http://chineseinput.net/에서 pinyin(병음)방식으로 중국어를 변환할 수 있습니다.
변환된 중국어를 복사하여 사용하시면 됩니다.
김충현,서홍석,이형우,김진년 韓國食品流通學會 2018 한국식품유통학회 학술대회 Vol.- No.하계
As the National Statistical Office replaced the beef statistics with beef traceability data from September 2017, it is necessary to develop an economic model of Hanwoo based on the data. This study developed an advanced supply-demand model of Hanwoo by utilizing endogenous advantages of the data. The model was constructed by using a mixture of cohort factor method and econometric method. We estimated cohort factors, such as mortality, slaughter, and sex ratio at birth, and attempted to build a stable model using the cohort factors. On the other hand, the econometric methods were used because the farm household’s intention to breed and slaughter as well as the intension of consumption are determined by various economic factors. The model developed in this study is expected to be useful as a tool to forecast the Hanwoo market and establish the preemptive supply and demand policies.
金忠鉉 啓明大學校 産業經營硏究所 1986 經營經濟 Vol.19 No.1
The conventional assumption made about risk preference involving choices from risky alternatives is that individual decision makers are uniformly risk averse. In recent years, however, this assumption of uniform risk averse, both in the form of mean-variance dominance and in the form of uniform concavity of the utility function, has been increasingly criticized. Little attention, however, has been givn to the possibility of risk-seeking behavior in the literature dealing with risky choices. The purposes of present paper are to review the literature in order to assess how well the assumption of uniform fisk preference may lead to improvement in decisions under risk. The empirical findings indicate that the conventional assumption of uniform risk averse is not well supported by several reported experiments, suggesting that individuals are not uniformly risk averse but under certain circumstances are actually risk seeking.
급양동맥의 근위부 결찰후 절제에 의한 두피의 만상동맥류 치험 1례 : 증례 보고 Case Report
김충현,김대환,김정철 대한신경외과학회 1991 Journal of Korean neurosurgical society Vol.20 No.5
Cirsoid aneurysm of the scalp is difficult to manage because of complicated vascular anatomy and massive intraoperative hemorrhage. The authors report a patient in whom a large cirsoid aneurysm of the scalp was eliminated by excision after proximal ligation of the main feeder. Where possible, total excision followed by proximal ligation of feeders may be a effective ablative technique to manage cirsoid aneurysm of the scalp.
김충현,임홍재,하영일 대한신경외과학회 1991 Journal of Korean neurosurgical society Vol.20 No.12
A case of rare intracranial, skull and orbital metastasis is presented. A 34-year-old man was found to have mental deterioration with proptosis of the right eye and scalp swellings. The intracranial, skull and orbital tumors were verified to be hepatocellular carcinoma and the patient died 3 days after admission. The literature of hepatoma with cranial and orbital metastasis is briefly reviewed.
김충현,조지혜 한국폐기물자원순환학회 2014 한국폐기물자원순환학회지 Vol.31 No.3
Considering possibility of public health risk and environmental hazards, it is important to manage the disposal of“medical waste” properly. Although Korean government has made many efforts to provide safe medical waste managementsystem, some institutional problems are still existing and need to be improved. We focused on medical waste managementin emergency situations. Currently, the most common method of medical waste disposal is off-site incineration, whichaccounts for approximately 99.6% of total waste. However, in case some incineration facilities stopped unexpectedlybecause of fire, strike, breakdown, etc., inappropriate management of the medical waste has been of importantenvironmental concern due to potential secondary infection. This paper presents current limitations of resignment-relatedregulation and suggests improvement methods for effective and safe treatment of the medical waste, especially inemergency situations.