Results 21 to 30 of about 678,785 (316)

Study of Free‐Space Optical Quantum Network: Review and Prospectives

open access: yesAdvanced Science, EarlyView.
Free from the constraints of fiber connections, free‐space quantum network enables longer and more flexible quantum network connections. This review summarizes and comparatively analyzes free‐space quantum network experiments based on ground stations, satellites, and mobile platforms.
Hua‐Ying Liu, Zhenda Xie, Shining Zhu
wiley   +1 more source

Selective Electrolysis of Water Under Artificial Seawater Conditions Using Transition Metal Borate Anodes

open access: yesAdvanced Energy Materials, EarlyView.
The borate‐based cobalt‐iron catalyst promotes selective oxidation of water rather than chlorine evolution reaction during electrolysis of seawater. When integrated into a zero‐gap electrolyzer prototype, this catalyst supports robust splitting of artificial seawater into oxygen and hydrogen on an extended timescale.
Ananta R. Fareza   +10 more
wiley   +1 more source

Shaping a Southern Soundscape

open access: yesSouthern Spaces, 2010
Grace Elizabeth Hale reviews Karl Hagstrom Miller's Segregating Sound: Inventing Folk and Pop Music in the Age of Jim Crow (Durham: Duke University Press, 2010).
Grace Elizabeth Hale
doaj   +1 more source

African American women in the performing arts [PDF]

open access: yes, 2009
[ES] Este ensayo muestra la trayectoria de las mujeres afroamericanas en las artes escénicas desde sus comienzos a la actualidad en Estados Unidos. Estas artistas demostraron estar por delante de su tiempo, pues han continuado experimentando siempre con nuevos estilos y técnicas totalmente vanguardistas compuestas por elementos que eran parte de la ...
openaire   +2 more sources

Mortality of patients lost to follow-up in antiretroviral treatment programmes in resource-limited settings: systematic review and meta-analysis [PDF]

open access: yes, 2009
BACKGROUND: The retention of patients in antiretroviral therapy (ART) programmes is an important issue in resource-limited settings. Loss to follow up can be substantial, but it is unclear what the outcomes are in patients who are lost to programmes ...
Martin W. G. Brinkhof   +38 more
core   +4 more sources

Choice experiments on land managers' participation in environmental programs: A systematic review and meta‐analysis of estimate validity

open access: yesAmerican Journal of Agricultural Economics, EarlyView.
Abstract Discrete choice experiments are increasingly being used to estimate land managers' willingness to accept participation in incentive‐based environmental programs. This is a specific application of discrete choice experiments: the estimation of willingness to accept for a private good (program participation) where respondents have to make trade ...
Anastasio J. Villanueva   +2 more
wiley   +1 more source

Africana Archives: Making Art at the Schomburg

open access: yesSouthern Spaces, 2015
Howard Dodson, former director of the Schomburg Center for Research in Black Culture and current director of Howard University's Moorland-Spingarn Research Center, delivers the keynote address at the 2014 Callaloo Conference held at Emory University. The
Howard Dodson
doaj   +1 more source

The African-American Intellectual of the 1920s: Some Sociological Implications of the Harlem Renaissance [PDF]

open access: yes, 1996
This paper deals with some of the sociological implications of a major cultural high-water point in the African American experience, the New Negro/Harlem Renaissance.
Perry, Robert L., Peters, Melvin T.
core   +1 more source

Efficacy and Safety of Subcutaneous Efgartigimod PH20 in Adults With Primary Immune Thrombocytopenia (ADVANCE SC): A Multicenter, Randomized, Double‐Blinded, Placebo‐Controlled, Phase 3 Trial

open access: yesAmerican Journal of Hematology, EarlyView.
ABSTRACT Primary autoimmune thrombocytopenia (ITP) is characterized by thrombocytopenia, bleeding, and reduced health‐related quality of life. In the Phase 3 ADVANCE IV study, intravenous efgartigimod induced significant platelet count responses versus placebo in patients with chronic ITP. ADVANCE SC, a Phase 3, multicenter, randomized, double‐blinded,
Nichola Cooper   +546 more
wiley   +1 more source

Creolization as Cultural Continuity and Creativity in Postdiluvian New Orleans and Beyond

open access: yesSouthern Spaces, 2011
Joel Mann, Rebirth Brass Band, New Orleans, Louisiana, 2007. Through an examination of expressive forms, musicians, and artisans in post-Katrina New Orleans, this multi-media essay explores creolization as an approach to ethnographic work that ...
Nick Spitzer
doaj   +1 more source

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