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1.
Cultural-historical psychology identifies play as the leading activity in preschool development. Vygotsky's (1967, 1978) seminal work outlined two categories of leading influences: play makes a foundational contribution to the development of semiotic mediation, and it involves active appropriation of social roles and rules and other integral aspects of social organization. Leont'ev's (1981) concept of appropriation and Bakhtin's (1981) concepts of heteroglossia and ideological becoming are used to elaborate and extend Vygotsky's original work, particularly with regard to creativity in preschool play. The paper concludes with a consideration of the pedagogical implications of the cultural-historical view on play, including the use of play to cultivate understanding of the arbitrary nature of signs and the appropriation of the social roles and organizational patterns of society.  相似文献   
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The aim of the work is to set up a methodological approach to verify the effectiveness of the treatments of decayed waterlogged archaeological wood and to point out the proper thermo-hygrometric conditions for its preservation after treatment. The treatments were performed on wood samples of maritime pine (Pinus pinaster Aiton), oak (Quercus sp. caducifolia), elm (Ulmus cf. minor) and strawberry tree (Arbutus unedo L.), obtained from stems pertaining to the original vegetation found in the excavation site of the Ancient Ships in Pisa (Italy), and dated from seventh century BC to second century AD The utilised products were: Polyethylene Glycols (PEG) of various molecular weights, a Polypropylene Glycol (PPG 425), Trehalose (α-D-glucopyranosyl-α-D-glucopyranoside), and their mixtures, and also a Hydroxypropylcellulose (Klucel). The main objective to be pursued by the treatments was considered the stabilisation of the original size and shape of samples. The various steps of this approach were: the execution of a preliminary diagnostic survey on untreated samples; the characterisation of treatment solutions ‘as such’ to establish the property to be monitored during the treatment; the evaluation of the main physical characteristics of wood after the treatment were determined. Among the latter, the coefficient of dimensional stability during the exposure to a series of selected thermo-hygrometric conditions and the retention of consolidants after the treatment. These two measurements allowed the definition of the ‘efficacy of a treatment’, φT, a new parameter firstly utilised in this work. It measures the stabilisation capability of the percent unit of retained product, and its value permits to put in evidence the consolidants that stabilise wood with the lowest amount of product. Conversely, it was not possible to measure the Anti-Shrink Efficiency (ASE), one of the most utilised parameters for the evaluation of treatments, because of the serious distortions and fractures observed in all the heavily degraded untreated samples.  相似文献   
4.
Archival theory in Italy has a long tradition, going back as far as the second half of the nineteenth century, and with roots in the 17th and 18th centuries. Central theme in the theory is themetodo storico, the principle of provenance, for the first time expressed in the late 19th century by Bonaini and Bongi. In the following decades archivists like Casanova and Cencetti were among the leading authors. Elio Lodolini assigned himself the task to synthesize ideas and notions, within a clear distinctions between records (registratura) and archives. One of the overall characteristics of the rich Italian literature is the stressing of the cultural value of archives. I have twice treated before the theme of archival theory in Italy from the fifties up to the nineties. The first time on the occasion of the 25th anniversary of theScuola speciale per Archivisti e Bibliotecari dell'Università degli Studi “La Sapienza” di Roma in 1989, when there was an international round table on archival science in the State Archives of Rome. My essay,Italian archival science today, has been published in the proceedings of the meeting (cfr. Donato Tamblé,L'archivistica in Italia oggi, inStudi sull'archivistica, by Roma: Elio Lodolini, 1992). Some years later, in 1993, I published a book on contemporary Italian archival theory (Donato Tamblé,La teoria archivistica italiana contemporanea (1950–1990). Profilo storico-critico (Roma, 1993) which was the sequel to the volume of Elio Lodolini on Italian archival history — (Lineamenti di storia dell'archivistica italiana (Roma, 1991). The purpose of my book was that of locating and identifying the scientific object of archival science as it developed and was clarified in the thinking and in the lucubration of the contemporary Italian Archivists.  相似文献   
5.
The authors in this article argue that the Francisco Maestas et al vs. George H. Shone et al (1914) case is one of the earliest Mexican American challenges to school segregation in the United States. Unidentified for over a century, the lawsuit took place in southern Colorado, a region of the nation where Mexican Americans have deep historical roots. This case was unique because the racial background and linguistic needs of Mexican American children were contested. First, plaintiffs (Mexican Americans) argued their children were racially distinct as Mexicans and used the Colorado Constitution to challenge segregation because the state prohibited public schools from classifying and distinguishing children based on color and race. Defendants (school board members and the superintendent) countered that Mexican American children were Caucasian and claimed they were no different from other White children in the school district. Second, school district officials maintained that non-English speaking Mexican American children were placed in a separate school in order to serve their linguistic needs. The district court judge discovered that school officials had created a policy that sent all Mexican American children to the separate school. To the extent that many Mexican American children were English speaking, the district court judge ruled in favor of Francisco Maestas on the grounds that school officials could not prevent English-speaking Mexican American children from attending schools of their choice in general and schools that were closer to their homes in particular.  相似文献   
6.
