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        • A study on sensors and integrated early-warning system for monitoring of disaster signs

          Seonghyun,Cho,En,Sup,Yoon,Ikhyun,Kim,Seungkyu,Dan,Wang,Qiang 한국방재학회 2014 한국방재학회 학술발표대회논문집 Vol.2014 No.-

          Now a days, the monitoring system based on high technology and brand new IT which is being used in a facility for the purpose of monitoring the concentration of hazard chemicals and deformation such as crack has reached a significant level. However, the operating and maintenance cost for monitoring system is critical and therefore, it is unsuitable to use for monitoring urban local disaster and integrated emergency management, including indications of NEMA, and for the application of disaster management. For the past 10 years, the main cause for the fire and explosive accident was human error, and the accident rate was more the than 35% in South Korea. This sentence proves the fact that even if the safety device is well equipped, there are high possibilities to occur the disaster by simple human mistakes and it is impossible to neglect the accident. In order to minimize the disaster, comprehensive accident prevention system is required where it could operate and produce all the information needed for accident and accident prevention.In this study, we have considered above conditions, and tried to come up with integrated monitoring system where it could response to both hazard material and collapse threats. First, we divided the disaster area into two parts which are hazard material and collapse with deformation, and then proceed the development separately. Our purpose was to combine both toxic gas monitoring system and collapse monitoring system into one. trough our 3 years of research, the two different types of sensors have been developed and by using these sensors, the integrated early-warning system for monitoring of disaster symptom has been constructed and also the response manual has been made to improve the efficiency. With our integrated early-warning system, we provide the prototype of emergency plan and system for both chemical and contractual disaster, and we expect to be commercialized so that it will minimize the casualties whenever unexpected accident occurs.

        • The Making of Presidential Agendas in Korea: A Comparison of Four Governments

          ( Seonghyun Yu ), ( Jangho Park ), ( Sunhyuk Kim ) 한국정책학회 2020 한국정책학회 추계학술발표논문집 Vol.2020 No.-

          This study compares the presidential agendas of the four recent Korean governments of Kim Dae-jung (1998-2003), Roh Moo-hyun (2003-08), Lee Myung-bak (2008-13), and Park Geun-hye (2013-17). After a theoretical overview of the three factors affecting the formation of the presidential agenda (i.e., party ideology, presidential leadership, and social environment) this paper reviews the details of the presidential agendas of each administration and discusses them in the light of the three factors. In the last section, we reflect on the presidential agenda of the current Moon Jae-in administration (2017- present), point out the change and continuity in the presidential agenda system, and make a few remarks on the future of the presidential agenda system in Korea.

        • KCI등재

          Effect of photoperiod and temperature on the reproductive responses of Protaetia brevitarsis

          ( Seonghyun Kim ), ( Hae-chul Park ), ( Namjung Kim ), ( Ingyun Park ) 한국잠사학회 2018 International Journal of Industrial Entomology Vol.37 No.2

          In the present study, we investigated the effects of temperature and photoperiod on oviposition of Protaetia brevitarsis . The effects of long- and short-day cycles on oviposition and egg hatching of P. brevitarsis were investigated at different temperatures. Three male-female pairs were confined to oviposition chambers maintained at 20°C, 25°C, 30°C, and 35°C, with 16L:8D and 8L:16D photoperiod. Oviposition was observed at all temperatures. The total number of eggs laid per female was between 46.8 and 110.8, and the optimal temperature for oviposition and fertility was between 20°C and 30°C. Furthermore, it was difficult for the eggs to hatch at 35°C. Fewer eggs were laid under short photoperiod than under long photoperiod at all temperatures. Hatching success was 93.5% at 20°C, 90.9% at 25°C, 71.5% at 30°C and 37.3% at 35°C under long-day(16L:8D) condition and . Temperature had a strong effect on the time to hatching. Neither oviposition nor subsequent egg hatching was influenced by photoperiod and temperature. The information obtained will be useful for mass rearing P. brevitarsis.

        • KCI등재SCOPUS

          The Making of Presidential Agendas in Korea: A Comparison of Four Governments

          Seonghyun,Yu,Jangho,Park,Sunhyuk,Kim 한국학술연구원 2020 Korea Observer Vol.51 No.3

          '스콜라' 이용 시 소속기관이 구독 중이 아닌 경우, 오후 4시부터 익일 오전 7시까지 원문보기가 가능합니다.

          This study compares the presidential agendas of the four recent Korean governments of Kim Dae-jung (1998-2003), Roh Moo-hyun (2003-08), Lee Myung-bak (2008-13), and Park Geun-hye (2013-17). After a theoretical overview of the three factors affecting the formation of the presidential agenda (i.e., party ideology, presidential leadership, and social environment) this paper reviews the details of the presidential agendas of each administration and discusses them in the light of the three factors. In the last section, we reflect on the presidential agenda of the current Moon Jae-in administration(2017-present), point out the change and continuity in the presidential agenda system, and make a few remarks on the future of the presidential agenda system in Korea.

