고랭지 밭 유역의 융설에 의한 수질특성

최용훈 ( Yong Hun Choi ),원철희 ( Chul Hee Won ),박운지 ( Woon Ji Park ),신민환 ( Min Hwan Shin ),신재영 ( Jea Young Shin ),이수인 ( Su In Lee ),최중대 ( Joong Dae Choi ) 한국물환경학회 ( 구 한국수질보전학회 ) 2012 한국물환경학회지 Vol.28 No.3

In this study, Song-Cheon river Basin located at Dae-kwan-lyong Meyn in Kang-Won Province was monitored to analyze characteristics of non-point source pollution during the snowmelt period. The characteristics of NPS pollution such as runoff, change in water quality and pollutant loads by snowmelt were investigated from 23th February 2010 to 27th April 2010. The results showed that The climate change effects flow, turbidity and concentration of SS and COD with showing similar trend of fluctuation. Daily pollutant loads per unit area were SS 74.43 kg/ha/day, COD 1.25 kg/ha/day, BOD 0.21 kg/ha/day, TN 0.717 kg/ha/day, TP 0.141 kg/ha/day and the flow weight mean concentration has been SS 985.97 mg/L, COD 16.28 mg/L, BOD 2.67 mg/L, TN 9.302 mg/L, TP 1.834 mg/L, respectively. The flow and pollutant loads both of SS and of COD significantly increased during the snowmelt period. Because structurally loosen soil by freezing and thawing deteriorates water quality, research and management measures will be needed.

소적정원산(消積正元算)으로 호전된 적증(積證)환자 1례 보고

허진일,조동희,김동우,임희용,오중한,김대준,변준석,최빈혜,Hur, Jin-Il,Cho, Dong-Hee,Kim, Dong-Woo,Lim, Hee-Yong,Oh, Jung-Han,Kim, Dae-Jun,Byun, Joon-Seok,Choi, Bin-Hye 대한한방내과학회 2005 大韓韓方內科學會誌 Vol.26 No.2

This study was designed to evaluate the effects of the oriental medicine(Sojeockjeongwonsan) on a Jeock-Jeung patient. The clinical data was analyzed on a patient with Jeock-Jeung, deemed due to Gangiulgyul(肝氣鬱結) and Junggiheoyak(正氣虛弱). The patient’s main symptoms were abdominal pain and abdominal mass. The patient was admitted to Dae-Gu Hanny University Dae-Gu Oriental Medicine Hospital. Clinical symptoms, including abdominal pain, abdominal mass and general condition, improved after treatment. This study suggests that Sojeockjeongwonsan is significantly effective in treatment of a Jeock-Jeung.

소비에트 민족정책과 스탈린의 민족문제 '해법'

최대희 慶北大學校 出版部 2002 人文 科學 Vol.16 No.-

It is obvious that Soviet nationality policy underwent a complete reversal in the 1930s. In the late 1920s the policy of indigenization (konrenizatsiia), a policy of bending over backward to placate the Soviet non-Russians, was at its quantitative height. It was a three-pronged policy: to foster the development of the local language and culture; to recruit members of the indigenous national group into the party and state apparatus; and to employ the local language in all party and state business. All this changed in the late 1930s. Why did the policy of korenizatsiia become a dead letter? Why was the local nationalism replaced by a Soviet patriotism? The forced collectivization of agriculture and the rapid industrialization altered the political constellation upon which earlier nationality policy had been based, above all by the centralization of authority in Moscow. Nevertheless, the abandonment of the policy of indigenization is not to be interpreted as an indispensable result from social and economic compulsions, which involved the revolution from above`. It was rather a conscious choice of Stalin. Stalinist terror of the later 1930s aimed at a complete abolition of the social forces, which supported the old nationality policies hitherto. As a result, the non-Russian elites were replaced by the new elites from Moscow, who would carry out only the will of the central power.

정상교합인의 두부위치변화에 따른 교합접촉점의 변화에 과한 연구

최희철,이성복,최대균,박남수 慶熙大學校 齒科大學 1994 慶熙齒大論文集 Vol.16 No.1

The understanding the nature of occlusal tooth contacts of natural dentition is important for correct diagnosis and treatment of diseases developed in stomatognatic system. Several investigator have studied the distribution of tooth contacts in maximum intercuspation and have repored contact locations with respect to the tooth position. However, there are few report the variation of the occlusal contact point with change in each head position. This study analysed the number of occlusal contact point with change in each head position. 30 subject(male 17, female 13), who had natural occlusion and no symptoms of temporomandibular disorder, were selected. The numbers and patterns of tooth contact were recorded by silicone bite registration on stone model at four different head positions with head anguration gauge(from the supine to the upright position). The results obtained were as follows: 1. The numbers of total occlusal contact point on teeth increased to average 25, 29, 35, 42 points as head angulation was changed from the supine to the upright position against the ala-tragus line, and there was significant difference (P<0.05) 2. In the 19 subject(65%) of total 30 subject, the perforated point of the silicone bite indicated that the locus for the prime contact point moved mesially as the head angulation was changed from the supine to the upright position. 3. On the basis of the fact that the anterior occlusal contact point increase as head angulation changed from the supine to the upright position,we could find that the mandibular position is moved anteriorly.

