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안지현,송인홍,강문성,Ahn, Ji-Hyun,Song, In-Hong,Kang, Moon-Seong 한국농공학회 2013 한국농공학회논문집 Vol.55 No.2
The aim of this study was to investigate chemical characteristic of livestock compost in association with livestock manure types (poultry, cattle, swine, and mixed manure). The livestock compost was collected from local nonghyup branches on a si-gun level. Chemical composition (nutrients, heavy metals etc.) of the samples was analyzed and Pearson's correlation analysis was performed. Quality of most compost samples met the standard of fertilizer specifications. Poultry compost contains greater nutrients especially $P_2O$ (p-value<0.01) and $NH_4$-N (p-value<0.05). Meanwhile swine compost has higher concentration in water content (p-value<0.05) and heavy metals (p-value<0.01 for Cd, Cu and Zn). Overall, poultry compost was correlated positively with nutrients while swine compost has positive correlation with water content and heavy metals. We expect that the study results can provide base data for determining compost types and amount for crop production.
안지현,김병주,김재근,김호진,홍계원,이희균,유재무,Ahn Ji-hyun,Kim Byeong-Joo,Kim Jae-Geun,Kim Ho-Jin,Hong Gye-Won,Lee Hee-Gyoun,Yoo Jai-Moo,Pradeep Halder 한국초전도학회 2005 Progress in superconductivity Vol.7 No.1
We investigated the surface oxidation behavior of cube-textured polycrystalline nickel at various oxidation conditions. Cube-textured NiO film was formed on a cube-textured polycrystalline nickel regardless of oxidation conditions but different growth behavior of NiO crystals was observed depending on the oxidation conditions. The introduction of water vapor into $O_2$ did not affect the texture evolution, but rough and porous microstructure was developed. Microstructure of NiO film tends to be denser as the oxygen partial pressure increases. It is interesting that (111) peak of theta - two theta diffraction pattern started to get stronger in air atmosphere and (111) plane became the major texture in the substrate oxidized in high purity argon gas. Small amount of high index crystallographic plane NiO peak crystal was observed when $N_{2}O$ was used as an oxidant while only (200) plane crystal was formed in dry $O_2$ atmosphere. Flat and smooth surface was changed into rough faceted one when ramping rate to oxidation temperature was faster. The grain size of NiO was decreased when the oxygen partial pressure was low. It was also observed that the modification of nickel surface suppressed the development of (200) texture.
안지현,임인석 대한의사협회 2011 대한의사협회지 Vol.54 No.9
The National Health Information Portal (http://health.mw.go.kr), a collaborative project by the Ministry of Health and Welfare and the Korean Academy of Medical Sciences, was officially launched in January 2011. In the modern society, the internet and smart phones have been flooded with health information, in addition to the information available through traditional media such as newspapers, television, and radio broadcasting. The Korean Medical Association and the Korean Academy of Medical Sciences have expanded their work in several directions,including a monitoring project to correct wrong health information that is commonly used. Nevertheless, they are confronted with the fundamental problem that they are unable to keep up with the speed of production and diffusion of health information in modern society. This initiative of the National Health Information Portal led by the Ministry of Health and Welfare and the Korean Academy of Medical Sciences is significant in that anyone with internet access can easily find proven health information. Unlike existing health information, the National Health Information Portal is structured to help improve understanding by presenting a variety of materials, such as cartoons, pictures, photos, and videos, as compared to simple documents or texts. In addition, it is constructed with a feedback system so that the consumer of the health information can directly and easily access specific content. Furthermore, the National Health Information Portal continues to strive to provide practical contents with mobile services like smart phone applications. We expect the National Health Information Portal to make a contribution to the prevention and treatment of disease by reducing unnecessary medical expenditures, and providing quality health information to society.
슬와 동맥 손상을 동반한 슬관절 탈구에서 혈관내 중재술 후 시행한 수술적 치료 - 증례 보고 -
안지현,김상길,Ahn, Ji Hyun,Kim, Sang Kil 대한정형외과스포츠의학회 2011 대한정형외과스포츠의학회지 Vol.10 No.2
발생 빈도가 높진 않지만, 슬관절 탈구 시 슬와 동맥 손상이 종종 동반된다. 발견된 모든 동맥 손상에 대한 치료의 필요성이 보고되어 왔으며 관혈적 수술이 보편적인 방법으로 알려져 왔다. 슬관절 탈구에 동반된 슬와 동맥 손상에 대하여 혈관내 중재술로 혈류를 회복하고 이후 손상된 인대에 대한 수술적 치료를 시행한 1례를 보고하고자 한다. Although uncommonly encountered, knee dislocation is frequently associated with popliteal artery injury. It has been reported that all detected arterial injuries warrant intervention and open surgical management is the standard of treatment. We report here on a case of endovascular intervention for popliteal artery injury in knee dislocation, and then this was treated with ligament surgery with arthroscopic and open procedure.