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Key Tasks for Facility Standardization Work Process in Capital Projects
Jin Ouk Choi,곽영훈,지석호 대한토목학회 2023 KSCE Journal of Civil Engineering Vol.27 No.9
The primary purpose of this study is to develop a work process for capital projects that can help the practitioners in developing a facility design standardization program. The goals of this paper are three-fold; 1) to identify and establish key work process tasks for facility standardization, 2) to evaluate the value and difficulty of implementation per each key task, and 3) to identify key parties/players responsible for implementing the identified tasks as well as timings of implementation. The study identifies 41 key tasks for the facility design standardization work process in capital projects. Also, the results show Define Scope and Standardization Approach (#10) and Validate Design Criteria to Standardization Design Envelope (#35) are the most valued tasks and Develop a Standardization Process and Work Process (#7) is the most difficult task to achieve. The results also show that the program lead/manager and project manager are the key responsible players for implementing the key tasks. Finally, the owner is the most accountable (85%), and most of the tasks (50%) must be performed early. The research method relies on a survey, extensive literature review, considerable industry experience of the participants and discussions. This study contributes greatly to facility design standardization strategy in capital projects and serves as a foundation for future research.
Choi, Jihye,Kang, Byunghoon,Kim, Hyun-Ouk,Suh, Jin-Suck,Haam, Seungjoo,Yang, Jaemoon The Royal Society of Chemistry 2019 Nanoscale Vol.11 No.5
<P>Herein, we report a <I>de novo</I> synthesis approach to produce bandgap-controlled polyaniline (PAni) nanostructure <I>via</I> Mn-mediated oxidative polymerization at the catalytic nanoreactor. To achieve systemic nanoconfined polymerization, manganese oxide (MnOx) nanoparticles coated with silica were used as the sacrificial nanotemplate. Interestingly, the catalytic nanoreactor simultaneously allowed the nanoconfined oxidative polymerization and controlling of the bandgap. MnOx could be reduced by the addition of aniline monomers and consecutive redox reaction at the nanoreactor. Furthermore, core cavity was generated, and ionized Mn could control the bandgap by coordination at the nanostructures.</P>
Choi, Hyosung,Park, Ji Sun,Jeong, Eunjae,Kim, Gi‐,Hwan,Lee, Bo Ram,Kim, Sang Ouk,Song, Myoung Hoon,Woo, Han Young,Kim, Jin Young WILEY‐VCH Verlag 2011 Advanced Materials Vol.23 No.24
<P><B>Interface engineering by combination of TiO<SUB>x</SUB> and a conjugated polyelectrolyte as an electron transport layer</B> modifies the electrical contact between a metal electrode and an organic active layer with well‐aligned frontier orbital energy levels for efficient charge transport. This results in remarkable improvements in the device performance of inverted polymer solar cells and polymer light‐emitting diodes.</P>
Sang-Ouk Shin,Sea-Gyu Lim,Tae-Joung Ha,Seong-Hyu Shin,Kyung-Jin Choi,In-Yeul Baek,Keum-Yong Park,Sang-Chul Lee 한국작물학회 2008 한국작물학회 학술발표대회 논문집 Vol.2008 No.10
This study was carried out to obtain general agronomic characteristics and identify its relationship with seeding date for high quality soybean seed production. One hundred(100) domestic soybean varieties were used and seeding date were scheduled at April 30 and May 30. This experiment was carried out at YARI, NICE situated at Miryang from 2005 to 2006. Maturity Group(MG) was classified by Kweon et al's method (1974). Correlation analysis of major agronomic characters showed positive relationship between days to flowering and growth days, seed weight and lodging in MG ,seed crack and growth days in Ⅳ~Ⅴ MG0~Ⅲ,seed crack and days to flowering