강원남부 폐광지역 개발기금 사업의 경제적 효과 : 2001~2021년간의 기금사업을 중심으로

유원근(Won Keun Yu),최호영(Ho-yeong Choi),김승렬(Seung-Leul Kim) 한국산학기술학회 2022 한국산학기술학회논문지 Vol.23 No.11

본 논문은 2001년부터 2021년 기간의 강원남부 폐광지역 4개 시군을 대상으로 전개된 폐광지역개발기금 투자의 경제적 파급효과를 실증적으로 분석함을 목적으로 한다. 이 기간 동안 연차별 투자 건수 1,220개로 구성된 691개의 재원 사업이 이행되었다. 분석대상 기간 동안 연차별로 투자된 재원의 합계는 총 1조 6,180.5억원이며, 지역산업연관분석을 통해 실증적으로 경제적 파급효과를 도출하는 것이 본고의 목적이다. 폐광지역개발기금의 투자금액의 면에서 보면, 대체로 생산유발효과가 상대적으로 낮은 3차산업 부문에 대한 재원의 비중이 큰 것으로 나타났다. 그러나 다른 한편으로 고려해야 할 점은 3차산업 부문의 취업유발효과가 이 지역에서 타 산업에 비해 높다는 점이다. 이러한 산업구조적 특성을 토대로 향후 폐광지역개발기금 사업의 경제적 효과를 최적화시키기 위해서는 유발계수 값의 분포를 고려한 재원의 배분 계획을 마련할 필요가 있다. 본고의 추정결과는 향후 폐광지역 개발기금의 합리적인 배분을 위한 실증적 기초 자료로서의 역할을 할 것으로 기대된다. This study aimed to analyze the economic effects of the closed mine area development fund on the southern part of the Gangwon provinces during the period 2001~2021. In this time frame, 691 financial projects comprising 1,220 items in the annual base were carried out and the total amount of investment was 1,618.05 billion Won. The main goal of this study was to derive empirical evidence about the economic effect of this fund through the regional industrial input-output tables. An analysis of the distribution of financial resources available to the specific fields revealed that the portion of funds invested in the tertiary industry sector has a low production inducement effect, which was not comparable with other industries. However, the movement of the employment inducement coefficient of tertiary industries led by the services sector in this area is comparatively high. Based on the regional character of the industrial structure, it is necessary to make a deliberate funds distribution plan taking the movement of the above inducement coefficients into consideration, to optimize the economic effect of the closed mine area development fund. The empirical output derived from this study would assist policymakers in establishing an effective distribution strategy for the closed mine area development fund in the future.

대기입자 포집에 의한 공기중 최소검출 방사능농도의 결정

최종서,이원근 경희대학교 환경연구소 1997 環境硏究 論文集 Vol.7 No.-

The role of atmospheric radionuclide monitoring system is to measure the airborne radionuclide released from the nuclear explosive test or nuclear facility. Determination of the MDC(Minimum Detectable Concentration)s of 13 important radionuclides is essential for effective operation of the atmospheric radionuclide monitoring system under the CTBT(Comprehensive Test Ban Treaty) requirement. The radon and thron progeny exert a significant effect in determining the MDCs. The optimum decay and counting times were estimated through a series of experiments on the MDC. It was shown from the experimental results that for long-lived radionuclides, the MDCs were decreased slowly by elapsing the decay time, whereas the MDCs of short-lived radionuclides were increased continuously. In addition, the MDCs of most radionuclides are shown to decrease exponentially as counting time increases. By considering these analysis results, the optimum time parameters which could be satisfied with the CTBT technical requirements were determined. As above results, the optimum decay and counting times were selected 22 hour and 18 hour, respectively.

