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가축분뇨를 이용한 SCP 생산 균주의 분리 및 균체 단백질 생산
한석균,고유석,안태영,배동훈 한국미생물생명공학회 ( 구 한국산업미생물학회 ) 1996 한국미생물·생명공학회지 Vol.24 No.6
질소원으로서 계분을 이용하는 균주를 선별하고 계분배지에서 균체의 생육속도가 다른 균주에 비하여 우수한 균주를 분리하였다. 형태·생리학적 특성을 기초로 하여 yeast의 분류 기준과 비교하여 본 균주를 Candida sp.로 동정하였으며 본 균주를 Candida sp. D116으로 명명하였다. Poultry feces extract medium에서 4% 농도의 glucose 첨가가 균체 생육에 효과적이었다. D116 균주를 액체 발효하여 균체생산능, 요산 그리고 가용성 단백질의 변화를 조사하였다. 그 결과 약 60시간이 경과하면 액체 발효 배지내의 거의 모든 가용성 단백질 및 요산의 감소를 보였으며 균체생육은 약 36시간 배양하였을 때 최고조에 도달하였고 그 후에는 점차 감소하는 경향을 보였다. SCP의 대량생산의 결과 50%의 계분혼합 배지와 30℃의 배양 온도에서 36시간 배양하여 균주의 생육수준이 3.8×10^9 CFU/ml 농도의 균체를 생산하였고 200 L의 배양액중 약 870 g-dw의 균체를 얻었으며 생산된 군체의 조단백질 함량은 67%이었다. Production of Single Cell Protein from Poultry Feces. Suk-kyun Han, You-Suk Go, Tae-Young Ahn and Dong-Hoon Bal^1*. Deparment of Microbioligy, College of Natural Sciences, Dankook Univerity, Cheonan 330-714 and Research Center for Molecular Microbiology, Seoul Nationa University, Seoul 151-742, Korea, ^1Department of Food Engineering. College of Engineering, Dankook University, Cheonan 330-714 and Bioproducts Research Center of Yonsei University, Seoul 120-749, Korea - From the soil collected form provincial area of South Korea, a microorganisms which have been shown good growth in the minimal poultry feces extract medium was isolated. Supplement of glucose to the poultry feces extract medium helped the complete degraded during the microbial growth. Maximum cell growth (3.8×10^9 CFU/ml) obtained at 36 hours of incubation after inoculation. Uric acid was degraded faster in minimal medium that in the glucose complement medium. VFA (volatile fatty acid), which are known as major compounds of poultry feces odor, were almost removed from the minimal poultry feces extract medium. Glucose supplement to the minimal medium enhanced the growth of microbial cells. Addition of 4% of glucose and 4% of neopeptone to the minimal poultry feces extract medium helped the maximal growth of cells.
샘플링 검사를 통한 경제적 공정 목표 값 결정에 관한 연구
이동철,윤덕균 한국경영과학회 2000 韓國經營科學會誌 Vol.25 No.2
We consider the determinant of the most economical target value trough the sampling inspection by two consecutive machines. The machine sequence is fixed as products have to be processed by machine 1 first and then by machine 2 next. In this paper, we assume that if quality of a unit is lower than inspection lower specification limited, then the goods is not accepted. Otherwise, it is accepted. And we assume that the quality characteristic is larger-the-better characteristic and its distribution is the normal distribution whose standard deviation is known. This paper ends up with an numerical example by using the total expected profit function model that consider the scales profits. Inspection costs and material costs. And we analyze the variation of the total expected profit by changing coefficients of the functions.
