고려인삼류와 유사생약중 ginsenoside 및 질소화합물의 함량 비교

신재영,박희준,임상철,정원태,Shin, Jae-Young,Park, Hee-Juhn,Lim, Sang-Cheol,Jung, Won-Tae 한국생약학회 1996 생약학회지 Vol.27 No.1

To differentiate the quality of Korean ginseng from those of other habitats, the quantitative analysis of free amino acids(FAA) and total amino acids(TAA) in addition to ginsenoside Rb1 and Rg1 was carried out using amino acid analyzer and HPLC, respectively. FAA pattern in Korean ginseng was much different from that of Panax notoginseng. The difference in total content of FAA was also found that Korean ginseng contained 26.3-39.8mg/g while Panax notoginseng contained 6.5mg/g. This FAA content had a tendency to increase with the age of radix. The contents of FAA and TAA in Korean ginseng(6 years old) from Kumsan were shown to be the highest than other ginseng origins tested. The content in the 6 years Panax ginseng from China was about same with that of 4 years Korean ginseng of Kumsan. However, regarding to gisenoside Rbl and Rg1, which have been accepted as the characteristic components of Panax ginseng-Panax notoginseng showed considerably higher content than those of any other ginseng origin.

도라지와 감자 재배가 유출과 비점오염부하에 미치는 영향

신재영,신민환,최용훈,강현우,원철희,황문영,양희정,임경재,최중대,Shin, Jae Young,Shin, Min Hwan,Choi, Yong Hoon,Kang, Hyun Woo,Won, Chul Hee,Hwang, Moon Young,Yang, Hee Jung,Lim, Kyoung Jae,Choi, Joong Dae 한국농공학회 2012 한국농공학회논문집 Vol.54 No.6

An upland monitoring was conducted for about 4 years with respect to the water and quality of rainfall-runoff. The objective was to characterize of runoff and nonpoint source (NPS) pollution from a sandy field with 4.5 % in slope under balloonflower (2008-2010) and potato (2011) cultivation. Balloonflower was cultivated without any surface cover but potato was grown under plastic mulching. Runoff rate, EMCs and NPS pollution loads were estimated. The first flush effect was evaluated, and the correlation coefficient among the selected water quality indices were analyzed. Average rainfall size was higher by 2.3 mm when balloonflower was cultivated but average runoff rate was higher by 0.02 when potato was cultivated due to the plastic mulching. EMCs monitored from balloonflower field were higher than potato field except SS and TN, but all NPS pollution loads of potato field were 2.1~22.9 times greater than balloonflower field because of larger runoff volume. As a result of first flush effects, balloonflower and potato field were more influenced by increasing of accumulated rainfall and rainfall intensity rather than first flush. In the result of correlation analysis, there were no evident correlations between runoff and water quality indices. However, there were obvious correlations between SS and the other indices except TN. As a result of this study, it was thought that perennial balloonflower crop could help reduce runoff and NPS pollution loads but annual crop with plastic mulching increase them.

이동 단말기를 위한 OMA DM 기반 관리 에이전트 설계 및 구현

신재영,정용우,고광선,엄영익,Shin, Jae-Young,Jung, Young-Woo,Ko, Kwang-Sun,Eom, Young-Ik 한국정보처리학회 2008 정보처리학회논문지 C : 정보통신,정보보안 Vol.15 No.1

