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홍소연(Hong, So Yeon),권순호(Kwon, Soom Ho),박세희(Park, Se Hee),김은기(Kim, Eun Kee) 한국공안행정학회 2020 한국공안행정학회보 Vol.29 No.1
이 연구는 도시근린공원에서의 범죄예방환경설계 효과성 검증을 목적으로 실시되었다. 연구목적 달성을 위해 선행연구에서 활용된 범죄예방환경설계 평가항목을 활용하여 대상 공원 두 곳의 범죄예방환경설계 수준을 객관적으로 평가하였고, 설계 수준이 우수한 공원과 낮은 공원 방문객들을 대상으로 각각 범죄피해두려움을 측정하였다. 분석결과 설계 수준이 우수한 공원보다 설계 수준이 낮은 공원에서 방문객들의 범죄피해두려움이 더 높게 나타남을 확인 할 수 있었으며, 두 공원에서 느끼는 범죄피해두려움의 평균차이는 통계적으로 유의한 차이로 확인되었다. 따라서 도시근린공원에서의 범죄예방환경설계는 이용객들의 범죄피해 두려움을 낮추는 효과가 있다고 할 수 있다. 그러나 이 연구는 범죄피해두려움에 영향을 미치는 다른 요인들을 통제하지 못하였다는 점, 조사대상 공원의 범죄예방환경설계 수준에 대한 평가의 정교성이 다소 낮다는 점 등의 한계가 존재한다. 그럼에도 불구하고 ‘CPTED 인식’과 범죄피해두려움의 관계를 주로 검토하여 효과성을 검증하고자 한 기존 선행연구와는 달리 객관적 평가척도를 활용하여 설계수준 차이에 따른 범죄피해 두려움의 차이를 검증함으로써 CPTED의 효과성을 검증하였다는 점에서 의의가 있는 연구라 하겠다. This study was conducted to verify the effectiveness of crime prevention environment design in urban neighborhood parks. To achieve the objectives of the research, the crime prevention environmental design evaluation items used in the previous studies were objectively evaluated, and the crime prevention environment design levels of two target parks were objectively evaluated. Fear of crime was measured. As a result, visitors were found to have higher fears of crime victimization in parks with lower design level than those with better design level, and the average difference between crime fears felt between two parks was statistically significant. Therefore, the design of crime prevention environment in urban neighborhood parks can be said to reduce the fear of crime victims. However, this study has limitations such as the lack of control of other factors affecting the fear of crime, and the low level of elaboration of the assessment of crime prevention environment design of the park under investigation. Nevertheless, unlike previous studies that mainly examined the relationship between CPTED awareness and fear of crime, CPTED by verifying the difference of crime damage fear according to the design level by using objective evaluation scale. It is a meaningful study in that it verified the effectiveness of.
이두형,배공영,박소홍,강연지 한국환경농학회 1999 한국환경농학회지 Vol.18 No.2
대기오염과 병충해발생과의 관계를 규명하고자 은행나무에 SO₂가스를 처리한 후, 잎끝마름병균을 접종하여 식물의 생리·생화학적인 변화를 조사하였다. 0.1㎕/ℓ의 SO₂가스를 하루 8시간씩 7일간 은행나무에 처리한 결과 Chlorosis등의 가시피해는 나타나지 않았으나, 광합성이 대조구에 비해 40%가량 감소되고, CO₂이용효율과 수분이용효율이 감소되는 현상을 보였다. 가스처리 후 병원균을 상처접종시키고 42일 뒤 SI와 SFI의 발병도를 조사한 결과 SI가 SFI에 비해 3배 가량 빠르게 병이 진전되어 있었다. 병원균의 먹이가 되는 당의 함량은 대조구, SFI, SI간에 유의성을 보일 만큼의 차이는 보이지 않았으나, 광합성은 SI가 SFI에 비해 11%가량 저하되었다. 광합성이 저하되었음에도 불구하고 당의 함량이 유지되었으므로 탄소 고정관계를 알아본 결과 CO₂ 이용효율이 저하되지 않았음을 알 수 있었다. 이와 함께 수분이용효율이 SI에서 SFI에 비해 13.2% 증가되었다. 이상의 결과를 종합해 보면, 이온유출량 등으로 보아 SO₂가스처리로 인해 식물이 연약해져 병원균에 대한 저항력이 낮아졌고, 수분이용효율의 증가로 인해 탄소 고정이 활발하게 이루어짐으로써 당이 원활히 합성되는 한편 내부적인 변화로 인해 합성된 당의 전류가 억제되어 잎에 당이 축적되었기 때문에 SI의 발병도가 훨씬 높았던 것으로 생각된다. To examine the relationship between air pollution and occurrence of disease in plants, we investigated the alteration of physiology and biochemistry of Ginkgo biloba by inoculating with Coniothyrium sp. and fumigating with 0.1㎕/ℓSO_(-2) Visual damage did not appear but photosynthesis, CO₂use efficiency(CUE) and water use efficiency(WUE) were reduced when G. biloba was exposed to SO₂for 7days (8 hours a day). When inoculated with Coniothyrium sp., the seventies of damage in G. biloba showed a threefold difference between SO₂-treatment (SI) and SO₂-free treatment (SFI) at day 42 from initial inoculation. Little difference was observed in sugar contents that may be used pathogens feed, among control, SFI and SI. In spite of the reduction in photosynthetic rate, sugar contents and CUE were maintained. WUE was enhanced 13% more at SI than SFI. The CO₂fixation boosted because of enhanced WUE, and thus sugar synthesis was not affected. In addition, sugar transport seems to be retarded for some internal alteration. Consequently, the severity of SI was more serious than that of SFI because Coniothyrium sp. easily invades into the physical texture of G. biloba weakened by SO₂fumigation and because sugar was accumulated in leaves of G. biloba.