        • KCI등재

          Effect of temperature on the development of Alphitobius diaperinus (Coleoptera: Tenebrionidae)

          ( Seonghyun Kim ), ( Haechul Park ), ( Ingyun Park ), ( Taeman Han ), ( Hong Geuan Kim ) 한국잠사학회 2017 International Journal of Industrial Entomology Vol.35 No.2

          The developmental responses of insects to temperature are important considerations in gaining a better understanding of their ecology and life histories. Temperature dependent models permit examination of the effect of temperature on the geographical distributions, population dynamics, and management of insects. The measurements of insect developmental and survival responses to temperature pose practical challenges that depend. The developmental characteristics of A. diaperinus were investigated at four temperature regimes (20, 25, 30 and 35℃), a relative humidity of 60%, and a light:dark photoperiod of 16:8h. The developmental time from larva to adult was 129.0, 49.8, 40.5 and 31.9 days at temperatures of 20, 25, 30 and 35℃, respectively. Pupal rate was 80.0%, 100%, 83.3% and 91.7% at temperatures of 20, 25, 30 and 35 respectively. There is an increasing need for a standardized manual for rearing this. Pupa had significantly lower weights at 35℃ than at the other temperatures. Female pupae (20mg) were significantly heavier than male (17mg). ⓒ 2017 The Korean Society of Sericultural Sciences Int. J. Indust. Entomol. 35(2), 106-110 (2017)

        • Effect of temperature on the development of the lesser mealworm, Alphitobius diaperinus

          Seonghyun,Kim,HaechulPark,IngyunPark 한국응용곤충학회 2017 한국응용곤충학회 학술대회논문집 Vol.2017 No.10

          The developmental responses of insects to temperature are important considerations in gaining a better understandingof their ecology and life histories. Temperature dependent models permit examination of the effect of temperature onthe geographical distributions, population dynamics, and management of insects. The measurements of insect developmentaland survival responses to temperature pose practical challenges that depend. The developmental characteristics of A. diaperinuswere investigated at four temperature regimes (20, 25, 30 and 35℃), a relative humidity of 60%, and a light:dark photoperiodof 16:8h. The developmental time from larva to adult was 129.0, 49.8, 40.5 and 31.9 days at temperatures of 20, 25,30 and 35℃, respectively. Pupal rate was 80.0%, 100%, 83.3% and 91.7% at temperatures of 20, 25, 30 and 35 respectively.There is an increasing need for a standardized manual for rearing this. Pupa had significantly lower weights at 35℃than at the other temperatures. Female pupae (20mg) were significantly heavier than male pupae (17mg).

        • SCOPUSKCI등재

          MALDI-TOF Analysis of Binding between DNA and Peptides Containing Lysine and Tryptophan

          ( Seonghyun Lee ), ( Sojeong Choe ), ( Yeeun Oh ), ( Kyubong Jo ) 한국질량분석학회 2015 Mass spectrometry letters Vol.6 No.3

          Here, we demonstrate the use of MALDI-TOF as a fast and simple analytical approach to evaluate the DNA-binding capability of various peptides. Specifically, by varying the amino acid sequence of the peptides consisting of lysine (K) and tryptophan (W), we identified peptides with strong DNA-binding capabilities using MALDI-TOF. Mass spectrometric analysis reveals an interesting novel finding that lysine residues show sequence selective preference, which used to be considered as mediator of electrostatic interactions with DNA phosphate backbones. Moreover, tryptophan residues show higher affinity to DNA than lysine residues. Since there are numerous possible combinations to make peptide oligomers, it is valuable to introduce a simple and reliable analytical approach in order to quickly identify DNA-binding peptides.

        • Rearing the swallowtail butterfly, Papilio xuthus, on a pellet-type artificial diet

          Seonghyun,Kim,Namjung,Kim,Seongjin,Hong,Haechul,Park,Youngbo,Lee,Kwanho,Park,Wonho,Choi 한국응용곤충학회 2013 한국응용곤충학회 학술대회논문집 Vol.2013 No.10

          The effect of an artificial diet on the developmental rate, a life history parameter, was examined for the swallowtail butterfly, Papilio xuthus. Artificial insect diets are an essential component of many insect rearing systems that produce insects for research purposes. Complex agar-gelled diets are generally prepared in large batches and used shortly after preparation because the degradation of perishable diet ingredients, such as vitamins and fatty acids, can adversely affect insect quality (Brewer F D 1984). However, the timing of diet preparation may be inconvenient and large batches wasteful if the unused, excess diet is discarded. This study showed that if the artificial diet was fed during the larval stage, the larval and pupal developmental periods, the percentage of pupation, and the pupal weight generally did not differ significantly among the five artificial diets evaluated. The percentage of pupation varied considerably, with no significant differences among diets except for diet C. A maximum pupation percentage of 83% was observed on diet C. Pellet-type diets were investigated with the aim of developing a more easily prepared diet. The extrusion of the artificial diet under high temperature and pressure may induce desirable chemical and physical changes in the extruded product. The purpose of the present study was to develop an artificial diet for rearing P. xuthus.

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