“I’m an imaginary figure”: Unravelling the mobility and marginalisation of Scottish Gypsy Travellers

Gypsy Travellers have a long history of marginalisation in Scotland, but their mobility remains an issue of particular contention. Drawing upon a series of interviews with Gypsy Travellers in the North-East of Scotland, this paper uncovers how power and politics permeate discourses on movement to legitimise the spatial ordering of this traditionally nomadic group. The paper begins by exploring the more hidden and subtle aspects of mobility, such as the emotional and imaginative ties to travel. It then shifts to document how Gypsy Travellers’ geographies have been compromised by discriminatory policies and practices, which demonstrate a misunderstanding of the heterogeneity of their mobility. Consequently, increasingly punitive policies have pushed many Gypsy Travellers to abandon their travelling ways to move into “fixed” housing, while others have been forced into states of perpetual motion. The overall goal of the paper is to unravel the discursive constructions of movement in the context of institutionalised power and to document the spatial ordering of Gypsy Travellers’ lives, whose marginality has been legitimised by laws, ideologically sustained and reproduced in policy documents.     

海洋教育：教育思想与实践的嬗变

当今世界,国与国之间海洋实力的竞争,已经从最初对海洋资源的竞争变成海洋人才竞争,而海洋教育则是海洋人才的摇篮,逐渐成为教育体系中不容忽视的重要实践。从少数人海洋教育意识的觉醒,再到如今面向普罗大众的社会海洋教育,由海洋教育衍生的知行、创新、问题思维教育模式,成为推动教育思想与教育实践嬗变的活力因素。文章梳理海洋教育思想及教育实践发展的特点,围绕发展过程中存在的优势与不足,提出海洋教育发展的新路径,使海洋教育更好地服务建设“海洋强国”等国家战略。     

Mediating good food and moments of possibility with Jamie Oliver: Problematising celebrity chefs as talking labels

This paper explores the powerful and mediating role of celebrity chefs over audience relationships with food through analysis of Jamie Oliver and his recent series Save with Jamie. The paper firstly situates the role of celebrity chefs theoretically, defining them as ‘talking labels’ who may act both as knowledge intermediaries and boundary objects to connect audiences with food in multiple ways. Here chefs actively construct and mediate discourses around ‘good food’. As trusted, credible, well-liked public figures, chefs step into out private home spaces through our televisions to convey food information in a charismatic, entertaining and accessible way. Like traditional food labels, chef’s words can be ‘sticky’ and take hold in public imaginations in a way that goes far beyond the capacity of food products labels. Yet the relationship between chefs and audiences is far from straightforward and so the paper secondly aims to explore how these talking labels are understood and ‘used’ by audiences in their everyday food practices. Drawing selectively from a large scale audience survey (n = 600) as well as the series, Save with Jamie, this paper reveals the different ways that audiences ‘talk back’ to chefs both positively and negatively to create moments of simultaneous possibility and resistance for audience relations with food. This revealed complex relationships between audiences, chefs and food. It also suggests that the powerful work on celebrity chefs functions as part of a new mediated mechanism within today’s food governance.     

铷原子频标中微波功率频移的研究及其控制方法

针对铷原子频标中微波功率频移的传统解释与实验现象不相符合的矛盾，曾提出以ＡＣＺｅｅｍａｎ效应为核心的新解释．本文以实验检验了该解释，尤其是ＡＣＺｅｅｍａｎ效应频移公式的正确性，实验结果与理论相符合；最后探讨了控制微波功率频移的方法。     

From matters of fact to places of concern? Energy,environmental movements and place-making in Chile and Thailand

As demand for energy is growing and resources become scarcer, energy increasingly becomes the site of heated controversies. In Latour’s terms, energy turns from a “matter of fact” into a “matter of concern”. In these energy controversies, environmental movements frequently play a central role, highlighting what is at stake in these developments. While these movements have often been studied, these studies rarely focus on the interaction between controversies, environmental movements, and place-making. In this article, we not only argue that energy is frequently turned from matter of fact into a matter of concern, but that this argument also extends to the notion of place. As such, energy controversies turn villages, cities, or regions themselves into “places of concern”. The article delves deeper into the production of places of concern through two case studies of energy controversies around power plants: a proposed coal plant in Bo Nok, Thailand, and HidroAysen, a hydropower project in Chilean Patagonia. We specifically focus on the issues that were opened up for debate in both countries, and on the role of environmental movements in the production of these places. Our examples are based on fieldwork and interviews in these two areas, as well as media and document analysis. While the two cases are from two different countries, we nonetheless find surprising parallels between them. These insights are instrumental to link theoretical debates on controversies and place-making. Moreover, they provide empirical insights into the transformative and lasting effects of energy controversies on people and places.     

