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Rerouting for Connection-Oriented Mobile Communication Networks Based on Connection Information
Minho Song,Yanghee Choi,Chongsang Kim 한국정보과학회 1996 Journal of Electrical Engineering and Information Vol.1 No.3
To date, there have been many researches on the problem of connection rerouting in connection-oriented mobile communication networks. Several methods have been proposed for the connection rerouting, but the previous methods have difficulties in being used in general. In this paper, we propose a new method, called CI(Connection Information)-based rerouting, which is appropriate for general use. In the method, a Mobile Host(MH) is provided with its connection information through connection recording at its connection setup time. When the MH has moved into a new area during its communication, it provides its connection information to its new Mobile Host Agent(MHA), and then, the MHA selects, out of the Mobility-handling Router(MR)s which addresses are included in the information, the one closest to the MHA for the rerouting point of the MH's connection. This method has the following good features for general use; it prevents a rerouted connection from being largely deviated from its optimal route, enables fast rerouting, is not limited to a specific network topology, does not need additional connection branches, and does not depend on a specific communication protocol.
Effects of pathogenic E. coli on diarrhea, growth performance, and blood profile of weaned pigs
Minho Song,Yoontack Jang,Younghwa Kim,Juncheol Park,Younghoon Kim 충남대학교 농업과학연구소 2015 농업과학연구 Vol.42 No.3
The experiment was conducted to evaluate the effects of pathogenic Escherichia coli on diarrhea, growth performance, and blood profile of weaned pigs. A total of 48 pigs were used and housed in individual pens of disease containment chambers for 16 d (4 d before and 12 d after the first challenge [d0]). The treatments were with or without the pathogenic E. coli challenge (F-18 E. coli strain; heat-labile, heat-stable, and Shiga-like toxins). Pigs were orally inoculated with a dose of 10<SUP>10</SUP> cfu E. coli per 3 mL PBS daily for 3 days. The common nursery diet and water were available at all times. The ADG, ADFI, G:F, diarrhea score, ratio of fecal β-hemolytic coliforms from total coliforms (RHT), and blood profile were measured. The pathogenic E. coli reduced (P < 0.05) ADG from d0 to 6 (117 vs. 297g/d) and from d0 to 12 (377 vs. 238 g/d) compared with the control. Meanwhile, the pathogenic E. coli increased (P < 0.05) diarrhea score (average 3.4 vs. 1.4) and RHT (average 82 vs. 11%) on d3, 6, and 9 and the number of white blood cells (17.59 vs. 13.48 x10³/μL) on d6 compared with the control. No differences were found on ADFI and others in the blood profile (total protein and hematocrit). In conclusion, pathogenic E. coli used in this experiment successfully caused mild diarrhea, increased number of white blood cells, and adversely affected growth rate of weaned pigs.
Effects of pathogenic E. coli on diarrhea, growth performance, and blood profile of weaned pigs
Song, Minho,Jang, Yoontack,Kim, Younghwa,Park, Juncheol,Kim, Younghoon Institute of Agricultural Science 2015 Korean Journal of Agricultural Science Vol.42 No.3
The experiment was conducted to evaluate the effects of pathogenic Escherichia coli on diarrhea, growth performance, and blood profile of weaned pigs. A total of 48 pigs were used and housed in individual pens of disease containment chambers for 16 d (4 d before and 12 d after the first challenge [d0]). The treatments were with or without the pathogenic E. coli challenge (F-18 E. coli strain; heat-labile, heat-stable, and Shiga-like toxins). Pigs were orally inoculated with a dose of $10^{10}cfu$ E. coli per 3 mL PBS daily for 3 days. The common nursery diet and water were available at all times. The ADG, ADFI, G:F, diarrhea score, ratio of fecal ${\beta}$-hemolytic coliforms from total coliforms (RHT), and blood profile were measured. The pathogenic E. coli reduced (P < 0.05) ADG from d0 to 6 (117 vs. 297 g/d) and from d0 to 12 (377 vs. 238 g/d) compared with the control. Meanwhile, the pathogenic E. coli increased (P < 0.05) diarrhea score (average 3.4 vs. 1.4) and RHT (average 82 vs. 11%) on d3, 6, and 9 and the number of white blood cells (17.59 vs. $13.48{\times}10^3/{\mu}L$) on d6 compared with the control. No differences were found on ADFI and others in the blood profile (total protein and hematocrit). In conclusion, pathogenic E. coli used in this experiment successfully caused mild diarrhea, increased number of white blood cells, and adversely affected growth rate of weaned pigs.
