Influence of Al2O3 Content and Cooling Rate on Crystallization in Fe2O3–CaO–SiO2–Al2O3 Systems

Tae Jun Park,Joon Sung Choi,Dong Joon Min 대한금속·재료학회 2022 METALS AND MATERIALS International Vol.28 No.9

The behavior of silico-ferrite of calcium and aluminum (SFCA) phases and the influence of sintered ore quality were investigatedusing a confocal laser scanning microscope to understand how the Al2O3content of iron ore affects the sintered orestructure and the crystallization behavior of SFCA in a Fe2O3–CaO–Al2O3–SiO2 pseudo-quaternary system. The experimentalresults were used to inform simulations of the heterogeneous dynamic behavior in response to the rapid temperature changesand various chemical compositions typically encountered in actual sintering processes. Increasing the Al2O3content in theFe2O3–CaO–Al2O3–SiO2 pseudo-quaternary system led to the hematite content decreasing, which affects the reducibilityof the sintered ore. The correlation between the creation of SFCA and the cooling effect associated with varying the Al2O3is discussed in detail.

낙후 원도심 거주환경의 물리적 기능적 만족도와 심리적 정서적 만족도의 거주기간에 대한 영향력 비교 분석

안동준(Ahn, Dong-Joon),박성용(Park, Sung-Yong) 대한건축학회 2018 대한건축학회논문집 Vol.34 No.7

The goal of this research is to compare influences for living periods between physical functional satisfaction and psychological emotional satisfaction in a ghetto area. The research site is ‘Sujin1 dong’ in Sungnam city which is one of the oldest residential areas in the city. Based on the analysis of the urban contexts for the research site, surveys are conducted to gather the data which are treated by several statistical techniques: ‘Factor analysis’, ‘Reliability Analysis’, ‘Multiple regression analysis’. Through the statistical process, conclusions are drawn as follows. In the ghetto urban area, ①-The higher the psychological emotional satisfaction, the longer the living period, ②-The longer the residence period, the lower the physical and functional satisfaction, ③-The two satisfactions tend to be opposite to each other according to the living period. ④-The psychological emotional satisfaction is more related with living period than the physical and functional satisfaction is.

당뇨병 환자에서 발생한 대장 가성폐색증 1예

이재형,강준구,박준성,이창범,박용수,김동선,함준수,김태화,안유헌,박충기 대한당뇨병학회 2002 임상당뇨병 Vol.3 No.2

가성 장폐색은 기계적인 폐색부위가 없이 복부팽만과 구토 등 장폐색의 증상과 징후가 나타나는 질환을 말하며, 선행원인을 찾을 수 없는 원발성 가성 장폐색과 다른 질환에 이차적으로 발생하는 속발성 가성 장폐색으로 나눌 수 있다. 당뇨병은 잘 알려진 속발성 가성 장폐색의 원인이지만 실제로 당뇨병에 의한 가상 장폐색의 발생 빈도는 매우 드문 것으로 보이며, 가성 장폐색의 적절한 치료에 대해서는 아직 논란이 있다. 저자들은 2형 당뇨병 환자에게 대장에 국한된 급성 가성 장폐색을 진단하고 보존적 치료를 시행하여 호전된 1예를 경험하였기에 문헌고찰과 함께 보고하는 바이다. Colonic pseudo-obstruction is a disorder characterized by gross dilatation of the colon in the absence of any anatomic lesions, which obstructs the flow of the intestinal contents. Diabetes is a well known cause of secondary pseudo-obstruction but its prevalence in rare and not well understood. A 59-year-old woman patient was admitted due to abdominal distension and nausea of a day's duration. She was diagnosed with diabetes 15 years ago, but the condition had been poorly controoled. On the abdominal radiographs, there were marked small and large bowel dilatation with the, exception of the descending colon. Our initial diagnosis was mechanical obstruction, but the possible causes were not found. Also, we could not find another cause of the secondary pseudo-obstruction, with the exception of diabetes mellitus. Thus, she was diagnosed with a diabetes induced intestinal pseudo-obstruction. The colonic dilatation was resolved by conservative management and she became comfortable in 10 hospital days, and was subsequently discharged.

