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1.
布达拉宫壁画的保护研究   总被引:1,自引:0,他引:1  
李最雄 《文博》2009,(6):157-174
布达拉宫是一处世界文化遗产,保存了大量的反映西藏政治、经济、文化、社会生活、佛教等题材的壁画,具有极高的历史价值、艺术价值和科学价值。受自然和人为因素的影响,壁画不同程度的产生了空鼓、起甲等病害,严重影响了文物的保存。本文针对壁画的最严重的空鼓病害,通过室内实验和现场试验研究,筛选出了vRPS为主剂,粉煤灰(F)加阿嘎土(A)为填料的无机灌浆材料并辅以锚杆补强加固空鼓壁画的修复材料和修复工艺,取得了良好的效果。同时对内窥镜检测壁画空鼓状况以及探地雷达检测空鼓加固后的效果也做了尝试性的试验研究。  相似文献   

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中国古代壁画艺术是中华民族文化遗产的重要组成部份,具有悠久的历史、深邃的文化内涵和独特的艺术风格.在内蒙古东西绵延数千里的辽阔草原上,壁画资源丰富.墓室壁画、石窟壁画、召庙壁画三大类型,构建了内蒙古明艳多彩、风格迥异、独具民族特色的壁画艺术宝库.  相似文献   

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Sigmund Freud's five long case histories have been the focus of seemingly endless fascination and criticism. This article examines how the long case-history genre developed and its impact on the professionalization of psychoanalysis. It argues that the long case histories, using a distinctive form that highlighted the peculiarities of psychoanalytic theory, served as exemplars in the discipline. In doing so, the article extends John Forrester's work on "thinking in cases" to show the practical implications of that style of reasoning. The article illustrates how the form disappeared once the theoretical basis of the movement was set. The genre never became institutionalized, although the content of the five long case histories did, because of Freud's accepted role as theoretician of psychoanalysis.  相似文献   

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In 1956, Dr. Robert Galbraith Heath, Chair of Psychiatry and Neurology at Tulane University School of Medicine in New Orleans, announced that he and colleagues had discovered a protein they called taraxein in the blood of schizophrenic patients that caused symptoms of schizophrenia when injected into healthy volunteers. Heath's claim received wide public and professional attention. Researchers quickly tried to confirm the discovery. These efforts, which were rigorous and in some cases conducted in consultation with the Tulane researchers, failed. Nevertheless, for the next four decades Heath continued to defend his claim. This article recounts the scientific developments that led up to Heath's putative discovery and it explores the scientific findings for and against the taraxein theory of schizophrenia.  相似文献   

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Based on published and untapped sources, the article sets out to explore the cultural and material conditions of the book trade in Italy during the eighteenth century. Special concern is given to the import of French printed works and pamphlets as a means to diffuse the Enlightenment south of the Alps. The text does not address problems of authorial status, but provides a general assessment of the literary market and its impact on the reading habits of the elites. Critical and bibliographical information is also provided about the renewal of interest for the history of the book and reading in Italy since the 1980s.  相似文献   

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The present work is a study of the wall painting complex in the Protaton Church (1295) on Mount Athos, Greece. These paintings, high in artistic value, are themselves a monument—representative of the Macedonian iconographic style. What follows is historic data set against the results of analytical investigations: the fruit of extensive research aimed at determining precise details about the applied painting techniques for the wall paintings. Hitherto it has been held that what was traditionally defined as “Byzantine fresco” was executed only on wet plaster with limewater as the sole binding medium. Now, however, through the application of instrumental analytical investigations, it is possible to demonstrate that a mixed technique involving both al fresco and al secco was employed. Furthermore, it was determined, on the basis of results from gas chromatography–mass spectrometry (GC/MS), that egg together with a modest amount of animal glue were the organic binding media used for the Protaton art work. It is certain that the scenes were initially begun on wet plaster. During or even after drying the painting was completed using the aforementioned protein binding media, thanks to which a more resistant cohesion to the painted layers was secured.  相似文献   

