Results 71 to 80 of about 1,342,552 (347)

Soliton dynamics in gas-filled hollow-core photonic crystal fibers

open access: yes, 2015
Gas-filled hollow-core photonic crystal fibers offer unprecedented opportunities to observe novel nonlinear phenomena. The various properties of gases that can be used to fill these fibers give additional degrees of freedom for investigating nonlinear ...
Biancalana, Fabio, Saleh, Mohammed F.
core   +2 more sources

High Entropy Wide‐Bandgap Borates with Broadband Luminescence and Large Nonlinear Optical properties

open access: yesAdvanced Functional Materials, EarlyView.
High‐entropy rare‐earth borates exhibit excellent nonlinear optical and broadband luminescence properties arising from multi‐component doping, chemical disorder, increased configurational entropy, and increased lattice and electronic anharmonicity. This formulation enabled us to obtain a large, environmentally stable single crystal with 3X higher laser‐
Saugata Sarker   +14 more
wiley   +1 more source

A day for freedom

open access: yesPacific Journalism Review, 1996
On 3 May 1996, International Press Freedom Day, Reporters Sans Frontieres published its seventh Annual report on freedom of the press throughout the world, which gave an account of infringements of the right to be informed in 149 countries.
Reporters Sans Frontieres
doaj   +1 more source

The Role of Foreign Direct Investment on Press Freedom [PDF]

open access: yes
In our paper we establish foreign direct investment (FDI) as a major determinant of media freedom. Global integration can strengthen the media sector financially, make it technologically enhanced and can also improve the economic environment as a whole ...
Dutta, Nabamita, Roy, Sanjukta
core   +1 more source

Hamilton Human Rights Film Festival [PDF]

open access: yes, 2014
This is the 1st Human Rights Film Festival in New Zealand since 2008, the Hamilton Human Rights Film Festival, was launched the weekend before WINTEC's School of Media Arts annual Arts Festival SPARK 2014.
Mandelberg, John
core  

Reinventing the university [PDF]

open access: yes, 1998
In view of the discernible trends in Higher Education towards increased numbers, increased diversity and expectations of students, declining resources, increased competition between providers and increasingly irregular patterns of student attendance ...
Brown, Stephen
core   +3 more sources

Selective Separation of the Rare Earth Elements Dysprosium and Neodymium via Tailoring Nanocellulose Chemical Structure

open access: yesAdvanced Functional Materials, EarlyView.
Dicarboxylate‐modified anionic hairy cellulose nanocrystals exhibit a high selectivity for dysprosium(III) over neodymium(III). This selectivity arises from disordered dicarboxylate cellulose “hairs” that enable cooperative ionic coordination, hydrogen bonding, and strain‐induced conformational shrinkage.
Roya Koshani   +6 more
wiley   +1 more source

Media Freedom Indexes in Democracies: A Critical Perspective Through the Cases of Poland and Chile

open access: yesInternational Journal of Communication, 2016
We analyzed the media freedom indexes of Freedom House and Reporters Without Borders to determine which areas they focus on and which they omit. We also assessed the degree to which these indexes are appropriate for measuring media freedom in democratic
Ewa Sapiezynska, Claudia Lagos
doaj   +2 more sources

FORUM: Losing battle?

open access: yesPacific Journalism Review, 2000
It is rather bizarre that PINA, a regional media body that has consistently over the years claimed to stand for "freedom of expression" failed to even raise the issue.
Duran Angiki
doaj   +1 more source

Bio‐Inspired Molecular Events in Poly(Ionic Liquids)

open access: yesAdvanced Functional Materials, EarlyView.
Originating from dipolar and polar inter‐ and intra‐chain interactions of the building blocks, the topologies and morphologies of poly(ionic liquids) (PIL) govern their nano‐ and micro‐processibility. Modulating the interactions of cation‐anion pairs with aliphatic dipolar components enables the tunability of properties, facilitated by “bottom‐up ...
Jiahui Liu, Marek W. Urban
wiley   +1 more source

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