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Relying on data from a nationally representative sample of youth involved in the child welfare system (CWS) in 1999–2000 (the National Survey of Child and Adolescent Well-Being, Cohort 1) and 2008–2009 (Cohort 2), this study implemented a diverse set of disparity indicators to estimate area-socioeconomic disparities in mental health (MH) services use and changes in area-socioeconomic disparities between the two cohorts. Our study found that there are area-socioeconomic disparities in MH service use, indicating that the rates of MH service use among youth referred to the CWS differ by area-socioeconomic positions defined by county-level poverty rates. We also found that area-socioeconomic disparities increased over time. However, the magnitude of the increase varied widely across disparity measures, suggesting that there are different conclusions about the trend and magnitude of area-socioeconomic disparities, depending upon which disparity measures are implemented. A greater understanding of the methodological differences among disparity measures is warranted, which will in turn impact how interventions are designed to reduce socioeconomic disparities among children in the CWS. 相似文献
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安阳县西南部地区由于高山丘陵的阻隔,当地方言在语音、语法、词汇等方面独具特色,与河南其他方言以及普通话都有所不同。调查发现此方言点存在着许多特殊的程度副词,如＂嗐/xai^33/、专/tsua^33/、可/k‘e^33/（碟）、瞎/ie^33/、将/tiaη^214/、□/saη^33/、大/t ^214/、端/tue^33/＂等。主要从语义差别、语法特点以及语用功能等方面来探讨这些特殊的程度副词。 相似文献
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曲景太 《鞍山师范学院学报》2006,8(3):4-7
随着人类进入信息化社会,特别是计算机网络的高速发展,概念营销已成为企业制胜的一种捷径。本文阐述了概念营销这一新的营销方式及其特点,分析了近年来企业概念营销实践中存在的种种弊端,如急功近利的错误思想和虚假概念泛滥,急于求成、忽视概念的培育,缺乏对市场生态的整体认识,概念营销上的务虚等脱离实际的做法,提出了企业成功实施概念营销必须树立科学的消费概念,生产理想的概念产品,注重概念的市场培育,独树一帜,实施差异化竞争战略,不断创新概念、保持竞争优势的观点。 相似文献
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刘占文 《辽宁科技学院学报》2009,11(1):58-59
我国教育发展中存在多种错位现象,已经影响到教育事业的健康发展。分析这些错位现象,从中找到问题根源,并制定应对策略,促进回归本位,具有重要意义。文章分析了七种错位现象,并提出一定的对策和设想。 相似文献
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INTRODUCTION A common method for extracting depth in-formation from intensity images is based on theprinciples of stereovision. In this method, a pair ofimages is obtained using two cameras displacedfrom each other by a known distance. After deter-mining the stereo correspondence, the distance ofvarious points is computed using triangulation(Jeon et al., 2001). Stereo correspondence is theproblem of finding corresponding points in two ormore images of the same scene, usually assumin… 相似文献
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异议言语行为研究在语用学中一向是不太受关注的领域。影响异议言语习得的因素很多,师生权位关系差异是其中很重要的因素之一。中国留学生在与自己权位平等的人交流时,很善使用异议言语;与比自己权位高的人交流时,中国学生不善使用异议言语。在课堂学习中,中国学生极少使用异议言语。英语教师在教学中应鼓励学生有效地使用异议言语策略。 相似文献
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通过对世界男排联赛、 2 0 0 0年奥运会男排预选赛、亚洲男排锦标赛等世界大赛的分析研究 ,比较得出中国男排与民办一流强队之间有较大差距。主要表现在基本技战术方面无法与欧美强队相抗衡 ,且没有形成自身特长与风格。因此 ,提高基本技术 ,在力量和速度上缩小与世界水平的差距 ;提高基本战术 ,在战术打法上发挥快活多变的亚洲风格。全面提高、攻守兼备 ,形成自身特长 ,就成为缩小我国男排与世界一流水平差距的重要手段 相似文献
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运用资料收集法和分析法,分析了中国女篮在第28届奥运会上与欧亚球队技战术对比,结果发现中国女篮与欧洲球队主要差距在投篮命中率、篮板球、助攻和抢断四项上,而战胜亚洲球队也主要靠上述四项。提出中国女篮未来劲敌在欧洲,而要在2008年北京奥运会上有所突破必须科学地进行大运动量训练,提高实战加强对抗,改变训练理念和提高阵容高度,以及后卫人材上要加强培养问题。 相似文献
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Unique correct correspondence cannot be obtained only by use of gray correlation technique,which describes gray similar degree of feature points between the left and right images too unilaterally.The gray correlation technique is adopted to extract gray correlation peaks as a coarse matching set called multi-peak set.The disparity gradient limited constraint is utilized to optimize the multi-peak set.Unique match will be obtained by calculating the correlation of hybrid matrices consisting of reference differences and disparities from the multi-peak set.Two of the known corresponding points in the left and right images,respectively,are set as a pair of reference points to determine search direction and search scope at first.After the unique correspondence is obtained by calculating the correlation of the hybrid matrices from the multi-peak set,the obtained match is regarded as a new reference point till all feature points in the left(or right)image have been processed.Experimental results proved that the proposed algorithm was feasible and accurate. 相似文献