The Terra Populus project (TerraPop) addresses a variety of data management, curation, and preservation challenges with respect to spatiotemporal population and environmental data. In this article, we describe our approaches to these challenges, with a particular focus on geospatial data workflows and associated provenance metadata. The goal of TerraPop is to enable research, learning, and policy analysis by providing integrated spatiotemporal data describing people and their environment. To do so, TerraPop is assembling a globe-spanning and temporally extensive collection of high-quality population and environmental data, ensuring good documentation, and developing a Web-based data access system that enables users to assemble customized integrated data sets drawing on a variety of data sources and formats. We describe TerraPop's collection strategies, detail the geospatial workflows involved in preparing data for ingest into the project database and those used to transform data across formats for dissemination, and discuss the system used to capture and manage provenance metadata throughout the project. A key aspect of the project is the development of global current and historical administrative unit boundaries that can be linked to census data. These boundaries serve as the linchpin of TerraPop's data integration strategy, and constitute an important data set in their own right.  相似文献   
7.
Mechanical behavior of leaning masonry Huzhu Pagoda   总被引:1,自引:0,他引:1  
The paper has been developed in the framework of a larger research program, in which the University of Rome “Tor Vergata” (Italy) and the Yangzhou University (China) are jointly involved to study and preserve historic towers. The research aims to evaluate the risk of collapse of the Huzhu Pagoda in Songjiang County, a leaning tower built in the XI century. Mechanical properties of the masonry material have been obtained by experimental tests on small specimen and the mechanical behaviour of the structure has been evaluated via numerical models. The static analysis of this ancient pagoda constitute a prerequisite base for the evaluation of its structural behavior leading to a suitable maintenance program. The architectural characteristics and damage conditions of the pagoda are key parameters in the preparation of a complex analytical model. The pagoda leans more than six and half degrees, and exhibits some bad structural conditions. Static analysis is carried out via finite-element method in order to establish a reliable numerical model and assess the static risk.  相似文献   
8.
Scholars have traditionally considered Aquinas’ theory of happiness as fundamentally Aristotelian. However, this interpretation does not seem an adequate characterization of Aquinas’ doctrine that appears as the result of the influence of several traditions. In interpreting Aristotle, Aquinas is influenced by two Byzantine Neoplatonic commentators of Aristotle – namely, Eustratius and Michael of Ephesus. In developing his theory, Aquinas tries to harmonize the Aristotelian perspective with Latin Neoplatonic notion of perfect happiness, put forward by Augustine, and both the Greek theory of the human intellect proposed by Pseudo-Dionysius and the Arabic doctrine of the human soul, expressed by the Liber De Causis. The Sententia libri Ethicorum provides the best opportunity to trace how Aquinas’ doctrine arises out of a dialogue between these different traditions.  相似文献   
9.
OBJECTIVE: The principal objective of this paper is to identify the economic costs and benefits of pedophile treatment programs incorporating both the tangible and intangible cost of sexual abuse to victims. METHOD: Cost estimates of cognitive behavioral therapy programs in Australian prisons are compared against the tangible and intangible costs to victims of being sexually abused. Estimates are prepared that take into account a number of problematic issues. These include the range of possible recidivism rates for treatment programs; the uncertainty surrounding the number of child sexual molestation offences committed by recidivists; and the methodological problems associated with estimating the intangible costs of sexual abuse on victims. RESULTS: Despite the variation in parameter estimates that impact on the cost-benefit analysis of pedophile treatment programs, it is found that potential range of economic costs from child sexual abuse are substantial and the economic benefits to be derived from appropriate and effective treatment programs are high. CONCLUSIONS: Based on a reasonable set of parameter estimates, in-prison, cognitive therapy treatment programs for pedophiles are likely to be of net benefit to society. Despite this, a critical area of future research must include further methodological developments in estimating the quantitative impact of child sexual abuse in the community.  相似文献   
10.
Archival theory in Italy has a long tradition, going back as far as the second half of the nineteenth century, and with roots in the 17th and 18th centuries. Central theme in the theory is themetodo storico, the principle of provenance, for the first time expressed in the late 19th century by Bonaini and Bongi. In the following decades archivists like Casanova and Cencetti were among the leading authors. Elio Lodolini assigned himself the task to synthesize ideas and notions, within a clear distinctions between records (registratura) and archives. One of the overall characteristics of the rich Italian literature is the stressing of the cultural value of archives. I have twice treated before the theme of archival theory in Italy from the fifties up to the nineties. The first time on the occasion of the 25th anniversary of theScuola speciale per Archivisti e Bibliotecari dell'Università degli Studi “La Sapienza” di Roma in 1989, when there was an international round table on archival science in the State Archives of Rome. My essay,Italian archival science today, has been published in the proceedings of the meeting (cfr. Donato Tamblé,L'archivistica in Italia oggi, inStudi sull'archivistica, by Roma: Elio Lodolini, 1992). Some years later, in 1993, I published a book on contemporary Italian archival theory (Donato Tamblé,La teoria archivistica italiana contemporanea (1950–1990). Profilo storico-critico (Roma, 1993) which was the sequel to the volume of Elio Lodolini on Italian archival history — (Lineamenti di storia dell'archivistica italiana (Roma, 1991). The purpose of my book was that of locating and identifying the scientific object of archival science as it developed and was clarified in the thinking and in the lucubration of the contemporary Italian Archivists.  相似文献   
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