우리나라에서 솔껍질깍지벌레의 분포확산

임유진,이상명,김동수,김준범,최광식,이신혜,박정규,이동운,Lim, Eu-Gene,Lee, Sang-Myeong,Kim, Dong-Soo,Kim, Joon-Bum,Lee, Shin-Hye,Choi, Kwang-Sik,Park, Chung-Gyoo,Lee, Dong-Woon 한국응용곤충학회 2012 한국응용곤충학회지 Vol.51 No.1

솔껍질깍지벌레는 우리나라 곰솔림의 주요한 해충의 하나이다. 본 연구는 우리나라에서 솔껍질깍지벌레의 분포를 알아보기 위하여 7개도 3개 광역시, 91개 시군구, 686 읍면동의 해송림에서 2010년 밀도를 조사하였다. 5개도 2개 광역시에서 솔껍질깍지벌레가 서식하고 있었는데 시군구별로는 조사대상의 64.8%인 59개 시군구에서 서식이 확인되었다. 솔껍질깍지벌레의 분포는 남해안 전역과 동해안의 포항, 서해안의 충남 보령지역까지 분포하였다. 충북과 대전광역시 및 제주도에서는 솔껍질깍지벌레의 분포가 확인되지 않았다. 부산지역은 16곳의 모든 구에서 솔껍질깍지벌레가 분포하였고, 시군 단위에서는 전남 해남군의 솔껍질깍지벌레 평균밀도가 1.713마리/0.785 $cm^2$로 가장 높았으며 읍면동 단위에서는 해남군 송지면이 6.36마리/0.785 $cm^2$로 가장 높았다. 곰솔 가지 내의 솔껍질깍지벌레 밀도와 솔껍질깍지벌레가 서식하고 있는 빈도와는 높은 상관관계가 있었다(상관계수=0.89). The black pine bast scale, $Masucoccus$ $thunbergianae$ (Hemiptera: Margarodidae), is a serious pest of the Japanese black pine, $Pinus$ $thunbergii$, in Korea. The distribution of the black pine bast scale was examined, looking overall at 686 towns (eup), townships (myeon) or neighborhoods (dong). There were Japanese black pine ($Pinus$ $thunbergii$) forests in 91 cities, counties (gun) and borough (gu), in seven provinces and three metropolitan cities during 2010. Black pine bast scale were found in 64.8% of cities or counties or borough (59) in 7 provinces and 3 metropolitan cities, and were distributed in all South Costal regions, Pohang in East Costal region and Boryeong in West Costal region. Chungcheongbukdo, Daejeon and Jeju did not have black pine bast scale. All the gu regions in Busan had black pine bast scale, of which the area with the highest prevalence was Haenam in Jeollanamdo (1.713 crawlers/0.785 $cm^2$). Songji-myeon had the highest occurrence rate (6.36 crawlers/0.785 $cm^2$) from the towns, township and dong. The density of black pine bast scale in twigs was highly correlated with percentage of the sample with scale (Correlation coefficacy=0.89).

한국 장애인체육 발전을 위한 증진 방안

박준동,신동철,김순금,김부환 東亞大學校附設스포츠科學硏究所 2003 스포츠科學硏究論文集 Vol.21 No.-

The purpose of this study is to find ways of promoting and developing sports for the disabled in Korea. For the purpose, this researcher made a literature research about the matter, and proposed the following ways of promoting such sports. 1. Change in competent authorities of sports for the disabled 2. The supplementation, enactment and revision of laws applicable to sports for the disabled 3. Improvement in the social recognition of disabled persons and sports for the disabled and increased participation in such sports 4. The expansion and increased use of facilities of sports for the disabled and the development of supplementary convenience facilities 5. Increase in administrative and financial supports to bodies of sports for the disabled 6. The training and increased allotment of instructors of sports for the disabled 7. The development and active distribution of special sport programs 8. The promotion of sport events for the disabled and the training of professional disabled players 9. Strengthening of systems of the information of sports for the disabled 10. Promotion of special school sports

총단관결찰로 인한 血淸蛋白分劃像의 變化

朴東烈,曺準承 慶北大學校 醫科大學 1980 慶北醫大誌 Vol.21 No.1

총단관결찰후에 血淸蛋白分劃像이 어떻게 變動하는가를 보기 위하여 一定한 其間 같은 條件下에서 동육한 쥐를 使用해서 手術前 正常 血淸과 단관결찰 24, 48 및 72時間째의 血淸을 分離하여 cellulose acetate膜을 利用한 電氣泳勳을 實施해 서 그蛋白分劃像을 調査해 보았다. 正常 쥐血淸의 總蛋白濃度는 7.12 g/dl, albumin 3.11 g/dl (43.6%), α_1-globulin 0.15g/dl(2.1%), α_2-globulin 0.79 g/dl(11.1%), β-globulin 1.71g/dl(24.1%), γ-globulin 1.36 g/dl(19.1%)이었으며 이의 A/G 比는 0.77이었다. 쥐 血淸의 蛋白分劃은 사람血淸의 그것과 比較해서 A/G 比와 albumin및 α_1-globulin의 濃度가 낮고 β-globulin의 濃度는 높았다. 총단관을 結紮한 後의 血淸蛋白의 電氣泳動像은 變動을 나타내었다. 卽 단관결찰 72時間뒤에는 γ-globulin이 約半으로 減少되고 β-globulin은 增加 되었으며 其他의 蛋白分劃에는 別다른 變動이 없었다. Change in eletrophoretic patterns of serum protein after ligation of the common bile duct was investigated in albino rats weighing approximately 200g. Sham operated rats were used as control. Rats were sacrificed 24, 48 and 72 hours after the operation. Serum samples of each group were analyzed for determinations of total protein and its eletrophoretic patterns using a cellulose acetate membrane. In comparison with human, normal rat serum showed lower levels of albumin and alpha 1-globulin, lower A/G ratio and higher level of beta-globulin. The ligation of the common bile duct produced an alteration of electrophoretic patterns of serum protein. In 72 hours after the ligation, beta-globulin level increased apparently, but gamma-globulin level decreased to approximately half of the control.