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Between the early 1960s and his death, Irving John Selikoff (1915-1992) was the dominant figure in the field of asbestos and health. He was particularly important in helping to establish a causal association between relatively low and spasmodic exposure to asbestos dust on the part of insulation workers and excess mortality rates. Through scientific and other activities, he played as large a part as anyone in destroying the American asbestos industry. This article traces Selikoff's medical education across three continents between 1936 and 1945. This education was relatively brief, patchy, and in some respects substandard. Selikoff never obtained the M.D. degree he repeatedly claimed he possessed. Questions are raised about how he attained such high professional recognition given his very modest educational attainments. Reflections are offered about whether asbestos regulation and litigation might have been different if Selikoff's evasions had come to light before now.  相似文献   

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In the constellation of the eighteenth-century revolutions, the French events have always occupied a dominant position. Consequently the other European upheavals have been considered as being provoked or strongly influenced by France. Yet, the Dutch revolutions in the 1780s and 1790s provide some important nuances to this interpretation. Before the French took over the Bastille, there was already a Dutch revolution with devoted Patriots, speaking about rights of man and constitutions. The Patriots had to flee abroad in 1787. In 1795, thanks to the French Army, they were able to return to their drawing boards, eager to think anew their government and society. This paper investigates how they did it and whether the American and French precedents were so influential after all in the construction of the Batavian Republic.  相似文献   

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The issue of empire has once again become a major political question in American foreign policy discourse. But whereas in the 1960s the discussion was one that mainly concerned the radical left, over the past few years the debate has largely been conducted within neo-conservative circles. The discussion is one that should be taken seriously-in part because of its intrinsically interesting character and in part because of what it tells us about the Bush grand strategy. In the end, though, the issue of whether or not there is-or is not- an American empire, is perhaps of less importance than the fact that most Americans deny that such an empire exists. This has consequences both for the conduct of American foreign policy and for its successful execution.  相似文献   

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便携式X射线荧光光谱仪作为快捷的无损分析技术,广泛应用于壁画文物的现场分析中.本文利用便携式X射线荧光光谱仪分析了西藏拉萨大昭寺转经廊壁画,选取部分样品,利用实验室X射线荧光分析,发现所分析颜料的主要显色元素具有一致性,并利用拉曼光谱确定了壁画颜料的成分.通过比较研究,发现便携式X射线荧光光谱仪可确定大部分色彩较为纯正的颜料的成分,同时,由于西藏拉萨大昭寺壁画颜料的杂多性,对于含砷的橙色颜料、含砷或含铅与含铁的黄色颜料、含铜砷的绿色颜料、含钙硫的白色颜料、群青与孔雀石的混合颜料则需结合拉曼光谱确定之.本研究工作显示,利用便携式X射线荧光光谱仪开展现场检测,可极大地减少实验室分析样品的取样数量,有利于壁画颜料的无损分析与微损分析.  相似文献   

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2004年年初,驻守在巴彦淖尔市的边防战士在乌拉特中旗巴音杭盖西北部发现多处岩画,随即上报有关部门。内蒙古文化厅接到报告后,于2004年2月11日委派内蒙古文物考古研究所、会同巴彦淖尔市文体局、文物管理所、乌拉特中旗文体局、文物管理所等有关业务人员在驻防部队的协助下,对鬼谷岩画进行了实地调查。鬼谷岩画位于巴彦淖尔市乌拉特中旗巴音杭盖苏木西北部,中蒙边界698号界标南大约3公里处。“鬼谷”,为当地俗称,蒙古语称毛都呼热,实际上是季节性河流冲刷而成的一条较深河谷,地属阴山北部、乌拉山以东的山地丘陵区。该区南向是连绵起伏…  相似文献   

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王强 《东南文化》2004,(1):82-83
继承传统而又张扬个性,深八生活而又高于生活,痴迷自然而又超越自然,终使石涛成为一代大师。  相似文献   

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