농부가 아닌 환자에서 발생한 긴털가루진드기(Tyrophagus Putrescentiae)에 의한 기관지천식 1례

최대로,김형수,고창옥,김희선,윤호성,박용범,김상훈,이재영 대한천식 및 알레르기학회 2004 천식 및 알레르기 Vol.24 No.1

Storage mites are believed one of the most important allergens in farmers and rural regions. Tyrophagus putrescenitiae, belonging to storage mites, is found not only within storehouses but also in the house dust, and the third most common mites following Dematophagoides farinae and Dermatophagoides pteronyssnus in house dust in Korea. The sensitization rate to Trophagus putrescentiae was reported as high as that of house dust mite in patients visiting the allergy clinic in large cities in Korea. We experienced a 69-year-old man who had suffered from dyspnea, wheezing, and coughing for 10 years. He retired from the teaching profession, and had lived in a large city. Deajeon. The skin prick test showed a positive reaction to Tyrophagus putrescentiae and negative reactions to house dust mites. The bronchial challenge test with Tyrophagus putrescentiae showed late asthmatic reaction. We confirmed a Tyrophagus putrescentiae induced asthma in non occupational setting. (J Asthma Allergy Clin Immunol 24 : 141-5, 2004)

신경제정책기의 소비에뜨경제의 구조적 위기와 꾸스따르 공업의 활용에 대한 논의

최대희 서울대학교 러시아연구소 1998 러시아연구 Vol.8 No.2

As in any underdeveloped country, small-scale industry played an important role in the prerevolutionary Russian economy. The rapid industrialization that had occurred in Russia in the four decades preceding the Revolution was extremely uneven. The mechanized factory production had become predominant in the industry producing capital goods and semifabricates, but almost all consumer goods were still produced by the dispersed, technologically primitive small-scale industry. Many factors had contributed to the development of the small-scale industry: The unsufficient supply of industrial goods to the peasants; the significant "surplus" rural population; the absence of a good highway network; the long Russian winter. The relatively primitive kustar' industry became a partial outlet for the surplus agrarian population. It produced cheap coarse consumer goods, catering to the needs and tastes of the Russian peasants, whose incomes did not permit them to buy the more expensive factory-produced goods. The Russian village with its local kustar' industry was almost self-sufficient. The Bolshevik Revolution did not diminish the importance of small-scale industry. The relative share of small-scale industry, on the contrary, had increased during the period of War Communism and in the initial years of the New Economic Policy(NEP). As early as 1926/27 voices of alarm were raised in the Soviet press over the danger of private capital and small-scale industry. The introduction of an over-all national plan in 1929 undermined the existence of independent small-scale industry. As a result of the collectivization of agriculture, the "unorganized" kustari disappeared from the countryside. This study is focused on examination over the concepts of utilization of small-scale industry, which many economic specialists and theorists in politics had proposed since the middle of the 1920s, in order to overcome the structural crisis of the Soviet economy. The mechanization and rationalization of the small-scale industry was regarded as a chief solution on the problem of the chronical deficit of industrial goods and the problem of "surplus" agrarian population, the problems with that the Soviet economy was confronted during the period of NEP. According to the advocates for the utilization of small-scale industry this strategy of development would guarantee a crisis-free process of the industrialization, without lowering the standard of living of the mass. But the atmosphere of discuss over a better strategy of development was getting worse, so that the bolshevik theorists and economists carried out their concepts to build large-scale industry with modern technology. A result from this practice should exclude the possibility of abolishing the contrast between urban and rural area.

다약물 내성기전으로서 ABC transporter와 화학감작제의 개발

최철혁,권대승,최석민 朝鮮大學校 附設 醫學硏究所 2002 The Medical Journal of Chosun University Vol.27 No.2

Anticancer resistance is one of the major problems in the clinical cancer chemotherapy. Of resistance mechanisms are ATP (ATP-binding cassette) transporters including P-glycoprotein. In this paper, ABC transporters with respect to the physiological functions and multidrug resistance mechanisms as well as the development of chemosensitizers for their reversal have been reviewed.

