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유출수 재순환 및 내부반송이 UASB 반응조 운전효율에 미치는 영향
김진혁 ( Jin Hyok Kim ),한성국 ( Seong Kuk Han ),권오훈 ( Oh Hoon Kwon ),윤경진 ( Kyung Jin Yoon ),김재용 ( Jae Yong Kim ) 한국공업화학회 2011 공업화학 Vol.22 No.2
런던협약에 의해 2012년부터는 폐기물 해양투기가 전면 금지될 것이다. 따라서 지상에서의 음식폐기물 처리방법의 모색이 시급한 실정이다. 위 문제의 해결방안은 UASB 공법을 이용하여 음폐수로부터 자원화개발을 하는 것이다. 본 연구에서는 유출수의 재순환 및 내부반송이 유기물 제거효율과 바이오 가스 생성에 미치는 영향을 알아보았다. 25일 동안은 내부순환만 실시하였고, 그 후엔 유출수 재순환을 실시하였다. 실험 결과 운전기간동안 유기물 제거효율은 90% 이상으로 나타났고, 메탄수율은 78~80%로 나타났다. 또한, 유출수 반송을 3 Q 이상으로 반송하여 운전할 경우 수산화나트륨(1 N)의 소모가 없었고, 그 결과 경제적이며 안정적인 운전을 할 수 있었다. Dumping of wastes at sea will be strongly prohibited from 2012 by London Dumping Convention. So, finding the method for treatment of food waste at ground is needed urgently. The solution for above mentioned problem is the resource development from food waste leachate by using Upflow Anaerobic Sludge Blanket (UASB) process. In this research, we try to find out the effect of effluent recirculation and internal return influence on organic removal efficiency and biogas production. Laboratory investigation was conducted for 25 days with only internal recycling, and then, effluent recirculation was performed. As the result of experiments, the organic removal efficiency was above 90%, and the content of methane was 78~80% during operating time. Also, when UASB reactor was operated to over the 3 Q effluent recirculation, there was not 1 N-NaOH consumption any more, therethrough the experiment was economically and stably carried out.
족관절 추나요법을 병행한 족관절 염좌 환자의 호전 비교
최유진,김정현,윤경진,여인호,이참결,이은용,노정두,Choi, You-Jin,Kim, Jung-Hyun,Yoon, Kyung-Jin,Yeo, In-Ho,Lee, Cham-Kyul,Lee, Eun-Yong,Roh, Jeong-Du 척추신경추나의학회 2012 척추신경추나의학회지 Vol.7 No.2
Objectives : The purpose of this study is to compare with the effect of general oriental medical treatment with or without ankle joint Chuna Manual Therapy for acute ankle sprain. Methods : We investigated 36cases of ankle sprain patients, and devided patients into two groups: One was treated general oriental medical treatment(Control Group) and the other was treated ankle joint Chuna Manual Therapy with general oriental medical treatment(Experimental Group). Results : 1. Each Group had significantly decrease in Visual Analogue Scale(VAS) and significantly increase in Ankle-Hind-foot Scale(AHS) after treatment. 2. Experimental Group was significant differences in Visual Analogue Scale(VAS) and Ankle-Hind-foot Scale(AHS) compare to Control Group. Conclusions : In this clinical study, general oriental medical treatment with ankle joint Chuna Manual Therapy was more effective in reduce ankle sprain pain and improve ankle joint function.
