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한국인의 온열쾌적감 평가 및 쾌적지표의 적용성에 관한 연구 : Part I : 청년층의 겨울철 체감실험 결과
김동규,김경철,김광호,박희욱,최광환 동의공업대학 1998 論文集 Vol.24 No.1
The purposes of this study are to investigate the correlation between SET*(PMV) and thermal sensation of Koreans through subjective judgement and to find out thermal comfort zone of Koreans indicated by SET*(PMV) as compared with ASHRAE Standard 55-74 comfort zone. In this paper, results of one series of experiments conducted in winter season are reported. The subjects wore standard uniforms and remained sedentary throughout the experiment. Skin temperature at 3 sites was measured. Thermal sensation and comfort sensation were voted every 15 minutes. The thermal sensation vote was consisted of a seven-point scale in which -3 was cold, -2=cool, -1=slightly cool, 0=neutral, +1=slightly warm, +2=warm, +3=hot. And the comfort sensation vote consisted of a four-point scale in which 0 was comfortable, +1=slightly comfortable, +2=uncomfortable, +3=very uncomfortable. The results in the winter subjective experiment were follows. 1) SET*(TSV=0) of young subjects was 25.5℃. 2) The thermally neutral zone of young subjects was 24.2∼26.8℃(SET*). This zone included ASHRAE comfort zone and was shown to extend to higher range. Part I : Analysis of Subjective Judgement in Winter Experiment
대류난방시 상하온도차가 인체의 온열 쾌적성에 미치는 영향
김동규,김광호,김경철,박태안,박희욱 동의공업대학 2000 論文集 Vol.26 No.1
Purpose of this study is first to show the effects of vertical air temperature differences on thermal comfort and physiological responses, and second to examine the acceptable vertical air temperature differences. In this experiments, 12 subjects (6 males and 6 females) were exposed at 12 test conditions. The subjects voted each 10 min, about his thermal feeling, and 7 skin surface temperature, the air temperature were measured every 20 second. From this experiments, it was found that the upper part temperature affects the thermal sensation more strongly than lower part temperature. In winter, the acceptable temperature differences drawn by this study are 3℃ in the case that the upper part temperature is higher than the lower part temperature.
Replication of<i>Vibrio cholerae</i>classical CTX phage
Kim, Eun Jin,Yu, Hyun Jin,Lee, Je Hee,Kim, Jae-Ouk,Han, Seung Hyun,Yun, Cheol-Heui,Chun, Jongsik,Nair, G. Balakrish,Kim, Dong Wook Proceedings of the National Academy of Sciences 2017 PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF Vol.114 No.9
Kim, Jae-Ouk,Rho, Semi,Kim, Su Hee,Kim, Heejoo,Song, Hyo Jin,Kim, Eun Jin,Kim, Ryang Yeo,Kim, Eun Hye,Sinha, Anuradha,Dey, Ayan,Yang, Jae Seung,Song, Man Ki,Nandy, Ranjan Kumar,Czerkinsky, Cecil,Kim, American Society for Microbiology 2015 CLINICAL AND VACCINE IMMUNOLOGY Vol.22 No.4
<P>In developing countries, <I>Shigella</I> is a primary cause of diarrhea in infants and young children. Although antibiotic therapy is an effective treatment for shigellosis, therapeutic options are narrowing due to the emergence of antibiotic resistance. Thus, preventive vaccination could become the most efficacious approach for controlling shigellosis. We have identified several conserved protein antigens that are shared by multiple <I>Shigella</I> serotypes and species. Among these, one antigen induced cross-protection against experimental shigellosis, and we have named it pan-<I>Shigella</I> surface protein 1 (PSSP-1). PSSP-1-induced protection requires a mucosal administration route and coadministration of an adjuvant. When PSSP-1 was administered intranasally, it induced cross-protection against <I>Shigella flexneri</I> serotypes 2a, 5a, and 6, <I>Shigella boydii</I>, <I>Shigella sonnei</I>, and <I>Shigella dysenteriae</I> serotype 1. Intradermally administered PSSP-1 induced strong serum antibody responses but failed to induce protection in the mouse lung pneumonia model. In contrast, intranasal administration elicited efficient local and systemic antibody responses and production of interleukin 17A and gamma interferon. Interestingly, blood samples from patients with recent-onset shigellosis showed variable but significant mucosal antibody responses to other conserved <I>Shigella</I> protein antigens but not to PSSP-1. We suggest that PSSP-1 is a promising antigen for a broadly protective vaccine against <I>Shigella</I>.</P>
