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Dadan Bardah,Setyowati Setyowati,Tuti Afriani,Hanny Handiyani,Sarvita Dewi 한국간호과학회 2021 한국간호과학회 학술대회 Vol.2021 No.10
Aims: The purpose of this study was to identify the effect of nurse manager and peer support on nurses" self-efficacy in taking care Covid-19 patients in hospitals. Methods: This study uses a quantitative descriptive method with a cross-sectional approach. The number of samples was 167 nurses who came from the Covid-19 referral hospital in Cirebon with the accidental sampling technique. Data were analyzed using Chi square test and multiple logistic regression tests. Results: The results showed that there was no effect of nurse manager support (p = 0.229) and there was an effect of peer support (p <0.001) on nurses" self-efficacy. The most influential factors on nurses" self-efficacy were peer support (OR: 3.207) and gender (OR: 2.229). Conclusions: Nurses who receive support from peers have a higher self-efficacy than nurses who did not obtain the support of peers as well. Peer support is part of the work environment. Support from the work environment can change the self-efficacy and performance of nurses professionally.
Soenarso, Wisnu S.,Nugraha, Dadan,Listyaningrum, Eryda World Technopolis Association 2013 World Technopolis Review Vol.2 No.1
Science and Technology Park (STP) is perceived to be a vehicle in promoting innovation-based economic growth within the framework of regional and national innovation systems. STP is a tool to encourage regional innovation and competitiveness in increasing contribution of science and technology in economic development. STP can also be a leading sector in creating conducive environment for local community's technopreneurship. In relation to the vision outlined in the 2025 Indonesian Master Plan of Acceleration and Expansion of Indonesia's Economic (MP3EI), STP is stated to be an important element in creating innovation within the framework of Special Economic Zone among six Economic Corridors. Hence, the government of Indonesia continues to encourage the development of STPs in Indonesia by involving local governments, universities, business players and stakeholders surround the area. Ultimately, STP is a platform in developing National Innovation System (NIS) and Regional Innovation System (RIS).
The Prediction of Minimum Miscible Pressure for CO2 EOR using a Process Simulator
( Felicia Salim ),( Seojin Kim ),( Dadan D. S. M. Saputra ),( Wisup Bae ),( Jaihyo Lee ),( In Won Kim ) 한국화학공학회 2016 Korean Chemical Engineering Research(HWAHAK KONGHA Vol.54 No.5
Carbon dioxide injection is a widely known method of enhanced oil recovery (EOR). It is critical for the CO2 EOR that the injected CO2 to reach a condition fully miscible with oil. To reach the miscible point, a certain level of pressure is required, which is known as minimum miscibility pressure (MMP). In this study, a MMP prediction method using a process simulator is proposed. To validate the results of the simulation, those are compared to a slim tube experiment and several empirical correlations of previous literatures. Aspen HYSYS is utilized as the process simulator to create a model of CO2/crude oil encounter. The results of the study show that the process simulator model is capable of predicting MMP and comparable to other published methods.
Wisnu S. Soenarso,Dadan Nugraha,Eryda Listyaningrum 세계과학도시연합 2013 World Technopolis Review Vol.2 No.1
Science and Technology Park (STP) is perceived to be a vehicle in promoting innovation-based economic growth within the framework of regional and national innovation systems. STP is a tool to encourage regional innovation and competitiveness in increasing contribution of science and technology in economic development. STP can also be a leading sector in creating conducive environment for local community’s technopreneurship. In relation to the vision outlined in the 2025 Indonesian Master Plan of Acceleration and Expansion of Indonesia’s Economic (MP3EI), STP is stated to be an important element in creating innovation within the framework of Special Economic Zone among six Economic Corridors. Hence, the government of Indonesia continues to encourage the development of STPs in Indonesia by involving local governments, universities, business players and stakeholders surround the area. Ultimately, STP is a platform in developing National Innovation System (NIS) and Regional Innovation System (RIS).
차폐재 두께에 따른 광산폐기물의 자연방사능 수준 변화 특성
전순원,정명채,정선희,권요셉,김중열,황인호,이진수,최홍일,Netzhanova Akmaral,Saputra Dadan,Hidayat Fiki,Priyandi Kusumah,홍성현 한국자원공학회 2013 한국자원공학회지 Vol.50 No.1
The objective of this study is to evaluate the variations of natural radioactivity of mine wastes in the Boeun coal mine underlain by Okcheon black shale belt with covering materials including fly ash, soil and gravel. The total natural radioactivity was 300 CPS(count per second) per 1 kg of the mine wastes(tailings and waste rocks), and there is no radioactive variation by 0%, 10% and 20% compaction of each material. However, the radioactivity was exponentially decreased with 3, 6 and 9 cm thickness of the materials, and over 50% of the radioactivity was reduced as 6 cm topping of the materials. In addition, topping with gravel on the wastes was one of the best options in radioactivity reduction. Finally, it can be concluded that covering with 6 cm by various covering materials per 1 kg of the waste is quite enough to reduce natural radioactivity, and gravel layer plays a role in enhancing the reduction of the radioactivity from mine wastes. 이 연구의 목적은 옥천대 흑색 셰일이 분포하는 지역의 보은탄광 광산폐기물을 대상으로 플라이애쉬(fly ash), 복토재(soil for covering) 및 자갈(gravel) 등의 차폐재를 사용하여 그 두께에 따른 자연방사능의 수준 변화 특성을 평가하는 것이다. 채취한 광산폐기물(광물찌꺼기, 폐석 등) 1 kg당 자연방사능은 300 CPS(count per second)로 측정되었으며, 0%, 10%, 20%의 다짐도에 따른 변화는 미약하였다. 소형칼럼(Φ8 cm × 24 cm)에 광산폐기물 1 kg을 넣고 차폐재를 3, 6 및 9 cm로 충진하고 자연방사능 변화를 측정한 결과, 차폐재의 두께에 따라 자연방사능 값이 지수적으로 감소하였으며, 특히 6 cm로 충진한 경우 초기 자연방사능의 50% 이상을 저감할 수 있었다. 또한 차폐재별 효율을 비교한 결과, 자갈이 가장 우수하게 나타났다. 따라서 경제성과 현장 적용성을 고려한다면 광산폐기물 1 kg당 상기 차폐재를 6 cm 전후 두께로 충진할 경우 충분한 자연방사능의 차폐가 가능하며, 자갈과 함께 충진시 차폐효율은 증가할 것이라 판단된다.