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김웅배 啓明專門大學 産業開發硏究所 2002 啓明硏究論叢 Vol.20 No.1
본 시험은 멧돼지와 지방재래돈(흑돼지) 및 도입돈(개량종)의 능력을 검정하기 위하여 1999년 4월부터 2001년 7월말까지 본교 계명문화대학 성주실습농장에서 실시하였는바 번식능력(생시 및 이유두수, 생시 및 이유시체중, 육성을)에 있어서는 흑돼지의 육성을 제외하고는 개량순종 및 개량돈잡종에 비해 맷돼지와 흑돼지는 ½∼⅓에 불과하였고 벗돼지는 타 품종에 비하여 특히 낮았으며 비육능력과 사료요구율은 흑돼지는 개량종에 비하여 중체량(성장을)은 40%가 낮았고 사료 요구율은 높았다. 또한 등지방 두께는 흑돼지는 개량종에 비하여 1.3cm가 두꺼웠고 두당 수익은 44%가 감소하였다. 그러므로 흑돼지 사육의 경제성을 맞추기 위하여는 흑돼지의 지육가격이 개량종의 지육가격보다 40∼50%이상을 받고 팔수 있는 판로가 있어야 한다. 끝으로 정확하고 확실한 시험을 위하여 흑돼지와 맷돼지에 적합한 환경(사료, 관리와 시설)조건하에서 반복시험을 수행하여 하며 주목할점은 재래종의 능력은 개량종의 능력에 비하여 떨어지나 재래종 개량종잡종은 개량종보다 우수한 것에 주목하여야 한다. This study was carried out in order to test the wild pigs, local native pigs and imported breeds of swine at keimyung experiment(practice) farm from April 20th. 1999 to July 31th. 2001(30month) The results obtained from this test are summarized as follows. 1. In the reproductive performance (litter size, rearing head, birth-wt, weaning wt, rearing rate) the native and wild pigs were ½∼⅓ lower compare to other imported pure or cross breeds except rearing rate (rate of raising), especially the wild pigs are lowest other breeds 2. And in the fattening performance (daily gain) and feed requirement, the native breeds were 40% lower and were hi誇her than improved breeds. 3. Also. in the back-fat, the native pigs were 1.3cm thick and the yield per head decreased 44% compare to improved those 4. So. in order to be good economy (economical) the native carcass meat price had to be sold 40∼50% more than improved it 5. Finally, in order to exactive and perfective test it carried out in the environment condition (feed, caring and facilities) fit for the native and wiled pigs.
任齊彬,金美淑,洪雄基 全北大學校 附設 都市및環境硏究所 1994 都市 및 環境硏究 Vol.9 No.1
The primary pollutants can be converted to acid aerosol or gases by complicated chemical mechanisms which would be scavenged from the atmosphere by the wet and dry deposition. This study is to investigate the factors of rain-water acidity thrugh the correlation between the major chemical components in precipitation process. The results were as follows: 1. PH range of rain-water are 4.26- 6.90. 2. Correlation between [Ca^2+] and [NO_3^-], [Ca^2+] and [SO_4^2-], [Ca^2+] and [cb-ca] are 0.70, 0.86, 0.93, respectively. 3. Correlation between [Na^+] and [CI^-] is 0.83. 4. Correlation between [NH_4^+] and [CI^-], [NH_4^+] and [NO_3^-], [NH_4^+] and [SO_4^2-], [NH_4^+] and [cb-ca] are 0.73, 0.87, 0.71, respectively. 5. Correlation between [cb-ca] and [SO_4^2-] which is calculated from charge balance equation is 0.79. And it seems that [cb-ca] influenced to the pH change, initially [SO_2] absorbed in rain-water. 6. Concentration of [SO_4^2-] increases, by the gaseous reaction of SO_2 oxidation in the period of no-rain-days, and the aqueous reaction in the rain-water. 7. [SO_4^2-]/[NO_3^-]=5 in Chonju, the value of that was 1.32 in Seoul. 8. The factors of pH change are [SO_4^2-] and [cb-ca], especially at the condition of pH < 5.
