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[논문]Operational Characteristics of CO2 Laser Adopted by Superposing-Discharge
Hee-Je Kim,Hyun-Ju Chung,Byoung-Dae Min,Jong-Han Joung,Sung- lun Park 釜山大學校生産技術硏究所 2003 生産技術硏究所論文集 Vol.62 No.-
오늘날 현저한 CO2 레이저의 응용 추세에 발맞추어 보다 다양한 형태의 출력 제어 기술이 대두되고 있다. 본연구에서는multi-Pulse Superposing-Discharge 기술을 이용하여 다양한형태의 CO2 레이저의 펄스를 성형 하였다. 펄스 성형을 위한 방법으로 PIC one-chip microprocessor를 이용하여 삼중 PFN 모률의 SCR을 각각 고유의 지연시간을 가지도록 제어하였다. 실험에 사용된 삼중 PFN 모률의 전원 회로는 각각 캐패시터 인덕터,SCR,고압 펄스 트랜스 그리고 고압 트랜스 2차측에 브릿지 정류기로 구성 하였다. 고압 펼스 트랜스의 1차측을 제어하므로서 PFN 모률의 동작을 저 전압에서 수행 할 수 있다. 트랜스의 2차측에 연결된 전파 정류기는 펄스 에너지를 부하에 지속적으로 전달한다. 본 연구에서는 삼중 PFN 모률의 각각의 SCR을 다른 시간 가격을 두고 트리거 하므로서 다양한 Long pulse shaping을 실현하였다. 또한 약 250-1000μs 의 주기를 가지는 다양한 펄스형 레이저 빔을 얻었다.
SOLUBILITY OF NITROGEN IN CLEAN EIRE EXTINGUISHING AGENTS AT HIGH PRESSURE
Kim,Jae-Duck,Lim,Jong-Sung,Lee,Youn-Woo,Lee,Youn-Yong 한국화재소방학회 1997 한국화재소방학회 학술대회 논문집 Vol.1997 No.-
Isothermal solubilities of nitrogen in clean fire extinguishing agents, such as bromotrifluoromethane (Halon-1301), bromochlorodifluoromethane (Halon-121 t), 1,1,1,2,3,3,3- heptafluoropropane (HFC-227ea), and trifluoroiodomethane (FIC-13I1) were measured in a circulation-type equilibrium apparatus. The temperature range was (293.2 to 313.2) K and the pressure range was (30 to 100) bar. The experimental data were well correlated with the Peng- Robinson equation of state using the Wong and Sandier mixing rules, and the relevant parameters are presented.
Sang Jun Song,Cheol Hee Park,Jong Whan Lee,Hyun Woo Lee,Kang Il Kim,Dae Kyung Bae 대한정형외과학회 2023 Clinics in Orthopedic Surgery Vol.15 No.3
In the article entitled “Infection and instability increasing the risk of patella baja and pseudo-patella baja after revision total knee arthroplasty” the name of one of the authors was incorrectly presented: Kand Il Kim should read Kang Il Kim.
원문 : 야외운동기구를 이용한 운동프로그램이 노인들의 활동체력, 대사증후군 위험인자 및 염증인자에 미치는 영향
양상훈 ( Sang Hoon Yang ),김종식 ( Jong Shik Kim ) 한국운동생리학회(구 한국운동과학회) 2014 운동과학 Vol.23 No.3
양상훈, 김종식. 야외운동기구를 이용한 운동프로그램이 노인들의 활동체력, 대사증후군 위험인자 및 염증인자에 미치는 영향. 운동과학, 제23권 제3호, 229-240, 2014. 본 연구는 여성노인 65세 이상 16명을 대상으로 8주간의 야외운동기구를 이용한 운동프로그램 참여가 활동체력, 대사증후군 위험인자 및 염증인자에 미치는 영향을 규명하였다. 활동체력의 경우 악력은 유의한 차이가 없었으나 하지근력과 유연성은 운동 후 유의하게 증가한 것으로 나타났다. 대사증후군 위험인자의 경우 HDL-C는 운동 후 유의하게 증가하는 것으로 나타났으며, glucose는 유의하게 감소하는 것으로 나타났다. 허리둘레, 수축기 혈압, 이완기 혈압, TG는 유의한 차이가 없었다. 염증인자의 경우 CRP, TNF-α 모두 운동 후 감소하는 것으로 나타났으나 유의한 차이는 없었다. 결론적으로 야외운동기구 운동프로그램은 하지근력, 유연성 강화와 HDL-C 증가, glucose 감소의 연구결과를 보았을 때 더 다양한 야외운동기구를 이용한 운동프로그램을 개발하고 지속적으로 운동의 효율을 높여간다면 노화를 지연시킬 뿐만 아니라 각종 질병을 방지하고 건강을 유지시키는 효과를 기대할 수 있을 것으로 사료된다. Yang, Sang-Hoon, Kim, Jong-Shik. The Effects of Exercise Program Outdoor Exercise Equipment on Activity Fitness, Metabolic Syndrome Risk Factors and Inflammatory Factors in the Elderly. Exercise Science, 23(3): 229-240. 2014. This study is for observing the influence of exercising in outdoor exercise facilities for 8 weeks on activity fitness, risk factors of insulin resistance syndrome and inflammatory factors in 16 females who are aged 65 years or older. The major results on this analysis are as follows: In parameters for activity fitness, there was no significant difference in grasping power but a significant increase in strength of lower limb muscles and flexibility after exercise. For risk factors of insul in resistance syndrome, there was a significant increase in HDL-C after exercise with a significant decrease in gl ucose. There was no significant difference in waist l ine, systol ic bl ood pressure, diastol ic bl ood pressure and TG. For inflammatory factors, there was a decrease in CRP and TNF-α after exercise with no significance. In conclusion, the results showing positive effects on physical fitness of lower limb muscles and physiological markers including HDL-C and glucose indicates that elderly women exercising in outdoor exercise facilities may have benefits of antiaging effect, prevent various diseases and stay healthy if efficiency of exercise using outdoor exercise facilities is continually improved in a variety of training programs.
