نتایج جستجو برای: segregation
تعداد نتایج: 27520 فیلتر نتایج به سال:
Decomposition analysis is a critical tool for understanding the social and spatial dimensions of inequality, segregation, and diversity. In this paper, I propose a new measure – the Divergence Index – to address the need for a decomposable measure of segregation. Although the Information Theory Index has been used to decompose segregation within and between communities, I argue that it measures...
This paper proposes a new method for analyzing the segregation between point distributions. Though there have been proposed numerous methods and measures in segregation analysis, they have at least three deficiencies: 1) statistical significance of segregation is not evaluated, 2) aspatial properties of points are not considered, and 3) the relationship between different dimensions of segregati...
In this article, we report strong boron segregation to polycrystalline Si12x2yGexCy from polysilicon during thermal anneals in the temperature range of 800–900 °C. This effect is larger than previous reports of segregation to single-crystal Si12xGex and increases with carbon concentration. Segregation also occurs in polycrystalline Si12yCy , revealing that carbon by itself can drive the segrega...
This paper presents a Schelling-type checkerboard model of residential segregation formulated as a spatial game. It shows that although every agent prefers to live in a mixed-race neighborhood, complete segregation is observed almost all of the time. A concept of tipping is rigorously defined, which is crucial for understanding the dynamics of segregation. Complete segregation emerges and persi...
There are two sources of quantitative data on grain boundary segregation: careful experimental results and calculated data. These values can be compared in various ways. Here we show a comparison average concentrations silicon, vanadium, tin at the boundaries bcc iron determined three ways: (i) basis calculations segregation energy for individual sites; (ii) experimentally; (iii) using phenomen...
Here we show that the PIASy protein is specifically required for mitotic modification of Topoisomerase-II by SUMO-2 conjugation in Xenopus egg extracts. PIASy was unique among the PIAS family members in its capacity to bind mitotic chromosomes and recruit Ubc9 onto chromatin. These properties were essential, since PIASy mutants that did not bind chromatin or failed to recruit Ubc9 were function...
today gender segregation in the workplace is increasingly sensitive. thus analysis of the reasons behind such phenomenon is of fundamental importance. the aim of this study is to investigate the occupational gender segregation among of ahwaz public libraries foundation employees with emphasis on the role of work values . the method of this research is survey and data were collected by questionn...
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