Results 11 to 20 of about 216 (95)

Conflictos Interestatales antes y después de las armas nucleares, 1875-2014 | Interstate Conflicts before and after nuclear weapons, 1875-2014

Mural Internacional, 2023
Para los científicos de la política internacional orientados al estudio de la seguridad internacional, uno de los problemas relevantes ha sido investigar sobre la relación entre armas nucleares y conflictos interestatales.
Hernán Olmedo González
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A Dinâmica do Relacionamento Nuclear entre EUA, Rússia e China e seus Impactos para o Regime de Não-Proliferação | The Dynamics of the Nuclear Relationship Among The U.S., Russia and China and its Impacts on the Non-Proliferation Regime

Mural Internacional, 2023
Discutem-se os desafios colocados ao regime de não-proliferação pela dinâmica contemporânea de cooperação e conflito entre EUA, Rússia e China. Para tanto, o artigo recupera o histórico do relacionamento nuclear entre as superpotências nucleares durante
Layla Dawood, Eugenio Diniz
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Impact of the GouM transporter on secondary metabolism activation and production yield in Streptomyces noursei strain CK‐15

New Plant Protection, Volume 3, Issue 3, September 2026.
Overexpression of the gouM transporter gene in Streptomyces noursei CK‐15 enhances gougerotin production by 114% and activates silent biosynthetic gene clusters. This finding links transporter activity to metabolite efflux and secondary metabolism, offering a strategy for natural product discovery and strain optimization.
Qianying Zhou, Hua Yu, Rouhallah Sharifi, Muhammad Usman, Shun Lai Ei, Abdel‐Hamied M. Rasmey, Beibei Ge   +6 more
wiley   +1 more source

Tail Dependence: The Impact of Risk Spillovers on Real Estate Markets in Times of Economic and Geo‐Political Uncertainty

International Review of Finance, Volume 26, Issue 3, September 2026.
ABSTRACT The first half of the 2020's has seen a degree of economic and geo‐political uncertainty not observed since the 1970s. This paper looks at how listed real estate is exposed to capital market shocks by estimating Conditional Value‐at‐Risk (CoVaR), which captures the sensitivity of real estate returns to extreme movements in broader equity ...
Stanimira Milcheva, Simon Stevenson, Lingshan Xie   +2 more
wiley   +1 more source

Two New Species of Malaveria Viloria & Benmesbah, 2021 (Lepidoptera: Nymphalidae) From High‐Altitude Wet Grasslands of Brazil

Austral Entomology, Volume 65, Issue 3, August 2026.
ABSTRACT Two new satyrine butterfly species, Malaveria voltolinii Rosa, Barbosa, Siewert & Freitas, sp. nov., and Malaveria auster Dolibaina & Zacca, sp. nov. (Satyrinae: Euptychiina), are named, described and illustrated from the Serra da Mantiqueira and Serra do Mar mountain ranges in the states of Rio de Janeiro and São Paulo and from the Serra ...
Augusto Henrique Batista Rosa, Eduardo de Proença Barbosa, Diego Rodrigo Dolibaina, Ricardo Russo Siewert, Thamara Zacca, Patrícia Avelino Machado, André Victor Lucci Freitas   +6 more
wiley   +1 more source

Tratado sobre la no proliferación de las armas nucleares

Revista Mexicana de Ciencias Políticas y Sociales, 2022
Los Estados que conciertan este Tratado, denominados en adelante las “Partes en el Tratado”. Considerando las devastaciones que una guerra nuclear infligiría a la humanidad entera y la consiguiente necesidad de hacer todo lo posible por evitar
Senado de los Estados Unidos Mexicanos
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Hiroshima-Nagasaki, Teherán: la amenaza nuclear

Realidad, 2018
El quincuagésimo aniversario de la detonación de las bombas atómicas en las ciudades japonesas de Hiroshima y Nagasaki coincide con un momento en el cual la posesión de tecnología nuclear por parte de Irán es vista por los EE.UU.
Francisco Javier Ibisate
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Aircraft Ionizing Radiation Exposure for Solar Cycle 24/25 From ARMAS and NAIRAS

Space Weather, Volume 24, Issue 7, July 2026.
Abstract Exposure to ionizing radiation from galactic cosmic rays and solar energetic particles at aviation flight altitudes can have an adverse effect on human health. Although airline crews are classified as radiation workers by the International Commission on Radiological Protection (ICRP), in most countries, their level of exposure is unquantified ...
Daniel B. Phoenix, Christopher J. Mertens, Guillaume P. Gronoff, W. Kent Tobiska   +3 more
wiley   +1 more source

Mixed Support for Pleistocene Sea‐Level Fluctuations in Promoting the Diversification of Anole Lizards in the Northern Lesser Antilles

Molecular Ecology, Volume 35, Issue 14, July 2026.
ABSTRACT In the Pleistocene, climatic changes resulted in cycles of sea‐level fluctuation that periodically fragmented islands into aggregate island complexes. These temporary saltwater barriers between islands within an island bank had the potential to decrease migration between populations on separate islands, resulting in increased genetic ...
Ayanna J. Browne, Edward A. Myers, S. Blair Hedges, Kevin de Queiroz, Robert Powell, Lauren A. Esposito, Rayna C. Bell, Michael L. Yuan   +7 more
wiley   +1 more source

A nova doutrina nuclear dos EUA e a materialização do Hemisfério Sul livre de armas nucleares

Carta Internacional, 2012
Em 2010, os EUA modificaram a sua doutrina nuclear, impondo restrições ao uso de armas nuclearesem possíveis conflitos bélicos. Os EUA afirmaram não usar tais armas contra países que não possuemesse tipo de armamento. Contrariamente, a Rússia, dias antes,
David Morales Martinez
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