개인용 컴퓨터를 이용한 습공기성질의 계산

조성환,Cho, Sung-Hwan 대한설비공학회 1986 설비저널 Vol.15 No.1

『상한론(傷寒論)』 변병진단체계(辨病診斷體系)에 근거하여 치료한 음양이차후노복병(隂陽易差後勞復病) 증례 4례

조성환,이성준,Cho, Seong-Hwan,Lee, Sung-Jun 대한상한금궤의학회 2016 대한상한금궤의학회지 Vol.8 No.1

Objective : This study is to report 4 Eumyangyeokchahunobok-byung cases diagnosed and treated according to newly hypothesized Eumyangyeokchahunobok-byung definition based on Shanghanlun disease pattern identification diagnostic system. Methods : We analyzed 4 clinical cases diagnosed with Eumyangyeokchahunobok-byung and treated by herbal medicine, which included in Eumyangyeokchahunobok-byung chapter of Shanghanlun according to newly hypothesized definition. Results : Dermatology Life Quality Index decreased from 25 to 10 on first patient, dizziness handicap inventory decreased from 64 to 2 on second patient, dizziness handicap inventory also decreased from 56 to 2 on third patient, and fatigue severity scale decreased from 7 to 2 on fourth patient. Conclusions : Not only all the patients' chief complaints relieved but their other clinical problems such as allergic rhinitis, body pain, constipation, reflux esophagitis also improved. These results highly insist that there is quite a possibility that Eumyangyeokchahunobokbyung means various diseases caused by reversed sleep cycle.

개 담관세포암(膽管細胞癌)의 1예(例)

조성환,김덕환,김교준,권오덕,박노태,Cho, Sung Whan,Kim, Duck Hwan,Kim, Kyo Joon,Kwon, Oh Deog,Park, No Tai 충남대학교 농업과학연구소 1986 Korean Journal of Agricultural Science Vol.13 No.2

식욕부진(食慾不振) 및 복부팽만(腹部膨滿)을 충남대학교(忠南大學校) 농과대학부속가축병원(農科大學部屬家畜病院)에 의뢰(依賴)된 11년(年)된 암컷 잡종견(雜種犬)을 병리조직학적(病理組織學的)으로 관찰(觀察)한 바 담관세포암으로 진단(診斷)하였고 그 결과(結果)는 다음과 같다. 임상적(臨床的) 소견(所見)으로 복부팽만(腹部膨滿), 식욕부진(食慾不振), 호흡곤란(呼吸困難), 및 침울(沈鬱) 등(等)을 관찰(觀察)할 수 있었고, 혈중(血中) GOT, GPT, LDH 및 BUN등(等)은 정상치(正常値)보다 증가(增加)하였으며 총단백량 및 Albumin 은 약간 감소(減少)하였다. 육안적(肉眼的) 소견(所見)으로 간장(肝臟)은 종대, 표면(表面)에는 많은 백색(白色)의 꽃양배추양 결절(結節)이 있었으며 직경(直徑) 3~4cm의 낭형성(囊形成)이 있었다. 낭내(囊內)에는 황백색(黃白色)의 교상물질(膠狀物質)이 차 있었다. 해부학적(解剖學的)으로 본종양을 간내(肝內) 담관암으로 분류(分類)하였다. 조직학적(組織學的)으로 본종양은 관상암과 담관낭종암이 혼합(混合)되어 있었으며 관상암은 관상구조(管狀構造)가 특징(特徵)으로 내피세포(內皮細胞)는 입방형(立方形) 또는 원계형(圓桂形)이며 결합조직(結合組織)의 증식(增殖)을 볼 수 있었다. 그리고 담관낭종암은 단층(單層)및 중층입방형(中層立方形) 또는 국주형세포(國柱形細胞)로 덮혀 있었다. On 11-year-old female mixed-breed dog with chief complaints of existence of abdominal enlargement and anorexia was referred to the veterynary teaching hospital of Chungnam National University. The dog was diagnosed into cholangiocarcinoma by the result of the histopathological observation. The results observed are summarized as follows: The clinical signs were abdominal enlargement, anorexia, dyspnea and depression. There were marked increase in serum glutamic pyruvic transaminase(GPT), serum glutamic oxaloacetic transaminase(GOT), lactic dehydrogenase(LDH) and blood urea nitrogen(BUN). Serum total protein and albumin were slightly below normal. In gross finding, the liver was enlarged and friable with numerous white, cauliflower-like nodules over the surface and composed on cysts from 3 to 4 cm in diameter. The cystic lesions contained a yellow gelatinous material. Anatomically, this neoplasm was classified as intrahepatic bile duct carcinoma. Histologically, this neoplasm was combined tubular carcinoma with bile duct cystadenocarcinoma. The former were characterized by tubular structures lined by anaplastic cuboidal or columnar cells with diffuse fibrous stroma, and the latter by multiple cystic structures lined by simple and stratified cuboidal or columnar cells.

