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전재석(Jaeseok Jeon),박현배(Hyunbae Park),문희석(Heeseok Moon),곽수진(Sujin Kwag) 한국자동차공학회 2013 한국자동차공학회 부문종합 학술대회 Vol.2013 No.5
In this paper, we described about evaluation of human sensibility using park assist system of the commercial vehicle. The perpendicular parking and parallel parking have been carried out as a user test and subjects are classified as beginning drivers, drivers with less than 1 year experience and over 3 years experience. As a result, parking duration of beginning drivers and drivers with less than 1 year experience who use automatic parking assistance system is similar to drivers with over 3 years experience. However error occurred according to sensor position and distance between vehicle and parking space. And also it occurred that the vehicle leaves from parking line or does not recognize the parking space. Therefore, if we improve its completeness by compensating problems that came up from this evaluation and distribute the automatic parking assistance system, it is expected that the park assistance system is to help driver providing convenience of parking.
조예슬(Yeseul Jo),박수진(Sujin Park),노관평(Gwan Pyeong Roh) 한국환경보건학회 2018 한국환경보건학회지 Vol.44 No.4
Objectives: The occurrence characteristics of BTEXS and phytoncides were investigated by type of urban forest. Methods: Four types of urban green space (Hongneung Forest, Mt. Chunjang, residential park, and traffic island) and Gwangneung Forest were selected. Monitoring of phytoncides and BTEXS was conducted considering the activity times of urban residents (five times per day) using a Tenax TA tube and suction pump in June 2017 (one day). Results: Phytoncide concentrations were ranked as Gwangneung Forest>Hongneung Forest>Mt. Cheonjang> traffic island>residential park. Relatively high concentrations of phytoncides were also identified in the urban forest. There was no significant difference between Gwangneung Forest and the urban forest. BTEXS concentrations were ranked as traffic island>residential park>Hongneung Forest>Gwangneung Forest>Mt. Cheonjang. Traffic island and residential park showed high levels of BTEXS depending on the inflow of vehicles. The difference in concentration by time was significant for the traffic island in particular. Pollutant levels in Hongneung Forest were as low as in Gwangneung Forest. Conclusion: The concentrations of phytoncides and BTEXS were different by types of urban green space, and the potential for health and hygiene of urban forests were able to be investigated. This study is expected to provide as basic data for the creation of urban forest spaces in the future.
Park, Sujin,Yang, Kyung-Min,Park, Yuna,Hong, Eunji,Hong, Chang Pyo,Park, Jinah,Pang, Kyoungwha,Lee, Jihee,Park, Bora,Lee, Siyoung,An, Haein,Kwak, Mi-Kyung,Kim, Junil,Kang, Jin Muk,Kim, Pyunggang,Xiao, Korean Society of Cancer Prevention 2018 Journal of cancer prevention Vol.23 No.1
<P><B>Background</B></P><P>Smad3 linker phosphorylation plays essential roles in tumor progression and metastasis. We have previously reported that the mutation of Smad3 linker phosphorylation sites (Smad3-Erk/Pro-directed kinase site mutant constructs [EPSM]) markedly reduced the tumor progression while increasing the lung metastasis in breast cancer.</P><P><B>Methods</B></P><P>We performed high-throughput RNA-Sequencing of the human prostate cancer cell lines infected with adenoviral Smad3-EPSM to identify the genes regulated by Smad3-EPSM.</P><P><B>Results</B></P><P>In this study, we identified genes which are differentially regulated in the presence of Smad3-EPSM. We first confirmed that Smad3-EPSM strongly enhanced a capability of cell motility and invasiveness as well as the expression of epithelial-mesenchymal transition marker genes, <I>CDH2</I>, <I>SNAI1</I>, and <I>ZEB1</I> in response to TGF-β1 in human pancreatic and prostate cancer cell lines. We identified <I>GADD45B</I>, <I>CTGF</I>, and <I>JUNB</I> genes in the expression profiles associated with cell motility and invasiveness induced by the Smad3-EPSM.</P><P><B>Conclusions</B></P><P>These results suggested that inhibition of Smad3 linker phosphorylation may enhance cell motility and invasiveness by inducing expression of <I>GADD45B</I>, <I>CTGF</I>, and <I>JUNB</I> genes in various cancers.</P>
Arctic Primary Aerosol Production Strongly Influenced by Riverine Organic Matter
Park, Jiyeon,Dall’Osto, Manuel,Park, Kihong,Kim, Jung-Hyun,Park, Jongkwan,Park, Ki-Tae,Hwang, Chung Yeon,Jang, Gwang Il,Gim, Yeontae,Kang, Sujin,Park, Sanghun,Jin, Yong Keun,Yum, Seong Soo,Simó American Chemical Society 2019 Environmental science & technology Vol.53 No.15