in MGⅣ~Ⅴ and MGⅥ~Ⅶ, seed crack and lodging in MGⅣ~Ⅴ and MGⅥ~Ⅶ, seed crack and seed weight in MGⅣ~Ⅴ and MGⅥ~Ⅶ, purple seed and growth days in MGⅣ~Ⅴ , purple seed and seed weight in MGⅥ~Ⅶ, phomopsis and growth days in MGⅣ~Ⅴ and MGⅥ~Ⅶ, and phomopsis and purple seed in MGⅣ~Ⅴ and MGⅥ~Ⅶ. In contrast, a negative relationship was observed between seed weight and lodging in MG0~Ⅲ. Correlating yield and major characters revealed negative relationship between days to flowering and growth days in MG0~Ⅲ and MGⅣ~Ⅴ, whereas positive relationships were obtained on MGⅥ~Ⅶ seeded on April 30. Lodging, seed weight and seed crack were all negatively correlated with yield in MGⅣ~Ⅴ and MGⅥ~Ⅶ
Young-Jin Oh,Tae-Il Park,Sang-Kyun Cho,Hyoung-Ho Park,Ouk-Kyu Han,Jae-Hwan Suh,Jong-Chul Park,Tae-Hwa Song,Yang-Kil Kim,Hyeon-Jung Kang,Jae-Hwan Noh,Jae-Seong Choi,Yun-Woo Jang,Tae-Su Kim,Kwang-Geun P 한국육종학회 2014 한국육종학회 심포지엄 Vol.2014 No.07
‘Muhan’ (Hordeum vulgare L.), a new ruminant-palatability forage barley cultivar, was developed by the breeding team at the Department of Rice and Winter Cereal Crop, National Institute of Crop Science, RDA in 2013. It was derived from the cross between SB921011-3B-16-2/IT0188556 and ‘Suwon 365’. Among the cross made in 2002, a promising line, SB02T2097-B-B-B-18, showed good characteristics in potential forage yield in the yield trial tested at Iksan in 2009 to 2010 designated as Iksan 465. The line in the Regional Yield Trials(RYT) tested in eight locations around Korea for three years from 2011 to 2013, and was released as the name of ‘Muhan’. It has the growth habit of group Ⅳ, erect plant type, green leaf and awnless spike. Its average heading and maturing dates were on May 4, and June 4, respectively, with similar to check cultivar ‘Youngyang’. The cultivar had 102cm of culm length, 711 spikes per m2 and it showed better rate of leaf, winter hardiness, and resistance to BaYMV than those of the check cultivar. The average forage yield of ‘Muhan’ was about 12.4 ton ha-1 in dry matter in paddy field. ‘Muhan’ also showed 6.6% of crude protein content, 28.6% of ADF (Acid Detergent Fiber), 50.1% of NDF (Neutral Detergent Fiber), and 66.3% of TDN (Total Digestible Nutrients), including higher grade of silage quality for whole crop barley
Influence of planting times on dry matter production and yield of soybean
Sang-Ouk Shin,Hyun-Tae Kim,Tae-Joung Ha,Won-Young Han,Jong-Min Ko,Kyung-Jin Choi,In-Yeul Baek,Keum-Yong Park,Sang-Chul Lee 한국작물학회 2008 한국작물학회 학술발표대회 논문집 Vol.2008 No.10
This experiment was carried out to clear optimum planting time for yield enlargement by comparing yield with dry matter at Miryang from 2005 to 2006. Variety used were Daewon, Daepung, Daol and Cheongja 3. Seeding was performed on April 30 to June 30 with 20day intervals and planting density was 142,857 palnts/ha (70×20㎝, 2plants per hill) with black vinyl mulching. In R2~R4 stages, crop growth rate(CGR) was largest on June 10 seeding. Although net assimilation rate(NAR) increased as seeding date was delayed, NAR on June 10 seeding was the highest throughout the growth period. Positive relationships were observed between NAR from R2 to R4 the ratio of pod to total dry matter weight. The LAI and total dry matter weight at the R4 stage was higher at earlier seeding date. In the case when seeding date was delayed, the ratio of leaf(source) and pod(sink) increased. From the comparison of all factors such as dry weight, optimum LAI, and of source to sink, the optimum planting date for high seed production was June 10. The highest yield was recorded with on June 10 seeding. Also, this seeding date showed high ratio of seed yield to dry matter in R2 stage. Difference between surveyed pod no. and theological pod no. which was calculated by dry matter ratio compared with standard seeding date(June 10) at R2 stage was the smallest in June 10 seeding.