PVC 배관부품의 마찰 손실

조성환,최진희,Cho, Sung-Hwan,Choi, Jin-Hee 대한설비공학회 1984 설비저널 Vol.13 No.4

Friction factors and equivalent sand roughness of PVC pipe fittings have been studied by experiments in the Reynolds number range of $2,000\~70,000$. PVC pipe fittings studied are straight pipes, $90^{\circ}$ elbows and tees with 15, 25, and 40mm in norminal diameter, all manufactured in Korea with KS mark approval. Equivalent relative roughness of PVC pipes obtained lies between smooth pipe and 0.002. The study shows that equivalent sand roughness of PVC pipes increasses in proportion of the square root of pipe diameter , and can be approximately abtained by multiplying 4 to the root mean square value measured by metal surface roughness tester. Loss coefficient of PVC $90^{\circ}$ elbows decreases slowly with increasing Reynolds number. Loss coeffiicent of tees is a function of ratio of flow rates and Reynolds number.

Analysis of Ground Heat Loss in Ondol Heating Systems

조성환,김관호,Cho, Sung-Hwan,Kim, Kwan-Ho 대한설비공학회 1978 설비저널 Vol.7 No.3

온돌 난방계통에서 지면을 통한 열손실을 수학적으로 등각사상과 변수변환방법을 사용하여 해석하였다. 2차원 및 3차원 해석 결과를 얻었다. 난방되는 주택은 직사각형이라고 가정하였다. 그림 2를 사용하여 평균 지면 열손실을 구할 수 있다. 열 특성치가 열 손실에 미치는 효과에 대하여 설명되었다. 열손실을 구하는 수치적 보기를 주었다. Heat loss to the ground in ondol heating system is analyzed mathematically using conformal mapping and variable transformations, Both two-and three-dimensional systems are analyzed. Heated house is assumed to be rectangular shape. Mean value of heat loss to the ground can be obtained using Figure 2. Effects of thermal parameters to heat loss are discussed. Numerical examples are also given.

ANALYSIS OF UNIFORM STRAIGHT WITH TEMPERATURE-DEPENDENT THERMAL CONDUCTITY AND HEAT TRANSFER COEFFICINT

조성환,Cho, Sung-Hwan 대한설비공학회 1979 설비저널 Vol.8 No.3

열전도계수와 열전달계수가 모두 온도에 따라 면하는 균일 단면의 직선휜에서의 온도분포와 열전달에 관한 일반해를 구하였다. 휜재질의 열전도제수와 펄과 주위 유체 사이의 열 전달계수는 온도에 관한 임의의 함수일 수 있다. 직사각형 단면의 천에서 해소중량 조건을 해석하였다. 몇 가지 특별한 경우에 대한 수치 결과는 그라프형태로 주어졌다. A general solution for temperature distribution And heat transfer for a uniform straight fin is yen. Thermal conductivity and heat transfer coefficient between the fin and the surrounding fluid can be arbitrary functions of temperature. Minimum weight conditions for a rectangular fin are analyzed, Numerical results for some special cases are given in graphical forms.

