郭世宝博士与加拿大华人新移民研究述评

论文评述了加拿大卡尔加里大学教育学院教授郭世宝在加拿大华人新移民研究方面的学术成果。认为他在华人新移民、华人社团、移民的外国文凭认证、文化多元化与高等及成人教育研究方面成就突出,其中在华人新移民研究方面有两项理论创新：在华人新移民融合研究方面提出了＂三重玻璃效应＂理论;在华人新移民回流研究方面运用了＂双重离散＂理论。     

中国钴着色材料的分类和来源

中国历史上的钴显色材料有颜料、玻璃、陶瓷釉。花绀青、钴蓝属历史颜料;钴显色蓝色玻璃可能始于西汉;钴显色蓝色陶瓷釉始于战国陶胎釉珠,唐朝唐三彩陶瓷釉发展成多个品种。钴显色材料有国产钴土矿类和进口Smalt类。原料矿中带入的锰、铁、镍、砷、铋等杂质对色彩有一定影响。     

Optical spectroscopy as a rapid and low-cost tool for the first-line analysis of glass artefacts: a step-by-step plan for Roman green glass

Archaeometric research on glass artefacts is continuously evolving and is converging towards a multidisciplinary research domain where different types of techniques are applied depending on the questions asked and the circumstances involved. The technique described in this work is optical spectroscopy. The benefit of this technique being the possibility of building up a knowledge database for a large amount of material in a relatively short period of time and with a relatively limited budget. This is of particular interest for the investigation of extensive and/or unexplored glass collections where a first-line analysis of artefacts could facilitate the selection of material needing further and more detailed examination.     

The Communion of St Denis and the Feast of Corpus Christi in the 15th-Century Stained Glass of All Saints North Street in York

Abstract

A text scroll in a miraculous mass scene in the parish church of All Saints North Street in York contains a breviary text from the Communion of St Denis. English unfamiliarity with the Communion legend and the unusual iconography of this particular version have both contributed to earlier misidentifications of this scene as a St Gregory’s Mass. In fact, this window contains the only surviving example of the Communion of St Denis in English stained glass. The All Saints’ glass also contains evidence of a now-missing St Gregory’s Mass, arguably in the same window as the Communion scene. These mass scenes were occasionally used separately to signify the feast of Corpus Christi. Combining them in the same window would have created a potent set of images that showed different aspects of the Body of Christ. More complex cross-references between the texts and images in this glass suggest clerical involvement in a choice of iconographies that would have reflected the devotional interests of the probable lay donors, who were members of the York Corpus Christi Guild. Commissioning and funding the creation of this window may therefore have been a collaborative exercise.     

Investigations of Byzantine glass bracelets from Nufăru,Romania using external PIXE–PIGE methods

The chemical composition of twenty glass bracelet fragments found in Nuf?ru, a Byzantine site from 10th–13th centuries A.D., nowadays located on Romania's territory, has been determined using Particle Induced X-ray Emission (PIXE) and Particle Induced Gamma-ray Emission (PIGE) in external beam mode. Most of the Byzantine bracelet fragments were identified as “mixed natron-plant ash” soda-lime-silica glasses. The obtained chemical compositions indicated that the manufacturing of these finery items was performed using similar raw materials and techniques, in most of the cases involving colored glass recycling. PIXE–PIGE results highlighted the glass chromophores (cobalt, manganese, copper and iron ions) and provided hints about the mineral pigments used to paint the external surface of some bracelets.     

清雍正朝的官造玻璃器

玻璃器是清代工艺美术品中的新宠,备受皇家珍爱。清代的玻璃制造始于康熙朝。雍正朝在此基础上继续投入大量的人力、物力制作为皇室享用、馈赠的玻璃器皿。本文通过对中国第一历史档案馆收藏的《造办处各作成做活计清档》中有关雍正朝玻璃制作档案的整理,并结合现存珍贵的玻璃实物,系统地对雍正朝玻璃厂制作的玻璃品种、工艺、用途及风格特点进行了论述。     

青海大通县出土汉代玻璃的研究

本文共对12件玻璃样品进行化学组成分析.其中,部分样品还进行了密度测定,X 射线衍射分析和显微镜观察.此外,还对一颗黄色玻璃珠的表面层进行 SEM-EDX 分析.结果表明,该玻璃珠表面有金箔涂层.根据分析结果,青海大通县出土玻璃的基础成分可归为三类,即铅钡玻璃(Na_2O-PbO-BaO-SiO_2系统玻璃),钠钙玻璃和钾硅玻璃(K_2O-SiO_2系统)。此外,还对玻璃的来源进行了探讨.     

High‐boron and High‐alumina Middle Byzantine (10th–12th Century ce) Glass Bracelets: A Western Anatolian Glass Industry

The trace element boron is present in most ancient glasses as an impurity, and high boron (≥ 300 ppm) marks raw material sources that are geologically specific and relatively uncommon. Recent analyses of Byzantine glass with high boron contents suggest that glass‐making was not limited to the traditional regions of the Levant and Egypt, and a production origin in or near western Anatolia is proposed. Glass bracelets from ?i?n al‐Tīnāt in southern Turkey give fresh evidence for the production and circulation of high‐boron glasses that closely correlates with object typology. The patterning of findspots suggests that high‐boron glass was closely connected to the Byzantine world.     

Tesserae Recycling in the Production of Medieval Blue Window Glass

The purpose of this paper is to develop a means of quantifying glass recycling and to discuss the ‘anachronistic’ chemical composition of medieval blue window glass. This method relies on a new numerical method using kernel density estimates and is based on a database of published glass chemical compositions. It seeks to reveal when, to what extent and why blue tesserae were recycled for the production of French and English blue glass. First, it is suggested that blue glass had an ‘anachronistic’ chemical composition only before the 13th century. Second, the ‘anachronistic’ chemical composition of 12th‐century blue glass comes from the recycling of both blue tesserae and non‐coloured glass. Finally, this recycling was motivated by the scarcity of cobalt sources until mines were found in the 13th century.     

Glass and glass production in the Oman peninsula in antiquity reconsidered – chemical and mineralogical investigation of sands

A batch of green‐ and amber‐coloured glass chunks and unguentaria dating from the first century CE was found in 2007 at Dibba al Hisn, a site on the Arabian Sea coast of the United Arab Emirates (UAE). Its elemental and isotopic composition revealed the glass to be of a previously unknown plant ash glass type, different from known contemporary Roman, Mesopotamian, and Indian glass. The Sr isotopic composition of the glass corresponds to locally available plants, pointing to the possible existence of a first‐century CE local glass production centre. To explore this possibility, sands from around the UAE were analysed to establish their suitability for glass making and correspondence with the Dibba finds. This paper presents the results of the elemental analysis of fourteen sands. The analysis, performed using inductively coupled plasma optical emission spectroscopy (ICP‐OES), revealed all sands to be rich in lime and alumina. X‐ray diffraction revealed the presence of calcite and other carbonate minerals, as well as antigorite and quartz. Comparison of the sand compositions to average first‐century CE non‐Roman glass found at Dibba showed them to be unsuitable as raw material for producing the glass of Dibba. The evidence thus identifies this glass batch as imported, contrary to what was suggested before. This paper also reviews the occurrence of thick‐walled unguentaria in the region.