<P>The sources of primary and secondary aerosols in the Arctic are still poorly known. A number of surface seawater samples-with varying degrees of Arctic riverine and sea ice influences-were used in a sea spray generation chamber to test them for their potential to produce sea spray aerosols (SSA) and cloud condensation nuclei (CCN). Our interdisciplinary data showed that both sea salt and organic matter (OM) significantly influenced the SSA production. The number concentration of SSA in the coastal samples was negatively correlated with salinity and positively correlated with a number of OM tracers, including dissolved and chromophoric organic carbon (DOC, CDOM), marine microgels and chlorophyll <I>a</I> (Chl-<I>a</I>) but not for viral and bacterial abundances; indicating that OM of riverine origin enhances primary aerosol production. When all samples were considered, transparent exopolymer particles (TEP) were found to be the best indicator correlating positively with the ratio number concentration of SSA/salinity. CCN efficiency was not observed to differ between the SSA from the various samples, despite differences in organic characteristics. It is suggested that the large amount of freshwater from river runoff have a substantial impact on primary aerosols production mechanisms, possibly affecting the cloud radiative forcing.</P> [FIG OMISSION]</BR>
Suyeon Sun,Jenny Park,Baek Sujin,Haejin Chung,Jung Bokmoon,Park Sohyun,Seunghun Baek,Eung-Kyo Suh 한국차세대컴퓨팅학회 2021 한국차세대컴퓨팅학회 학술대회 Vol.2021 No.11
The main research topic of this study is how much ‘opinion mining’ of online comments on specific keywords reflects actual public opinion. In detail, we compared and analyzed how much the results of sentiment analysis for comments by platform reflect the actual opinion poll results. We analyzed the most mentioned keywords by platform and by parking in the comments classified as positive, and the most mentioned keywords by platform and by parking in the comments classified as negative. As a result of the study, it was found that the results of the polls were similarly reflected in the order of the Naver News model, Naver News + YouTube model, and YouTube model. In addition, it was possible to find out keywords with high interest by positive/negative public opinion through positive/negative word cloud analysis by parking and platform.
Sujin Park 한국영어학학회 2019 영어학연구 Vol.25 No.3
The main goal of this study is twofold. The first goal is to provide a Construction Morphology (CxM) analysis of OE [N N] Synthetic Nominal Compounds ([N V SF/-Ø]N SNCs), which may exhibit two internal structures ([[N V]V SF]N vs. [N [V SF]N]N) similar to the SNCs in Present-day English (PDE). Within the theoretical framework of ‘Word-based’ CxM (Booij 2010, Booij and Audring 2018), this study claims that OE [N V SF/-Ø]N SNCs can be seen as constructions consisting of two schemas for [N V]V verbal compounds (VCs) and [V SF/-Ø]N deverbal nouns (DNs), and tha t the forma tion o f OE SNCs ca n be better understood by assuming that the two schemas can be unified into one abstract schema for OE SNCs ([[Ni Vj]Vk SF/-Ø]Nm ↔ [Entity/Action/Resultant with ARGUMENT relation to SEMk]m). The second goal is to propose that the four types of OE [[N V]V SF/-Ø]N SNCs classified in this study receive full motivation from the unified abstract schema for OE [[N V]V SF/-Ø]N SNCs, and that the four type SNCs receive partial and multiple motivation from the three schemas for DNs, VCs, and base verbs, with which the four type SNCs are paradigmatically and systematically connected. A CxM analysis of OE SNCs has two important advantages that the possibility of making a generalization of OE SNCs, and that the unnecessariness of determining one ‘correct’ internal structure between two plausible ones.
A Constructional Analysis of Old English Nominal Compounds
Sujin Park 한국영어학학회 2018 영어학연구 Vol.24 No.3
Analysis of Old English Compounds. English Language and Linguistics 24.3, 1-45. This study provides a constructional analysis of Old English (OE) nominal (N) compounds (8,034 in total) based on the theoretical framework of Construction Morphology (Booij 2010c). A constructional analysis gives the solution to overcome the limitation of a traditional descriptive analysis, which makes a dichotomous classification, ‘Endocentric’ and ‘Exocentric’. This study mainly shows two things. First, OE N compounds are seen as constructions with form and meaning, and hence the formal and semantic properties of both regular and idiosyncratic N compounds can be simply and straightforwardly specified by abstract schemas (templates). Second, with the notion of ‘Default Inheritance’, this study demonstrates that both schemas for regular and idiosyncratic N compounds inherit the default properties from the most abstract schema for OE N compounds ([[X] k [N] i ] Nj ↔ [SEM i with relation R to SEM k ] j ) at the top of the hierarchy: a default override of idiosyncratic compounds is allowed. As a result, a classification of OE N compounds can be made in a unified and simple way with an inheritance tree.