载流子影响下铁磁膜中静磁弧子的存在性分析

This article studies the characteristics of magnetostatic surface waves (MSSW) in a ferromagnetic film attached to a semiconductor cladding with carriers and shows the existence of magnetostatic solitons in the film. The results indicate that under the influence of drifting carriers, and within some frequency ranges, MSSW can develop into magnetostatic solitons, with the group velocity and phase velocity opposite under some conditions, and the velocity magnitude is related to the carrier density.     

大型体育赛事对城市旅游空间结构影响及其优化研究——以日照打造“水上运动之都”为例

摘要：体育旅游空间结构是体育旅游活动在区域投影及空间表现形式,既揭示了体育旅游的空间布局,也反映了体育旅游的发展规模与发展程度。主要采用文献资料法、归纳演绎法,对日照市“水上运动之都”的空间发展脉络进行梳理,分析大型体育赛事对日照体育旅游空间结构影响机理。研究表明：日照市打造“水上运动之都”城市名片,对城市体育旅游空间节点、旅游基础设施、旅游流、旅游空间布局和旅游空间影响力等旅游空间结构要素产生影响,促进了城市旅游空间布局和优化。分析日照市体育旅游空间结构发展停滞的致因,认为采取培育特色水上运动旅游空间、完善赛事旅游空间活动体系、扩大赛事旅游空间影响力、拓展水上运动文化空间、建立智慧体育旅游空间等措施,可为优化水上运动体育旅游空间布局,促进日照市旅游可持续发展提供重要借鉴意义。     

HOMEless: a case study of private/public inversion and the temporal–spatial exclusion faced by migrant domestic workers

Abstract

This paper is a case study of the shutdown of HOME (the House for Migrant Workers' Empowerment), a cultural and service center for migrant workers. HOME was founded by the Taipei City Labor Bureau (TCLB) and subcontracted to TIWA (the Taiwan International Workers' Association) in 2002, when the Director of the TCLB was the former labor activist Zheng Cun‐qi. For migrant domestic workers, the distinction between sold‐time and free‐time (i.e. the work–rest distinction) is blurred. Most of their supposedly private reproductive activities are temporally squeezed into holidays and spatially forced into public places where they are exposed to the scrutiny of the Taiwanese. This peculiar situation of private/public inversion not only results from, but also serves to reinforce, racial discrimination and class inferiority in their workplace (i.e. the homes of their employers). I use the concept of ‘bracketing’ to describe the spatial‐temporal strategies used by migrant domestic workers against this distorted inversion. I also analyze how employers ‘counter‐bracket’ migrant worker subjects as a counter strategy. HOME once existed as a ‘surrogate home’, providing shelter for migrant workers and allowing them to retain privacy during their days off. TIWA conducted organizing‐oriented cultural and political activities to assist the migrants in forming their own community, and challenged the spatial hegemony of real estate owners in the ChungShan District. However, when Yan Shang‐luan, a well‐known feminist labor research professor, took over the directorship of the TCLB in 2004 Taipei City Labor Bureau. 2004. “‘Minutes of the meeting for the analysis, review, and evaluation of administrative efficiency at the House for Migrant Workers' Empowerment’ ‘’”. 26 August [Google Scholar], she did not appreciate the function of HOME, and decided to close its doors. In analyzing the official rhetoric in the documents of the TCLB, I find that their decision to shut down HOME was a result of their middle‐class temporal‐spatial ‘habitus’. The shutdown became a counter‐bracket measure, which coincided with the real estate interests of the ChungShan local elites.     

南海中尺度涡旋的统计特征

利用1992年10月至2012年4月共19.5年的中尺度涡集研究南海中尺度涡的统计特征.南海中尺度涡呈东北-西南向分布,其中大多数涡旋向西移动并伴有经向偏移.受南海环流形式的影响,东向移动涡旋多发生于吕宋岛西南部和越南东部海域.涡旋发生的季节变化显示在台湾和吕宋岛西南部.气旋(反气旋)式涡多发于春(冬)季,在吕宋岛西北部和越南东南部,气旋式涡多发生于冬季,反气旋式涡分别多发于秋季和夏季.进一步的相关性分析表明,地转涡度与涡旋形成具有较强相关性,风应力能量输入对涡旋的影响有限.     

