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한상룡 가옥(현 가회동 백인제 가옥)의 원형과 조영개념
박상욱,Park, Sang-Wook 한국건축역사학회 2013 건축역사연구 Vol.22 No.4
The founder of the 'Paik In - Je House in Ga Hui Dong' in the Bukchon Hanok Village was found as Han Sang- Ryong (1880.11.14. ~ 1947.?) and the time when it was built was by the late June in 1913. Han Sang Ryong was the director of the HanSung Bank during the Japanese colonial period and he was the industrialist in the management committee and the economy coordinator in the economic area. The way how he could accumulate the huge amount of money was because his Uncle Lee Yoon Yong and Lee Wan Yong brothers were participating in various concessions under the protection of the colony government such as Chosun colonial government. Through seven years of preparation for building the mansion, the social function he presented to his house was 'the house built for the banquet hall'. He invited many celebrities of politics and economy to this house and built his fundaments for his social activity through interactions. To solve the construction concept, he used the way of 'duplicity and juxtaposition', and his mansion was reborn as a modernized urban Hanok through the reinterpretation by his program out of the old Confucian rules. Han Sang Ryong's mansion is significant and valuable in the period since it was a pioneer in challenging the creative housing in the developing stage of Hanok in early modern era, and the highest social level people were trying to show off through the Hanok as a product.
박상욱,오선호,박수완,임경수,최범석,박소희,김상원,한승완,한종욱,김건우,Park, Sangwook,Oh, Seon Ho,Park, Su Wan,Lim, Kyung Soo,Choi, Bum Suk,Park, So Hee,Ghyme, Sang Won,Han, Seung Wan,Han, Jong-Wook,Kim, Geonwoo 한국전자통신연구원 2020 전자통신동향분석 Vol.35 No.2
Predicting where and when a crime may occur in an area of interest is one of many strategies of predictive policing. Multidimensional analysis, including CCTV, can overcome the limitations of hotspot prediction, especially of violent crimes. In order to identify the precursors of a crime, it is necessary to analyze dynamic data such as attributes and activities of people, social information, environmental information, traffic flows, and weather. These parameters can be recognized by CCTV. In addition, it provides accurate analysis of the circumstances of a crime in a dynamic situation, calculates the risk, and predicts the probability of a crime occurring in the near future. Additionally, it provides ways to gather historical criminal datasets, including sensitive personal information.
Glutamate-Induced Serotonin Depletion in Fetal Rat Brainstem Cultures
박상욱,위명복,송동근,김용식,김영희,Park, Sang-Wook,Wie, Myung-Bok,Song, Dong-Keun,Kim, Yong-Sik,Kim, Yung-Hi The Korean Society of Pharmacology 1993 대한약리학잡지 Vol.29 No.2
흰쥐태 뇌간의 세포를 배양하여 glutamate에 6시간까지 노출시 glutamate의 농도 및 노출 시간에 의존적으로 세포내 5-HT 및 5-HIAA의 함량이 감소하였고, 배양액으로 LDH의 유출이 증가하였다. Tetrodotoxin은 glutamate의 작용을 차단하지 못하였다. NMDA 수용체 통로 봉쇄제인 MK-801에 의해 glutamate의 작용이 효과적으로 차단되었고, non-NMDA 길항제인 CNQX는 효과가 없었으므로, serotonin 신경세포에 대한 glutamate의 작용은 NMDA 수용체의 자극에 의한 것으로 사료된다. Exposure of dissociated cultures from fetal rat brainstem to glutamate for upto 6 h decreased cellular contents of 5-hydroxytryptamine and 5-hydroxyindoleacetic acid in a concentration- and time-dependent manner. In addition, glutamate induced lactate dehydrogenase leakage. Tetrodotoxin did not block the effects induced by glutamate. MK-801 $(1{\mu}M)$, an N-methyl-D-aspartate (NMDA) channel blocker, but not 6-cyano-2,3-dihydroxy-7-nitro-quinoxazoline $(CNQX;\;3{\mu}M)$, a non-NMDA receptor antagonist, blocked glutamate-induced effects, indicating that these glutamate-induced responses are mediated through NMDA receptors.
