), transparent, and provides strong bonding with adhesion strengths up to 4.65 MPa. In the hydrated state, it becomes porous, soft (E ≈0.11 MPa), and detaches easily, enabling sustainable high‐strength applications ...
Rumin Fu   +10 more
wiley   +1 more source

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