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Angelica keiskei의 고지혈증 개선효과 및 2종의 플라본 7-O-배당체의 분리
박종철,조영숙,박석규,박정로,전순실,옥광대,최종원,Park, Jong-Cheol,Cho, Young-Sook,Park, Seok-Kyu,Park, Jeong-Ro,Chun, Soon-Sil,Ok, Kwang-Dae,Choi, Jong-Won 한국생약학회 1995 생약학회지 Vol.26 No.4
Two flavone glycosides were isolated from the aerial part of Angelica keiskei Koidz and identified by means of spectral analysis as luteolin-$7-O-{\beta}-{_D}-glucoside$ and Iuteolin-7-O-rutinoside. Intraperitoneal administration of methanolic extract(100mg/kg) and $luteolin-7-O-{\beta}-{_D}-glucoside(5mg/kg)$ isolated from this plant produced a significant hypolipemic activity.
정신과에 의뢰된 내과계 환자들에 대한 치료적 접근 - 정신사회적 측면 -
박종철,Park, Chong-Cheul 한국정신신체의학회 1993 정신신체의학 Vol.1 No.1
To become an effective and successful consultation-liasion psychiatrist the psychiatrist should consider two aspects of consultation before he/she meets his/her patients. First the psychiatrist should understand the internal need and psychological state of patients who visited their physician before being refered to a psychiatrist So psychiatrists should be careful in the evaluation of the patient's intention whether they are willing to accept the psychiatric treatment approach or not Second the psychiatrist should understand the situation and the physician's internal need in the consultation. Psychiatrists should recognize whether there are any factors which interfere with the mutual understanding and cooperation between physicians and psychiatrist.
박종철,Park, Jong-Chul 대한설비공학회 1989 설비저널 Vol.18 No.2
액체헬륨온도(4.2K)를 얻을 수 있는 극저온 소형 냉동기 개발과 정밀측정(전류, 자장, 전압 등)에 사용되고 있는 dc SQUID(초전도 양자간섭장치) 제작에 관하여 설명하였다. 이와 아울러 극저온 연구가 첨단과학 및 산업에 어떻게 응용하고 있는가와 국내외 연구현황에 대하여 간단히 기술하였으며 앞으로의 대책에 관하여 논의한다.
박종철,채흥석,이경수,Park, Jongcherl,Chae, Heungseok,Yi, Kyongsu 한국자동차안전학회 2018 자동차안전학회지 Vol.10 No.1
This paper presents an analysis on driving safety in lane change situation based on road driving data. Autonomous driving is a global trend in vehicle industry. LKAS technologies are already applied in commercial vehicle and researches about lane change maneuver have been actively studied. In autonomous vehicle, not only safety control issue but also imitating human driving maneuver is important. Driving data analysis in lane change situation has been usually dealt with ego vehicle information such as longitudinal acceleration, yaw rate, and steering angle. For this reason, developing safety index according to surrounding vehicle information based on human driving data is needed. In this research, driving data is collected from perception module using LIDAR, radar and RT-GPS sensors. By analyzing human driving pattern in lane change maneuver, safety index that considers both ego vehicle and surrounding vehicle state by using relative velocity and longitudinal clearance has been designed.
멀티주파수 초음파를 사용하는 피부 치료기기 트랜스듀서의 효율적인 주파수 제어 연구
박종철,김민성,Park, Jong-Cheol,Kim, Min-Sung 한국멀티미디어학회 2022 멀티미디어학회논문지 Vol.25 No.8
Ultrasound is one of the effective methods for skin treatment. The skin penetration depth of the ultrasound depends on the ultrasonic frequency, that is, when the ultrasonic frequency is high, the depth is shallow. We have developed a transducer which can generate effectively 3 different ultrasonic frequencies removing interference between 3 types of frequencies according to impedance matching technology. The generated powers of transducer are 40.67W at 3.MHz, 17.46W at 11.7 MHz, and 14.79W at 21.5 MHz. The signal interference between the three frequencies is designed so that they do not interfere with each other by separating the signals using the SPDT (Single Pole, Double Throw) switch. The developed hybrid ultrasound transducer can be applied in skin care or skin treatment and beauty therapy.