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101.
Moisture transfer in the walls in direct contact with the ground leads to the migration of soluble salts, which are responsible for many building pathologies. The treatment of rising damp in historical heritage walls is a very complex procedure. The traditional techniques currently used to minimize rising damp are, in most cases, slight effective or too expensive, especially when dealing with walls of considerable thickness and/or heterogeneous materials such as the historical monuments. The main purpose of this work is to present the experimental results of the rising damp treatment conducted, over 3 years, in the Vilar de Frades Church, in northern Portugal, using the wall-base ventilation technology. The results showed that, for this particular climate conditions, the best solution is to operate seasonally, with outside air admitted to the system during summer months and inside air admitted to the system during winter months. 相似文献
102.
Thinking Outside the Bubble of the Global North: Introducing Milton Santos and “The Active Role of Geography”
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Lucas Melgaço 《对极》2017,49(4):946-951
Brazilian geographer Milton Santos is one of the most quoted, celebrated, and controversial social scientists of the so‐called “global South”. His body of work employs a rich vocabulary including reinterpretations of concepts such as “totality”, as well as original concepts like “used territory”. These and other concepts have formed the basis of what could be called a “Miltonian” school of thought in geography. However, despite his national and regional importance to Brazil and the “global South” more generally, he has long been overlooked by the English‐speaking community of geographers. The present article intends to bridge this gap by offering an introduction to Santos and to the English translation of one of his most important and hotly debated texts, “The Active Role of Geography: A Manifesto”. 相似文献
103.
The Glaze Technology of Hispano‐Moresque Ceramic Tiles: A Comparison Between Portuguese and Spanish Collections
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S. Coentro L. C. Alves C. Relvas T. Ferreira J. Mirão J. Molera T. Pradell R. A. A. Trindade R. C. Da Silva V. S. F. Muralha 《Archaeometry》2017,59(4):667-684
For the first time, Hispano‐Moresque glazed tiles from Portuguese and Spanish collections were studied together and compared. This work is included in a wider study tackling the technology of Hispano‐Moresque tile production from several collections in the Iberian Peninsula. While showing many similarities, differences were identified between collections, regarding both chemical and morphological characteristics. The collection from the Mosteiro de Santa Clara‐a‐Velha (Coimbra) stands out from the other collections, with higher SnO2 content (up to 14 wt%), the highest Fe2O3 contents in amber glazes and a Ca‐rich interface layer (mostly comprised of wollastonite, CaSiO3). Samples from Palácio Nacional de Sintra (near Lisbon) and Seville‐attributed samples (from the Instituto Valencia de Don Juan) are chemically similar, except that most Sintra's samples display a K‐rich glaze/ceramic interface, whereas the ones from Seville exhibit both K‐rich and Ca‐rich inclusions. The samples attributed to Toledo show glazes with many inclusions, contrasting with the homogeneous glazes in most Hispano‐Moresque tiles. From these results, we identify differences that can be used as markers in future studies on Hispano‐Moresque tiles. 相似文献
104.
Gwendolyn Collaço 《Textile history》2017,48(2):248-267
The costume album remains an invaluable tool in revealing how patrons organised and catalogued their constantly expanding world through dress. Considering the success of the costume book as a booming market product in early modern Europe and its response in the bazaars of Ottoman Istanbul in the early seventeenth century, the topic warrants further examination of how these books shaped literate society’s perceptions of other cultures. Two early costume albums illustrate a compelling dialogue concerning the population of Ottoman Istanbul, both commissioned in bazaars by foreign travellers: the Warsaw Album of the Muzeum Narodowe w Warszawie (BOZ 165), and the Peter Mundy Album currently residing at the British Museum (Add. 23880/1974-6-7-013). My paper assesses how these books create contrasting portrayals of power and social diversity in the Ottoman Empire by using depictions of dress as windows into cultural mores. I explore how each book attempts to form a city portrait through its compilation of characters and dress in the albums. With these sources, I highlight how the joint efforts of Ottoman artists and foreign patrons offer a surprising range of interpretation, despite their mass-produced reputation in scholarship. This study highlights the considerable role of the European compiler as a curatorial agent in this process. 相似文献
105.
