PVD 코팅공구의 최적 절삭조건에 관한연구

백영남,김승조 慶熙大學校 材料科學技術硏究所 1998 材料科學技術硏究論集 Vol.11 No.-

The life of PVD coating bites is affected by the cutting conditions, such as feed rate, cutting depth and cutting velocity. The low carbon steel bars were cutted by a lathe with tool dynamometer. The cutting conditions were feed rates of 0.2∼0.3mm/rev., cutting depths 2∼3mm and cutting velocities between 500-700rpm. Data were analysed using both Taylor's tool life equation and modified Taylor's tool life equation.

人體 胃癌 및 胃炎에서의 CEA의 表現에 對한 免疫酵素 組織學的 硏究

元南熙,李大一,白承龍 고려대학교 의과대학 1982 고려대 의대 잡지 Vol.19 No.3

Carcinoembryonic antigen (CEA) isolated from adenocarcinomata of human digestive system and fetal or embryonic gut tissue is one of tumor associated antigens. In recent years, extensive studies to detect CEA in the blood as well as in the tissue of various conditions have been reported. However, characterization of CEA in the tissue of stomach cancer, common malignant tumor in Korea, has rarely been investigated. The author performed peroxidase-antiperoxidase immunohistologic study with anti-CEA antibody to determine the presence of CEA in 51 cases of gastric adenocarcinoma and 18 cases of chronic gastritis. All tissues examined were obtained with endoscopic biopsy, fixed in 10% formalin and embedded in paraffin. The findings were analysed and results obtained are as following. 1. CEA positive reaction to anti-CEA antibody was noted in 45 of the 51 cases with gastric cancer (88.2%). 2. Patterns of positive reaction to anti-CEA antibody of 45 CEA positive adenocarcinomas were focal in 9 cases (20.0%), moderate in 10 cases (22.2%) and diffuse in 26 cases (57.8%). 3. Comparing the pattern of CEA positive reaction with histologic differentiation of cancer cell, the differentiated type showed diffuse linear pattern along membrane the surface and undifferentiated type revealed focal positive pattern in the cytoplasm. 4. Of 18 cases with chronic gastritis, 8 cases of non-specific gastritis and 10 cases of intestinal metaplasia, CEA poistive reaction to anti-CEA antibody was noted in 4 cases at the lesion of intestinal metaplasia. The results obtained above suggest that presence of CEA in gastric cancer is detected 88% of cases, variable in pattern, partly depending on morphologic differentiation, and even exhibit in goblet cells in some intestinal metaplasia which is believed to be a precancerous condition of stomach cancer.

圓光醫大 附屬 第2病院 神經精神科 患者에 對한 統計的 考察(Ⅱ)

박민철,장광철,김상원,김한주,유미경,김훈,유용진,김현정,박남진,오상우,이귀행,노승호,백영석 圓光大學校 醫科大學 神經精神科學敎室 1992 圓光精神醫學 Vol.8 No.1

