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1.
Most studies of quality improvement deal with ordered categorical data from industrial experiments. Accounting for the ordering of such data plays an important role in effectively determining the optimal factor level of combination. This paper utilizes the correspondence analysis to develop a procedure to improve the ordered categorical response in a multifactor state system based on Taguchi's statistic. Users may find the proposed procedure in this paper to be attractive because we suggest a simple and also popular statistical tool for graphically identifying the really important factors and determining the levels to improve process quality. A case study for optimizing the polysilicon deposition process in a very large-scale integrated circuit is provided to demonstrate the effectiveness of the proposed procedure. 相似文献
2.
Although a consistent body of research has demonstrated that occupational segregation is highly consequential for women's economic standing, we know little about the processes that contribute to changes in levels of sex segregation. In this study, we examine those factors that contribute to changes in the percent of women in detailed occupational categories in the United States. Since we are most concerned with the economic consequences of this type of segregation, we analyze a group of high-paying, male-dominated occupations that, if better integrated, would contribute most to earnings equality. We find that occupations to which relatively high percentages of women aspired and occupations that are growing have been experiencing above-average increases in the percentage of women, while occupations characterized by male-stereotyped task profiles have been witnessing below-average increases. Additionally, our results suggest the presence of a ceiling effect: it is easier for women to break into male-dominated occupations initially than to sustain growth. Our analysis suggests that both supply and demand-side explanations provide insight into the processes contributing to increases in the occupations that we examine, although it can be very difficult to distinguish between supply and demand-side elements; indeed they may occur simultaneously. 相似文献
3.
本文从汉字字体演变的四个阶段说、假借的转声托事与转注、汉字发展的三个阶段说、汉字是指义标音文字说四个方面评述肖甫春的《汉字学论稿》,认为该书以转声托事为津粱,成功地解决了转注问题,把造字法与汉字历史发展统一在一起,得出对汉字性质新的认识,这是一种汉字学基础理论的创新与突破。 相似文献
4.
5.
关于汉语隐语的几个问题——兼论隐语与黑话的区别 总被引:5,自引:0,他引:5
国内汉语学界眼下通行的隐语定义存在着缺憾,同时在隐语同黑话的关系、隐语的确认以及隐语的类别等问题上也存在着严重的分歧。学界至今对隐语在语音形式、词义架构、词语的内部结构等等方面究竟具有什么样的一些特征等基本问题依然一无所知。而上述这些问题正是本文所要着手解决的。 相似文献
7.
ABSTRACTThe gap-mending concept is an analytical tool that helps teachers and researchers in social work to reflect upon what, in their practice, increases, maintains or mends gaps between professionals and service user groups. The article suggests a theoretical background on how gaps in social work practice can be challenged. This includes theories about power and recognition. It then moves on to describe the development of gap-mending strategies in research and education at the School of Social Work at Lund University. Lund University was one of three partners that took the initiative to the international network PowerUs that has focused on gap-mending strategies in social work education. The authors have been working over 10 years in collaboration with service user participation in the education of social workers and in different research projects. In the article, they give examples of gap-mending practices and of challenges that they have faced. The first example is an experimental course that has been given since 2005 where social work students study together with students from service user organizations in a university course. The second example is an attempt to combat homelessness in several Swedish municipalities. Supported by researchers, the development project has been a collaboration between homeless groups, politicians and social workers. 相似文献
8.
The kappa coefficient is a widely used measure for assessing agreement on a nominal scale. Weighted kappa is an extension of Cohen's kappa that is commonly used for measuring agreement on an ordinal scale. In this article, it is shown that weighted kappa can be computed as a function of unweighted kappas. The latter coefficients are kappa coefficients that correspond to smaller contingency tables that are obtained by merging categories. 相似文献
9.
中国房地产税制:存在问题与改革设想 总被引:1,自引:0,他引:1
在现代市场经济条件下,房地产税制具有十分重要的功能。现阶段中国房地产税制存在房地产税收功能分散,房地产税种设置交叉重叠现象突出,计税依据不符合国际惯例,房地产保有环节税负偏轻和房地产税权分布结构不合理等问题。中国房地产税制改革已进入基础性制度建设阶段,必须按照"宽税基、简税种、低税率"的原则,实现房地产开发流转环节税收为主向房地产保有环节税收为主的房地产税制转型,去土地财政化,这就要适时开征房产税。开征房产税可以分两步走,近期对居民新购商品房超免税标准部分征收房产税,中长期覆盖到居民已购存量房地产。 相似文献
10.
邓建 《中南工业大学学报(社会科学版)》2014,(1):171-175
宋代文学选本形态在继承前代选本形态的基础上,又有新的变化与拓新。在分门别类、以类相从方面,宋代文学选本对作品的分类依据更为多样,类目更为细密;在层级结构方面,宋代文学选本的层级结构方式更为灵活,既有对前代二元层级结构的翻转,又更多地采用一元层级结构;在区分等次方面,宋代文学选本对作品的区分既有等级分明、壁垒森严者,又有纯为逞才竞技而排列名次者。宋代文学选本这种既相对稳定,又创意出新、灵活多变的文本形态,对后世文学选本的编纂多有启发、示范之功。 相似文献