浅谈音乐教育中的教学美

在音乐课上对学生进行审美教育是对学生实施美育的重要途径。但长期以来,我国传统的音乐教育偏重"专业化",过于强调音乐知识传授的系统性,忽视了音乐教育的审美愉悦性。在音乐教育中,充分发挥其审美能力与文化素养的教学美、创新精神与实践能力的教学美、音乐教育联系生活实际的教学美、音乐教育与现代技术相结合的教学美、以情感教育为纽带的教学美,将会达到以美育人的目的。     

我国安全生产基本特征规律研究

从经济社会发展视角,分析安全生产基本特征规律,指出安全生产随产业结构呈现不均衡分布特点,劳动力结构制约安全生产,城市化进程增加安全生产不稳定因素.安全生产与GDP对比分析表明,党和国家采取的一系列重大措施有效抑制了经济快速增长给安全生产带来的负面作用,我国安全生产提前进入事故波动期.通过研究区域经济与安全生产关系,得出我国4大经济区域社会经济发展水平与安全生产之间存在规律性分布特征.该研究的成果为建立安全生产长效机制,实现我国经济社会与生产安全协调发展探讨新的途径.     

碧塔海自然保护区景观空间格局研究

在地理信息系统(GIS)与遥感(RS)技术的支持下,选择多种定量指数对滇西北高原典型湿地区———碧塔海自然保护区进行了空间格局分析研究。通过分析,揭示了研究区景观空间格局的结构和特征及受扰程度,为研究区的湿地资源利用与保护提供了科学依据和决策支持。     

2004年主汛期我国强对流天气灾害统计特征

运用全国各省、市、县气象部门直接上报国家气象局的气象灾害数据,对全国各地2004年主汛期(6-8月)对流性天气造成的灾害分布特征和人员死亡情况进行了统计分析,结果表明,主汛期内强对流天气在全国31个省市都有发生,其中黄淮、江淮、江南、西南地区东部为强对流天气灾害死亡人数多发区,且在主汛期内,以7月份强对流天气发生频次最高;在年度所有气象灾害中,除了暴雨洪涝灾害造成人员死亡最多外,雷击事件造成的死亡人数占气象灾害死亡人数的第二位;各大城市均遭遇到强对流天气袭击,造成了严重的交通瘫痪,城市应急响应系统建设亟待加强。     

Methodological approach of coastal areas concerning typology and spatial indicators, in the context of integrated management and environmental assessment

The general objective of this paper is to trigger off the development of a more comprehensive approach to Hellenic coastal areas (in the perspective of territorial cohesion), at local level and especially along the non-urban areas close to the sea. Methodological issues linked to the building of an appropriate coastal database constitute the key goal of this paper (the space and time scale, the relationship to the already proposed set of indicators, the impact of driving forces and policies, the possible sources of data and their feasibility etc.). Furthermore, specific emphasis should be given to the choice of new indicators, particularly for the coastal abiotic environment and the land cover/uses along coastal areas, especially near the seafront. Those indicators should be able to aid the formation (in the near future) of an algorithm linked to the total man-made activities in coastal areas. In conclusion, this paper will be considered successful if the just above illustrated objectives could enrich the argument about the typology of coastal areas and the development of a spatial (coastal) observatory. Actually, this paper is part of a broader research of the author regarding the monitoring of coastal spatial changes in different scales (AMICA, “Appraisal of man-made interventions along the Hellenic coastal areas”). This research aims to broaden the coastal knowledge (not only by means of coastal data) on behalf of all stakeholders been implicated into sustainable spatial planning, integrated coastal management and the strategic environmental assessment along coastal areas.

