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방송시설 차음벽체 MOCK-UP TEST 필요성에 대한 사례연구
김남돈,김형진,조경준 한국문화공간건축학회 2016 한국문화공간건축학회논문집 Vol.- No.56
Sound insulation efficiency is more important in broadcast system in contrast to usual buildings. Therefore, the efficiency from simulation of sound insulation is applied to design in planning phase; however, measured sound insulation efficiency after completion is normally indicated lower than the planned efficiency. Thus, in this study, it is willing to implement MOCK-UP TEST on sound insulation wall materials in order to present accurate planning method before applying estimated soundproofing plan from the simulation in planning phase of broadcast facilities. For a successful investigation, experimentation is processed with a broadcast system under construction, and four different types of wall materials are chosen depending on sound source and usage of room, and required amount of acoustic isolation is designated due to acceptable indoor noise level. Moreover, MOCK-UP experimental space was built at the broadcast system site for the MOCK-UP TEST, and four types of wall materials under the simulation were observed by external institution which is requested by the construction contractor. According to result of comparing the simulation and MOCK-UP TEST, sound insulation efficiencies seem less than required in some of frequency band except one of the wall materials. If MOCK-UP TEST was not performed, it would be difficult to guarantee the required isolation efficiency after the completion. From the result, in case of constructing insulation material in building site, the efficiency would be varied due to the constructor’s ability; therefore, sufficient efficiency should be secured in advance. Also, contractor requires processing MOCK-UP TEST to make sure that sound segregation level would meet the demand after the completion. Finally, weak parts for gaining soundproofing efficiency such as joining parts of upper and lower slab of drywall, and penetrated area on sound insulation wall due to facilities have to be conducted to prevent sound leak. According to the result, in case of building which requires proper grade of acoustic isolation, MOCK-UP Test in pre-construction phase is desired to figure out quality of contractor and weakness in sound isolation. Therefore, it is expected to achieve an appropriate acoustic isolation when decent means and methods from the test are applied.
뼈에 발생한 악성 림프종 환자의 치료 효과 판정에서 ^(18)F-FDG Positron Emission Tomography의 유용성
김남돈,박연희,기승석,박용진,김형준,류백렬,김흥태,김성은,천기정,최창운,임상무 대한핵의학회 2003 핵의학 분자영상 Vol.37 No.5
원발성골림프종은 매우 드문 질환이기는 하나, 복합항암요법이나 방사선 치료등에 높은 반응율을 보이며, 좋은 예후를 가지는 림프절의 비호지킨 림프종의 일종이다. 그러나, 치료 효과 판정에 있어 골병변의 특이성에 의한 모호한 방사선학적 특징으로 어려움이 있어 왔다. 본 증례는 위와 같은 원발성골림프종 환자에서 PET 스캔을 사용하여 민감하게 완전 반응을 평가할 수 있었던 예로, 앞으로 다른 고식적인 방법과 함께 이 질환의 진단과 치료 평가 있어 유용하게 사용 될 수 있을 것으로 전망할 수 있었다. Purpose: Accurate assessment of the lesion after treatment of patients with bone lymphoma is difficult. In this patient who demonstrated complete remission after chemotherapy, the regions of fluorine-18 fluorodeoxyglucose (^(18)FFDG)PET uptake diminished more rapidly following therapy, indicating a complete response at much earlier stage than did Magnetic Resonance Imaging (MRI) or CT based findings. With the conventional methods, such as MRI and CT. It was difficult to assess whether the residual tumor tissue was viable or not. Decision to complete response is very important in patients with ymphoma to plan the further treatment. We experienced a patient with primary lymphoma of bone who revealed complete response to chemotherapy on ^(18)FFDGPET while CT showed persistent destructive bone lesion. Thus, ^(18)FFDGPET study after therapy may be superior to CT in the evaluation of response to treatment in primary lymphoma of bone.
김남돈 한국국어교육학회 2009 새국어교육 Vol.0 No.82
이 논문은 개화기 국어교과서가 가지는 국어교육사적 의의를 밝혀내는 데 가장 큰 목적을 두고 있다. 개화기에 들어서면서부터 국문이 국가적 의사소통망에서 가장 중요한 역할을 담당함에 따라, 국문에 대한 교육이 시작되고, 국어교과서가 다양하게 개발되었다. 개화기 국어교과서의 가장 중요한 목적은, 문명개화와 서구 문물에 대한 폭넓은 지식을 일반 대중들에게 알리는 것과, 국문을 읽고 쓰는 기초적 문식력의 개발에 있었다. 개화기에는 아직까지 언어규범이 정비되지 않았기 때문에 문체나, 맞춤법 등이 교과서마다 달랐으며, 민족의식을 고취하는 내용이 많이 등장하고 있다. 무엇보다 개화기 국어교과서를 통하여 국문이 공식적으로 사용되기 시작하였다. This study aims at clarifying the educational value of Korean texts in flowering time of Korea. The national language became an important communicative means driving in flowering time of korea. From that period, the education on the national language began and the text of Korean was developed variously. The most important aims of the Korean texts are to enlighten Korean, to inform the knowledge on wide western civilization to Korean and to develop ability of basic literacy of Korean, especially, Reading and Writing. Due to standard norm being in stabilized at that period, style and orthography was different from each other. And the content was focus mainly on the national consciousness. National language, above all things, began to use formally official documents.