Domestic actions contributing to the mitigation of GHG emissions from power generation in Brazil

Abstract

Continued growth and the privatisation of Brazil's electricity system, which is largely based upon hydropower, is projected to lead to big expansion mainly of natural gas but also coal power stations with a resulting huge growth in greenhouse gases (GHG) emissions unless steps are taken to avoid this. The Brazilian National Program of Power Conservation and Efficient Use of Electrical Energy in terms of avoided GHG emissions (PROCEL), originally created in 1985, is a multi-stakeholder program coordinated by Eletrobrás aimed to reduce the waste of electrical power on both supply and demand side. Initially crippled by lack of funds, a new finance structure introduced in 1994 has greatly increased PROCEL's impact. Here we develop scenarios that suggest that continued expansion of PROCEL's programme, including resources that might be drawn through clean development mechanism (CDM) projects, to meet projected PROCEL targets over the next two decades could avoid approximately one-third of the GHG emissions from the Brazilian power sector. This contribution demonstrates the significant global environmental benefits of PROCEL in addition to national benefits of this innovative programme.     

RAPID ESTIMATION OF THE NUMBER OF COELUTING COMPONENTS IN LIQUID CHROMATOGRAPHY BY FACTOR ANALYSIS

Evaluation of the results of factor analysis of sets of spectroscopically detected chromatograms is carriedout by examining the shapes of the abstract factors.This is done either by visual inspection or by analysisof the power density spectra produced from them.Owing to constraints imposed by the column functionand the spectroscopic instrument function,the information content of the chromatograms necessarilyoccurs at low spatial frequencies.As a consequence,it appears as relatively broad features in the abstractchromatograms and as a peak in the low-frequency region of the corresponding power density plot.Onthe basis of examination of the power density distribution,a well-defined distinction is made betweenprimary and secondary abstract factors.The major uncertainty encountered in determining the numberof chemical components appears to arise from effects of contaminants in reagents.     

铁路调度信息机房与轨道测速系统防雷设计方案

山西省大同市大秦铁路湖东车站信息调度机房由于没有按照防雷规范的要求安装外部防雷装置和内部防雷装置,因此每年雷雨季节都要不同程度地遭受雷击损失,本文主要是从直击雷防护、电源系统感应雷防护、轨道测速系统等电位接地等方面按照现代综合防雷的要求提出设计方案。     

结合毫米波雷达提取降水条件下风廓线雷达大气垂直速度的研究

风廓线雷达主要是利用大气湍流对电磁波的散射作用,在晴空条件下对大气风场等进行探测。在降水天气下,风廓线雷达能同时接收到大气湍流回波和雨滴的散射回波信号,其探测到的回波功率谱中降水信号谱和大气湍流信号谱叠加在一起,使得大气的运动被雨滴的运动信息所掩盖,给后续的大气风场反演带来误差。而毫米波云雷达在降水天气下仅能探测到云雨粒子的回波而无法探测到大气湍流回波,基于这一差异结合毫米波云雷达资料对风廓线雷达功率谱数据进行订正,剔除其中的降水回波信息,进而获取正确的大气运动垂直速度。通过一次典型弱降水天气过程的雷达资料对该方法进行了可行性验证,并将计算得出的大气垂直速度与传统双峰法提取的大气运动垂直速度及原始风廓线雷达垂直速度进行了对比分析,显示在弱降水天气下该方法能有效消除降水对风廓线雷达垂直速度测量的影响,提高弱降水天气下测速准确率,并且在湍流谱极其微弱的情况下该方法也能准确地获取到大气运动垂直速度信息。但是云雷达回波在降水时会有衰减,虽然是弱降水也会导致在高层距离库上的订正效果变差,故目前只适用于弱降水时低距库处的降水订正。      

Power Law Distribution of Broadband Radiated Energy for Global Seismicity

The claim that there exists a transition of earthquake energy distribution between small and large earthquakes is checked using broadband radiated energy of earthquakes for global seismicity. Scattering of the relation between the magnitude and the broadband radiated energy makes it necessary to use the energy data directly. Rank-ordering statistics is applied to enhance the resolution in retrieving the power law distribution with undersampled data, namely, a few tens of events. Seen in the perspective of broadband radiated energy with higher resolution, there is no evidence for the kink in the frequency-energy distribution for large and small earthquakes. Instead, a single power law can well explain the data. For earthquakes with energy larger than 10~(14) J, we find that the number N of events with energy E depends on E via N ∝ E-B, with the scaling constant B = 0.64 ± 0.04, corresponding to b = 0.95± 0.06.