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신현무,이상화 慶星大學校 環境問題硏究所 1998 環境硏報 Vol.8 No.1
It has been a concern for the remediation of petroleum contaminated soil by effective measures. To achieve this purpose, first of all, it is necessary to estimate how much the petroleum could be in soil when spilled. Though the adsorption experiment of petroleum-hydrocarbon-vase to the selected soils which contains different amount of soil organic matter, the following results were obtained. The partitioning coefficients for soils were increased exponentially with the increase of soil/solution ratio. The adsorption of petroleum hydrocarbon(TPH) to soil was directlu influenced by soil organic matter content rather than specific surface area, that is, the adsorption of TPH was increased proportionally with the increase of soil organic matter content.
생분해성 플라스틱이 포함된 유기성 생활 쓰레기의 퇴비화
신창호,김영진,이상일,장상희,조무환,신부영 영남대학교 환경문제연구소 2000 環境硏究 Vol.19 No.2
준 생산용 퇴비화 장치를 이용하여 생분해성 플라스틱을 포함하는 유기성 도시생활쓰레기기의 퇴비화를 연구하였다. 유기성 도시생활쓰레기는 실제 도시생활쓰레기 구성비에서 무기물을 제외한 유기성 물질만의 비로 만들어 사용하였다. 유기성 도시생활쓰레기를 구성하는 각각의 물질에 대한 생분해도를 ISO법으로 측정하였고, 퇴비의 화학적 물리적 특성도 조사하였다. 구성 물질에 대한 생분해도 결과에서, 생분해성 고분자를 포함한 각 물질들은 퇴비화에 충분한 생분해도를 나타내는 것으로 밝혀졌다. 또한, 유기성 도시 생활쓰레기로부터 비독성의 퇴비를 얻을 수 있음을 알았다. The composting study of organic municipal solid waste containing biodegradable plastic was performed by using pilot scale composting apparatus. The organic municipal solid waste(OMSW) was artificially prepared for composting. The composition of artificial OMSW was the same as that of real municipal solid waste excluding inorganic waste. The biodegradability of individual component of OMSW was studied according to the ISO method. The chemical and physical characteristics were also observed. Biodegradability study revealed that every component of OMSW including biodegradable plastic had sufficient degradability for real composting. And it was found that non-toxic compost could be produced from OMSW containing biodegradable plastic.
신현무, 이상화 경성대학교 환경문제연구소 2000 環境硏報 Vol.10 No.1
Surfactant washing process being operated in ex-situ mode could be appropriate one of the most effective remediation alternatives for NAPLs(non-aqueous phase liquids) in soil. The adsorption of sufactants has been concern of the reduction of expenditure and the increase of efficiency. Through the result of estimating the extent of adsorption of surfactants to soils, notion sufactants showed higher adsorption to soils than anion surfactants. From the results of evaluating which model could explain the surfactant adsorption to soils, it was determined that anionic surfactants were described well with Langmuir adsorption isotherm model, while nonionic surfactants were with Freundlich model.
Nicotine이 발생중인 鷄胎의 體重 成長에 미치는 영향
金武剛,金弘善,柳時潤,申台均,李永浩,趙聲煥 충남대학교 의과대학 지역사회의학연구소 1985 충남의대잡지 Vol.12 No.2
The authors studies the effects of Nicotine on the Body weight growth of the developmental chick embryo. On the sixth day of incubation, 0.41mg, 0.82mg and 1.65mg of Nicotine were injected into the chorioallantoic sac of each egg of three groups and one group was injected physiological saline solution as a control, and the eggs were broken for weighting the body weight in every other day from the twelfth day to eighteenth day of incubation. In an attempt to analyze the growth of the body weights, growth formula of Zimmerman and relative growth formula of Huxley were applied. The following results were obtained. 1. The growth of chick embryo boby weight was affected as inhibiting by the Nicotine. The inhibiting effects were in proportion to the injected Nicotine dosage. 2. The growth quantity of the body weight injected 1.65mg was almost half weight of the control group body weight. 3. Growth rate was decreased continuously with tine until 18th day in the 1.65mg injected group but it was increased in 0.41mg and 0.82mg injected group with time lapse from 12th day to 18th day, and 0.41mg injected group was more increased than 0.82mg injected group. 4. Specific growth rate decreased in the all of 0.41mg, 0.82mg and 1.65mg injected group and in the decrease degree 1.65mg and 0.82mg injected group ware severe and 0.41mg injected group was slight. 5. Growth centers of growth gradient were 12th day in the 0.41mg injected group and 18th day in the 0.82mg and 1.65mg injected groups. 6. Relative growth rate was also decreased proportionally in related with injected Nicotine dosage.