Tricaprylmethylammonium Chloride 에 의한 Methyl Methacrylate 의 라디칼 중합
박상욱,문진복,하유수,김종현 ( Sang Wook Park,Jin Bok Moon,Yoo Su Ha,Jong Hyeon Kim ) 한국공업화학회 1993 공업화학 Vol.4 No.2
Na_2S_2O_4 수용액과 CCl_4-toluene 용액의 2상에서 유기상에 용해하는 tricaprylmethylammonium chloride 상이동 촉매를 사용하여 methyl methacrylate의 라디칼 중합속도를 측정하여, 액-액 불균일계 접촉계면을 통한 라디칼 중합반응기구를 해석하였다. MMA의 중합속도는 수용액상에 존재하는 Q^+ 이온의 농도와 S_2O_4^(-2) 이온의 농도의 제곱근에 정비례하고 CCl_4와 MMA의 농도에 각각 정비례하였다. The phase-transfer polymerization of methyl methacrylate with tricaprylmethylammonium chloride-Na_2S_2O_4-CCl_4 initiator system was investigated in an aqueous-organic two-phase system. The observed rates of polymerization were compared with those obtained from the polymerization mechanism proposed with a cyclic phase-transfer initiation step. The rate of polymerization was found to be proportional to the concentration of Q^+ and square root of S_2O_4^(-2) in the aqueous solution and the feed quantity of CCl_4 and MMA.
박상욱,신정우,이무형,김태욱,Park, Sang-Wook,Shin, Jeong-Woo,Lee, Mu-Hyoung,Kim, Tae-Uk 한국항공운항학회 2015 한국항공운항학회지 Vol.23 No.1
In order to increase endurance flight efficiency of long endurance electric powered UAV, main wing of UAV should have high aspect ratio and low structural weight. Since a spar which consists of thin and slender structure for weight reduction can cause catastrophic failure during the flight, it is important to develop verification method of structural integrity of the spar with the light weight design. In this paper, process of structural analysis using non-linear finite element method was introduced for the verification of structural integrity of the spar. The static strength test of the spar was conducted to identify structural characteristic under the static load. Then, the experimental result of the spar was compared to the analytical result from the non-linear finite element analysis. It was found that the developed process of structural analysis could predict well the non-linear structural behavior of the spar under ultimate load.
900 MHz 대역을 포함한 WLAN/WiMAX 시스템에 적용 가능한 4중대역 안테나 설계 및 제작
박상욱,최태일,최영규,윤중한,Park, Sang-wook,Choi, Tea-Il,Choi, Young-kyu,Yoon, Joong-Han 한국정보통신학회 2019 한국정보통신학회논문지 Vol.23 No.10
본 논문에서는 마이크로스트립 급전 구조와 네 개의 분기 선로 그리고 접지면에 슬릿을 갖도록 설계하여 WLAN과 WiMAX 시스템에 적용 가능한 4중 대역 안테나를 설계 및 제작하였다. 제안된 안테나는 18.0 mm(W) × 50.0 mm(L) × 1.0 mm(h)의 유전체 기판 위에 16.0 mm(W1) × 48.0 mm (L8)의 크기로 설계하였으며 18.0 mm(W) × 18.7 mm(L6) 접지면에 2.9 mm(W7) × 4.0mm(L7)의 슬릿을 삽입하여 설계하였다. 제작 및 측정결과로부터 -10dB 기준으로 900 MHz에서는 60.8 MHz (873.0~933.8 MHz), 2.4 GHz 대역에서는 310 MHz (2.33~2.64 GHz), 3.4 GHz 대역에서는 420 MHz (3.39~3.81 GHz) 그리고 5.0 GHz 대역에서는 2,070 MHz (4.62~6.69 GHz) 대역폭을 얻었다. 또한 무반사실의 측정결과로부터 4중대역에서 이득과 방사패턴 특성을 나타내었다. In this paper, we designed a four-band antenna that can be applied to WLAN and WiMAX systems by designing a microstrip feeding structure, four branch lines and a slit on the ground plane. The proposed antenna is designed with a size of 16.0 mm (W1) × 48.0 mm (L8) on a dielectric substrate of 18.0 mm (W) × 50.0 mm (L) × 1.0 mm(h). and a slit of 2.9 mm (W7) × 4.0 mm (L7) is inserted into the ground plane of 18.0 mm (W) × 18.7 mm (L6). Based on -10 dB production and measurement results, it obtained 60.8 MHz (8,730~9,338 MHz), 310 MHz (2.33~2.64 GHz) in the 2.4 GHz band, 420MHz (3.39~3.81 GHz) in the 3.4 GHz band, and 2,070 MHz (4.62~6.69 GHz) in the 5.0 GHz. In addition, the gain and radiation pattern characteristics of the quadrant band are measured from the measurement results anechoic chamber.