의인성 망막열공 : 발생 빈도 및 수술성적 Incidence and Surgical Results
김용백,강재훈,서병로,민욱기 충남대학교 의과대학 지역사회의학연구소 1990 충남의대잡지 Vol.17 No.2
We reviewed 61 consecutive eyes recently subjected to vitrectomy to determine the incidence and outcome of iatrogenic retinal tears. Iatrogenic retinal tears occurred in 14 eyes(22%). 14 eyes had 22 iatrogenic retinal tears. The incidence of iatrogenic peripheral tears was 6% and of posterior tears was 16%. Two thirds of tears occurred in the inferior quadrants. 43% of iatrogenic retinal tears occurred in patients with proliferative diabetic retinopathy. The overall anatomic success was achieved in 10 eyes(71%), 9 eyes of which were successfully treated with the initial operations. With a combination of intraocular gas tamponade, laser photocoagulation, cryopexy, or scleral bucking, 71% of iatrogenic retinal tears were successfully treated.
任齊彬,鄭在凡,洪雄基 全北大學校 附設 都市및環境硏究所 1994 都市 및 環境硏究 Vol.9 No.1
Total suspended particulates and concentration of polycyclic aromatic hydrocarbons were measured from April 1992 to January 1993 for analyzing air pollution comparatively in five designated areas in Chonju city: industrial, semi-industrial, commercial, residential, and green area. The concentration o total suspended particulates was estimated up to 201 ㎍ in whole city level. Sixteen polycyclic aromatic hydrocarbons were commonly distributed in the city, especially the concentration greatly increased during the winter. Benzo(ghi)perylene was a major pollutant detected from 0.98 to 1.67ng/㎥ in four tested regions except the green area, in which 0.57 ng/㎥ of fluoranthene was the highest. Benzo(a)pyrene, chrysene, benzo(b)fluoranthene, indeno(1,2,3-cd)pyrene, and dibenz(ah)anthracene known as carcinogenic materials were also included in the samples analyzed. Degree of air pollution determined by total polycyclic aromatic hydrocarbons decreased in the order of 7.80 mg/㎥(commercial) > 7.72ng/㎥(industrial) > 5.71 ng/㎥(semi-industrial) > 4.72 ng/㎥(residential) > 3.21 ng/㎥(green area). Most polycyclic aromatic hydrocarbons were produced from liquid fuel. It is expected that air pollution will increase gradually as consumption of liquid fuel use increases.
주기적 기둥 패턴의 나노 구조물 위에서 힘을 받는 수액적의 거동 특성
정욱진(Woog-Jin Jeong),하만영(Man-Young Ha),윤현식(Hyun-Sik Yoon) 대한기계학회 2011 대한기계학회 춘추학술대회 Vol.2011 No.10
Using molecular dynamics simulations of an atomistic water model, we study the behavior characteristics of the water droplet under a constant horizontal force on graphite surfaces with periodic nano-sized pillars. We first select two heights of pillars that Cassie-Baxter state and Wenzel state are been in static equilibrium state when a water droplet is put on the pillar surfaces. Then, we apply a constant horizontal force to the water droplet that is in static equilibrium state and observe the behavior characteristics of it. The simulation results show that there is a interesting moving mechanism. In both cases, moving velocity of water droplet is similar or slightly low compared with a case of the flat surface in spite of the high static contact angle: this shows an enhancement of static hydrophobicity by existence of pillars does not leads to the increase of mobility of water droplet.
The Ambiguity and Reality in Tennessee Williams`s A Streetcar Named Desire
( Sun Woog Joe ) 한국현대영어영문학회 2014 현대영어영문학 Vol.58 No.2
Tennessee Williams (1911-1983) is one of the most deliberate playwrights in American drama, and A Streetcar Named Desire (1947) has been considered one of his best plays. Many critics and scholars of Williams depict the heroine, Blanche, as a victim and a hero. Stanley, as a victimizer. However, in my opinion, Blanche leads and directs herself towards the tragic ending. Blanche and Stanley are collaborators as well as accomplices. Analyzing Williams’s theatrical devices, such as symbolism, comparison, and contrast, I target to clarify what Williams depicts in his characters. While doing so, I try to probe into unwritten parts in the text, or hidden parts on the stage. For I believe this is the reality that he tests in his fictive world and makes it happen in the imagination of the audience. (Kunsan University)