Ti-Ni-Cu 납을 이용한 티타늄 납접부의 인장 및 피로강도

최규형,원대희,배태성,大川昭治,亘理文夫 大韓齒科器材學會 2001 대한치과재료학회지 Vol.28 No.4

This study was performed to evaluate the tensile and fatigue strength of butt joints in titanium soldered with Ti-Ni-Cu alloy. Titanium rods of 30 mm in length and 3 mm in diameter were divided into two groups and the soldering surfaces were polished with #240 and #2,000 emery paper, respectively. Tow pieces of titanium rods were butt-soldered with Ti-Cu-Ni alloy using the electric resistance heating under flux-argon atmosphere, the infrared heating under argon atmosphere, and the infrared heating under vacuum-argon substitution atmosphere. Tensile test was done with a crosshead speed of 0.5㎜/min using universal testing machine and fatigue test was performed by a cyclic tensile stress of 30 Hz using tension-type fatigue testing machine. The solder-matrix interface regions were etched by the solution of 20HF-20HNO_3-60glycerin and analyzed by EPMA. The fracture surfaces were examined by SEM. The maximum tensile strength value of 391.0±19.9 MP_a was obtained when the titanium surfaces were polished with #2,000 emery paper and soldered with Ti-Ni-Cu alloy using the infrared heating under vacuum-argon substitution atmosphere. Fatigue strength value of 215.8 MPa was obtained when soldered using the infrared heating under vaccum-argon substitution atmosphere. Characteristic striation and dimple regions were observed in the fractured surfaces. The EPMA data for the solder-matrix interface region revealed that the diffusion of Ni and Cu occurred in the titanium matirx.

고주파 방사전자파 측정에 의한 SF_(6) 가스의 방전 특성

최상태,윤대희 경주대학교 정보전자기술연구소 2004 情報電子技術論叢 Vol.3 No.-

현장에서 많이 사용되고 있는 GIS등에 결함이 발생하면 치명적인 사고로 진전될 수가 있다. 본 논문은 모의 GIS내 도전성 금속이물질 존재 시 발생되는 부분방전 신호를 절연 진단 방법중 하나인 UHF법을 이용하여 부분방전 시 방사되는 방사전자파의 스펙트럼을 분석해 금속이물질이 SF_(6)(이미지참조) 가스 부분방전에 미치는 영향을 측정하였다. 이러한 연구는 현장 CIS 및 SF_(6)(이미지참조) 가스절연 전력설비에서 금속이물질에 의해 발생되는 절연파괴 사고의 방지에 중요한 역할을 할 것으로 사료된다.

大學卒業定員制의 實施에 따른 學生生活 指導方案에 關한 硏究

崔根爀,張忠根,李相祐,張鎭吉,張大熙 충남대학교 1982 學生生活硏究 Vol.10 No.1

Higher education in Korea is faced with a new situation since 1981 when the government implemented a college graduation quota system designed to broaden the opportunities for higher education, alleviate the problem of the students who fail the entrance examination, and improve the quality of college graduates. The change of the system has brought about several serious problems including how to supply enough faculty members, how to provide enough educational facilities, and how to cope with the huge increase in the number of students, 30% more than graduation quota. The greatest single problem resulting from the implementation of college graduation quota system is the psychological and emotional unease aroused among the students, because 30% of those students with unsatisfying results must be banished from college before their graduation. This study aims to find effective measures for student guidance that each of the colleges can implement to help students adjust to the changed circumstances. After objectively investigating the problems from the various educational environments, from the recent students' views of college, and from the psychological and emotional unease arising in them by the fear of failing to graduate from their college because of implementation of the graduation quota system, a survey was conducted by means of a questionnaire composed of 40 questions and by means of personal interviews, 5,903 students, who are influenced by the graduation quota system, attending 19 public and private universities and colleges selected throughout the country. The data obtained from this survey were statistically processed with the help of the C. N. U. Computer Center, and the ratios of the responses to each of the questions were analyzed and calculated according to the distinctions of the total, sex, region, and major. The conclusions that the interrelations among the variant factors from each of the questions which were surveyed, analyzed and arranged have suggested are as follows : 1. The original purpose of graduation quota system should continually be clarified and communicated to all students and a concrete, specialized guidance system should be established to guide the minority of the students (13%) who don't fully understand the basic properties of higher educational institutions. 2. The institutions should provide enough educational facilities and supply enough faculty memebers to solve the problem of accomodating the large numbers of students. At the same time, they should suggest how students should learn positively and effectively to gain an expert knowledge, and how professors should gain public confidence in grade evaluation. Accompanying those measures, the government should develop a good policy to expand and distribute job opportunities to college graduates. 3. The admission quota should be controlled depending on the rate of naturally failed students, and then the students' unease and suppression caused by excessive competition can be relieved. In addition, it is advisable that the banished students should be allowed to transfer to University of the Air without regard to their grades. 4. An education devised to let students have a sound sense and way of thinking should be accompanied by a guidance system which their seniors, parents and society take part in. 5. An atmosphere conducive to sweet and well-rounded friendship among classmates should be created, sound extra-curricular activities should be encouraged and the number of students and adviser professor is in charge of should be lessened to a reasonable number.