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MARRIS,J.M,DLUGOKENCKY,E.J,CHUNG,P.P,FUNH,I 한국교원대학교 환경과학연구소 1994 환경연구논문집 Vol.- No.2
Methane measurements from weekly air samples collected at Tae-ahn Peninsula. Korea (TAP) present new constraints on the regional methane source strength of eastern Asia. Analysis of atmospheric trajectories shows that the lowest methane values observed at Tae-ahn are associated with southeasterly flow off the tropical Pacific Ocean and are similar to those observed at Cape Kumukahi, Hawaii. During June to August, northwesterly flow from the peat-rich wetlands located in the maritime provinces of the Far East former Soviet Union elevates methane at TAP by∼80 ppb above the annual mean. Analysis of the Tae-ahn observations using a 3-D atmospheric methane model suggests that methane emission rates from the Far East Soviet wetlands may be∼2 time those of Alaskan wetlands. Also, the relative maximum in May/June at Tae-ahn constrains global CH₄emissions from rice cultivation to∼100 Tgyr-¹.
Muhammad, Gul,Marri, Amanullah Techno-Press 2018 Geomechanics & engineering Vol.16 No.3
Clayey soils with swelling and shrinkage characteristics have been major causes for many problems in roads, buildings and other civil engineering infrastructure in various areas of Pakistan, particularly where there are several patches of such soils on either side of Indus River. As the consistency characteristics are directly related with the variation of moisture content; therefore, this study was explicitly focused to investigate the effect of lime and wheat straw on the consistency characteristics of clayey soils with relatively high swelling and shrinkage characteristics. The consistency test results indicate that by the increase in lime content there is a decrease in the plasticity index of soil; for instance, 10% lime content resulted to 59% decrease in the plasticity index value. On the other hand; the addition of wheat straw resulted in a significant increase in the plasticity index; for instance, 10% wheat straw content resulted to a 120% increase in the plasticity index. This study has further shown that the shrinkage and swelling of clayey soils which resulting to several problems in the civil engineering infrastructures may adequately be managed through mixing an appropriate amount of lime and wheat straw as soil stabilizing agent for both immediate and long-term effects.
Anil Reddy Marri,조기용,Albert S. Lee,김현지,Do Xuan Huy,황승상,백경열 한국고분자학회 2017 Macromolecular Research Vol.25 No.6
Heteroleptic ruthenium-complexed ladder-like structured polysilsesquioxane (LPSQ-Ru) was synthesized by post coordination reaction of bidentate ligand side chains in LPSQ with reactive Ru(II) complexes, which was well characterized by 1H and 29Si NMR, FT-IR, and spectroscopic techniques. The photophysical properties of LPSQ-Ru were examined by UV and PL analyses in both solution and solid states, comparing to analogous polymers of rutheniumcomplexed polystyrene (PS-Ru). Obtained absorptions of LPSQ-Ru and PS-Ru were broadened ranging from 390-490 nm regardless of the states. However, LPSQ-Ru exhibited higher and shaper PL emission spectrum in comparison to that of PS-Ru, particularly in the solid state, because Ru-complexes in LPSQ were much effectively isolated, preventing their aggregations due to the rigid double strained siloxane backbone. This extinguished photophysical property in LPSQ-Ru kept after intensive thermal treatment at 250 °C for 90 min, which was not achieved in PS-Ru (~5-fold decrease). These differences originated from the backbone structures were also appeared in electrochemical properties in the solid states.
Nurse Manager Competency: Views from Executives in Thai Community Hospitals
Kanjananat Tongmuangtunyatep,Marry Lynn,Wipada Kunaviktikul 충남대학교 아시아여론연구소 2017 Asian journal for public opinion research Vol.4 No.2
Background: Adolescent mothers may find the transition to motherhood to be Aim: The aim of this study was to investigate the viewpoints of nurse managers and directors of nursing services in community hospitals regarding the essential competencies of head nurses. Methods: A qualitative descriptive design was used to investigate the perspective of nurse managers and directors of nursing services about essential competencies of nurse managers in community hospitals. A total of ten participants (four directors of nursing services and six nurse managers) were interviewed. Findings: Nurse managers and directors of nursing services identified leadership, management, communication, professional ethics, and policy and healthcare environment as the essential competencies for their positions in community hospitals. Conclusions: These findings can be used by executives of community hospitals and nursing institutes to plan for competency development for nurse managers. They should be included in nursing administration programs.
Nurse Manager Competency: Views from Executives in Thai Community Hospitals
Tongmuangtunyatep, Kanjananat,Lynn, Marry,Kunaviktikul, Wipada Center for Asian Public Opinion ResearchCollaborat 2017 Asian journal for public opinion research Vol.4 No.2
Background: Adolescent mothers may find the transition to motherhood to be Aim: The aim of this study was to investigate the viewpoints of nurse managers and directors of nursing services in community hospitals regarding the essential competencies of head nurses. Methods: A qualitative descriptive design was used to investigate the perspective of nurse managers and directors of nursing services about essential competencies of nurse managers in community hospitals. A total of ten participants (four directors of nursing services and six nurse managers) were interviewed. Findings: Nurse managers and directors of nursing services identified leadership, management, communication, professional ethics, and policy and healthcare environment as the essential competencies for their positions in community hospitals. Conclusions: These findings can be used by executives of community hospitals and nursing institutes to plan for competency development for nurse managers. They should be included in nursing administration programs.