이동 단말기들은 이동통신 서비스의 발달과 더불어 다양한 멀티미디어 기능을 포함하는 컨버젼스 단말기로 진화하고 있으며, 사용자들로 하여금 다양한 서비스를 원활히 이용할 수 있도록 고성능화되어 가고 있다. 이러한 이동 단말기의 고성능화는 기기 자체에 대한 복잡한 설정을 요구하며, 잠재적인 H/W 또는 S/W 오류 발생 가능성과 설치 프로그램 간 충돌로 인하여 시스템 성능 저하 등의 문제를 가질 수 있다. 이러한 문제를 해결하기 위하여 단말기 관리에 대한 필요성이 대두되어, 이를 위한 기구로서 OMA(Open Mobile Alliance)가 결성되었다. OMA는 이동 단말기 관리의 표준으로 OMA DM(Device Management)을 제시하였다. 최근에 공개된 OMA DM v1.2는 이전 스펙보다 개선된 이동 단말기 관리 방법을 제공한다. 본 논문에서는 이동 단말기를 위한 OMA DM v1.2 기반 관리 에이전트에 대한 설계 및 구현 내용을 보인다. 이 에이전트는 C언어로 구현되었으며, 이동 단말기의 관리 객체를 획득, 변경 그리고 추가하기 위해 TNDS(Tree and Description Serialization)를 사용함으로써 적은 양의 네트워크 트래픽으로 효과적인 단말기 관리가 가능하다. With the rapid advancement of mobile communication, mobile devices are evolving into convergence devices with various multimedia capabilities. But, high performance of devices demands complicated settings, and thus contains latent error possibilities, and poor system performance caused by the collision of different softwares. To solve these problems, device management becomes an important issue. Open Mobile Alliance(OMA) developed OMA DM(Device Management), which is a device management standard. Recently released OMA DM v1.2 provides improved mobile device management methods compared to earlier versions. This paper introduces design and implementation of OMA DM v1.2 based management agent. By using Tree and Description Serialization(TNDS) for acquiring, adding, and editing objects in the mobile devices, it provides more effective device management with small amount of network traffic.

컨테이너 선박 마스터 적하계획을 위한 심층강화학습 모형

신재영,류현승,Shin, Jae-Young,Ryu, Hyun-Seung 한국산업융합학회 2021 한국산업융합학회 논문집 Vol.24 No.1

In the Port Logistics system, Container Stowage planning is an important issue for cost-effective efficiency improvements. At present, Planners are mainly carrying out Stowage planning by manual or semi-automatically. However, as the trend of super-large container ships continues, it is difficult to calculate an efficient Stowage plan with manpower. With the recent rapid development of artificial intelligence-related technologies, many studies have been conducted to apply enhanced learning to optimization problems. Accordingly, in this paper, we intend to develop and present a Deep Q-Learning Network model for the Master Stowage planning of Container ships.

Elastic net 기반 특징 선택을 적용한 fNIRS 기반 뇌-컴퓨터 인터페이스 데이터셋 분류 정확도 평가

신재영,Shin, Jaeyoung 대한의용생체공학회 2021 의공학회지 Vol.42 No.6

Functional near-infrared spectroscopy-based brain-computer interface (fNIRS-based BCI) has been receiving much attention. However, we are practically constrained to obtain a lot of fNIRS data by inherent hemodynamic delay. For this reason, when employing machine learning techniques, a problem due to the high-dimensional feature vector may be encountered, such as deteriorated classification accuracy. In this study, we employ an elastic net-based feature selection which is one of the embedded methods and demonstrate the utility of which by analyzing the results. Using the fNIRS dataset obtained from 18 participants for classifying brain activation induced by mental arithmetic and idle state, we calculated classification accuracies after performing feature selection while changing the parameter α (weight of lasso vs. ridge regularization). Grand averages of classification accuracy are 80.0 ± 9.4%, 79.3 ± 9.6%, 79.0 ± 9.2%, 79.7 ± 10.1%, 77.6 ± 10.3%, 79.2 ± 8.9%, and 80.0 ± 7.8% for the various values of α = 0.001, 0.005, 0.01, 0.05, 0.1, 0.2, and 0.5, respectively, and are not statistically different from the grand average of classification accuracy estimated with all features (80.1 ± 9.5%). As a result, no difference in classification accuracy is revealed for all considered parameter α values. Especially for α = 0.5, we are able to achieve the statistically same level of classification accuracy with even 16.4% features of the total features. Since elastic net-based feature selection can be easily applied to other cases without complicated initialization and parameter fine-tuning, we can be looking forward to seeing that the elastic-based feature selection can be actively applied to fNIRS data.

