明以降滹沱河平原段河道变迁研究

滹沱河是海河子牙河系最主要的支流。明清时期,滹沱河平原段善淤、善决、善徙,被称为“决不可以人力治者”。本文通过对明清相关史料的收集、分析、整理,首次对明以来滹沱河的变迁改道进行了具体详细的恢复,进而发现滹沱河在不同历史时段,其流经方向、河道稳定性、主要河患影响范围和程度都有不同的特点。据此,文章将滹沱河变迁分成四个阶段———①明初(1368年)至明正德十二年(1517年);②明正德十二年(1517年)至清顺治二年(1645年);③清顺治二年(1645年)至清同治七年(1868年);④清同治七年(1868年)至今———并对其分别进行了介绍,最后总结了明清时期滹沱河变迁的特点和规律。     

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.     

试论中国文字的起源

中国文字的起源具有多源特点,不仅要关注汉字的起源问题,也要关注黄河、长江流域古代先民所使用的非汉字系统文字的起源问题,这样有助于对中国早期文字的发展状况获得新的认识,进而建立起与己知的甲骨文体系或异或同的有关文字起源的研判标准,并寻找出正确的研究方法.     

高校学生违纪现象多维分析与治理探究

随着高等教育规模的不断扩大和高校管理体制的改革的进一步深入,高校学生管理体制、方法和手段出现了弱化和改革滞后的现象,大学生违纪现象呈逐渐上升趋势。本文从当前高校大学生违纪的现象与特点入手,对其原因进行探究,并对如何减少违纪现象的出现、杜绝违法案件的发生提出了一些预防对策。     

An Early Permian brachiopod fauna of Gondwanan affinity from the Baoshan block,western Yunnan,China

The present paper describes and illustrates an Early Permian brachiopod fauna collected from two localities from the upper part of the type Dingjiazhai Formation near Youwang, 30 km south of Baoshan in the Baoshan block, western Yunnan, China. The brachiopod fauna is dominated by Stenoscisma sp. and Elivina yunnanensis sp. nov. and exhibits strong generic and some specific links with faunas from the Bisnain assemblage of Timor and the Callytharra Formation of Western Australia and, to a lesser extent, faunas from the Jilong Formation of southern Tibet, the Tashkazyk Formation of southeastern Pamir, the lower Toinlungkongba Formation of northwestern Tibet, the upper Pondo Group of central Tibet, and the Jimba Jimba Calcarenite of the Carnarvon Basin, Western Australia. Based on these correlations, a Late Sakmarian (Sterlitamakian) age is preferred for the Dingjiazhai brachiopod fauna. Two new species are proposed: Globiella youwangensis sp. nov. and Elivina yunnanensis sp. nov.     

Damage or protection? The role of smoked crust on sandstones from Yungang Grottoes

Black crusts, such as dust deposit and smoked smudge, are the main pollutants in Yungang Grottoes, the world famous Buddhist heritage site. It is always considered that the black crust should be removed during the conservation process of stones. In this paper, the investigation of the role of smoked crust on the Yungang sandstones was performed to verify if the smoked layer on the stone surface would be harmful or protective. The results of SO₂ corrosion experiments with and without water both show that the samples covered with smoked layer can play a protective role on the sandstones, which means that the smoked layer on the stones can prevent the attack of SO₂ and water, the major deterioration agents in Yungang area. The multi-factor deterioration cycle experiments, including salt crystallization, freeze–thaw damage, wet–dry cycle and acid corrosion, also indicate that the smoked samples are less deteriorated and salt crystallization is the most severe damage to the sandstones.     

Reconfiguring the Silk Road: New Research on East-West Exchange in Antiquity. Philadelphia,PA: University of Pennsylvania Museum of Archaeology and Anthropology

正ISBN:978-1-934536-68-1,pp.136,31 color,9 b/w illus,$59.95.Since"The Belt and Road Initiative"reviving the ancient trade land and maritime trade routes was proposed by the Chinese state at the end of 2013,the routes linking East and West by land and sea,whereby silk,spice,and glass were transported by ship or camel,are frequently mentioned.From East Asia to Europe,it garners increasing attention from institutes,think-tanks,and forums     

Chorilingia (Neuroptera: Grammolingiidae): a new genus of lacewings with four species from the Middle Jurassic of Inner Mongolia,China

SHI, C.F., WANG, Y.J., YANG, Q. & REN, D., September 2012. Chorilingia (Neuroptera: Grammolingiidae): a new genus of lacewings with four species from the Middle Jurassic of Inner Mongolia, China. Alcheringa 36, 311–320. ISSN 0311-5518.

A new grammolingiid genus, Chorilingia containing four new species (C. euryptera, C. parvica, C. translucida and C. peregrina) is described and illustrated from the Jiulongshan Formation at Daohugou, Inner Mongolia, China. The new genus is differentiated mainly on the first branch of vein Rs (Rs1) separating distal to the forks of both CuA and CuP. A key to species of the genus is provided.     

明代浙江永嘉盐场的赋役改革与地方变迁

文章从明代两浙盐政变革的制度背景出发,考察永嘉盐场成弘时期的盐课改折、嘉靖前期的盐课转嫁、嘉靖后期的私盐倭乱、隆庆年间的赋役改革等历史事件,探讨该过程中州县官府与盐场地方势力之间的复杂利益博弈。对永嘉盐场的个案研究,或许有助于增进我们对明代盐场赋役制度运作和东南沿海社会变迁的理解。