武汉市土地集约利用时空分异及障碍因素诊断

运用主成分分析法、GIS方法分析武汉市1996~2010年土地集约利用的时空特征并对其进行障碍因素诊断。研究结果表明:1996~2010年武汉市的土地集约利用程度稳步上升。武汉市土地集约利用经济效益、社会效益和土地结构表现为汉口—武昌—汉阳—郊区圈层式递减分布特征,生态效益总体上表现为北高南低的特征,土地集约利用的投入水平呈现以江汉区为核心的圈层式递减分布特征,土地集约利用可持续指标表现为江北片-江南片梯度递减的空间分布特征。通过障碍因素诊断得出具体影响各区域土地集约利用程度提高的因素。     

巢湖湖滨带植被特征及其退化原因分析研究

于2009年和2010年对巢湖湖滨带植被进行了详细踏查,结果表明:(1)植被群落结构单一,多样性较差,大都集中分布于浅水、河口、滩地,受水质和水位影响显著;(2)挺水植物有5科6属6种,以芦苇(Phrag-mites australis)为优势种;(3)浮叶植物3科3属3种;以野菱(Trapa incisa)和荇菜(Nymphoides peltatum)为优势种;(4)漂浮植物2科2属2种;主要是凤眼莲(Eichhornia crassipes)和浮萍(Lemna minor);(5)沉水植物4科5属8种;以马来眼子菜(Potamogeton malaianus)为优势种;(6)湿生和陆生植物27科76属101种;以禾本科为主,菊科、蓼科植物次之。调查结果与历史资料(1954年-2007年)对比,得出巢湖流域土地利用格局、江湖建闸等水利工程、围湖造田与堤坝建设等人为活动以及富营养化与蓝藻水华等综合因素严重破坏了巢湖湖滨带健康的生态系统,加剧了湖滨带植被的衰退。本研究可为巢湖湖滨带植被的恢复提供理论指导。     

Occurrence, profiles, and ecotoxicity of poly- and perfluoroalkyl substances and their alternatives in global apex predators: A critical review

Certain poly- and perfluoroalkyl substances (PFASs) exhibit significant bioaccumulation/biomagnification behaviors in ecosystems. PFASs, such as perfluorooctane sulfonate (PFOS), perfluorooctanoic acid (PFOA), perfluorohexanesulfonic acid (PFHxS) and related precursors, have elicited attention from both public and national regulatory agencies, which has resulted in worldwide restrictions on their production and use. Apex predators occupy the top trophic positions in ecosystems and are most affected by the biomagnification behavior of PFASs. Meanwhile, the long lifespans of apex predators also lead to the high body burden of PFASs. The high body burden of PFASs might be linked to adverse health effects and even pose a potential threat to their reproduction. As seen in previous reviews of PFASs, knowledge is lacking between the current stage of the PFAS body burden and related effects in apex predators. This review summarized PFAS occurrence in global apex predators, including information on the geographic distribution, levels, profiles, and tissue distribution, and discussed the trophic transfer and ecotoxicity of PFASs. In the case where legacy PFASs were restricted under international convention, the occurrence of novel PFASs, such as 6:2 chlorinated polyfluorinated ether sulfonate (6:2 Cl-PFESA) and perfluoroethylcyclohexane sulfonate (PFECHS), in apex predators arose as an emerging issue. Future studies should develop an effective analytical method and focus on the toxicity and trophic transfer behavior of novel PFASs.     

基于视频数据的城市隧道交通运行特征与安全研究

为降低城市隧道交通事故率,提高车辆出行安全,以上海市翔殷路跨江隧道为研究对象,利用视频采集技术、车辆跟踪调查采集隧道交通运行数据,分析城市隧道交通运行特征及驾驶员在隧道内驾驶行为特征,并进一步研究其与隧道交通事故的关系。对隧道内车辆的速度、密度分布,变道行为进行分析,发现隧道南线入口处内外断面平均车速的显著差异可以解释该处追尾事故高发,隧道内车辆频繁变换车道导致隧道侧碰事故占较大比例。为改善城市隧道交通安全,在隧道内进行限速和限制车辆变道是必要的。     

鹰潭市酸雨污染现状、趋势与成因分析

采用2001-2010年降水监测数据,全面系统地研究分析鹰潭市酸雨污染现状、变化规律,并从环境空气质量、区域污染物输送、气象因素和土壤性质等方面探讨酸雨形成的主要原因,得出区域输送是鹰潭市酸雨污染的主要因素。