污染大气中浑仪,简仪的带锈防护

浑仪、简仪（以下简称两仪）在高PH、大气污染和日晒雨淋环境中的腐蚀是一种动态加速腐蚀过程。采用合成的双唑胺铜缓蚀剂和有机硅改性的甲基丙烯酸树脂,并分别复配成协同缓蚀剂群和含有增效稳定剂的封护剂。采用这两种材料和脱水后再防护的工艺,使带锈防护后的浑仪、简仪的腐蚀低于无污染大气中的速率。用电化学方法评价了防护技术的可行性,根据腐蚀与人工老化试验结果讨论了防护材料性能与腐蚀环境和带锈防护的关系,采用XPS分析方法探索了双唑胺比BTA更适用于两仪防护的原因。     

试论人类身高的地域差异规律及其成因

人类身高高纬高于低纬,牧区高于农区、沿海高于内地、低海拔高于高海拔、城市高于农村、发达国家高于发展中国家。其主要原因是气温的高低、光照的多少和营养的差异。     

A Technocratic Vision of Empire: Lord Montagu and the Origins of British Air Power

This article advances the existing literature on British imperial aeronautics by explaining how Lord John Montagu’s extensive collaboration with military and government officials during the first decades of powered flight expanded the global distribution of the air forces and anticipated their important later role in facilitating international communication and security. In reconsidering problems of conquest and governance through an aeronautical perspective, Montagu strengthened critical junctures between British civil and military affairs, while his innovative employment of the new technology also complicated divisions between the metropolis and periphery in ways that would intensify the destructiveness of modern warfare across the planet.     

Losing the Blanket,Building a Fence: Australian Anxiety and the End of Military Colonialism in Malaysia

From 1955 to 1988, the Royal Australian Air Force (RAAF) maintained a large airbase in Northern Malaysia. For the first 15 years of its existence, RAAF Butterworth had a modest and incomplete perimeter fence. With the end of British military colonialism in Malaysia and Singapore following the implementation of the ‘East of Suez’ policy, the Australians became preoccupied with their physical security and the role of the perimeter fence. By exploring the adoption of practices of exclusion via physical barriers in the wake of British withdrawal, this paper argues that the changing psychological outlook of Australian military officials reflected broader Australian anxieties about their own sense of ‘Britishness’ and the nation’s place in a decolonising Asia. As the Australians lost their British ‘blanket’ they built a fence.     

Be Part of the Story: A popular geopolitics of war comics aesthetics and Royal Air Force recruitment

This paper provides an analysis of images associated with the British Royal Air Force's recent ‘Be Part of the Story’ war comic-styled military recruiting campaign. Set around literatures in popular geopolitics, the paper builds on the concept of comic book visualities to suggest that the ‘Be Part of the Story’ images reproduce longstanding war comics conventions, and coherently represent the complex, relational and spatially disparate battlespaces of the present. The paper, firstly, provides a detailed history of war comics as they have mediated war to publics, and argues that war comics should figure more strongly in future studies of popular geopolitics. Secondly, it argues that more than simply part of a pervasive ‘cultural condition’ of militarization, military recruitment is a vital medium through which states and militaries view, and choose to represent their role in the world. Lastly, it demonstrates that ‘Be Part of the Story’ reproduces the violent visions, metaphors and cultural designations integral to state-centric narratives of global politics, and specifically, spatial principles inherent to network-centric warfare.     

博物馆文物环境用甲醛净化材料评价方法研究

博物馆文物环境因装饰材料所致甲醛污染以及由此产生对文物危害问题已被普遍关注.为了评价净化材料实际使用中对污染物去除净化能力,搭建了静态试验舱,建立了该环境中甲醛的定量分析方法.研究了甲醛溶液法和人造板散发法两种产生甲醛气体的方法,以及吸附材料不同加入方法等对净化材料评价结果的影响,研究试验舱内甲醛浓度随时间的变化规律,建立了净化材料脱附量检测方法,分别测定了活性炭和三种壳聚糖基净化材料的净化效果.结果表明,用人造板散发法产生甲醛气体方法能用于甲醛净化材料的评价,得到净化率指标反映了净化材料在实际文物环境中的应用效果,脱附量指标能直观比对和反映净化材料对污染物的吸附稳定性.     

档案库房空气净化的研究

为解决大面积库房的空气净化问题,利用中央空调设备的送回风循环系统,采用灭菌型空气净化专利技术对库房空气净化处理。研究结果证明,被测环境中有害气体组分明显下降,霉菌菌落均有减少。对调节空气和改善库房内的空气质量起到了良好效果。     

改良铜乙二胺法应用于手工纸特性黏度和聚合度测定的适用性探讨

纸张纤维素的聚合度是影响纸张寿命及其力学性能的关键因素之一。手工纸纤维素聚合度的研究对确定古籍纸张年代和衡量修复纸质量均有重要意义。为此,本研究以皮纸、麻纸、竹纸和草纸中的迎春纸、苎麻纸、元书纸和龙须草纸为对象,研究了铜乙二胺(CED)法在手工纸检测中的适用性,并探讨了木素含量、溶解时间和空气对手工纸特性黏度的影响。研究发现,纤维素特性黏度和聚合度可按扣去木素含量的实际纤维素浓度计算获得,并且改良的CED法可用于木素含量低于10%的手工纸测试。纤维溶解过程可先使纸张纤维经水浸润2h,从而缩短CED溶解时间。此外,为防止纤维素的降解,在测试过程中应排除空气,以提高测试结果的准确性。     

Magnetic Alteration of Soils by Late Holocene Hunter–Gatherer Groups (Tierra Del Fuego,South America)

The present work aims to analyse the magnetic signature from the Late Holocene open‐air archaeological deposits of hunter–gatherer ephemeral occupations. For this purpose, two profiles were sampled at the Marazzi 2 site in the north‐western Isla Grande de Tierra del Fuego, Chile, in order to carry out studies of magnetic susceptibility, hysteresis cycles, back‐field remanent magnetization, isothermal remanent magnetization and thermal variation of magnetic susceptibility at high and low temperature. Despite short‐term occupations, the P1 profile shows a magnetic peak at a depth of ~30–70 cm due to magnetite, probably formed by anthropogenic activity related to combustion. The P2 profile instead yields an anomalous peak of coercivity (at a depth of 20–40 cm), which could also be anthropogenic, due to the presence of finely dispersed ancient ‘red ochre’. The red ochre is proposed to form anthropogenic thermal alteration of goethite associated with volcanic ash, the remnants of which were found in thin sections from the P2 subsoil.     

清代贵州诗歌之“王气”论略

钱仲联先生的诗学研究取向,始终以儒家经学传统为参照,其评价清代贵州郑珍诗歌,以“王气在夜郎”一语概言,既包含了有清一代“诗学”中心西移的客观信息,透露了清代诗歌历史的盛衰状况,亦强调了诗人的“学问”功底及作为诗人的经世致用功夫。在清代诗学“汉宋之争”与“宗唐崇宋”风气合融的道路上,钱氏以为惟郑珍独具“王者气象”。其核心在于文学经学化最高“体用”追求的张扬与发挥。