거리에 따른 Outage 확률 분석에 기반한 옥내 전력선 통신의 QoS 에 관한 연구

신재영(Jae Young Shin),정지채(Ji Chai Jeong) 한국통신학회 2009 한국통신학회 학술대회논문집 Vol.2009 No.11

임피던스와 전송거리를 고려한 아파트 전력선 네트워크의 시변 채널 응답에 관한 연구

신재영(Shin Jae Young),정지채(Jeong Ji Chai) 한국통신학회 2008 한국통신학회 학술대회논문집 Vol.2008 No.11

네트워크 부하 조건의 변화가 채널 상태 정보에 미치는 영향을 고려한 옥내 전력선 통신 채널의 채널 용량 분석

신재영(Jae-Young Shin),정지채(Ji-Chai Jeong) 대한전기학회 2011 전기학회논문지 Vol.60 No.2

We analyze the channel capacity with considering the effect of the loading conditions of indoor PLC networks on channel state information. We consider various numbers of load for two kinds of the networks with regular length branches and a deployed network of indoor PLC. For calculating the channel capacity degradation, two noise scenarios and impedances are considered. From the simulation results, we suggest the robust regression lines for modeling the channel capacity degradation. In the cases of 0 Ω and Z? loads, natural log and linear function curve show the best goodness of fit, respectively. For the deployed indoor PLC network with 0 Ω loads, compared with the networks with regular length branches, the goodness of fit decreases by the amount of 0.12 and 0.15 for low noise and high noise scenarios, respectively. Using the regression lines, we can estimate the channel capacity degradation without measurement.

컨테이너 터미널 내 반출입 차량 체류시간 예측에 관한 연구

신재영(Jae-Young Shin),김영일(Yeong Il Kim) 한국항해항만학회 2021 한국항해항만학회 학술대회논문집 Vol.2021 No.5

증권회사 PB의 개별 특성이 영업행동에 미치는 영향과 조직의 지원의 조절 효과에 관한 연구

신재영(Jae-Young Shin),하규수(Kyu-Soo Ha) 한국콘텐츠학회 2013 한국콘텐츠학회논문지 Vol.13 No.9

증권회사는 기업경영의 성과가 영업사원의 역량에 따라 크게 좌우되는 인적판매 산업으로 높은 성과를 창출 할 수 있는 능력을 갖춘 우수 영업 인력이 중요하다. 그러나 그동안 증권회사에 근무하는 PB에 대한 개별특성이나 영업행동 그리고 영업성과에 대한 연구는 매우 부족하였다. 본 연구는 PB의 개별특성이 영업행동에 미치는 영향을 실증 분석하고 향후에 영업성과에 미치는 영향을 연구하기 위한 목적으로 실시되었다. 2013년 3월 전국의 국내 증권회사에 근무하는 PB 600명에게 설문지를 배포하여 유의성이 있는 523명의 설문지에 대한 통계적 처리와 분석을 실시 한 결과, PB의 개별 특성인 일에 대한 태도, 성과지향성, 학습지향성, 고객지향성은 영업행동에 긍정적인 영향을 미치는 것으로 나타났으며, 조직의 지원은 양(+)의 조절효과가 있는 것으로 나타났다. 이에 본 연구는 증권회사가 경영성과 제고를 위해서는 PB의 개별특성을 향상시키기 위한 교육훈련과 자기개발프로그램을 활성화해야 하며, 조직지원을 통해서 PB의 개별특성을 향상시킬 수 있는 환경구축이 필요함을 제시한다. In securities companies where corporate management performance is heavily dependent on the ability of salespeople, excellent sales-force with the ability to create high performance is very important. However, in the meantime, there was lack of studies on Private Banker’s characteristics and sales behavior or sales performance. This study analyzed the effect of PB’s characteristics on sales behavior in the Korean Securities Industry. The survey was conducted in March, 2013. 523 responses were used in the data analysis. As a result, PB’s 4 characteristics- attitude to work, performance orientation, learning orientation, customer orientation- showed a positive impact on the sales behavior, and the organizational support showed positive moderating effect on this model. In this study, we reported that securities companies must reinforce training and self-development programs in order to improve the characteristics of the PB and to upgrade management performance. In particular, the securities has to rebuild organizational support system to improve the individual characteristics of the PB.