Metallurgical study on some Sasanian silver coins in Sistan Museum

Elemental analyses and microstructural studies of historical metal artifacts provide researchers with invaluable and priceless information about metal extraction technology and the procedure of creating artifacts. In addition, the information is helpful for knowing about the metallurgical processes of the artifacts. This study was conducted by a microscopic examination and elemental analyses of seven Sasanian silver coins preserved in the Sistan Anthropology Museum, Iran. For the purpose of this study, three methods were employed: first, the proton induced X-ray emission microanalysis (micro-PIXE), to determine the main and trace elements of the coins; second, scanning electron microscopy with energy dispersive X-ray spectroscopy (SEM-EDS), to perform elemental analysis to identify impurities of the metal; and third, microstructural analysis of the coins which was carried out with an optical microscope (OM). The elemental analyses identified Ca, Cu, Ag, Au, and Pb in the coins. The high quantity of Ag in samples validated the application of advanced and accurate cupellation technology for refining silver and separating impurities from raw ore. The gold concentration in the coins indicated the use of non-galena ore for silver extraction. Additionally, the microstructural analyses of samples pointed to the application of thermo-mechanical processes on coins.     

Iranian Exceptionalism and Twelver Shi‘ism

Homa Katouzian's exceptionally perceptive, influential, and wide-ranging scholarship has been marked by three mutually reinforcing characteristics: a profound and detailed mastery of Iran's multi-civilizational heritage; a comparatively informed focus on the country's distinct historical trajectory; and an existentially grounded pluralist perspective in examining and evaluating the country's major political turning points and actors. These features are already fully displayed in his early magnum opus, The Political Economy of Modern Iran (1981), whose historical and political conclusions have been underlined time and again by the subsequent and often shocking national and international turns. In the intervening period, Katouzian has developed the cyclical theory of Iran's history as an “aridosolatic,” “pickaxe” or “short-termist” society. Of the important questions that his contributions raise or address, this paper examines the long-term continuity of Twelver/Imami Shi‘ism's trajectory which uniquely in the twentieth century Muslim and other worlds produced the leaders of two great revolutions. The result entails the addition of a still unfolding evolutionary-institutional layer within Katouzian's research program which may enhance its explanatory power and reinforce its political vision.     

On Language Distribution in Ilam Province,Iran

As is still the case in many parts of Iran, the distribution of languages and dialects in Ilam Province, western Iran, is unevenly documented. There have been several studies on specific language varieties spoken throughout the province but, in large part because of conflicting perspectives on the relationship between language and ethnicity, the situation for the region as a whole has until now remained unclear. The present study first of all brings together existing sociolinguistic and demographic data on language distribution and highlight areas of uncertainty. The main part of the study provides an overview of local perceptions of language distribution and language use based on field research and interviews conducted in each of the province's ten regions (shahrestān) and their twenty-five districts (bakhsh). Here, respondents' assessments of the geographic extent of the province's four main languages—Kurdish, Luri, Laki and Arabic—as well as more minor languages spoken by immigrants from elsewhere in Iran are summarized. For Kurdish in particular, which is the major of the four languages, the article shows the perceived geographic distribution of each major dialect and its affiliation within one of two major Kurdish dialect groups: Ilāmi (or “Feyli”) and Kalhōri. This analysis is followed by a brief discussion of multilingualism. The results of the study are brought together in a map of the province's languages.     

Effects of mothers’ deaths on children’s schooling in Matlab subdistrict,Bangladesh

This quantitative analysis examines evidence for the impacts of mothers’ death on the schooling of their left-behind children (ages 6–17 years) in the Matlab Health and Demographic Surveillance System (HDSS) area of the International Centre for Diarrhoeal Disease Research, Bangladesh. The analysis compared the completed levels of primary and junior secondary schooling in 2005 (respectively Class 1 among ages 6–17, Class 5 among ages 12–17 and Class 7 among ages 15–17) of children whose mothers had died during 1982–2005 (from maternal and/or nonmaternal causes, and any cause) with the completed schooling of children of surviving mothers in 2005. The results, after controlling for selected socioeconomic variables, indicate that children whose mothers had died had lower completion of schooling levels, and that those children from poorer households fared worst.     

Khirbat al‐Mana‘iyya: an early Islamic‐period copper‐smelting site in south‐eastern Wadi ‘Araba,Jordan

Recent excavations in south‐eastern Wadi ‘Araba in Jordan have revealed the first early Islamic‐period copper‐smelting site known in the eastern side of the valley, which extends south of the Dead Sea to the Gulf of ‘Aqaba. Five test pits were excavated in 2012 at Khirbat al–Mana‘iyya, a prominent copper‐smelting camp in south‐eastern Wadi ‘Araba, Jordan. The results of these excavations demonstrate that the site was primarily active in the seventh–ninth century AD. Its distance from the copper sources of south‐west ‘Araba suggests that its location was chosen based on proximity to wood and water resources, rather than copper ore deposits. The discovery that the site dates to the early Islamic period has implications for previous and future work in south‐east ‘Araba. In particular, it challenges the common—until now—view of the region as virtually devoid of settlement during this period.     

Experimental and Analytical Study of Seismic Soil-Pile-Structure Interaction in Layered Soil Half-Space

The dynamic interaction of pile foundations, embedded in a horizontally stratified soil profile, with superstructures under low to moderate earthquake excitation can be handled in different ways. In this article, the soil-pile-superstructure dynamic interaction problem has been investigated using the coupled finite element-boundary element method. Comparison with shaking table experiments of a small scale model pile shows a good correlation with the proposed method in terms of the kinematic response of pile foundations and the structural response. A parametric study of the proposed model has yielded important results essentially concerning the amplification factors of the pile foundation and the superstructure.     

Asteropygine trilobites from the Late Devonian of the Kerman region,Iran

The discovery of two new Frasnian species of the subfamily Asteropyginae, Bradocryphaeus kermanensis and Radiopyge hamedii, in the Haruz section north of Kerman, east-central Iran, demonstrates for the first time the presence of North Gondwanan trilobites in this region. The two new species provide a link between faunas from Afghanistan to the east and the Alborz Mountains in north Iran. The recognition of R. hamedii confirms the validity of Radiopyge Farsan, hitherto known only from Afghanistan, as well as the presence in some Frasnian Asteropyginae of six pairs of lateral pygidial spines.     

Iranian Women's Participation in the Academic World

This article intends to give a comprehensive picture of women's participation in the scientific field in Iran in the last four decades, among students and members of academia. One major fact is that despite the legal and cultural impediments the proportion of young women in the universities has risen above 50 percent. Another is that this increase has occurred much more at the undergraduate level than at the graduate and post-graduate levels. In the academic world, women are still far outnumbered by men, particularly at the higher levels of the hierarchy. We intend to show how the discrepancies are structured between the undergraduate and the graduate levels on the one hand, and between the lower and higher levels of academic hierarchy on the other, and propose an interpretation of these two major tendencies.