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(초.중.고등 학교)교육 과정(1946-1981) : 미술과
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Impact of Additional Arctic River Discharge on Present and Future Distribution of Phytoplankton in Arctic Ocean
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[단행본] 성찰 : 자연의 빛에 의한 진리탐구·프로그램에 대한 주석
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소문난 임신·출산책 : 초보 부모의 불안^ 궁금증 해결하는 전문의 9인의 절대안심 바이블
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The effects of internal leakage on the performance of a micro gas turbine
- 검색키워드
- 저자 : Annor, Francis (검색결과 4 건)
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( Francis B. Annor ),( Katherine E. Masyn ),( Ike S. Okosun ),( Douglas W. Roblin ),( Michael Goodman ) 대한신장학회 2015 Kidney Research and Clinical Practice Vol.34 No.3
Background: Psychosocial stress has been hypothesized to impact renal changes, but this hypothesis has not been adequately tested. The aim of this study was to examine the relationship between psychosocial stress and estimated glomerular filtration rate (eGFR) and to examine other predictors of eGFR changes among persons with diabetes mellitus (DM). Methods: Data from a survey conducted in 2005 by a major health maintenance organization located in the southeastern part of the United States, linked to patients’ clinical and pharmacy records (n¼575) from 2005 to 2008, was used. Study participants were working adults aged 25-59 years, diagnosed with DM but without advanced microvascular or macrovascular complications. eGFR was estimated using the Modification of Diet in Renal Disease equation. A latent psychosocial stress variable was created from five psychosocial stress subscales. Using a growth factor model in a structural equation framework, we estimated the association between psychosocial stress and eGFR while controlling for important covariates. Results: The psychosocial stress variable was not directly associated with eGFR in the final model. Factors found to be associated with changes in eGFR were age, race, insulin use, and mean arterial pressure. Conclusion: Among fairly healthy DM patients, we did not find any evidence of a direct association between psychosocial stress and eGFR changes after controlling for important covariates. Predictors of eGFR change in our population included age, race, insulin use, and mean arterial pressure.
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Amponsah-Tawiah, Kwesi,Annor, Francis Occupational Safety and Health Research Institute 2017 Safety and health at work Vol.8 No.1
Background: Workplace victimization is considered a major social stressor with significant implications for the wellbeing of employees and organizations. The aim of this study was to examine the influences of employees' personality traits and organizational politics on workplace victimization among Ghanaian employees. Methods: Using a cross-sectional design, data were collected from 631 employees selected from diverse occupations through convenience sampling. Data collection tools were standardized questionnaires that measured experiences of negative acts at work (victimization), the Big Five personality traits, and organizational politics. Results: The results from hierarchical multiple regression analysis showed that among the personality traits neuroticism and conscientiousness had significant, albeit weak relationships with victimization. Organizational politics had a significant positive relationship with workplace victimization beyond employees' personality. Conclusion: The study demonstrates that compared with personal characteristics such as personality traits, work environment factors such as organizational politics have a stronger influence on the occurrence of workplace victimization.
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Kwesi Amponsah-Tawiah,Francis Annor 한국산업안전보건공단 산업안전보건연구원 2017 Safety and health at work Vol.8 No.1
Background: Workplace victimization is considered a major social stressor with significant implications for the wellbeing of employees and organizations. The aim of this study was to examine the influences of employees’ personality traits and organizational politics on workplace victimization among Ghanaian employees. Methods: Using a cross-sectional design, data were collected from 631 employees selected from diverse occupations through convenience sampling. Data collection tools were standardized questionnaires that measured experiences of negative acts at work (victimization), the Big Five personality traits, and organizational politics. Results: The results from hierarchical multiple regression analysis showed that among the personality traits neuroticism and conscientiousness had significant, albeit weak relationships with victimization. Organizational politics had a significant positive relationship with workplace victimization beyond employees’ personality. Conclusion: The study demonstrates that compared with personal characteristics such as personality traits, work environment factors such as organizational politics have a stronger influence on the occurrence of workplace victimization.
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In-vitro Regeneration of Interspecific Hybrids in Eggplant Species via Seed and Embryo Culture
Nusrat Tsemah Afful,Daniel Nyadanu,Richard Akromah,Harry Mensah Amoatey,Fuseini Mohammed,Clement Annor 한국육종학회 2020 Plant Breeding and Biotechnology Vol.8 No.3
Interspecific hybrids of eggplants (Salanum species) are of prime concern to breeders, as they allow introgression of useful genes from wild species to cultivated ones. However, successful hybridization between species is usually very low. This hampers development of improved hybrids. In-vitro culture techniques may be used to overcome interspecific barriers. Seeds and excised embryos obtained from two crosses (Solanum (S.) melongena × S. torvum and S. melongena × S. anguivi) were inoculated on Murashige and Skoog (MS) basal medium supplemented with varying concentrations of 3-indoleacetic acid (IAA) and 6-benzylaminopurine (BAP). Addition of hormones in the culture medium significantly (P < 0.05) improved root and shoot emergence, seed germination and seedling survival. However, excised embryos cultured on the same medium did not develop. Hybrid seeds cultured on MS medium supplemented with different concentrations of IAA and BAP germinated within 6-14 days (SM001-07 × ST004-03) and 4-10 days (SM001-07 × San005-01). Optimal concentration of IAA and BAP for seed germination and seedling survival depended on hybrid type. Regenerated plantlets were successfully transferred to the field after initial acclimatization. High levels of heterosis observed for number of seeds/fruit and fruit breadth suggested an opportunity for developing F1 hybrids with desirable fruit characters for improved fruit yield.
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