성인병에 대한 한방치료법(증치의학과 사상의학)에 관한 연구 : 고혈압에 대한 한방치료법(중치의학과 사상의학)에 관한 연구
박동일,김영균,안창범,이인선,김종원,권정남,장경전,이인선,이성근,장용우,신영민 동의대학교 한의학연구소 1999 동의한의연구 Vol.3 No.-
We had a result of the treatment as below when is devided Korean medicine Tx.. Western medical Tx., Cooperative Tx.. 1) At the improvement of BP control, an average in Korean medicine Tx. (from 170㎜Hg/100㎜Hg to 150㎜Hg/90㎜Hg), an average in Western medical Tr. (from 170㎜Hg/100㎜Hg to 130㎜Hg/80㎜Hg), an average in Cooperative Tx.(from 180㎜Hg/110㎜Hg to 130㎜Hg/90㎜Hg), generally all pars had improvements of BP control. But it is not significant of each case. 2) At the improvement of symptoms by the apologetics, Cooperative Tx. is profitable in cases of 'GanHwa',' DamEum', 'EumYangYangHer', 'EumHer'. Korean medicine Tx. is superior in case of 'GiChe'. 3) At the improvement of symptoms by a questionnaire, Korean medical Tx., Western medical Tx., Cooperative Tx. groups had improvements, but each practice group didn't have specific significance. Only it was somewhat profitable to Korean medical Tx. in the 210㎜Hg/110㎜Hg, Western medical Tx. in the 180㎜Hg/110㎜Hg, Cooperative Tx, in the 170㎜Hg/90㎜ Hg. 4) There are the apparent improvements in patients whose BP are over 200㎜Hg of Korean medical Tx. group, whose BP are over 190㎜Hg of Western medical Tx. group and whose BP are over 170㎜Mg of Cooperative Tx. group. There are the improvement of diastolic BP in 110㎜Mg(Korean medical Tx., Western medical Tx.) and 90㎜Hg(Cooperative Tx.). 5) At the improvement of Pulse pressure, generally Pulse pressure are decreased. There are similar improvements in all of Korean medical Tx., Western medical Tx., and Cooperative Tx.. 6) At the Symptomatic approvement according to ages, Korean medical Tx., Cooperative Tx. are somewhat good for his twentieth, and Western medical Tx. is somewhat good for his forties. 7) the correlation of Obesity-grade and BP, as Obesity-grade is higher as BP is higher, but there are no similarity in the improvement. 8) At the EAV improvements, as examination into correlation with the point of 1~3th, we could get results as below. There are high improvements of DRHTM, DRALM, DLLYM, DLLIM in Cooperative Tx. There are high improvements of DRPASI, DLLARI in the Korean medical Tx. group. There are high improvements of DRFADM in Western medical Tx. group.
李東信,韓均泰 慶熙大學校 1989 論文集 Vol.18 No.-
Korean press is now in the- new competition era when its whole structure has been turned to a free open market system since 1987, owing to strong demand for democracies expanded over every field of society. Though, there was no effort in provide a guideline or suggest a direction for journalists and their organizations as well on the basis of analysis of their awareness on the changed working conditions. In this regard, the primary purpose of the present study was to examine journalist s opinions and attitudes about performance and its social circumstance. The data for this research were collected in 45 days from July 15 to the end of August in 1987. The ample was drawn from editorial rooms of 7 firms including 5 dailies and 2 broadcasting corporations, but persons working in the department of revisal were excluded horn the sample because they were generally considered not journalists. As a result, a total of 319 questionnaires were analyzed in this study. The result of this study mainly displayed four kinds of aspects on Korean journalist's professionalism. First, it showed a high degree of job satisfaction and qualification as journalists. Second, it found two important professional functions (delivery of unbiased information and formation of public opinion in the right direction), four major factors for job speciality including accuracy and critical approach, and relatively strict ethical level for protecting news source, private right and people's right to know. Third, there would appear that the most significant things to accomplish the freedom of press were, complete separation between editing and management' and 'the establishment of democratization within the organization'. Finally, solutions for independence of editorial right, the hottest issue in recent years, were revealed to be 'making diverse kinds of institutional devices to minimize external pressure to editorial room', and 'reforming or improving the unchanged family-oriented management structure'. As above, this pilot research is presumably believed to provide a broad range of knowledge on journalists' own thinking related to the present situation of the press. However, it has some limitation to generalize its result because of its sampling frame Accordingly, it suggests that a future study should be based not only on a theoretical perspective, also on representative sampling.
