吴越细绳纹类青铜礼器成形技术研究

吴越青铜器发展到春秋中晚期,出现了一批极富地域文化特色的青铜器,器表饰有细绳纹和细薄而峻深的纹饰,或在纹饰间布满细芒刺突起的棘刺纹。本工作通过对吴越青铜器陶范铸造技术的探索和吴越细绳纹类青铜礼器的复原试验,以期揭示出这类细绳纹类青铜礼器的成形技术。实验过程是以绳索为模,在湿陶范内埋入绳索,当陶范入窑焙烧时,绳索焚烧后形成绳索状凹槽,浇注青铜液后则成为具有突起状绳纹装饰的青铜器。焚烧绳索形成纹饰,是一种在平面上形成三维纹饰的技艺,能在青铜器表面形成规整的绳纹,可能为东周时期吴越地区古代工匠铸造细绳纹类青铜礼器的一种方法。     

20世纪30年代初中国知识界的社会主义思潮

1929-1933年的经济危机使西方资本主义世界陷入经济、政治、信仰危机的深渊.资本主义的吸引力日益削弱;而这时社会主义国家苏联的第一个五年计划却取得了辉煌成绩,创造了"孤岛繁荣"的奇迹,社会主义的魅力迅速彰显;在危机打击下,资本主义国家加强对华经济掠夺,日本则悍然发动侵华战争,中华民族危机陡然增加.这些因素构成30年代初中国知识界社会主义思潮兴起的直接诱因.中国知识界的社会主义思潮在苏联完成"一五计划"和欧美经济危机最严重的1932-1933年间达到高潮,其后,由于民族危机加深、民族主义思潮高涨而逐渐趋向低落,并最终被掩盖于抗日战争的浪潮之下.概言之,中国知识界的社会主义思潮大致可以分为热谈苏联和社会主义、探讨苏联"一五计划"成功的原因以及追求社会主义三个既有联系而内涵又各有不同的层次.与五四时期的社会主义思潮相比较,30年代初的社会主义思潮带有浓厚的计划经济气息和缺少理论上的建树两个显著特点.     

清代山东周村镇的商业

周村是清代山东著名商镇之一。其兴起在康熙-乾隆年间,清代中叶迅速发展。云集周村的各省客商中,北方商人以晋商势力最强,南方商人则以福建为多。道光年间汇聚周村的商人商号可达八九百家乃至千家。周村从南方输入的商品主要是绸缎、杂货,在本地集散的商品则有棉布、生丝、丝绸、茧绸等。清中叶以降,周村开始从单纯的商业中心向加工制造业中心转化,其所产棉布、丝绸不仅占领了东北、华北的广大农村市场,且有一部分打入城市市场。     

泥河湾在中国旧石器时代考古研究中的地位

我国旧石器时代考古学已走过86年历程,本文在前人探讨分析的基础上,以旧石器时代考古学理论和方法的演变为依据,从学术史的角度将我国旧石器时代考古学划分为类型学时期、考古学文化时期、文化生态学转型时期三个阶段,指出泥河湾盆地已成为中国旧石器时代考古研究新阶段的领头羊。     

中国早期失蜡铸造问题的考察与思考

就先秦时期青铜器中四类无法按分块陶范铸造工艺解释的纹饰或附件——器物通体饰难于整体脱范的纹饰,纹饰凹槽内宽外窄,形成倒勾纹饰,纹饰边缘上翘,形成翻边的纹饰以及无范线绞股绳索状附件进行了技术分析或模拟试验,认为中国失蜡铸造技术起源于焚失法;焚失法最早见于商代中晚期:焚失法铸造技术在无范线失蜡法技术出现之后逐渐消亡;至春秋中晚期,无范线失蜡铸造技术已相当成熟。所谓中国青铜时代“没有失蜡法铸造器例”之说实属无稽之谈。     