A Study on Evacuation Safety of Trainingship HANBADA using FDS & maritimeEXODUS
KIM, Won-Ouk,HAN, Ki-Young,KIM, Dae-Hee The Korean Society of Marine Environment and safet 2017 海洋環境安全學會誌 Vol.23 No.3
In this study, it was simulated and analyzed the evacuation safety to identify the cadets' evacuation time by using maritimeEXODUS which is applied IMO MSC.1/Circ.1238 theory as well as the trim and heel which are the major factor of reducing the ship evacuation speed. In addition, this study carried out a simulation through the special program for fire analysis - FDS (Fire Dynamics Simulator) in order to find the effective evacuation time, i.e. life survival time. Particularly, this study did comparative analysis of the influence on the survival of cadets based on the collected simulation data by fire size and sort. As a result of the analysis, It was analyzed the Evacuation Allowable Limit Temperature $60^{\circ}C$ and resulted that there is no influence in evacuation by temperature. As a result of the analysis on visibility evacuation limit 5 m, it was found that the only one evacuation rallying point could not meet the evacuation safety. However, it derived the perfect evacuation safety under the condition of two rallying points available on wood fire. In case of Kerosene, it was satisfied the evacuation safety if the heeling was under $10^{\circ}$. Moreover, it could not meet the evacuation safety by evacuating through upper deck although there were two evacuation rallying points. When it was set by the lifeboat descending maximum angle-$20^{\circ}heel$ and $10^{\circ}trim$ which was described in SOLAS regulation, it was simulated that the wood fire having two evacuation rallying points in the center of the ship satisfied the evacuation safety.
Kim, Sung-Wook,Han, Tae Hee,Kim, Jongsoon,Gwon, Hyeokjo,Moon, Hyoung-Seok,Kang, Sang-Won,Kim, Sang Ouk,Kang, Kisuk American Chemical Society 2009 ACS NANO Vol.3 No.5
<P>The three-dimensional network of TiO(2) hollow nanoribbons designed from a peptide assembly using atomic layer deposition is demonstrated as a promising Li secondary battery electrode in this study. The nanoribbon network ensures effective transport of electrons and Li ions due to (i) a well-connected network of nanoribbons and (ii) the hollow structure of each nanoribbon itself, into which Li ions in the electrolyte can readily diffuse. The improved specific capacity, rate capability, and cyclability of the nanonetwork show that the utilization of a nanonetwork of individual hollow ribbons can serve as a promising strategy toward the development of high-performance electrode for Li secondary batteries.</P>
Kim, Dae Woo,Ok, Jong Min,Jung, Woo-Bin,Kim, Jong-Seon,Kim, Seon Joon,Choi, Hyung Ouk,Kim, Yun Ho,Jung, Hee-Tae American Chemical Society 2015 NANO LETTERS Vol.15 No.1
<P>Because the properties of molybdenum disulfide (MoS<SUB>2</SUB>) are strongly influenced by the sizes and boundaries of its domains, the direct visualization of large-area MoS<SUB>2</SUB> domains is one of the most important challenges in MoS<SUB>2</SUB> research. In the current study, we developed a simple and rapid method to observe and determine the boundaries of MoS<SUB>2</SUB> domains. The technique, which depends on observations of nematic liquid crystal textures on the MoS<SUB>2</SUB> surface, does not damage the sample and is not limited by domain size. Thus, this approach should significantly aid not only efforts aimed at gaining an understanding of the relationships between grain boundaries and properties of MoS<SUB>2</SUB> but also those focusing on how domain sizes are controlled during large-area synthesis</P><P><B>Graphic Abstract</B> <IMG SRC='http://pubs.acs.org/appl/literatum/publisher/achs/journals/content/nalefd/2015/nalefd.2015.15.issue-1/nl5034528/production/images/medium/nl-2014-034528_0005.gif'></P><P><A href='http://pubs.acs.org/doi/suppl/10.1021/nl5034528'>ACS Electronic Supporting Info</A></P>