http://chineseinput.net/에서 pinyin(병음)방식으로 중국어를 변환할 수 있습니다.
변환된 중국어를 복사하여 사용하시면 됩니다.
주홍일,( Muruganantham Rethinasabapathy ),강성민,허윤석 한국공업화학회 2019 한국공업화학회 연구논문 초록집 Vol.2019 No.0
Multifunctional Fe-aminoclay/carboxymethyl cellulose/polyhedral oligomeric silsesquioxane composite (FeAC/CMC/POSS) with layered structure was successfully synthesized and utilized as adsorbent for the removal of cesium ions (Cs+) and cationic dyes methylene blue (MB) and chrysoidine G (CG). The FeAC/CMC/POSS exhibit excellent adsorption capacities for Cs+ ions, MB and CG of 152, 438 and 791 mg g-1, respectively. The unprecedented adsorption capacities for Cs+ ions, MB and CG may be attributed to (i) the layered morphology of the composite and-NH2 groups on clay surface; (ii) existence of-COO-and-OH- groups on the CMC backbone. More importantly, the incorporation of POSS increases the interlayer spacing of Fe-aminoclay providing room for the encapsulation of Cs+ ions and dye molecules. Owing to superior adsorption capacity, the devised FeAC/CMC/POSS composite could be a promising organic-inorganic material used to cost-effectively remove the multitude of environmental pollutants.
주홍일,( Muruganantham Rethinasabapathy ),박범준,차영록,허윤석 한국공업화학회 2019 한국공업화학회 연구논문 초록집 Vol.2019 No.0
Microbial fuel cells (MFC) are bioelectrochemical systems designed to convert the chemical energy contained in organic matter into electrical energy utilizing catalytic (metabolic) activity of microorganisms. The fabrication of novel carbon materials as anodes to generate power without the utilization of noble metals is a hot-spot in the research of MFC. In the present work, silver grass (Miscanthus sinensis) has been used as an anode material for achieving higher power density and to remove heavy metals (Cr, Co and Cu) from contaminated wastewater through microbial fuel cell. The biomass carbon powder obtained from silver grass exhibited high specific area (2700 m2 g-1) with excellent porous structure which facilitates the growth of bacteria (E. Coli) during the MFC operation and resulted in delivering high power output with the decontamination of contaminated waste water by removing the heavy metals.
태양광열 복합 모듈을 활용한 공기열원 히트펌프 실외기 가열 시스템 개발
주홍진(Joo Hong-Jin),안영섭(An Young-Sub),이경호(Lee Kyoung-Ho) 한국태양에너지학회 2023 한국태양에너지학회 논문집 Vol.43 No.6
In this study, a convergence technology that can be linked with photovoltaic thermal (PVT) modules was derived to increase the performance and efficiency of air source heat pumps that are currently most widely used as cooling, heating, and domestic hot water supply equipment in public buildings. The solar energy and air source heat pump convergence technology developed through this study was an indirect supply type outdoor unit heating system that supplied heat energy acquired through a PVT module by increasing the temperature of the air flowing into the outdoor unit when the heat pump heating mode was operating. A bench-scale test device was designed and manufactured to verify the performance of the outdoor unit heating system of an air source heat pump using a PVT module. The performance evaluation confirmed that the heating performance of the air source heat pump was improved compared with that of the conventional air source heat pump without the heating system under the same test conditions. In addition, the heating demonstration was performed by applying the air source heat pump outdoor unit heating system using a PVT module to the air source heat pump installed at the Seodaemun Fire Station Hongeun 119 Safety Center, where an actual public building was remodeled. Consequently, the air source heat pump was heated. The analysis revealed that COP increased by more than 0.5.
태양열 해수담수화 시스템을 위한 저압 증발식 다중효용 담수기 성능연구
주홍진(Hong-Jin Joo),곽희열(Hee-Youl Kwak) 대한설비공학회 2012 대한설비공학회 학술발표대회논문집 Vol.2012 No.6
This study was accomplished to evaluate the performance of Multi Effect Distillation(MED) for solar thermal desalination system. It was designed Multi effect distillation with 3㎥/day capacity and Shell&Tube type heat exchanger. Also, The effective heat transfer of Shell&Tube heat exchanger was used Cu(90%)-Ni(10%) corrugated tube. The parameters relating to the performance of Multi Effect Distillation are known as hot water flow rate. The experimental conditions for each parameters were 18 ℃ for sea water inlet temperature, 6㎥/hour sea water inlet volume flow rate, 75 ℃ for hot water inlet temperature, 2.4, 3.6, and 4.8 ㎥/hour for hot water inlet volume flow rate, respectively. The results are as follows, Development for Multi effect distillation was required about 40kW heat and 35kW cooling source to produce 3㎥/day of fresh water. And, Performance ratio of Development Multi effect distillation was about 2.0191.