흡착특성이 다른 내분비계 장애물질 3종, Amitrol, Nonylphenol, Bisphenol-A의 GACs에서의 흡착 특성

최근주,김상구,권기원,지용대,김승현,김창원 한국물환경학회 2004 한국물환경학회지 Vol.20 No.3

Adsorption characteristics of three endocrine disruptors, amitrol, nonylphenol, and bisphenol-A, were evaluated depending on the type and service duration of activated carbon (AC). Bituminous coal-, wood-, and coconut-based coals were tested. Bituminous coal-based AC (BCAC) had the greatest sorption capacity for the three chemicals tested, followed by wood-based AC (WAC) for nonylphenol and coconut palm-based AC (CAC) for bisphenol-A. During the column test, amitrol removal efficiency increased over time, indicating that hydrophilic endocrine disruptors are biodegraded in the AC column. Removal efficiencies of hydrophobic compounds such as nonylphenol and bisphenol-A decreased over time since the main removal mechanism was adsorption. The order of the amitrol removal was: BCAC-5.9 yr , CAC-3.1 yr > BCAC-2.2 yr > BCAC-virgin > CAC-virgin > WAC-virgin > WAC-3.1 yr. In general, used AC had greater removals than virgin AC. The order of the bisphenol-A removal was: CAC-virgin > BCAC-2.2 yr > CAC-3.1 yr > WAC-virgin > BCAC-5.9 yr > WAC-3.1 yr. The order of the nonylphenol removal was: BCAC-virgin > WAC-virgin > CAC-3.1 yr ,WAC-3.lyr> BCAC-2.2 yr > BCAC-5.9 yr > CAC-3.1 yr. Bituminous coal AC performed the best over time. Endocrine disruptors such as these three compounds appear to be removed effectively by activated carbon through biodegradation and adsorption. Wood and coal based among the virgin ACs and 3.1 years used wood base among the used ACs appeared the lowest carbon usage rate(CUR) for nonylphenol removal by prediction model. Virgin and used coconut base ACs except BCAC had the lowest CUR for removal Bisphenol-A. Biodegradation of nonylphenol and Bisphenol-A did not occurred during the 9,800 bed volume experiment period. BCAC had the highest biodegradation capacity of 46% for amitrol among virgin ACs and the used coal based ACs had 33-44% higher biodegradation capacity than virgin's for amitrol so biodegradation is the effective removal technology for hydrophilic material such as amitrol.

농장 사육되는 타조에서 나타난 다리 기형의 증례 보고

최종윤,손화영,전무형,조성환,김혜성,류시윤,박배근,이영원,윤원기 충남대학교 수의과대학 동물의과학연구소 2001 動物醫科學硏究誌 Vol.9 No.-

Two farmed young ostrich chicks were applied to pathology laboratory at Chungnam National University. Grossly, one ostrich showed rotated tibiotarsus, the other showed rolled toes. Case 1 ostrich was hypertrophy of fibualis longus and tibial cranialis tendon and gastrocnemius tendon in crus, inflammation of flexor digitorum longus. In histopathological views, myocytes of fiburalis longus were showed hypertrophy and hyperplasia. It is not found any specific feature in X-ray of the case 2 ostrich. Limb deformities were detected frequently in farmed ostrich chicks in 2- to 3 weeks old. Limb deformities were an important cause of mortality in farmed ostrich chicks during the first 10weeks after hatch. Cause of limb deformities were considered a nutrition problem.

미세 골절 진달을 위한 초음파 C-scan의 활용 가능성

박원근,최민주,이원흠,이윤준,이헌주,강창익,박전홍 제주대학교 공과대학 첨단기술연구소 2001 尖端技術硏究所論文集 Vol.12 No.2

The study examines the medical potential of an ultrasonic C-scanning technique and for diagnosis of the fatigue induced micro-fractures of the bone. In general, it is not easy to detect the micro­fracture by a simple radiological technique. In the study, the micro­fractures were made on the tibia taken from pigs using a three point bending. Comparison was made between the ultrasonic C-scan images (25 MHz) and X-ray images of the bones with the micro-fractures, It was found that the micro-fractures invisible on the X-ray images were observed on the ultrasonic images. It is proposed further in-vitro and in-vivo studies making the ultrasonic C-scan technique clinically useful for the diagnosis of the fatigued induced micro-fractures of the bone which are not possible to detect by the conventional radiological method.

유산균의 배양 및 건조조건에 관한 연구 : 제1보 유산균의 배양조건에 관한 연구 partⅠ.Optimum Cultural Conditions of Lactic Acid Bacteria

신원철,윤주천,김갑수,최승락,이근억,유주현 江原大學校 産業科學硏究所 1981 産業技術硏究 Vol.1 No.-

In order to use as a starter after drying, optimum growth conditions of Str. thermophilus and L. bulgaricus were investigated. The results were as follows. The growth of Str. thermophilus was reached at stationary phase after 12 hours incubation and L. bulgaricus was after 6 hours. Str. thermophilus was grown well, in the medium containing 10% of skim milk, 2%5 of sucrose, 0.1% of KCl and 0.015%(v./v.) of soy-sauce. In the case of L. bulgaricus, 10% of skim milk, 2% of glucose, 0.5% of bacto-peptone, 0.1% of K₂HPO₄ and 0.02% of pyridoxine was suitable for the maximum growth.