Hwang, Jin Ok,Park, Ji Sun,Choi, Dong Sung,Kim, Ju Young,Lee, Sun Hwa,Lee, Kyung Eun,Kim, Yong-Hyun,Song, Myoung Hoon,Yoo, Seunghyup,Kim, Sang Ouk American Chemical Society 2012 ACS NANO Vol.6 No.1
<P>Graphene is a promising candidate to complement brittle and expensive transparent conducting oxides. Nevertheless, previous research efforts have paid little attention to reduced graphene, which can be of great benefit due to low-cost solution processing without substrate transfer. Here we demonstrate workfunction-tunable, highly conductive, N-doped reduced graphene film, which is obtainable from the spin-casting of graphene oxide dispersion and can be successfully employed as a transparent cathode for high-performance polymer light-emitting diodes (PLEDs) as an alternative to fluorine-doped tin oxide (FTO). The sheet resistance of N-doped reduced graphene attained 300 Ω/□ at 80% transmittance, one of the lowest values ever reported from the reduction of graphene oxide films. The optimal doping of quaternary nitrogen and the effective removal of oxygen functionalities <I>via</I> sequential hydrazine treatment and thermal reduction accomplished the low resistance. The PLEDs employing N-doped reduced graphene cathodes exhibited a maximum electroluminescence efficiency higher than those of FTO-based devices (4.0 cd/A for FTO and 7.0 cd/A for N-doped graphene at 17 000 cd/m<SUP>2</SUP>). The reduced barrier for electron injection from a workfunction-tunable, N-doped reduced graphene cathode offered this remarkable device performance.</P><P><B>Graphic Abstract</B> <IMG SRC='http://pubs.acs.org/appl/literatum/publisher/achs/journals/content/ancac3/2012/ancac3.2012.6.issue-1/nn203176u/production/images/medium/nn-2011-03176u_0005.gif'></P><P><A href='http://pubs.acs.org/doi/suppl/10.1021/nn203176u'>ACS Electronic Supporting Info</A></P>
Young-Jin Oh,Tae-Il Park,Ouk-Kyu Han,Jae-Hwan Suh,Hyoung-Ho Park,Sang-Kyun Cho,Jong-Chul Park,Tae-Hwa Song,Kyeong-Hoon Kim,Yang-Kil Kim,Hyeon-Jung Kang,Jae-Seong Choi,Yun-Woo Jang,Kee-Jong Kim,Kwang-G 한국육종학회 2013 한국육종학회 심포지엄 Vol.2013 No.07
‘Jungmo2503’ (Hordeum vulgare L.), a new ruminant-palatability forage barley cultivar, was developed by the breeding team at the Department of Rice and Winter Cereal Crop, National Institute of Crop Science, RDA in 2011. It was derived from the cross between ‘Dongsanpi81’ and ‘Kangbori’. Among the cross made in 1999, a promising line, SB992028-B-B-B-B-B-2, showed good characteristics in potential forage yield in the yield Trial tested at Iksan in 2007 to 2008 designated as Iksan 449. The line in the Regional Yield Trials (RYT) tested in eight locations around Korea for three years from 2009 to 2011, and was released as the name of ‘Jungmo2503’. It has the growth habit of group Ⅰ, erect plant type, green leaf and hood spike. Its average heading and maturing dates were on May 2, and May 29, respectively, with are similar to check cultivar ‘Yuyeon’. The cultivar had 102cm of culm length, 691 spikes per m2 and it showed better rate of leaf, winter hardiness, and resistance to BaYMV than those of the check cultivar. The average forage yield of ‘Jungmo2503’ was about 10.9 ton ha-1 in dry matter in paddy field. ‘Jungmo2503’ also showed 9.4% of crude protein content, 27.3% of ADF (Acid Detergent Fiber), 49.0% of NDF (Neutral Detergent Fiber), and 67.3% of TDN (Total Digestible Nutrients), including higher grade of silage quality for whole crop barley.