Minho Song,Heesung Yoon,Haiwon Yang,Chang Seop Koh IEEE 2011 IEEE transactions on magnetics Vol.47 No.5
<P>This paper presents a generalized Chua-type vector hysteresis model to describe both the static and dynamic vector magnetic properties of electrical steel sheets. The proposed model takes into account all significant harmonic components of the measured <I>H</I> -waveforms, thus it provides precise prediction of <I>H</I>-waveforms even under highly saturated magnetic flux densities under alternating, rotating, and distorted magnetic fields conditions. The validity of the proposed vector hysteresis model was investigated by comparison to experimental results under various magnetic field conditions for both the non-oriented and grain-oriented silicon steel sheets.</P>
Hydrazine Doped Graphene and Its Stability
Song, MinHo,Shin, Somyeong,Kim, Taekwang,Du, Hyewon,Koo, Hyungjun,Kim, Nayoung,Lee, Eunkyu,Cho, Seungmin,Seo, Sunae The Korean Vacuum Society 2014 Applied Science and Convergence Technology Vol.23 No.4
The electronic property of graphene was investigated by hydrazine treatment. Hydrazine ($N_2H_4$) highly increases electron concentrations and up-shifts Fermi level of graphene based on significant shift of Dirac point to the negative gate voltage. We have observed contact resistance and channel length dependent mobility of graphene in the back-gated device after hydrazine monohydrate treatment and continuously monitored electrical characteristics under Nitrogen or air exposure. The contact resistance increases with hydrazine-treated and subsequent Nitrogen-exposed devices and reduces down in successive Air-exposed device to the similar level of pristine one. The channel conductance curve as a function of gate voltage in hole conduction regime keeps analogous value and shape even after Nitrogen/Air exposure specially whereas, in electron conduction regime change rate of conductance along with the level of conductance with gate voltage are decreased. Hydrazine could be utilized as the highly effective donor without degradation of mobility but the stability issue to be solved for future application.
Minho Song,Do-Myung Kim,Kyu-Myung Choi,Seongwon Seo 충남대학교 농업과학연구소 2012 농업과학연구 Vol.39 No.4
Distillers dried grains with solubles (DDGS) is a by-product from processing corn to produce bio-ethanol, and it contains almost three times higher protein, fat, and fiber than corn. Intake of higher amount of nutrients originated from corn in lactating sows may contribute to changes in milk composition and thus alter the growth of suckling piglets. Therefore, the objective of this study was to evaluate effect of supplementingDDGS in the diet of lactating sows on variation in the body weight of piglets. A total of 50 sows with parities of 3 to 5 were usedand allottedinto one of four treatments which included 0 (CON), 10% (DDGS10), 20% (DDGS20), or 30% (DDGS30) DDGS in the diet. Diets were fed to sows during the whole lactation period.Individual body weights of piglets were measured within 24 h after farrowing and at weaning. No significant differences were observed inthe coefficient of variation (CV) for body weight of piglets within a litter after farrowing and at weaning among the treatments (p>0.05). There was, however, a tendency of decreases in the CV for body weight of piglets within a litter at weaning compared with that after farrowingin the DDGS10 and DDGS20 treatments. At weaning, the percentage of the number of piglets weighing less than 4.5 kg in DDGS20 (4.86%, 7 out of 144; p<0.05) or DDGS30 (5.04%, 6 out of 119; p=0.059) was lower than that in CON (12.41%; 17 out of 137) although this pattern was not observed in DDGS10. In conclusion, addition of DDGS in lactating sow diets improved piglet performance by reducing the number piglets weighing less than 4.5 ㎏.
Development of web-based injury surveillance system using clearing data
Minho Song,Seongjin Hwang,Jungmin Yun,Peom Park 대한인간공학회 2012 대한인간공학회 학술대회논문집 Vol.2012 No.5
Objective: In this study, we constructed various injury-safety indicators for its objective using local injury-safety data. It makes analyzing local injury-safety situation systematically possible. Thus, our goal is to prevent people's injury and safety accident. Background: Currently, almost two hundred seventy two communities designated safe community globally and Korea designated total five communities at safe community. Even though communities' interests about safe community are increasing as people are being interested about injury-safety, injury-safety data of public institutions such as police station, fire station, national statistical office, school aren't being shared and these require a lot of effort and time to search data. Method: Clearing collectable safety accident data of public institutions such as police station, fire station, national statistical office, school and translating them as codes, we developed an analyzing system based on chart and table of injury surveillance database using MS SQL. Conclusion: Through web-based injury surveillance system, we are able to manage injury-safety data. Using statistical indicators, we can prevent injury controlling high risk injury, risk environment , risk agent and it is possible to accommodate safety promotion of local community.