清乾隆至道光年间的聊城商业——以山陕会馆碑刻资料为中心的考察

聊城是清代中叶山东运河沿线的重要转运码头,经由该城转运的商品以绸缎、布匹、皮毛、纸张、茶叶等为大宗。绸缎、纸张、茶叶等南来商品的转销范围大致包括鲁北、冀南、豫东以及山西;棉布和皮毛制品则为东昌本地所产,主要销往西北和口外。依据会馆抽厘率折算,乾隆初年山陕商人在聊城的经营规模每年仅数十万两,嘉庆时增至一百数十万两,道光年间即便从低折算也达到210万两。全城合计,嘉庆年间聊城的商业规模已达每年200万两;道光年间以1‰的抽厘率折算为300万两,若以0.3‰的抽厘率折算则高达1000万两。     

Spatial Pricing Policies Reconsidered: Monopoly Performance and Location

This paper reexamines the welfare implications of three pricing regimes (mill, uniform, and discriminatory) for a monopoly. Assuming linear demand and constant marginal costs, I show that with the introduction of endogenous location choice, uniform delivered pricing may provide the highest social welfare when demands in different markets are sufficiently heterogeneous; whereas discriminatory pricing always dominates uniform pricing when demands in different markets are similar.     

Sow One Seed, Gain One More Life

The meadow on the highland is as broad as an ocean, yet it is also as quiet as a painting, without the limitation of a frame. It seems more natural and lively than a painting. It is as simple as the clear eyes of a Tibetan sheep, reflecting the rippling green grass and the scent of the soil as carried by the breeze. This scent followed me all the way as I followed spring＇s progress across the highland and as we drove deeper into the wide prairie in the County of Hongyuan. A Tunnel Enclosure in Camouflaged Clothing On average, Hongyuan is more than 3600 meters above sea level and is mainly involved in animal husbandry. It is the only county largely inhabited by Tibetans in the Prefecture of Aba. There is a vast area （777,200 ha.） of lush native grassland, 91.8 percent of the whole county. ＂Tashi Delek, welcome my reporter＂ said Tsepudan, Chairman of the Karlama Village Committee in the Township Village of Achok in the County of Hongyuan. He greeted me with smiles. He looked tall and strong in his traditional Tibetan robe, with a large-screen cell phone at his waist. ＂What＇s the fence for＂ I asked in curiosity. Before me was a huge fenced paddock. ＂A tunnel enclosure, they helped us build it,＂ said Tsepudan, pointing towards our companions （Professor Li Jian, and Professor Tang Cheng from the Southwest University for Nationalities, as well as Mr. Liu Gang from the Sichuan Prairie Institute）. Made of steel, the tunnel enclosure is shaped in a hexagon, 10 meters long. At first sight, it seems to be without any technical content. Actually, it contains a certain delicacy in its awkwardness. It saves a lot of labor and time when it is used to give an injection or medicine, or shear sheep, weighs something, or transport yaks and sheep. The Southwest University for Nationalities, the Sichuan Prairie Institute and local herdsmen produced it together, including its design, site selection and construction. Eight national     

抗战前南京国民政府防空建设初探

1927年4月南京国民政府建立后,并无立即进行防空建设,直到九一八事变与一二八事变之后,才意识到防空建设的重要性,并开始加强该方面的建设。为此,南京国民政府不但创办防空学校、建立全国性的防空协会及在全国各大城市组织防空展览和举行防空演习等一系列加强防空宣传教育的措施,而且还完善防空设施,如组建防空监视哨以构建防空情报网、加强灯火管制与组建防空部队等,这些措施在一定程度上为抗战初期减少国力的损失与人员的伤亡做出了积极贡献,在我国防空建设史上具有十分重要的历史地位。     

遵义乡贤宦泽民述略

宦泽民第遵义名门、沙滩文化重要的学者宦懋庸之孙。从晚清留学日本,投身辛亥革命,参加护国运动,桑梓从教十余年。一生勇于奉献,尽职尽责,算得上是贵州一位有作为的乡贤,值得后世效法。