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폐콘크리트 미분말을 이용한 유해 폐기물 고화용 시멘트의 제조
김인섭,원종한,최광휘,최상흘,이종규,손진군,심광보,Kim, In-Seob,Won, Jong-Han,Choi, Kwang-Hui,Choi, Sang-Hul,Lee, Jong-Gyu,Sohn, Jin-Gun,Shim, Kwang-Bo 한국세라믹학회 2002 한국세라믹학회지 Vol.39 No.12
폐콘크리트 미분말과 고로 슬래그를 사용하여 유해 산업폐기물 고화용 시멘트를 제조한 후 수화성상과 압축강도를 평가하고 이 시멘트를 COREX 슬러지에 첨가하여 고화처리 하였다. 폐콘크리트 미분말과 슬래그 미분말을 1:1로 하고 여기에 포틀랜드 시멘트와 반수석고를 각각 10% 첨가하여 만든 고화용 시멘트로 사용 가능한 강도를 발현하고 있었다. 이 시멘트로 COREX 슬러지를 고화한 경우에 7일에서 140 kgf/$cm^2$을 상회하는 강도를 보여 폐슬러지를 고화시켜 안정화하는데 응용할 수 있음을 확인하였다. The cement for solidification of the toxic waste was fabricated using a mixture of the waste concrete powder and blast furnace slag in the ratio of 1:1 and its hydrate morphology and compressive strength of the sample were evaluated in order to apply to the solidification of the COREX sludge. The X-ray diffraction analysis of the sample which prepared by the addition of 10% Portland cement and hemihydrate showed the presence of $Ca(OH)_2$, ettringite, gel-phase and C-S-H hydrate. Compressive strength of the sample exhibited enough high to use as a solidification cement. The strength of the sample was over 140 kgf/$m^2$ in 7 days in case of solidification of the COREX sludge and the sample possess sufficient morphology for the solidification and stabilization of the waste sludge.
3차원 컴퓨터 그래픽 기술을 이용한 KONUS 내관의 설계와 제작
김인섭,김병오,유관희,강동완,Kim, In-Sup,Kim, Byung-Oh,Yoo, Kwan-Hee,Kang, Dong-Wan 대한치과보철학회 2000 대한치과보철학회지 Vol.38 No.4
A fabrication method of inner and outer crown using CAD/CAM is presented. The information of abutment teeth is transferred to a computer through a 3-dimensional scanner. A Konus inner and outer crown is designed on a computer and a real crown is machined based on this design using CAM. This method can save laboratory time and reduce inaccuracies compare to conventional casting procedure. A stone model with six prepared abutment teeth from a patient was used in this study. Three dimensional information from the model was transferred to a computer using a contact type 3-dimensional scanner with a $25{\mu}m$ accuracy. All margins were identified on a computer image where there is a change in surface taper of a model. To provide a cement space, the image of a inner sur face of a Konus inner crown was duplicated $25{\mu}m$ apart from the surface of a prepared abutment teeth image. The cement space was $20{\mu}m$ at the cervical margin. All Konus crowns were machined with a $10{\mu}m$ accuracy. It was concluded that this method can reduce working-time for the laboratory process and increase accuracy. A further research is required to make a simplified process for a more complex prosthesis.
실내 열환경 쾌적 조성 및 에너지 효율 극대화를 위한 지능형 재실자 활동량 산출모델 개발
최은지(Eun Ji Choi),이광호(Kwang-Ho Lee),박보랑(Bo Rang Park),최영재(Young Jae Choi),홍성협(Sung-Hyup Hong),문진우(Jin Woo Moon) 대한설비공학회 2019 대한설비공학회 학술발표대회논문집 Vol.2019 No.-
본 연구는 실내 열환경의 쾌적 요소 중 하나인 재실자의 활동량(Metabolic rate, MET)을 산출하기 위한 지능형 MET 산출모델을 개발하는 것을 목적으로 한다. MET 산출모델 개발을 위해 딥러닝을 적용하였으며 재실자의 실내 활동 이미지 상의 인체 관절 좌표를 학습하여 MET를 출력한다. MET 산출모델 개발은 총 3단계로 진행되었다. 1) 학습 이미지 데이터 구축, 2) 모델 구조 설정 및 학습, 3) 학습 성능 평가. 학습 결과, MET 산출모델의 최적 구조는 14개의 인체 주요 관절 좌표 (x,y) 값을 입력 받는 입력층, 4개의 은닉층 및 1개의 출력층으로 구성되며 최적 모델의 MET 산출 정확도는 82.03%이다. 결과적으로 MET 산출모델의 개발을 통해 실내 재실자의 MET 측정 가능성 확인 및 PMV 제어 기반을 마련하였다.
청심온담탕(淸心溫膽湯)의 효능(效能)에 관(關)한 문헌적(文獻的) 고찰(考察)
김인섭,신길조,조기호,김영석,배형섭,Kim, In-Sup,Sin, Gil-Jo,Jo, Gi-Ho,Kim, Yeong-Seok,Bae, Hyeong-Seop 대한한방내과학회 1992 大韓韓方內科學會誌 Vol.13 No.1
In order to study oriental medical literature and clinical effects of Chungsimondamtang, the experiments of analgesic action, sedative action, anticonvulsive action, action on the isolated ileum, action on the circulatory system and hyperlipidaemia were observed. The results were as follows: 1. The analgesic effects were significantly noted. 2. The prolongaton of hypnotic time was noted. 3. The inhibitory effects on the convulsion induced by strychnine, picrotoxin and caffeine were significantly recognized. 4. The spontaneous momentum of isolated ileum was evidently inhibited, and recognized anti Ach. and anti Ba. effects. 5. The effects of descending blood pressure in normal rats and anesthetized rabbits were strongly recognized. 6. The effects of inhibition on the increase of TG. and TC. levels in hyperlipidaemia rats induced by Triton WR-1339 was significantly recognized. 7. The effects of inhibition on the increase of TG. and TC. levels in hyperlipidaemia rats induced by 75% fructose was significantly recognized. With the genelalization of the above-mentioned experimental results, literatual and clinical effects of Chungsimondamtang were approximate to actual experimental results.
김인섭,강동완,Kim In-Sup,Kang Dong-Wan 대한치과보철학회 2002 대한치과보철학회지 Vol.40 No.1
This study was to evaluate the fabrication method and marginal adaptation of the conical inner crown fabricated with CAD/CAM. The informations on abutment teeth were transferred to a computer with a micro contact digitizer, which had a $50{\mu}m$ accuracy on the master die. A conical inner crown was designed on a computer and a real crown was machined based on this design using CAM. The marginal fit of a computer-machined conical inner crown was assessed using electron microscopy Measurement of the marginal gap between the conical inner crown and the abutment was performed on four different locations (mesial, distal, buccal, and lingual surfaces) of the finish line. The evaluation was based on 10 test specimens. The results were as follow. 1 The mean marginal gap between the conical inner crown and abutment tooth was $83.2{\pm}43{\mu}m$, 28.9% of the specimen showed marginal gap over $100{\mu}m$. 2. The fabrication method using CATRS and CAM provided clinically acceptable marginal fitness compared to conventional casting method (P<0.05).