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回望百年,恢宏史诗,壮丽篇章。善以史为鉴,可知兴替;看清过去,自信自强。历史决议,经验总结,决不忘苦难辉煌。主心骨,崎岖奋斗路,荡气回肠历史长河不息,新时代考卷更周详。咱千秋伟业,风华正茂;环球一同,人心所向。咬定青山,勇毅前行,新百年只争朝阳。定盘星,任乱云飞渡,指引方向。 相似文献
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“千山鸟飞绝,万径人踪灭。孤舟蓑笠翁,独钓寒江雪。”这是福州市公安局鼓楼交巡警大队案调中队中队长蓝国祚办公室的一幅宇。蓝国祚说,这是自己写的,“写得不好,练笔。”他笑笑。字的旁边,是一幅国画——《荷花》,也是蓝队长的作品。 相似文献
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<正>一年之计在于春。春季是万物勃发的季节,在这个象征着新开始的季节里,应该吃什么食物才养生呢?关于春天的饮食,民间有很多流传,俗称"咬春"。春季第一菜:春笋说到吃春,不得不提的就是春笋。春笋脆嫩鲜美,可嚼出清香和甘醇来,被誉为"素食第一品",自古以来备受人们喜爱,文人墨客和美食家对它赞叹不已,有"尝鲜无不道春笋"之说。如果说肉食者鄙,食笋则正好相反。笋的味道就是如此清雅隽永。苏东坡曾道:"无竹则俗,无肉则瘦,若想不俗也不瘦,天天笋煮肉。"中医认为,春笋有"利九窍、通血脉、化痰涎、消食胀"的功效。春笋笋体肥厚,美味爽口,营养丰 相似文献
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基于路段相关的路网行程时间可靠性 总被引:5,自引:1,他引:5
受自然、人为灾害等偶发事件以及日常的交通供需矛盾的影响 ,道路网运行效率下降 ,行程时间波动且不确定。为此 ,笔者分析了能够表征路网应对行程时间变化和承受波动的能力的指标———行程时间可靠性及其定义、特性、表达。针对路段之间的相互影响模式所适应条件的不同 ,按场景将其关系分成不相互影响、同步影响以及弱影响 3种模式。利用MonteCarlo法进行模拟 ,得出不考虑路段相关性 ,会高估路网的可靠性 ,减少路段间相互影响 ,有利于降低破坏事件对路网的影响程度和范围。考虑路段相关的行程时间可靠性应用于实际路网路径选择 ,可以增加选择的合理性和准确性 ,实现安全、可靠、高效运营。 相似文献
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笔者从道路交通事故和景观方面 ,研究道路中央隔离设施的功能与特征。首先 ,利用对某城市道路中央有无隔离带情况下记录的交通事故数据 ,进行交通安全统计比较分析 ;其次 ,分别利用层次分析法和语言分级评价法 ,对城市道路中央双黄线、中央护栏隔离和中央绿化隔离 3种情况的景观进行分析 ;最后 ,通过综合分析给出分析结果 ,即中央绿化隔离、中央栅栏隔离带和双黄线隔离的评价顺序。 相似文献
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基于道路景观对生态环境的5方面影响,即对生物及生境的影响、对环境的物理影响、对环境的次生影响、对大尺度景观的影响及综合影响,提出保障道路景观生态安全的策略,主要应从道路及其网络规划设计和建设、交通政策、法规的制定与执行、生态工程措施、道路的使用与管理等几个方面加以考虑。笔者认为,要减少和缓解道路对生态环境的影响,环境影响评价是基础、生态道路及其网络建设措施和有效使用管理是手段、制定相关法律法规是依据;同时指出,我国未来应以高速公路的开发建设为契机,在实践中应用并促进道路景观生态安全的研究,带动中国道路建设事业的和谐发展。 相似文献
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Emmanuel Fort Laure Pourcel Philippe Davezies Camille Renaux Mireille Chiron Barbara Charbotel 《Safety Science》2010,48(10):1412-1420
Road accidents sustained at work represent between 20% and 40% of work fatalities in most industrialised countries, yet few data on occupational road accident risk factors have been published. A case control study was performed to assess the role of work-related risk factors in the occurrence of occupational road accidents. A preliminary qualitative study was carried out to identify possible occupational factors in occupational road accidents, and to draw up the case control study. Cases were recruited from the Rhône road trauma registry (France), controls from voting lists. A telephone interview was performed. Exposure to road risk was measured as a percentage of work time. One hundred and forty-six cases and 440 matched controls were interviewed. Accident risk was found to increase with exposure. Driving was associated with more difficult working conditions than found in jobs not involving driving. These difficulties, however, were not systematically associated with increased occupational road accident risk. Among factors which still emerge after adjustment for road risk exposure, there are scheduling issues (inflexible schedule organisation, lack of consecutive rest-days, lack of flexibility in performing the work), difficulties of communication with superiors, low seniority in the activity, low educational level and physical constraints at work. This study highlights some possible occupational road accident risk factors. Given the chosen case/control methodology, the findings may be considered as advancing our knowledge of the subject, but need confirmation by further studies. 相似文献
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从市政养护的满意度、驾驶员行为调查以及城市交通标志识别等方面展开调查,发现私家车、公交车和出租车对道路养护作业的满意度存在显著差异,3类车型的驾驶员在安全驾驶行为上也存在明显差异。私家车驾驶员的驾驶失误行为明显高于出租车和公交车驾驶员。违规越多的驾驶员,其驾驶攻击性行为越强。同时道路养护中的常见标志对不同类型的驾驶员产生不同的信息量。私家车驾驶员对于交通标志的理解程度明显高于出租车和公交车驾驶员。 相似文献
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道路交通安全研究方法 总被引:42,自引:4,他引:38
刘志强 《中国安全科学学报》2000,10(6):14-19
介绍了交通安全的研究方法和预测模型 ,并对统计分析、模糊数学分析及灰色理论方法进行了比较。在此基础上 ,介绍了适应我国目前交通安全研究现状的交通事故灰色预测研究方法 ,对交通事故发展趋势进行了预测。论文给出了相应的灰色预测模型及预测方法 ,预测结果与实际情况较吻合 相似文献
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INTRODUCTION: This paper analyzes the effect on road safety of 95 roundabouts that were built in Flanders between 1994 and 1999. RESULTS: The study shows that the effect on the number and severity of road accidents adjusted for the trend and regression to the mean is significant, but varies considerably in accordance with the speed limit regime on the intersection. Roundabouts are most effective on intersections of a main road with a high speed limit (90 km/h) and an adjacent road with a lower speed limit (50 or 70 km/h). The empirical analysis reveals a reduction of 34% (varying between 15% and 59%) for the total number of injury accidents, 30% (7%-45%) for light injury accidents, and 38% (27%-72%) for serious injury accidents. This study also takes a closer look at the impact of different post-implementation periods using accident data of 1-, 3-, or 6-years after the construction of a roundabout on the calculated effectiveness results and warns for a severe underestimation when a one-year period is used. IMPACT ON INDUSTRY: An effective traffic safety policy based on scientific results thus requires some patience from the policy-makers. 相似文献