Results 51 to 60 of about 2,709,955 (319)

Democracy as a Limiting Factor for Politicised Cultural Populism in Malawi Demokratie und politisierter Kulturpopulismus in Malawi

open access: yesAfrica Spectrum, 2009
Though Malawian democracy could still be described as in transition from authoritarianism, it has enabled an atmosphere for critical debate of and dissent against seemingly popular opinions, which was not possible during the authoritarian rule of former ...
Reuben Makayiko Chirambo
doaj  

Metal–Organic Frameworks for Gaseous Pollutant Management: From Capture to Neutralization and Reutilization

open access: yesAdvanced Functional Materials, EarlyView.
This review maps how MOFs can manage hazardous gases by combining adsorption, neutralization, and reutilization, enabling sustainable air‐pollution control. Covering chemical warfare agent simulants, SO2, NOx, NH3, H2S, and volatile organic compounds, it highlights structure‐guided strategies that boost selectivity, water tolerance, and cycling ...
Yuanmeng Tian   +8 more
wiley   +1 more source

Perspectives on African Studies and Development in Sub-Saharan Africa Perspektiven der Afrikaforschung und der Entwicklung im subsaharischen Afrika

open access: yesAfrica Spectrum, 2010
In this farewell lecture on the occasion of his departure as Professor of Development in sub-Saharan Africa at Leiden University and Director of the African Studies Centre (ASC), Leiden, the author starts with the vuvuzela issue as an illustration of the
Leo J. de Haan
doaj  

Viability Theory and Economic Modeling [PDF]

open access: yes, 2007
A brief introduction into the theory of differential inclusions, viability theory and selections of set valued mappings is presented.
Kánnai, Zoltán, Tallos, Péter
core  

SO(10) Group Theory for the Unified Model Building

open access: yes, 2005
The complete tables of Clebsh-Gordan (CG) coefficients for a wide class of SO(10) SUSY grand unified theories (GUTs) are given. Explicit expression of all states and corresponding multiplets under standard model gauge group G_{321} = SU(3)_C x SU(2)_L x ...
Fukuyama, Takeshi   +4 more
core   +1 more source

Bioprinting Organs—Science or Fiction?—A Review From Students to Students

open access: yesAdvanced Healthcare Materials, EarlyView.
Bioprinting artificial organs has the potential to revolutionize the medical field. This is a comprehensive review of the bioprinting workflow delving into the latest advancements in bioinks, materials and bioprinting techniques, exploring the critical stages of tissue maturation and functionality.
Nicoletta Murenu   +18 more
wiley   +1 more source

In Defense of Oral History: Evidence from the Mercosur Case En defensa de la Historia Oral: Evidencia del caso de Mercosur

open access: yesJournal of Politics in Latin America, 2012
This article makes a case in defense of oral history in the study of political science and international relations. The existing literature has scrutinized the technical aspects and appropriate use of oral material.
Gian Luca Gardini
doaj  

Transformative Bioactive Wear Resistant Ti3Au:N and Ti3Au:O Coatings for Medical Implants and Devices

open access: yesAdvanced Healthcare Materials, EarlyView.
Coatings of titanium‐gold are grown in nitrogen and oxygen environments via magnetron sputtering to simultaneously enhance their biotribological and antibacterial properties. The coatings are highly crystalline with superhard scratch‐resistant surfaces and wear rates 20 times lower than the bare Ti‐6Al‐4V substrate.
Cecil Cherian Lukose   +11 more
wiley   +1 more source

Beyond Polarity: Negotiating a Hybrid State in Somaliland Jenseits der Polarität: Das Aushandeln eines hybriden Staates in Somaliland

open access: yesAfrica Spectrum, 2010
Many African states struggle to reconcile traditional social institutions with the precepts of nation-state democracy within colonially defined borders. Since the 1991 fall of the dictatorial Somali regime of Siyaad Barre, Somaliland has gradually pieced
Michael Walls, Steve Kibble
doaj  

The Space Within: How Architected Voids Promote Tissue Formation

open access: yesAdvanced Materials, EarlyView.
This review explores the role of void spaces in tissue engineering scaffolds and examines four key methods for introducing porosity into hydrogels at different scales. It discusses sacrificial templating, microgels, phase separation, and 3D printing, highlighting principles, advantages, and limitations. It also addresses emerging strategies integrating
Anna Puiggalí‐Jou   +3 more
wiley   +1 more source

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