외과계 감염증에 대한 Sulperazon(Sulbactam/cefoperazone) 및 Cefoperazone의 임상효과 비교연구

박규주,노동영,김상준,권오중,정중기,홍인규 대한화학요법학회 1990 대한화학요법학회지 Vol.8 No.2

Despite recent advances in development of antibiotics and antiseptic techniques, infection still remains to be one of the major problems in the surgical field. Due to development of bacterial resistance to commonly used antibiotics, there is always a need to develop a new antimicrobial agent which would overcome such resistance. Sulperazon (Sulbactam/Cefoperazone) is a combination drug of potent β-lactamase inhigitor, sulbactam, and cefoperazone which has broad antibacterial spectrum, which was developed to combat against β-lactamase producing microorganisms. In an effort to evaluate the efficacy and safety of sulperazone, we have randomly divided 40 patients (12 with perforated appendicitis, 10 with peritionitis, 6 with GB empyema, 6 with periproctal abscess, 3 with wound infection, 1 liver abscess, 1 pancreatic abscess, and 1 acute cholangitis) into 2 groups (20 patients in each group). One group received daily dose of 2 to 3 grams of sulperazon and the other group received daily dose of 2 to 3 grams of cefoperazone. Following results were obtained : 1. Clinical effect of sulperazon was cure in 16 patients (80%), improvement in 3 patients (15%), compaired to cure in 14 patients (70%), improvement in 4 patients (20%) for the cefoperazone group. 2. Using disc diffusion method, sulperazon was sensitive to all of the isolated microorganisms except β-hemolytic streptococci, which was moderately sensitive. Cefoperazone was sensitive to only E. coli, Pseudomonas aeruginosa and Serratia. 3. Microbiological effect of sulperazon was eradication of offending microorganisms in 16 patients (80%), compared to 14 patients (70%) in Cefoperazone group. 4. Overall clinical efficacy of sulperazon was 95%, compared to 80% for cefoperazone. 5. Adverse effects due to sulperazon was nausea and diarrhea which occurred in 1 patient respectively. 2 patients receiving cefoperazone experienced diarrhea. It can be concluded that sulperazon is a safe and effective antibiotic agent which can be used in surgical infection patients.

한국장애인체육정책의 행정조직체계 개선에 관한 모델 연구

박준동,신동철 東亞大學校附設스포츠科學硏究所 2003 스포츠科學硏究論文集 Vol.21 No.-

Recently the Korean government has formally discussed what authorities are more effective in dealing with affairs in relation to sports for the disabled. Thus the purpose of this study is to propose models of the better management of such supports. For the purpose, this researcher reviewed current discussions between Ministries of Health & Welfare and Culture & Tourism about transferring the control of sports for the disabled and investigated foreign nations' administrative organizations and policies of such sports, which can be effectively useful to establishing such organizations and policies of this nation. As a result, the following models were proposed. 1. Proposal 1 : A model of development in the existing system under Ministry of Health & Welfare 2. Proposal 2 : A model of systematic development following the establishment of Korea Association of Sports for the Disabled(tentative) under Ministry of Health & Welfare 3. Proposal 3 : A model of step-by-step development through the transfer of the control of sports for the disabled from Ministry of Health & Welfare to Ministry of Culture & Tourism

비인강을 침범한 관통성 이물 2예

박동준,박상유,허원,최해명 연세대학교 원주의과대학 2000 원주의대논문집 Vol.13 No.1

古代中國人의 醫療體操에 관한 硏究

朴吉俊,李東鍵 東亞大學校 附設 스포츠科學硏究所 1993 스포츠科學硏究論文集 Vol.11 No.-

The purpose of this study is on searching out the medical gymmastics of ancient chienese. The major point considered in the thesis follow ; 1. The process of formation in the medical gymnastics of ancient chinese has been formed by Taoist school as a means of the secret of long life. 2. The aspect of development in the medical gymmastics of ancient chinese gas been developed the art of「To-In」with the history of 5000 year. This is named 「Gi-Gang」in the present-day. 3. The medical gymnastics of taegae Lee in Korean philosophy of human nature and natural laws turn out「Pal-Dan-Kumd」in the medical gymnastics of ancient chinese.