具瀟瑛,鄭源玉,金弘洙,朴晋源,麻鎬燮 경상대학교 농과대학 부속연습림 2001 演習林硏究報告 Vol.- No.11
Table 2. Evaluation of stream water quality in three stands by Drinking water quality standard <원문참조> 임지이용에 따른 수질변화 및 오염정도를 구명하여 향후 비점오염원 관리를 위한 기초자료를 제공하고자 경남 진주시 정평리에 위치한 3개 임분(소나무, 밤나무Ⅰ, 반나무Ⅱ임분)에서 2000년 7월부터 9월까지 계류수의 수질변화를 분석하여 얻은 결과는 다음과 같다. 1. 세 임분의 계류수 pH는 소나무 임분(pH6.59)>밤나무 Ⅱ임분(ph 6.53)>밤나무 Ⅰ임분(pH 6.47)계류수 순으로 나타났다. 2. 전기전도도는 밤나무 Ⅰ임분>소나무 임분>밤나무 Ⅱ임분 계류수의 순으로 높게 나타났다. 3. 양이온은 세 임분의 계류수 모두 Ca^2+, Na^+, Mg^2+, K^+, NH_^+의 순으로 높게 나타났다. 4. 음이온은 소나무 임분과 밤나무 Ⅱ임분 계류수에서는 SO_4^2, Cl, NO_3의 순으로 높게 나타났고, 밤나무 Ⅰ임분 계류수에서는 NO_3, SO_4^2, Cl 의 순으로 높게 나타나 차이를 보였다. 5. 소나무, 밤나무 Ⅱ임분 계류수는 pH, NH_4+, NO_3, Cl, SO_4^2이 먹는 물 수질기준 범위내에 있었다. 그러나 밤나무 Ⅰ임분 계류수에서 5항목 중 NO_3는 먹는 물 수질기준을 넘어서는 범위에 있어 임지이용에 따른 하류수질의 오염이 우려되었다. 따라서 이러한 상류지역에서 오염원 차단을 위한 수질정화시설 등의 대책이 마련되어야 할 것으로 사료된다. This study was carried out to clarify the change characteristics of stream water quality by land-use of forest from July to September, 2000 in three stands(Pinus densiflora, Castanea crenata(Ⅰ), Castanea crenata(Ⅱ) stand) of Jeongpyeong-ri, Jinju-si, Gyeongnam. The mean pH of rainfall results in acid rain of 5.3. The pH of stream water in three stands was hugh in order of Pinus densiflora (pH 6.59), Castanea crenata(Ⅱ)(pH 6.53) and Castanea crenata(Ⅰ) stand(pH 6.47). The electrical conductivity of stream water was high in order of Castanea crenata(Ⅰ), Pinus densiflora and Castanea crenata(Ⅱ) stand. Cations of three stand in stream water high in order of Ca^2+, Na^+, Mg^2+, K^+ and NH_4^+. But anions of stream water in Pinus densiflora stand and Castanea crenata(Ⅱ) stand were high in order of SO_4^2, Cl and NO_3. In Castanea crenata(Ⅰ) stand cations of stream water were high in order of NO_3, SO_^2 and Cl. The level of pH, NH_4^+, NO_3, Cl and SO_4^2 of stream water in Pinus densiflora stand and Castanea crenata(Ⅱ) stand reached within the level of domestic use standard for drinking water But the level of NO_3 of stream water in Castanea crenata(Ⅰ) stand was higher than that of domestic use standard. Therefore, non-point sources like forest watersheds which are fertilizer application lands should be taken to the appropriate mitigation measures.