본 연구는 1986년 7월 11일부터 1991년 7월 10일까지 원광의대 부속 제2병원 신경정신과에서 의래 및 입원치료를 받았던 6,072명의 환자를 대상으로 병원 역학조사를 실시하고 그 결과를 1차조사 (박민철 등1986)와 비교했다. 1.전체 환자 중 남자가 54.4%로 여자보다 많았고, 이리와 이리 인접지역이 84.0%로 대부분의 지역을 나타났다. 의료보장상태는 보험환자가 57.1%, 의료보호환자21.8%, 일반환자 21.1%였으며 연령별로는 20대 24.6%, 30대 22.8%로 20대 30대가 절반정도를 차지했다. 2.외래환자에서는 신경중성장애가 46.0%로 가장 많고 정동장애, 경련성장애 순이며, 입원환자에서는 정신분열증이 30.5%로 가장 많고 기질성정신장애, 정동장애의 순이었다. 3.남자는 신경증성쟝애(23.4%), 정신분열증, 기질성정신장애 순이고 여자는 신경증성장애(39.9%), 정동장애, 정신분열증의 순이었다. 남자가 여자보다 많은 진단은 알코올정신장애(94.6%), 기질성정신장애, 소아정신장애 순이고, 여자가 남자보다 많은 진단은 정동장애(64.5%), 신경증성장애였다. 4.진단별 연령분포에서 신경증성장에는 30대(25.3%), 20대, 40대 순이고, 정신분열증은 20대(40.5%), 30대, 40대 순이며, 정동장애는 20대, 30대, 50대 순이나 비교적 비슷한 융이었다. 5.진단별 발병연령에서 신경증성장에는 20대, 30대가 절반이고,정신분열증은 20대(51.3%), 10대, 30대 순이며 정동장애는 20대(30.7%), 30대, 50대 순이었다. 진단별 평균 발병연령은 신경증성장애 32.7세, 정동장애 36.1세, 정신분열증 23.6세였다. 6.진단별 이병기간은 2년이상이 신경증성장에 28.3%, 정신분열증 68.5% 정동장애 43.9%인데 전체적으로 41.0%였다. 진단별 평균 이병기간은 정신분열증 73.2개월, 정동장애 45.5개월, 신경증성장애 29.5개월이었다. We examined epidemiologic study of 6,072 patients who visited Wonkwang Neuropsychiatric hospital since July 11 of 1986 until July 10 of 1991 and compared this results with previous study(Park et al 1986). The study revealed as follows:1. Of total patients males visited this hosptial more than females as 57.1%, Most of them(84.0%) resided Iri and neighbouring Iri. In the point of insurance, insured patients, medicaid patients and uninsured patients were 57.1%, 21.8% and 21.1% respectively. On the distribution of age, the twenties, the thirties were 24.6%, 22.8% respectively and twenties and thirties were about half of total patients. 2. Of outpatients neurotic disorder was the most as 46.0%, secondly mood disorder and thirdly convulsive disorder, but of inpatients schizophrenia was the most as 30.5%, secondly organic mental disorder and thirdly mood disorder. 3. Of males neurotic disorder was the most as 23.4%, secondly schizophrenia, and thirdly organic mental disorder, but of females neurotic disorder was the most as 39.9%, secondly mood disorder and thirdly schizophrenia. alcoholic mental disorder(94.6%), organic mental disorder, child mental disorder were mostly found in males,but mood disorder(64.5%) and neurotic disorder were mostly found in females. 4. On the distribution of age neurotic disorder was found the most in the thirties(25.3%), next in the twenties and in the forties, and schizophrenia was found the most in the twenties(40.5%), next in the thirties and in the forties, but mood disorder was found the most in the twenties, next in the thirties and in the forties but revealed similar rates relatively. 5. On the distribution of age of onset neurotic disorder developed nearly half during the twrnties and the thirties, schizophrenia developed mostly during the twenties (51.3%), secondly the teens and thirdly the thirties, but mood disorder developed firstly the twenties(30.7%), secondly the thirties and thirdly the fifties. on the average age of onset of illness neurotic disorder, mood disorder and schizophrenia were 32.7 years, 36.1 years and 23.6 years respectively. 6. On the duration of illness more than two years was 28.3% in neurotic disorder, 68.5% in schizophrenia and 3.9% in mood disorder and on the average duration of illness schizophrenia, mood disorder and neurotic disorder were 73.2 months, 45.5 months and 29.5 months respectively.

골절에 침 치료를 적용한 2013년 이후 증례보고 문헌고찰

백승원 ( Seung-won Paik ),남경호 ( Kyeong-ho Nam ),최승관 ( Seung-kwan Choi ),이정한 ( Jung-han Lee ),한윤희 ( Yun-hee Han ) 한방재활의학과학회 2021 한방재활의학과학회지 Vol.31 No.4

Objectives This study aimed to investigate the trend in treating fracture with acupuncture and to evaluate the quality of case reports. Methods All case reports of fractures treated with acupuncture were extracted from four Korean web databases. We classified these studies by five fracture sites and investigated frequently used meridian and acupoint, outcome measurements, treatment period. And we assessed the quality of the case reports by the STandards for Reporting Interventions in Clinical Trials of Acupuncture (STRICTA) guidelines. Results A total of 33 case reports were included. The outcome measurements were divided into six categories, and the outcome measurements used in more than three studies showed improvement in patient symptoms. The mainly used meridians for each fracture site were as follows: chest and abdomen (GB, LR, CV), back (BL, GB), upper limb (LI, TE), lower Limb (GB, ST, BL, SP). The most commonly used acupoints for each fracture site were as follows: chest and abdomen (Ashi points, GB24, GB25, GB26, LR13, LR14, CV16, CV17, CV18, CV19), back (BL23, BL24, BL25, BL26, BL40, BL51, BL52, BL60, GB34), upper limb (LI4, LI10, LI11, TE3), lower limb (GB34, GB40). According to the STRICTA guidelines, more than 54.54% of the reports were found to be ‘not reported’ or ‘not sufficient’ in the following categories: ‘response sought’, ‘description of participating acupuncturist’, and ‘number of needle insertions per subject per session’. Conclusions The meridians and acupuncture points frequently used for acupuncture treatment of fractures were near the fracture site. Future clinical studies involving acupuncture must be reported in accordance with the STRICTA guidelines to improve transparency and uniformity. (J Korean Med Rehabil 2021;31(4):49-63)

