background: although the association between major depressive disorder (mdd) and low self-esteem is well established, we do not know if race and ethnicity modify the magnitude of this link. objectives: using a nationally representative sample of adults in the united states, we explored whether or not race alters the association between mdd and self-esteem. materials and methods: data came from ...

Background and aims: As suggests by the Minorities’ Diminished Returns (MDR) theory, educationattainment and other socioeconomic status (SES) indicators have a smaller impact on the health andwell-being of non-White than White Americans. To test whether MDR also applies to happiness, in thepresent study, Blacks and Whites were compared in terms of the effect of education attai...

In this paper, the spectral dimensions of two sets of samples including 457 black and 84 white fabrics are compared. White fabrics are treated with variety of fluorescent whitening agents and the blacks are fabrics that dyed with different combinations of suitable dyes and pigments. In this way, the reflectance spectra of blacks as well as the total radiance factors of whites are compressed in ...

Background: Although the association between major depressive disorder (MDD) and low self-esteem is well established, we do not know if race and ethnicity modify the magnitude of this link. Objectives: Using a nationally representative sample of adults in the United States, we explored whether or not race alters the association between MDD and self-esteem. Materials and Methods: Data came...

It is important nowadays to provide guidance for individuals or organizations to improve their knowledge according to their objectives, especially in the case of incomplete cognition. Based on grey system theory, a knowledge architecture which consists of grey elements including knowledge fields and knowledge units is built. The method to calculate the weightiness of each knowledge unit, with r...

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background: this study was aimed to investigate the main and buffering effects of positive religious coping on the association between the number of chronic medical conditions and major depressive disorder (mdd) among african americans, caribbean blacks and non‑hispanic whites. methods: this cross‑sectional study used data from the national survey of american life, 2001 and 2003. this study enr...

In this paper, the effect of lightness on blackness preference of 216 black fabrics prepared by printing method is investigated. 18 observers including of 9 males and 9 females are asked to firstly rank order black fabrics with the same lightness values according to their preference. In the next step, observers are asked to define their blackness preference for blacks with different L values. R...

background: to test if social support and ethnicity mediate/moderate the association between religion involvement and subjective health in the united states. methods: this is a secondary analysis of national survey of american life, 2003. hierarchical regression was fit to a national household probability sample of adult african americans ( n = 3570), caribbean blacks ( n = 1621), and whites ( ...

Grey clustering method is applies to evaluate the water eutrophication of wetland, in order to propose a superior evaluation system which is suitable for wetland eutrophication assessment. Eutrophication degree is divided into 6 classifications, and threshold of each classification makes reference to eutrophication standard of Chinese lake and eutrophication characteristics of wetland. Whiteniz...