장상희,신부영,조무환,이일희 嶺南大學校 環境問題硏究所 1997 環境硏究 Vol.16 No.2
요약문농작물에 사용된 비료중 30~705가 농작물의 영양분으로 이용되고, 나머지는 지표수 에 의하여 하천으로 유입되거나, 지하수로 스며든다. 이러한 이유로 경제적 손실과 더불어 지하수에 질소 성분이 농축되어 식수 오염에 큰 영향을 미친다. 본 연구에서는 고분자 가공 기술을 응용하여 120。C에서 무정형 폴리 프로필렌과 요소비료를 혼합하여 지속성 비료 제 조를 제조하였다. 제조된 지속성 비료는 25。C 수중에서 비료성분의 방출속도를 측정하였 다. AbstractIt is estimated that only 30∼70% of the fertilizer applied in agriculture is used for plant nutrition, the rest is carried away by ground water or lost through mtrification-denitrification. Apart from the economic loss due to wastage, severe environmental problems arise due to increasing nitrate concentration in public drinking water. The fertilizer urea was mixed with APP (atactic polypropylene) by super mixer at 120 'C. The rate of fertilizer release was determined by checking dissolution rate in water at 25。C.
췌장암 환자에서 알코올 내장신경 신경파괴블럭 후 발생한 간염
이상은,최석환,김영환,임세훈,이정한,이근무,정순호,최영균,김영재,신치만 인제대학교 2008 仁濟醫學 Vol.29 No.-
Splanchnic neurolytic block(SNB) with alcohol improves the management of pancreatic cancer pain. Adverse effects of alcohol SNB which include regional pain, hypotension, diarrhea, and acute alcohol intoxication are common, but acute hepatitis caused by alcohol neurolytic block is rare. A 63-year-old patient with pancreatic head cancer and liver metastasis had complete pain relief after both retrocrural tansdiscal SNB with 100% alcohol 10 ml. But, 1 day later, liver function test showed a high elevation in the aspartate aminotransferase (AST, 2182 IU/L) and alanine aminotransferase (ALT, 1807 IU/L). The patient had slight jaundice, general weakness, chilling, nausea and vomiting after SNB. Both AST and ALT decreased to 46 and 119 IU/L within 10 days with only supportive therapy. But, 19 days later, the patient died due to pneumonia. Our case illustrates the importance of clinical surveillance especially in patient with hepatic disease after alcohol SNB.
BRS 생체정보 분석방법(分析方法)의 정확도(正確度) 확인 연구
유상구,임무열,오상문,유경배,신연호,박병운,이완희 한국정신과학학회 1998 韓國精神科學學會誌 Vol.2 No.2
BRS는 인간의 잠재능력을 적극적으로 계발 · 활용하여 임의의 시료에 대한 미지 (未知)의 생체정보 (Bio-Information)를 편리하게 분석할 수 있는 효과적이고 경제적인 분석장비이다. 그러나 BRS와 관련된 분석방법 자체의 정확도에 대한 연구는 충분하게 이루어지지 않고 있다. 그래서 BRS 분석방법의 정확도를 과학적으로 확인해보기 위해서 본 연구를 진행했다 실험결과, BRS에 의한 생체정보 분석방법 의 정확도는 측정자의 숙련정도에 따라 다르지만 고급 측정자의 경우에는 95% 이상의 높은 확률로 표준시료의 생체정보를 정확하게 분석할 수 있으며, 측정자의 분석능력이 떨어지는 경우에는 여러 명의 측 정자를 대상으로 비교검토(Cross-Check) 방식으로 실험을 보완하면 90% 이상의 정확도를 확보할 수 있었다. BRS is a sort of analysis-instrument which help to estimate some Bio-Information for a sample conveniently and effectively But, for lack of the study to verify the confidence-degree of the Bio-Information analysis method related to BRS, the availability of the method is not known clearly yet, It was the reason that made authors perform this study And It was possible to arrive at the following two conclusions I though the confidence-degree of the Bio-Information analysis method ny BRS was different according to the degree of the expertness of a person using the instrument in the case of the very skillful expert, the confidence-degree for the standard sample used in this study was reached to 95% up 2 In the general case, to improve of the confidence-degree of the Bio-Information analysis method by BRS, the cross-check method by the several measuring person can be introduced.
정두신,성기범,신현길,안무영,김형수,홍영의 大韓産業醫學會 1999 대한직업환경의학회지 Vol.11 No.4
Objectives : Entrapment of the suprascapular nerve is frequently overlooked in the differential diagnosis of shoulder pain. Methods : Suprascapular entrapment neuropathy is a well-defined clinical entity and EMG and NCV is used to confirm a diagnosis. But the diagnosis typically not considered until patients develop severe weakness secondary to atrophy of the spinous musculature that the nerve supplies. Results : A narrow suprascapular notch has rarely been reported as a work-related factor of this entrapment neuropathy. Diagnosis of suprascapular entrapment neuropathy is based on the patients' clinical course, neurologic, radiologic, and electrophysiologic findings. One of the most helpful evaluations was anteriorposterior projection with the X-ray tube angled 15-30 degree caudally. The suprascapular entrapment neuropathy is relatively uncommon entity of shoulder discomfort(pain, weakness, and atrophy). Conclusions : If the worker who used his shoulder joint repetitiously having the shoulder pain and muscle weakness, we must rule out the suprascapular entrapment neuropathy. And it is needed to evaluate the motions which cause suprascapular entrapment neuropathy as the ergonomic factor.