Chemical Characteristics of Goji berry (Lycium chinense Mill.) Facility Cultivation Soil

Seung Wan Son(손승완),Bong Chun Lee(이봉춘),Taek Yong Choi(최택용),Yoon Gyu Nam(남윤규),Seung Woo Paik(백승우),Hyun Gu Choi(최현구),Bo Hee Lee(이보희),Jeon Eui Song(송전의) 한국약용작물학회 2023 한국약용작물학회 학술대회논문집 Vol.2023 No.1

우측 뇌실 삼각부에 거대한 수막종 1례 : 증례보고 Case Report

백일서,정환영,오석전,김광명,김남규,함창곡,이승로,박문향 대한신경외과학회 1988 Journal of Korean neurosurgical society Vol.17 No.5

The authors present a case of huge intraventricular meningioma on the trigone of the right lateral ventricle of a 42-year old female. The mass was a huge multilobulated yellowish gray tumor, which was relatively rubberry hard. Intratumoral removal was performed by ultrasonic aspirator at ease. Later thin outer surface of the tumor was retracted and extirpated. Microscopic examination revealed transitional type of meningioma consisted of concentric whorls of elongated tumor cells and psammoma bodies. Occasionally the center of whorls contained capillary blood vessels. Postoperative cource was uneventful. Extremely minimal visual field defect was detected without the patient's subjective complaint.

High-Volume Plasma Exchange in Patients with Acute Liver Failure: Initial Experience in Single Liver-Transplantation Center

( Nam Joong Kim ),( Sejong Chun ),( Dong-hyun Sinn ),( Semi Kim ),( Wonseok Kang ),( Geum-youn Gwak ),( Yong-han Paik ),( Moon Seok Choi ),( Joon Hyeok Lee ),( Kwang Cheol Koh ),( Seung Woon Paik ),( 대한간학회 2018 춘·추계 학술대회 (KASL) Vol.2018 No.1

Aims: Acute liver failure is a serious condition which results in multiple organ failure. Recent study suggested that high-volume plasma exchange (HVP) defined as exchange of 8-12 or 15% of ideal body weight with fresh frozen plasma, improves survival in acute liver failure (ALF) patients. Herein, we report initial experience using HVP as a bridge treatment in patients with ALF at our center. Methods: We retrospectively reviewed consecutive 36 patients who were enlisted for a liver transplantation (LT) due to ALF between 2014 and 2017 at Samsung medical center in Korea. HVP was initiated in patients with ALF in May 2015 at our institution. The primary endpoint was comparison of overall survival before and after the implementation of HVP with intention-to-treat analysis. Results: There were 18 cases of ALF before HVP was adopted and 18 cases of ALF afterwards. Mortality was observed in 12 patients (33.3%). Among 18 patients who presented with ALF after implementation of HVP program, 9 patients received HVP (50.0%). The 60-day mortality rate was 88.9% and 59.3% for patients who received HVP and for patients who did not (P=0.111). In intention-to-treat analysis, overall outcome was improved after implementation of HVP (77.8% vs. 55.6% at 60-days), although the difference was statistically marginal (P=0.207). When stratified according to HVP and LT, 60-day survival rate was 100%, 80.0%, 66.7% and 33.3% for those with LT+/HVP+ (n=6), LT+/HVP- (n=15), LT-/HVP+ (n=3), and LT-/HVP-(n=12), respectively (P=0.013). Conclusions: In this real-world, intention-to-treat analysis, outcome was improved after HVP implementation for ALF patients. HVP can be a viable option to improve outcome for patients presenting with ALF.

Angioimmunoblastic Lymphadenopathy with Dysproteinemia -1예 보고-

원남희,김인선,백승룡 대한병리학회 1979 Journal of Pathology and Translational Medicine Vol.13 No.2

고환막에 생긴 섬유성 위종양

백승삼,김남훈,고영혜,박문향 대한병리학회 1995 Journal of Pathology and Translational Medicine Vol.29 No.4

자궁경부암 병소내 호산구 침윤에 관한 검색

원남희,이대일,백승룡 대한병리학회 1978 Journal of Pathology and Translational Medicine Vol.12 No.4