한국인삼(韓國人蔘)의 Saponin에 관(關)한 연구(硏究) [제1보(第一報)] - Saponin fraction별(別) 정량방법(定量方法)에 관(關)하여 -

조성환,조한옥,김재욱,Cho, Sung-Hwan,Cho, Han-Ok,Kim, Ze-Uook 한국응용생명화학회 1976 Applied Biological Chemistry (Appl Biol Chem) Vol.19 No.4

인삼중(人蔘中)에 함유된 dammarane glycoside들을 glycoside 수준(水準)에서 fraction별(別)로 정량(定量)하는 방법(方法)으로 2차원(次元) TLC법(法)에 의해 분리(分離)된 glycoside를 용출(溶出)하여 Vanillin-$H_2SO_4$ 발색법(發色法)으로 정량(定量)하는 방법(方法)을 검토하는 동시에, 1차원(次元) TLC법(法)으로 SAPONIN FRACTION을 분해(分解)하고 이것을 thinchrograph TFG-10 및 digital densitorol DMU-33c에 걸어 각(各) fraction별(別)로 saponin을 정량(定量)하였다. 1. 2차원(次元) TLC를 병용(竝用)한 Vanillin-$H_2SO_4$ 비색법(比色法)은 각(各) fraction의 정리(定離)는 용이하였으나, 각(各) spot를 동정(同定)하기가 어려웠다. 2. Thinchrograph를 이용하여 saponin를 정량(定量)하는 경우, 비교적 감도(感度)가 높은 ginsenoside의 peak를 얻을 수 있었으나, 동일(同一)한 정량조건(定量條件)에서 표품(標品)과의 대조실험(對照實驗)이 병행(竝行)해야 하므로 표품(標品)의 입수가 어려워, 각(各) peak에 해당하는 saponin동정(同定)이 불가능하였다. 3. Densitometer의 경우 thinchrograph보다 그 감도는 떨어지나, 사용법이 간편하고, 쉽게 각(各) fraction을 동정(同定)할 수 있어 TLC에서 분리(分離)가 좋은 용매를 사용한다면 비교적 정확도가 높은 정량치를 얻을 수 있을 것이다. In this paper, new methods for the determination of the total and the individual saponin glucosides were proposed. One of them was a colorimetric method following Two-dimensional Thin layer chromatography. And the method employing Thinchrograph TFG-10 or Densitorol DMU-33C followed the separation of the saponins by means of a preparative thin layer chromatography. In accordance with the density of the chromatogram of each saponin, Thinchrogram or Densitogram of the individual saponin fraction was plotted and determined.

『상한론(傷寒論)』 궐음병(厥隂病)에 대한 고찰: 변병진단체계(辨病診斷體系)에 입각해 치료한 증례 2례에 근거하여

조성환,윤효중,이성준,Cho, Seong-Hwan,Yun, Hyo-Joong,Lee, Sung-Jun 대한상한금궤의학회 2017 대한상한금궤의학회지 Vol.9 No.1

Objective : This study is to propose a new hypothesis about the interpretation of Jueyinbing in Shanghanlun by studying 2 Jueyinbing cases. Methods : We analyzed the original form of the chinese characters 'Jue(厥)', 'Jueyin(厥陰)' and 'Huoluan(?亂)' and tried to understand their contexts in Shanghanlun. At the same time, we analyzed 2 clinical cases diagnosed and treated as Jueyinbing according to newly hypothesized definition. Results : Both patients suffered from eye diseases which caused by concentrating on a sophisticated work by straining their hands, feet and chest during the night time. After the herbal intervention, their eye diseases are improved firstly. The National Eye Institute 25-item Visual Function Questionnaire (NEI-VFQ) score increased on both patients. Not only all the patients' chief complaints relieved but their other clinical problems such as limb pain, hand tremble also improved. Conclusions : These results highly insist that, at least in 15 characters provision of Shanghanlun, Jueyinbing had had the different usage from the conventional terminology, and it is assumed that Jueyinbing means the disease made by concentrating on a sophisticated work by straining hands, feet and chest during night time.