金東明,洪榮均 홍익대학교환경개발연구원 1997 환경개발연구논문집 Vol.2 No.-
Since Cristianity has been introduced in Korea, the korean churches has grown up again and again. Especially since 1970s, several churches have shown their rapid growth in number of believer, they have become so called 'Super-Ultra Churches'. The main reasons of this rapid growth in such churches could be analysed into sociological, political and religious factors. All of these are closely related to the acute economic growth between 1960s and 1970s in Korea. Until mid 1980s, Most of these Super-Ultra Churches was very humble in the aspect of architectural values because they could not overcome coarse Gothic style prevalent in Korea churches and the functions was too simple to embrace social and cultural activities. But in these days, with the changing recognition of church's role in society and church itself, new and diverse methods of designing church are adapting. These new trend analysed into four factors, which are structural, functional, spacial and figurative ones. Firstly, in the structural factor, many Super-Ultra churches uses iron frame truss to support long spaned structure. Some of them introduced high technical method such as suspension structure or precast beams. Secondly, in the functional factors, they are more and more considering the flexibility of their internal space and openness of their outer space. In doing so they become more familiar to their neighborhood. Thirdly, in the spacial factors, they adapt diverse plan types such as rhombous, circular, or fan shaped types. In doing so they can get shorter distance from altar and the convergent effects are more strengthened. Fourthly, in the figurative factors, they are overcoming old Gothic style gradually and now adopting diverse vocabularies of modern architecture, they also considering the harmony between traditional style and new methods.
발열체를 가진 2중 수평채널에서의 전열특성에 관한 연구
김동균,박용진,배석태,김시범 동아대학교 생산기술연구소 2000 生産技術硏究所硏究論文集 Vol.5 No.1
In this study was performed on the characteristics of heat transfer analysis by numerical method in a double horizontal channel with internal heat sources, up and down side walls are adiabatic condition. Pseudo PCB(Printed Circuit Board) with cooling hole its located around heat source. This channel have two heat sources that its condition is uniform heat flux maintenance 5W, upper channel and lower channel inlet velocity 0.2m/sec and outlet open condition. Parameter is cooling hole's location on the plate(PCB) and increasing heat flux(10W,15W) for one case.
김동균,배석태,김시범 동아대학교 공과대학부설 생산기술연구소 1997 生産技術硏究所硏究論文集 Vol.2 No.1
In this study was performed on the natural convection by numerical method in a rectangular enclosure, right side vertical wall is cooled except in moving a portion heated uniform heatflux, left side vertical wall is adiabatic the same heatsource condition as right side wall but its fix, the other side walls are insulated, filled with air. Parameters are the location of right heatsource and Rayleight number.
한국태권도의 시대적 특징과 갑오경장 이후의 발전과정에 관한 고찰
김동건,오노균 忠南大學校體育科學硏究所 1991 體育科學硏究誌 Vol.9 No.1
The purpose of this study was investigate the beginning, the historical characteristics and the developmental process of Tae Kwon Do after Kabokungjang through sundry records. The following conclusions were obtained: 1. Although there was not enough historical materials to complete the study of beginning of Tae Kwon Do, it can be concluded that Tae Kwon Do in dawn age was used as a means of living in the old stone age. 2. Tae Kwon Do in the age of three Kingdoms was used as an instrument of national defence, in ancient Koryu as an instrument of military discipline, and in Chosun it was used as an instrument for actual fighting or a popular activities in later. 3. After Kabokungjang. Tae Kwon Do has been developed as common people-centered activities from a warrior-centered one, but the militaristic discipline of martial arts like Dang-Su of Japan has been accepted without any critism and prevailed widely until liberation without making a definite distinction between Dang-Su and Kong-Su. After that it was given a name Tae Kwon Do in the early 1960th and it was prevailed as a national sport. 4. Tae Kwon Do in Korea after Kabokungjang subjugated the nature as a traditional martial arts. And then it has been developed as one of the world sports in present time with Cha-Gi in Skill and modernization in type of Game.