박상욱,김이순,황원덕,김경철,Park, Sang-Wook,Kim, Yi-Soon,Hwang, Won-Deok,Kim, Gyeong-Cheol 대한약침학회 2011 Journal of pharmacopuncture Vol.14 No.1
Objectives: The aim of this experiment is to know about Effect of pulse-wave factors in Middle Aged Women by Mountain Cultivated Ginseng Pharmacopuncture. Methods: First 20 Middle Aged women are diagnosed by pulse diagnosis, and then Mountain Cultivated Ginseng Pharmacopuncture(1 injection 20cc) were injected. 30 minutes later, pulse diagnosis again performed. As a result, method of one-group pretest-posttes design were used for evaluation. Results: T(Total pulse cycle) time statistically significant increased on both left and right chon, kwan, cheok. T4 time statistically significant increased on both left and right chon, kwan, cheok. T4-T1/T indexs except left cheokmaek, Right cheokmaek observation area decreased significantly in four sites. Wm(indicating high pressure retention time) indexs increased significantly in the five sites were observed except right chon maek. Conclusions: Effect of pulse-wave factors in Middle Aged Women by Mountain Cultivated Ginseng Pharmacopuncture increased T, T4, Wm and decreased T4-T1/T indexs. The results of this experiment, Mountain Cultivated Ginseng Pharmacopuncture induced to increase the Pulse-wave's stability and strength.
폴리(트리메틸렌 테레프탈레이트-co-트리메틸렌 이소프탈레이트)의 열적 특성
박상욱,김영호,Park, Sang Wook,Kim, Young Ho 한국섬유공학회 2012 한국섬유공학회지 Vol.49 No.5
Poly(trimethylene terephthalate-co-trimethylene isophthalate) [P(TT-co-TI)] copolymers with various contents of TI unit were synthesized via a two-step process of transesterification and polycondensation in a high pressure reactor in order to modify the thermal properties of PTT. Effects of TI content on the crystallization and other thermal properties were investigated by DSC, TGA, polarizing microscope, and synchrotron WAXD analysis. DSC analysis indicated that the cold crystallization temperature ($T_{cc}$) increased and glass transition temperature ($T_g$) and melting temperature ($T_m$) decreased with increasing TI content in the copolymer. The radial growth rate of PTT spherulite formed during the decrease of melt-crystallization as TI content increases. The growth and melting of the PTT crystallite were also analyzed in-situ by synchrotron WAXD patterns. A decrease in both $T_m$ during the heating process and melt-crystallization temperature ($T_{mc}$) during the cooling process for P(TT-co-TI)s were confirmed by WAXD patterns. Although the incorporation of the non-crystallizing comonomer unit of TI into the crystalline body of PTT reduced the crystallization rate of PTT, it did not affect the spherulite formation and crystal structure of PTT. Isothermal TGA analysis revealed that the activation energy for isothermal degradation with weight loss up to 10% of P(TT-co-TI)s was 200~240 kJ/mol, depending on the weight loss and TI content in the copolymer.