منابع مشابه
An assessment of lime mortars for masonry repair
Most historic and traditional mortars were made with lime. Due to their nature and function lime mortars weather and need to be replaced. Ordinary portland cement mortars can often be incompatible with historic masonry causing structural and aesthetic damage. Petrographic analysis of original mortars from Clonmacnoise Monastery and Ardamullivan Castle evidenced that they were fabricated with fe...
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www.frontiersinecology.org © The Ecological Society of America R – including grasslands, shrublands, savannas, deserts, prairies, steppe, and tundra – comprise 30–40% of Earth’s ice-free terrestrial surface (depending on one’s definition and data sources; Asner et al. 2004) and account for 91% of the world’s grazing lands (Reid et al. 2008). Encompassing watersheds for vast downstream populatio...
متن کاملSave the Earth vs Destroy the Earth
Save the Earth VS Destroy the Earth is an interactive installation. Two structures, built with the skeletons of old monitors, are holding two world globes, plus a sign indicating on one Save the Earth and on the other Destroy the Earth. The audience is invited to mime the action to save or destroy the Earth becoming a part of the artwork. Every action is monitored and photographed, leading to t...
متن کاملCapturing near-Earth asteroids around Earth
The list of detected near-Earth asteroids (NEAs) is constantly growing. NEAs are likely targets for resources to support space industrialization, as they may be the least expensive source of certain needed raw materials. The limited supply of precious metals and semiconducting elements on Earth may be supplemented or even replaced by the reserves floating in the form of asteroids around the sol...
متن کاملEarth Observing System AM1 mission to Earth
In 1998, NASA launches EOS-AM1, the first of a series of the Earth Observing System (EOS) satellites. EOS will monitor the evolution of the state of the earth for 18 years, starting with the morning observations of EOS-AM1 (10:30 a.m. equatorial crossing time). An integrated view of the earth, as planned by EOS, is needed to study the interchange of energy, moisture, and carbon between the land...
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ژورنال
عنوان ژورنال: Conservar Património
سال: 2008
ISSN: 1646-043X,2182-9942
DOI: 10.14568/cp8_4