항공사 안전관리시스템에 대한 조종사의 인식과 안전행동에 대한 연구

조성환,김기웅,박성식,Cho, Sung Hwan,Kim, Ki Woong,Park, Sung Sik 한국항공운항학회 2014 한국항공운항학회지 Vol.22 No.2

This paper has tried to research the perception of pilots in a commercial airliners or full service carriers focusing on the airliner's safety management system (SMS). ICAO requires the airliners to set up the basic standards of SMS since the SMS is believed to be the core of the aviation risk management. According to the previous study, it was proved safety climate of an airline affects the safety behavior of cockpit crews. Safety climate is different from safety culture and the safety climate has an advantage to be measured more quantitatively than the culture. That is, the safety climate could be represented as SMS. As the results of the empirical study based on Chen & Chen(2014)'s SMS practice sacle, it had been assumed at the beginning the major factors such as Clarification of SMS, Safety Training for Crews and Sharing of SMS Information have positive effects on the motivation for safety behaviors. The motivation is directly correlated to crews' safety behaviors. However, the result showed the clarification of SMS has not a significant effect on their safety behaviors. The main reason is cockpit crews, through the survey, perceived airline seemed to have no definite standards of SMS and the senior management to have less interest in aviation safety.

MMAS 기법에 의한 지적불부합지 탐색기법

조성환,허용,Cho, Sung-Hwan,Huh, Yong 한국국토정보공사 공간정보연구원 2015 지적과 국토정보 Vol.45 No.2

This paper suggests the MMAS(Map Matching using Additional Surveying) method to improve the cadastral discrepancy search algorithm that currently does not include corrections of mis-represented parcel data. The MMAS is a method to search for cadastral discrepancy after correcting mis-represented parcel data using nearby anchor points confirmed by surveys. The MMAS first transforms the coordinate system of the digital cadastral map by overlaying anchor points obtained in the field surveying process over the corresponding edges of buildings and facility points on the digital topographic map. Then, it searches for cadastral discrepancy by checking if the area differences exceed the tolerance limit. This method improves the current method for searching for cadastral discrepancy by performing the process after correcting extortion of the digital cadastral map. This helps to identify cadastral discrepancies that are not detectable within the distorted digital cadastral map. With our experiment, this method identified more discrepancies compared to the method without the correcting the distortion of the digital cadastral map. We believe this method will be able to help the national cadastral re-survey by identifying potential cadastral discrepancy more accurately. 본 논문은 현재의 지적불부합지 탐색 방법이 지적경계의 현행화 과정 없이 이루어지는 것을 보완하기 위하여 지적경계 현행화 기반의 탐색 기법인 MMAS를 제안하고자 한다. MMAS는 지적측량 시 취득한 측정점 주변 고정물을 이용하여 지적경계를 현행화한 후 지적불부합지를 탐색하는 기법이다. MMAS 처리 순서는 우선 지적도와 지형도로부터 동일한 대상 영역을 추출하여 대상 영역에 존재하는 지적측량 시 취득한 측정점 주변 고정물과 이에 대응하는 수치지형도의 시설물 그리고 지적 필계점과 담장 경계점을 이용하여 대응쌍을 생성한다. 생성된 대응쌍을 기준으로 현행화를 수행하고, 마지막으로 현행화 후의 면적 오차를 계산하여 공차범위 내 포함 여부를 확인하여 잠재적 지적불부합 대상 필지를 분류한다. 제안 기법은 현재의 지적불부합지 탐색기법이 지적경계의 현행화가 배제된 토지(임야)대장 상의 면적만을 고려한 방법의 한계점을 보완하고, 현행화된 지적경계에 의한 좌표면적의 산출을 통해 지적불부합지 현황 조사의 범위를 잠재된 지적불부합지까지 확장하는데 의의가 있다. 제안 기법에 의해 잠재된 지적불부합지 필지를 탐색한 결과 지적경계의 현행화 이전의 결과보다 증가된 불부합 필지를 탐색할 수 있었다. 제안 기법은 현재 잠재되어 있는 지적불부합 필지를 탐색할 수 있는 방법이 없는 상황에서 지적재조사를 위한 지적불부합지 탐색에 적용 가능할 것으로 판단된다.