행우서옥본(杏雨書屋本)『황제내경태소(黃帝內經太素)』 권(卷)21, 권(卷)27의 출간(出刊) 의의(意義)와 그 내용에 대한 고찰(考察)
김종현 ( Jong Hyun Kim ),백유상 ( You Sang Baik ),장우창 ( Woo Chang Jang ),정창현 ( Chang Hyun Jeong ) 대한한의학원전학회(구 대한원전의사학회) 2011 대한한의학원전학회지 Vol.24 No.5
『Hwangjenaegyeong-taeso(黃帝內經太素)』 is a classic work of Yang Sang-seon(楊上善), which comprises original articles of 『Hwangjenaegyeong(黃帝內經)』 along with 『Somun(素問)』, 『Yeongchu (靈樞)』, and 『gapeul(甲乙)』, as a one of the oldest annotated publications. Therefore, its significance lies in that 『Hwangjenaegyeong-taeso(黃帝內經太素)』 is a valuable work to reconstruct the original text of 『Hwangjenaegyeong(黃帝內經)』 and comprehend its fundamental ideas. The only printed edition of 『Hwangjenaegyeong-taeso(黃帝內經太素)』 was photocopied in 1981, and is currently known as ``Orient Edition``. While ``Orient Edition`` was referred to as the draft for the latest revised edition, volume 21 and 27 were photocopied from hand-copied edition, not the original. The original publications of ``Orient Edition`` have been stocked at ``Haengwuseook(杏雨書屋)`` of Japan and were recently published. Hence, a comparative study between the two original volumes and the former ones has been conducted. Although the most of the differences were trivial, some may have led to distorted interpretation of the text. The errors of the former revised edition fall into a few specific categories, and the most significant ones were errors that were made during the hand-copying procedure. Moreover, there were errors that were made due to the low resolution of the former draft, and simple errors during the publishing. In this work, examples of such cases were presented, and the results were collected.
김상운 ( Sang-un Kim ),정현종 ( Hyun-jong Jung ) 대한한의진단학회 2015 大韓韓醫診斷學會誌 Vol.19 No.1
Objectives This study intends to present the writing of standardized medical records based on Korean medicine on the basis of Geum-gwe-yo-ryak symptoms. Methods 1. Excluding the sentences unrelated to the Geum-gwe-yo-ryak symptoms, the symptoms in the rest of sentences were extracted. 2. Classifying the extracted symptoms as per the review of system, the similar symptoms were integrated. 3. Calculating the frequencies of each symptom, each strain rate was calculated. 4. The above results were compared with the results of existing similar study on Sang-han-ron(『傷寒論』) symptoms Results Conclusion 1. Resulting from the analysis on all sentences in Geum-gwe-yo-ryak, a total of 1486 different symptoms were extracted. 2. As results out of total, the symptom related to the temperature sensation accounted for 12.4%, that related to sweat did 3.8%, that related to thirst did 3.8%, that related to edema did 3.4%, that related to musculoskeletal system did 6.9%, that related to breathing did 8.6%, that related to chest and hypochondrium did 6.2%, that related to abdomen did 9.5%, that related to digestive system did 9.6%, that related to stool did 6.4%, that related to urination and urinary system did 5.7%, that related to mouth, eye, ear, nose, throat did 5.3%, that related to skin did 4.5%, that related to language, mind, sleep and emotion did 6.7%. 3. Compared with Sang-han-ron, Edema appear only in Geum-gwe-yo-ryak. Therefore, edema may be a characteristic symptoms of miscellaneous disease.
History of Bioelectrical Study and the Electrophysiology of the Primo Vascular System
Park, Sang Hyun,Kim, Eung Hwi,Chang, Ho Jong,Yoon, Seung Zhoo,Yoon, Ji Woong,Cho, Seong-Jin,Ryu, Yeon-Hee Hindawi Publishing Corporation 2013 Evidence-based Complementary and Alternative Medic Vol.2013 No.-
<P><I>Background</I>. Primo vascular system is a new anatomical structure whose research results have reported the possibility of a new circulatory system similar to the blood vascular system and cells. Electrophysiology, which measures and analyzes bioelectrical signals tissues and cells, is an important research area for investigating the function of tissues and cells. The bioelectrical study of the primo vascular system has been reported by using modern techniques since the early 1960s by Bonghan Kim. This paper reviews the research result of the electrophysiological study of the primo vascular system for the discussion of the circulatory function. We hope it would help to study the electrophysiology of the primo vascular system for researchers. This paper will use the following exchangeable expressions: Kyungrak system = Bonghan system = Bonghan circulatory system = primo vascular system = primo system; Bonghan corpuscle = primo node; Bonghan duct = primo vessel. We think that objective descriptions of reviewed papers are more important than unified expressions when citing the papers. That said, this paper will unify the expressions of the primo vascular system.</P>