박인규 ( In Kyu Park ),황윤진 ( Yoon Jin Hwang ),권형준 ( Hyung Jun Kwon ),윤경진 ( Kyung Jin Yoon ),김상걸 ( Sang Geol Kim ),천재민 ( Jae Min Chun ),박진영 ( Jin Young Park ),윤영국 ( Young Kook Yun ) 대한외상학회 2012 大韓外傷學會誌 Vol.25 No.4
Purpose: Severe pancreaticoduodenal injuries are relatively uncommon, but may result in high morbidity and mortality, especially when management is not optimal, and determining the appropriate treatment is often difficult. The objective of this study was to review our experience and to evaluate the role of a pancreaticoduodenectomy (PD) in treatment of pancreaticoduodenal injuries. Methods: We performed a retrospective review of 16 patients who underwent an emergency PD at our hospital for severe pancreaticoduodenal injury from 1990 to 2011. Demographic data, clinical manifestations, mechanism and severity of the injury, associated injuries, postoperative complications and outcomes were reviewed. Results: The mean age of the 16 patients was 45±12 years (mean±standard deviation), and 15(93.8%) patients were male. All patients underwent an explorative laparotomy after a diagnosis using abdominal computed tomography. Almost all patients were classified as AAST grade higher than Ⅲ. Thirteen(83.3%) of the 16 patients presented with blunt injuries; none presented with a penetrating injury. Only one(6.3%) patients had a combined major vascular injury. Fifteen patients underwent a standard Whipple`s operation, and 1 patient underwent a pylorus-preserving pancreaticoduodenectomy. Two of the 16 patients required an initial damage-control procedure; then, a PD was performed. The most common associated injured organs were the small bowel mesentery(12, 75%) and the liver(7, 43.8%). Complications were intraabdominal abscess(50%), delayed gastric emptying(37.5%), postoperative pancreatic fistula(31.5%), and postoperative hemorrhage (12.5%). No mortalities occurred after the PD. Conclusion: Although the postoperative morbidity rate is relatively higher, an emergency PD can be perform safely without mortality for severe pancreaticoduodenal injuries. Therefore, an emergency PD should be con-sidered as a life-saving procedure applicable to patients with unreconstructable pancreaticoduodenal injuries, provided that is performed by an experienced hepatobiliary surgeon and the patient is hemodynamically stable. (J Trauma Inj 2012;25:115-121)
Porcine Circovirus Infection in Weaned Pigs with Postweaning Multisystemic Wasting Syndrome in Korea
김재훈,노인순,손현주,진영화,황의경,윤경진,Kim, Jae-hoon,Roh, In-soon,Sohn, Hyun-joo,Jean, Young-hwa,Hwang, Eui-kyung,Yoon, Kyoung-jin The Korean Society of Veterinary Science 2003 大韓獸醫學會誌 Vol.43 No.3
Eight nursery to grower pigs exhibiting weight loss and sudden death were diagnosed as postweaning multisystemic wasting syndrome (PMWS) based on the results of gross findings, histopathology, immunohistochemistry, fluorescent antibody test, virus isolation, PCR, serology, and electron microscopy. Groosly, the pigs had a rough hair coats and were severely emaciated. And moot lymph nodes were pale and enlarged. Lungs were not fully collapsed and exhibited 10 to 40% pale red cranioventral consolidation. Histopathologically, typical lymphohistiocytic interstitial to bronchointerstitial pneumonia, chronic lymphadenitis, severe lymphoid depletion, and basophilic intracytoplasmic inclusions were noted in the most lymphoid tissues. Porcine circovirus panicles were observed in the inguinal lymph node of the pigs by electron microscopy. Porcine circovirus type 2 (PCV2) antigens or viral DNAs were detected in the lesions of all pigs using immunohistochemistry or PCR. Two PCV2 were isolated from a homogenate of pooled lung and lymph node in 2 of the 5 pigs. Additionally, antigens of porcine reproductive and respiratory syndrome virus (PRRSV) and Hemophilus (H.) parasuis were also detected by immunofluorescent antibody test. Serologically, 55% of randomly selected sows and fattening pigs was serum antibody positive to PCV2 by an indirect fluorescent antibody (IFA) test and approximately 18 % of animals in the herd were serologically pooitive by the ELISA kit for PRRSV. To our knowledge, this is the first report of PMWS co-infected with PCV-2, PRRS, and H. parasuis in Korea.
전철구 ( Cheol-ku Jeon ),장상환 ( Sang-hwan Jang ),윤경진 ( Kyung-jin Yoon ),정철희 ( Cheol-hui Jeong ) 국군의무사령부 2012 대한군진의학학술지 Vol.43 No.1
Objective : The Asbestos has been widely used in various occasions because of its superior physical properties with small expenses. But it has been associated with malignant mesothelioma or lung cancer with relatively long latency period. Use of asbestos was banned worldwide since 1980s. In Korea, the products with asbestos contents exceeding 1 % of total weight should be treated with caution by the authorized specialists. Because there are increasing concerns about the health risks associated asbestos dispersion during the renewal or dismantlement, we tried to elucidate the potential hazard of the military facilities in the ROK army. Method : The solid samples were analyzed by PLM(Polarized Light Microscope) and the airborne samples were analyzed by PCM(Phase Contrast Microscope). Results : Asbestos were found in 307(82.7%) out of total 371 samples. The 307 samples were chrysotile. A result of airborne asbestos was 0.521ea/㎤ of the 9 samples at a warehouse, which exceeds the exposure level(0.1ea/㎤). Conclusion : The exposure to the asbestos is rarely occurred during the ordinary activities. But the possibility of asbestos exposure increases during renewal or dismantlement or damage of the facilities. Therefore, to protect the health of the soldiers from the asbestos exposure, we should concentrate our efforts to find the hazardous places and to control the risks.