Gianmarco de Felice Stefano De Santis Paulo B. Lourenço Nuno Mendes 《International Journal of Architectural Heritage》2017,11(1):143-160
ABSTRACTDespite the high vulnerability of historic structures to earthquakes, the approaches for evaluating seismic demand and capacity still appear inadequate and there is little consensus on the most appropriate assessment methods to use. To develop an improved knowledge on the seismic behavior of masonry structures and the reliability of analysis tools, two real-scale specimens were tested on a shake table, and several experts were invited to foresee failure mechanism and seismic capacity within a blind prediction test. Once unveiled, experimental results were simulated using multi-block dynamics, finite elements, or discrete elements. This article gathers the lessons learned and identifies issues requiring further attention. A combination of engineering judgment and numerical models may help to identify the collapse mechanism, which is as essential as it is challenging for the seismic assessment. To this purpose, discrete modeling approaches may lead to more reliable results than continuous ones. Even when the correct mechanism is identified, estimating the seismic capacity remains difficult, due to the complexity and randomness of the seismic response, and to the sensitivity of numerical tools to input variables. Simplified approaches based on rigid body dynamics, despite the considerable experience and engineering judgment required, provide as good results as do advanced simulations. 相似文献
106.
C. Cunha N. J. Almeida B. Santander T. Tom P. Saladi A. Valera N. Cabao A. M. Silva 《International Journal of Osteoarchaeology》2016,26(6):1106-1112
A human femur diaphysis in the form of a burin was excavated from a secondary burial context containing osteological remains and industry in the Archaeological Complex of Perdigões (Portugal). The majority of these evidences are thermo‐altered and highly fragmented. Radiocarbon dates for this context place it in the middle 3rd millennium BC. Typological analyses indicate that the human femur fragment is a burin, and use‐wear comparisons suggest that it was used to drill hide. Copyright © 2016 John Wiley & Sons, Ltd. 相似文献
107.
Maria João Ferreira 《Textile history》2013,44(2):147-168
This article focuses on the textile trade between Asia and Portugal in the early modern period. It highlights the pivotal role that Portugal played in the distribution of Asian manufactures across Europe during the sixteenth and seventeenth centuries, before England and Holland set up large trading companies. It further examines the nature of Asian textile imports in Portugal, assessing their impact on consumption patterns, local manufacturing and shifts in taste. 相似文献
108.
Alfredo González-Ruibal Manuel Sánchez-Elipe Carlos Otero-Vilariño 《African Archaeological Review》2013,30(2):115-143
In this article, we present the results of the 2011 field season at the Iron Age burial site of Nandá, on the Island of Corisco, located between Equatorial Guinea and Gabon. The excavations followed a survey conducted in 2009, which evinced the extraordinary interest of the site and suggested its funerary nature. The excavations documented three levels of occupation belonging to two different phases, which are known in the region as Oveng (ad 1–600) and Group II (ad 600–1100). The first phase was characterized by secondary burials with rich metallic offerings, which were sealed by a settlement at the end of the period; the second phase witnessed the establishment of a large burial site with primary interments. Similar burials are known from Cameroon and Gabon, but the number of features identified at Nandá and the funerary sequence are quite unique in the region. Here, the evidence will be interpreted in light of Jan Vansina’s theories, where he postulates a common political tradition in Equatorial Africa from which later developments stem. 相似文献
109.
João Pedro Tereso Pablo Ramil-Rego Yolanda Álvarez González Luis López González Rubim Almeida-da-Silva 《Journal of archaeological science》2013
The highest platforms of As Laias, a settlement located in northwest Iberia, were used for storage during the Iron Age and until the turn of the Era. In this time-span, the whole hilltop – the croa – was a walled enclosure mostly used for storage and due to recurrent fires affecting the settlement's terraces, abundant plant remains were preserved in overlying wattle and daub storage structures. 相似文献
110.
Claudia J. del Río Sergio A. Martínez Jeffrey D. Stilwell Andrea Concheyro 《Alcheringa: An Australasian Journal of Paleontology》2013,37(3):241-269
Palynofloras from an outlier of Tertiary sediments in the One Tree Hill area north of Adelaide are nonmarine and correlate with similar assemblages from Middle Eocene North Maslin Sands from Maslin Bay and Golden Grove. Although there are similarities with time-equivalent Lower Nothofagidites asperus Zone palynofloras in the Gippsland Basin, a number of species in the South Australian palynofloras do not extend below the Late Eocene in the Gippsland sequences. This indicates earlier appearances for these species in southcentral Australia. The sediments overlie a highly weathered bedrock palaeosurface, indicating that a phase of significant weathering occurred prior to the Middle Eocene. A number of selected taxa are illustrated and their distribution in the palynofloras is discussed. Two new species, Proteacidites mildenhallii and Proteacidites parrawirrensis, are described and one species, Rhoipites byfieldensis, is emended. 相似文献