Effect of By-Product Gypsum Fertilizer on Methane Gas Emissions and Rice Productivity in Paddy Field
Jun-Hong Park,Yeon-Kyu Sonn,Myung-Suk Kong,Yong-Seon Zhang,Sang-Jo Park,Jong-Gun Won,Suk-Hee Lee,Dong-Hwan Seo,So-Deuk Park,Jang-Eok Kim 한국토양비료학회 2016 한국토양비료학회지 Vol.49 No.1
Rice cultivation in paddy field affects the global balance of methane (CH₄) as a key greenhouse gas. To evaluate a potential use of by-product gypsum fertilizer (BGF) in reducing CH₄ emission from paddy soil, CH₄ fluxes from a paddy soil applied with BGF different levels (0, 2, 4 and 8 Mg ha<SUP>-1</SUP>) were investigated by closed-chamber method during rice cultivation period. CH₄ flux significantly decreased (p<0.05) with increasing level of BGF application. 8 Mg ha<SUP>-1</SUP> of BGF addition in soil reduced CH₄ flux by 60.6% compared to control. Decreased soil redox potential (Eh) resulted in increasing CH₄ emission through a CO₂ reduction reaction. The concentrations of dissolved calcium (Ca) and sulfate ion (SO₄<SUP>2-</SUP>) in soil pore water were significantly increased as the application rate of BGF increased and showed negatively correlations with CH₄ flux. Decreased CH₄ flux with BGF application implied that SO₄<SUP>2-</SUP> ion led to decreases in electron availability for methanogen and precipitation reaction of Ca ion with inorganic carbon including carbonate and bicarbonate as a source of CH₄ formation under anoxic condition. BGF application also increased rice grain yield by 16% at 8 Mg ha<SUP>-1</SUP> of BGF addition. Therefore, our results suggest that BGF application can be a good soil management practice to reduce CH₄ emission from paddy soil and to increase rice yield.
Distribution of the Fairy Pitta (Pitta nympha) in the South Korea: A focus on protected areas
Gil-Pyo Hong(홍길표),Jae-Hoon Kim(김재훈),Seul-Gi Seo(서슬기),So-Yeon Cho(조소연),Bo-Yeon Hwang(황보연),Jong-Hyun Park(박종현),Seung-Yeon Lee(이승연),Ga-Young Kim(김가영),Wan-Hee Nam(남완희),Ha-Cheol Sung(성하철) 한국조류학회 2021 한국조류학회지 Vol.28 No.2
국내 팔색조(Pitta nympha) 분포 현황을 알아보고자 전국 국립공원 등 보호지역 중심으로 총 19개 지역을 조사하였고, 전문가 네트워크를 통해 자료를 보강하였다. 전국 19개 지역을 조사한 결과 북한산, 지리산 등 내륙지역 7개 국립공원에서는 팔색조가 확인되지 않았고, 경남 거제, 남해, 해남, 장흥 고흥 등 남해안과 인접한 12개 지역에서 팔색조 서식이 확인되었다. 또한 전문가 네트워크를 통해 수집한 팔색조 출현 위치 정보 82건을 분석한 결과, 전국 8개 광역지자체 모두 팔색조 서식이 확인되었고, 내륙지역(26.8%)보다 해안지역(73.2%)에서 더 많이 출현하였다. 연구 결과를 종합해보면, 우리나라의 팔색조는 주로 제주도와 남해안 지역을 중심으로 많이 분포하며, 그 보다 적은 개체수가 내륙 지역에 넓게 분포하고 있는 것으로 나타났다. The present study investigated the current distribution of Fairy Pitta (Pitta nympha) in South Korea. A total of 19 study areas, including protected areas such as national and provincial parks in South Korea were surveyed, and additional data obtained from an expert network. According to the results, Fairy Pitta was absent in seven inland national parks, including Mt. Bukhan and Chiri parks. Fairy Pitta inhabited 12 areas near the southern coast of South Korea, including Geoje, Namhae, Haenam, Jangheung, Goheung, and Gyeongnam Province. The analysis results of 82 datasets obtained from experts with regard to the locations where Fairy Pitta have been spotted showed that the bird inhabits all the eight metropolitan regions in South Korea, and is more frequently spotted in coastal areas (73.2%) than in inland areas (26.8%). The findings demonstrate that Fairy Pitta is mainly distributed in Jeju Island and the southern coast of South Korea, and is distributed in inland areas at relatively lower numbers.
Is the “ghost surgery” the subject of legal punishment in Korea?