골다공증 진단에 피부 두께의 임상적 유용성 평가

박원근,최민주,김호찬,조성제,박전홍 제주대학교 공과대학 첨단기술연구소 2001 尖端技術硏究所論文集 Vol.12 No.2

The study was carried out to examine how much clinically useful was the skin thickness in diagnosis of osteoporosis. The project was to look into not only the presumption that patients with osteoporosis have the skin loss at the similar rate of the reduction in the collagen content of the bone but also the correlation between the collagen content and the skin thickness. The skin thickness was measured on the dorsal hand(right) of the patients using an ultrasonic technique with a 20 MHz focused ultrasonic transducer. Measurements of the bone density of the patients were made on both the lumbar spine (L2-4) and the femoral neck using Dual­Energy X­ray Absorptionmeter(DEXA, Norland). An ultrasonic bone densitometer(Mark 6000, Medison Co. Korea) was taken to measure the speed of sound (SOS) on the calcaneus. It was observed that there were some degrees of correlation between the bone density obtained by the DEXA and the SOS of the calcaneous (P<0.01). There was no evidence that the skin thickness was correlated with the DEXA produced bone density and ultrasonically measured SOS.

SO₂와 NOx 동시제거를 위한 흡수제의 반응특성

이형근,최원길,박영성 大田大學校 環境問題硏究所 1997 환경문제연구소 논문집 Vol.2 No.-

Recently the more stringent emission standards of government promulgate the incentive for developing the technology capable of simultaneous removal of SO₂ and NOx from flue gas. This study was to develope an enhanced absorbent in reactivity and adsorption ability for removing SO₂and NOx from flue gas. The characteristics of spray drying absorption(SDA) process and status of SDA process were studied, as well as analysis of properties of absorbent and its manufacturing method. CaO, MgO, and NaHCO₃were selected as a alkali reagent, and they were mixed with fly ash(FA) or activated carbon powder(AC) and their the reactivity and adsorption ability toward SO₂and NOx were greatly enhanced through got water curing process. Among the highest. The surface area of MgO mixed with FA(30%) was greater than NaHCO₃, but the SO₂and NOx removal performance of MgO mixed with FA(30%) was much lower than that of NaHCO₃. The removal quantity of SO₂and NOx per mole of NaHCO₃mixed with FA(30%) was 2.7 mole, this meant that the effect of physical adsorption was greater than chemical reaction between absorbent and acid gases.

除草劑의 種類와 施用量 및 플라스틱 필름 멀칭이 雜草發生과 고추의 收量 및 生育에 미치는 效果

李政明,曺哉銑,崔根元 慶熙大學校 1983 論文集 Vol.12 No.-

Studies were conducted to investigate the effect of Lasso [Alachlor: 2-Chloro-2'6'-dimethyl-N-(methoxymethyl) acetanilied]on mulched and nonmulched hot pepper filed. Lasso treatment greatly inhibited weed growth and the granular formulation was more effective than emusifiable concentrate in controlling weed growth in both mulched and nonmulched plots. Lasso effect was not apparent about 50 days after treatment. The growth of pepper plant was greatly promoted by mulching and yield of green peppers was more than doubled by transparent polyethylene film mulching. There was no plant in the entire plot which showed apparent phytotoxicity by Lasso treatment.

除草劑의 種類와 施用量 및 플라스틱 필름 멀칭이 雜草發生과 고추의 收量 및 生育에 미치는 效果

李政明,曺哉銑,崔根元 경희대학교 부설 식량자원개발연구소 1983 硏究論文集 Vol.4 No.-

Studies were conducted to investigate the effect of Lasso [Alachlor: 2-Chloro-2’6’-dimethyl-N-(methoxymethyl) acetanilied] on mulched and nonmulched hot pepper field. Lasso treatment greatly inhibited weed growth and the granular formulation was more effective than emusifiable concentrate in controlling weed growth in both mulched and nonmulched plots. Lasso effect was not apparent about 50 days after treatment. The growth of pepper plant was greatly promoted by mulching and yield of green peppers was more than doubled by transparent polyethylene film mulching There was no plant in the entire plot which showed apparent phytotoxicity by Lasso treatment.