高分辨率遥感影像在城市LUCC中的应用

高分辨率遥感影像具有高空间分辨率、高清晰度、信息量丰富等优点,它的出现极大提高了遥感在城市土地利用/覆被变化研究中的应用能力.城市土地利用类型的准确分类是城市土地利用/覆被变化研究的重要前提,高分辨遥感影像凭借其自身优势成为最重要的数据源.本研究从高分辨率遥感影像的发展与特点、分类方法及其在城市专题信息提取中的应用3个方面进行综述,重点回顾高分辨率遥感影像用于城市土地利用分类的代表性方法及其在城市系统中提取建筑物、道路和绿地等专题信息的方法和应用进展,最后指出高分辨遥感影像在城市土地利用/覆被变化研究中的不足以及未来需要解决的问题.     

浙江降水量场时空分布变化的特征

应用EOF方法对浙江省38个气象观测站43年（1961．1～2003．12）的月、季降水量距平场的时空分布变化进行统计分析,结果表明：浙江省降水量场的空间分布主要有南北分布型和东西分布型,春、冬季节以南北分布为主,夏、秋季节以东西分布为主。冬季降水场的空间分布尺度比夏季大;夏季降水场空间分布的年际变化比冬季大。秋季降水场空间分布变化的显著周期为9～14年,冬季降水场空间分布变化的显著周期为3．5～4．7年,而春季和夏季降水场空间分布则无显著周期存在。     

公共图书馆空间可达性和服务区域测定方法研究

[目的/意义] 距离是影响用户到访公共图书馆的重要因素。公共图书馆可达性是衡量一个城市公共图书馆布局合理性和科学性、全覆盖和均等化的考量。[方法/过程] 以可达性理论为基础，探讨对公共图书馆服务区域测定的不同方法，辨析空间可达性概念与指标。利用ArcGIS，以苏州工业园区为实例，对公共图书馆总分馆网络空间可达性和服务区域进行实测，测评直线距离和实际路径距离、泰森多边形框定服务区域和公共服务保障圈。[结果/结论] 测评结果为城市空间中公共图书馆总分馆网络精细化布局提供策略参考。公共图书馆总分馆网络空间布局综合运用容积方法和覆盖方法，提出在地理空间中的人口因素，并结合不同地区的地理敏感度，不断优化公共图书馆网络布局。     

英语空间隐喻的认知研究

认知语言学认为隐喻是人类基本的认知活动,而空间隐喻在人类的认知活动中起着重要的作用,许多抽象概念都必须通过空间来构建。对空间隐喻语义特征的探索有利于进一步深化对空间隐喻的系统研究。     

我国男子定向运动员空间能力特征分析

采用心理测量的方法,并运用认知心理学关于空间表象的知识原理来探讨我国不同水平男子定向运动员在空间能力上所表现出来的特征。结果显示:高水平的男子运动员在空间能力上表现出较大的优势,但空间能力的不同部分对定向运动水平的影响程度各不相同。     

Spatial Abilities Training in Anatomy Education: A Systematic Review

Spatial abilities have been correlated to anatomy knowledge assessment and spatial training has been found to improve spatial abilities in previous systematic reviews. The objective of this systematic review was to evaluate spatial abilities training in anatomy education. A literature search was done from inception to 3 August 2017 in Scopus^® and several databases on the EBSCOhost platform. Citations were reviewed and those involving anatomy education, an intervention, and a spatial abilities test were retained and the corresponding full-text articles were reviewed for inclusion. Before and after training studies, as well as comparative training programs, relating a spatial training intervention to spatial abilities were eligible. Of the 2,405 citations obtained, 52 articles were identified and reviewed, yielding eight eligible articles. Instruction in anatomy and mental rotations training were found to improve spatial abilities. For the seven studies retained for the meta-analysis that included the effect of interventions on spatial abilities test scores, the pooled treatment effect difference was 0.49 (95% CI [0.17; 0.82]; n = 11) improvement. For the two studies that included the practice effect on spatial abilities test scores in a control group, the pooled treatment effect difference was 0.47 (95% CI [−0.03; 0.97]; n = 2) improvement. In these two studies, the impact of the intervention on spatial abilities test scores was found despite the practice effect. Evidence was found for improvement of spatial abilities in anatomy education using instruction in anatomy and mental rotations training.