주홍구,Joo, Hong-Gu The Korean Society of Veterinary Science 2003 大韓獸醫學會誌 Vol.43 No.4
Dendritic cells (DCs) play an essential role in a variety of immune reactions involving $CD4^+$ T cells and have been used to enhance tumor-specific immune responses. Immunosuppression in patients with cancer includes the downregulation of function and number of DCs. Although DCs have been studied, the apoptosis of Des induced by anticancer drugs for chemotherapy remains largely uncharacterized. This study demonstrated that GM-CSF protects DCs from 5-fluorouracil (5-FU) or mitomycin C-induced apoptosis. After 6 - 10 days culture, DCs were characterized by specific surface marker, CD11c and MHC class II. MTT assay revealed that GM-CSF significantly enhanced the viability of DCs treated with 5-FU or mitomycin C. The percentage of dead cells of DCs was determined by cell size using FACScan and GM-CSF was clearly effective. However, GM-CSF did not increase the expression of MHC class II on viable DCs gated, suggesting that GM-CSF may differentially regulate critical factors involved in the function of DCs. For the quantitative analysis of apoptosis, annexin V-FITC staining was performed. 5-FU induced the apoptosis of DCs and GM-CSF significantly protects DCs from 5-FU-induced apoptosis. Taken together, the results in this study that GM-CSF has an anti-apoptosis effect on DCs may provide patients with cancer with clinical benefits to overcome the immunosuppression induced by the decrease of number and functional insufficiency of DCs.
지연성 요추 부위 Morel-Lavalee Lesion에 대한 경피적 배농술 및 경화술을 이용한 치료 - 2명의 사례 보고 -
주홍실 ( Hongsil Joo ),서상교 ( Sang Gyo Seo ),이상열 ( Sang Yeul Lee ),성건용 ( Kun Yong Sung ) 대한골절학회 2016 대한골절학회지 Vol.29 No.4
비개방적인 박탈성 손상은 근막과 피하조직 사이의 분리와 연관되는 중요한 연부조직 손상이다. 이러한 Morel-Lavallee lesion 의 진단은 임상적 영상학적으로 이루어지지만, 약 1/3에서 적절한 진단을 내리지 못하는 경우도 많고, 치료에의 어려움도 있다. 본 연구에서는 골절이 동반되지 않은 지연성 Morel-Lavallee lesion에 대해 경피적 배농술 및 경화술을 통한 치료 증례를 보고하고자 한다. 본 증례에서는 최소 침습 경피적 접근을 통하여 성공적인 병변의 치료를 얻었다. 이러한 치료는 피하의 혈류를 보존할 수 있어 절개 수술에 비해 피부의 손상을 최소화할 수 있을 것으로 판단된다. Closed internal degloving is a significant soft-tissue injury associated with a trauma that results in a tear of the subcutaneous tissue away from the underlying fascia. Although the diagnosis of Morel-Lavallee lesion (MLL) is routinely based on clinical and radiological examinations, in one-third of the cases, there is a possibility that clinicians may fail to diagnose MLL due to its inconsistent clinical manifestations. Additionally, it often involves initial skin bruising due to underlying soft-tissue injury. We present two cases of delayed MLL without a fracture treated using percutaneous drainage and sclerotherapy. Our cases demonstrated successful treatment with a minimally invasive percutaneous approach. The potential advantage of using a percutaneous technique is to preserve the subdermal arterial plexus, which is the only remaining blood supply to the skin in the area of the lesion. Maintaining this blood supply may result in healthier skin at the time of any open procedure.
수치해석을 이용한 담수장치용 이젝터의 노즐위치 변화에 따른 이젝터 유동특성 연구
주홍진(Joo Hong-Jin),정일영(Jung Il-Young),윤상국(Yun Sang-Kook),곽희열(Kwak Hee-Youl) 한국태양에너지학회 2011 한국태양에너지학회 논문집 Vol.31 No.3
In this study, the ejector design was modeled using Fluent 6.3 of FVM(Finite Volume Method) CFD(Computational Fluid Dynamics) techniques to resolve the flow dynamics in the ejector. A vacuum system with the ejector has been widely used because of its simple construction and easy maintenance. Ejector is the main part of the desalination system, of which designs determine the efficiency of system. The effects of the ejector was investigated geometry and the operating conditions in the hydraulic characteristics. The ejector consists mainly of a nozzle, suction chamber, mixing tube (throat), diffuser and draft tube. Liquid is supplied to the ejector nozzle, the fast liquid jet produced by the nozzle entrains and the non condensable gas was sucked into the mixing tube. The multiphase CFD modeling was carried out to determine the hydrodynamic characteristics of seawater-air ejector. Condition of the simulation was varied in entrance mass flow rate (1㎏/s, 1.5㎏/s, 2㎏/s, 2.5㎏/s, 3㎏/s), and position of driving nozzle was located from the central axis of the suction at -10㎜, 0㎜, 10㎜, 20㎜, 30㎜.. As a result, suction flow velocity has the highest value in central axis of the suction.
태양열 해수담수화를 위한 증발식 다중효용 담수기 성능평가
주홍진(Joo Hong-Jin),곽희열(Kwak Hee-Youl) 한국태양에너지학회 2011 한국태양에너지학회 학술대회논문집 Vol.2011 No.4
This study was accomplished to evaluate the performance of Multi Effect Distillation(MED) for solar thermal desalination system. It was designed Multi effect distillation with 3㎥/day capacity and Shell&Tube type heat exchanger. Also, The effective heat transfer of Shell&Tube heat exchanger was used Cu(90%)-Ni(10%) corrugated tube. The parameters relating to the performance of Multi Effect Distillation are known as hot water flow rate. The experimental conditions for each parameters were 18 ℃ for sea water inlet temperature, 6㎥/hour sea water inlet volume flow rate, 75℃ for hot water inlet temperature, 2.4, 3.6, and 4.8 ㎥/hour for hot water inlet volume flow rate, respectively. The results are as follows, Development for Multi effect distillation was required about 40㎾ heat and 35㎾ cooling source to produce 3㎥/day of fresh water. And, Performance ratio of Development Multi effect distillation was about 2.0191.