Seung Eun Hong,Min Ki Hong,Bo Young Park,Kyong Jae Woo,So Ra Kang 대한외과학회 2018 Annals of Surgical Treatment and Research(ASRT) Vol.94 No.4
Purpose: Recently a controversy has arisen about so-called “ghost surgery” practices, and people have voiced their opinions for legal sanction against such practices, which clearly undermine the foundation of medical ethics. However, there has been a lack of legal basis for punishing those actions. The present study aims to examine which pre-existing legal provisions could be applied to regulate ghost surgery. Methods: The Korean Medical Service Act has a provision relating to informed consent to inhibit ghost surgery but does not include penalty provisions prohibiting ghost surgery itself. Also, the Korean Supreme Court precedents on this issue have not been settled as of yet. Therefore, this study referred to U.S precedents, law books, and related papers. Results: With respect to ghost surgery, we expect the charges of bodily harm, assault and battery, and fraud could be applied under Korean law, in addition to charges regarding the violation of medical law, such as the omission of entries or false entries in medical records. A patient provides consent to bodily harm prior to surgery, and only the person who is entrusted with such permission can become the operating surgeon in the operating room. Conclusion: In other words, even if other medical professionals are present in the operating room, the operating surgeon who received consent must take overall responsibility for the whole process of the surgery. A surgeon should bear in mind that a violation of such duty can constitute a criminal offense.
국내 병원 간호사와 제조업 근로자의 직업성 요통발생에 관한 고찰
박소연,홍현숙,정춘화,김현욱 가톨릭대학산업의학센타 산업의학연구소 2002 韓國의 産業醫學 Vol.41 No.2
This article reviewed studies of occupational low back pains(LBPs) and work-related factors among hospital nurses and manufacturing workers. The main purpose was to obtain basic data for preventing work-related LBPs and developing health care policies and regulations related to LBPs. We analysed 11 studies of hospital nurses and 9 studies of manufacturing workers, which were published from 1977 to 2000 in Korea. From these studies, it was found that the lifetime prevalence rates of LBP among hospital nurses were 72.3 to 81.6%, while those for manufacturing workers were 52.9 to 68.6%. Among nurses, the 20-29 age group showed the highest LBP prevalence rate, while it was the 30-40 year-old group for manufacturing workers. The highest prevalence rates were found among manufacturing workers with sitting positions, and among hospital nurses with standing position over 7 hours a day. For nurses, tasks of patients handling and postures related to patient-transfer such as reaching, lifting, pushing, and pulling were highly correlated with the occurrence of LBPs. For manufacturing workers, occurrences of LBPs were correlated highly with material handling tasks with>25 ㎏ weight and >50 numbers of repetitions. But for nurses, transfer of heavy objects weighing more than 10 ㎏ was highly correlated with LBP occurrence. Since previous studies were focused merely on the occurrences of LBPs, future studies of occupational LBPs among nurses should address those factors that are related to the development of LBPs. And more objective evaluation tools such as ergonomic job/task analysis or postural analyses using 3D or computer/video techniques should be utilized. In addition, studies on the development of LBP prevention programs and evaluating effectiveness of ergonomic intervention programs are needed.
박영준,김강연,양홍서 大韓齒科器材學會 1994 대한치과재료학회지 Vol.21 No.1
The purpose of this study was to investigate the rheological properties of a syringe type agar impression material, a zinc oxide eugenol impression paste and 6 types of elastomeric impression materials. Boiled agar impression material was cooled from 80℃ to 32℃, and its viscosity was measured during the temperature decrease at three different shearing rates. Viscosities of unmixed impression pastes were measured at three different temperature conditions and three different shearing rates. Impression materials were mixed at 23 and 30℃, and the viscosities were measured as a function of elapsed time from mixing. At 30℃ mixing condition, viscosities of condensation silicone rubber impression materials were measured with the variation of base/catalyst ratio, and viscosities of addition silicone rubber impression material with the varying amounts of retarder were measured. The results are as follow; 1. In all impression materials, viscosity values were decreased as the shear rate increased(P<0.05). 2. Viscosity of agar impression material was increased rapidly when the temperature decreased below 42℃(P<0.05). 3. Viscosities of unmixed impression materials were decreased by the increased temperature. Condensation and addition silicone rubber impression materials showed low viscosities, and polysulfide impression materials showed moderate viscosities, and polyether and zinc oxide eugenol impression materials showed much higher viscosities than other impression materials. 4. As the room temperature increased, the mixed impression materials showed significantly rapid increase of viscosities during the same lapse of time(P<0.05). Polysulfide rubber and zinc oxide eugenol impression materials retained low viscosities for longer time in the course of setting. Ramitec, polyether rubber for bite registration, attained high viscosity within short elapsed time. On the other hand, Impregum-F polyether rubber impression material showed slowed slower increase of viscosity than condensation and addition silicone rubber impression materials. 5. Viscosities of condensation silicone rubber impression material reacted sensitively with the variation of base/catalyst ratio(P<0.05). 6. Addition silicone rubber impression material mixed with 2 drops of retarder per 5 cm pastes showed no significant difference in viscosity compared with normal mixing condition(P>0.05), but 4 drop-added mix showed significant decrease in viscosity compared with normal mixing group(P<0.05).