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유동층반응기에서 MeO/NMD를 이용한 저농도 연소가능 오염물의 제거
박태성,정순관,윤재성,홍성창,도동섭 ( Tae Sung Park,Soon Kwan Jeong,Jae Sung Yun,Sung Chang Hong,Dong Sup Doh ) 한국화학공학회 1998 Korean Chemical Engineering Research(HWAHAK KONGHA Vol.36 No.5
For the removal of combustible pollutant gas at low concentration, the experiment about oxidation of CH₄, C_6H_6, C₂H_5OH, CO, was carried out using platinum, paladium-impregnated NMD(Natural Manganese Dioxide) in the fluidized bed reactor for several variables. At the same flow velocity the effect of particle size on conversion appeared most efficient in the size of 0.359 ㎜. The oxidation was excellent at low flow velocity and large aspect ratio because of the effect of residence time of reactant. Also the, noble metal-impregnated catalyst oxidated VOCs at more low temperature than catalyst without impregnation. For methane oxidation ability of PdO/NMD decreased in the reason that experimental temperature was so high that the structural transformation was caused.
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디지털 장비(FRA 510 S)를 활용한 한국 20대 정상 성인 균형능력 평가 및 지표 개발
박태성,김상훈,강종호,신명준,Park, Tae-Sung,Kim, Sang Hun,Kang, Jong-Ho,Shin, Myung-Jun 중소기업융합학회 2020 융합정보논문지 Vol.10 No.9
본 연구는 디지털 장비(FRA 510 S)를 활용하여 한국의 20대 정상 성인의 균형능력을 평가하고 균형지표를 만들고자 한다. 본 연구 참여자는 근골격계, 신경계 질환이 없는 20대 정상 성인 남녀 각각 50명씩 참여를 하였다. 데이터 분석은 반복측정 분산분석을 사용하였다. 본 연구 결과 남, 여 모두 평평한 바닥과 밸런스 패드(47cm×39cm×5.5cm)에서 눈을 뜨고 있을 때보다 눈을 감고 검사를 진행하였을 때 체중심의 이동이 많은 것을 확인하였다. 그리고 남, 여 성별에 따른 차이는 없었다. 추후 연구에서는 정상 노인의 균형능력을 평가하여 한국의 정상 성인의 균형지표를 만들고 균형능력이 손상된 환자 평가에 적용이 가능할 것이라고 생각된다.
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성견 발치와에 매식한 2종의 Bovine Bone Powder가 치유에 미치는 영향에 관한 조직학적 연구
박태성,임성빈,정진형,김종여,Park, Tae-Seong,Lim, Sung-Bin,Chung, Chin-Hyung,Kim, Jong-Yeo 대한치주과학회 2000 Journal of Periodontal & Implant Science Vol.30 No.3
Several extraction cases with advanced bone loss as a result of periodontal disease, root or labial bone fracture, extensive caries, and periapical lesions occur esthetic, functional problems and severe bone loss. Therefore, to treat these cases used several surgical methods and socket preservation among this therapies have been evaluated simple, effective and good prognosis in the implant placement. Socket preservation therapy have been used with barrier membranes or/and graft materials. Deproteinized bovine bone mineral have been evaluated ideal grafting materials. Recently, calcium-phosphate thin film coated bovine bone powders were developed in our country, but the study for these material wasn't reported. When two types of xenograft materials were implanted in extraction sockets of Beagle dogs, the effects of these were analyzed after 4 weeks and 8 weeks histological views. The results of this study were as follows. 1. In control groups, 4 weeks after implantation, the extraction sockets were filled with connective tissue which has dilated vessels and epithelial growth. And after 8 weeks, irregular connective bundles were observed. But new bone formation was not seen. 2. In Bio-Oss groups, epithelial growth was not seen and bone powder was covered with connective tissue fiber. New bone formation was found around the interproximal bone. There was no special change seen after 8 weeks, connective tissue fibers became more regular, and bone growth near bone powder was not made well. 3. In Ca-P BBP groups, epithelial cells didn't grow in the extraction sockets, there was a lot of new bone made around the bone powder after 8 weeks, new bone around bone powder was replaced with mature bone. It is thought that bone powder grafting into the extraction sockets is very useful for conservation of ridge, and Ca-P BBP is more effective in bone formation than Bio-Oss.
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박태성,홍성창 ( Tae Sung Park,Sung Chang Hong ) 한국공업화학회 1998 공업화학 Vol.9 No.2
In a fixed bed reactor, adsorption capacity of SO₂in simulated flue gases was investigated with NMO(natural manganese ore), composed of various metal oxides, iron ore and CuO/ γ-Al₂O₃ as adsorbents. The experiment carried out in a fluidized bed reactor with variables such as gas velocity, temperature and particle size. Iron ore was excluded in the fluidized bed reactor experiment for the lower adsorption capacity. The adsorption of SO₂ in metal oxide is a typical chemisorption because the adsorption capacity of all adsorbents increased with temperature. The effect of particle size on the adsorption capacity was varied with the ratio, U_0/U_mf and the difference of U_0- U_mf. U_0 is the gas velocity, U_mf is the minimum fluidization gas velocity. U_0/U_mf and U_0/U_mf explain the behavior of the gas and solids in the fluidized bed reactor. From the performance equation of the fluidized bed reactor, kinetic reaction rate constants were obtained by the non-linear least square method. The adsorption capacity of NMO proved the potential use of SO₂ adsorbents.
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19세기 후반 타슈켄트의 근대화 과정 -러시아식 오리엔탈리즘에 관한 일고찰-
박태성 ( Tae Sung Park ) 한국외국어대학교 러시아연구소 2012 슬라브연구 Vol.28 No.4
The purpose of this paper is clarifying the effectiveness of Russian Orientalism through the modernization of Tashkent in the second half of the 19th century. The Orientalism of E. W. Said -Orientalism as a Western style of dominating, restructuring, and having authority over the Orient- was prevalent in Russian society at that time, showing that the evidence is everywhere. But it must be noted that should not fall into the trap of generalization of Orientalism in the case of Russia for specificity. We first look the theories of Russian Orientalism, and then the civilizing work of the Russians in Tashkent from 1865 to the early 1890s. Finally, will be investigated what the boundaries of the city was destroyed by cholera riots that occurred in 1892, and how the Russian Empire reacted in the confusion of the East-West culture. Russian conquerors managed to Tashkent colonial community to make European society from the perspective of traditional Orientalism. But the methods for stabilizing unstable governing system were forced to take not coercive-predatory route but appeasement-gradual policy. Russian ruling class did not overcome the gap between religious conflict and pursued a policy of Russification through the educational and cultural means, but was not so effective. Traditional Orientalists transformed their Orientalism by the cholera riots. Because of admitting the reality of Muslims` ignored tradition and technology, the colonial policy of the Russians became contradictory. However, as soon as restoring of the social stability, artificial image for ``other`` was appeared and Russian settlers tried to recover authorities as the conqueror.Russian Orientalism shown in Tashkent was generally ``cultural`` and ``passive``. While Orientalists were trying to build an empire through knowledge and humanity, universality and cooperation, they had chosen a gradual method. Even so, the ultimate success is to knock down the walls of Europe and Asia and must assimilate truly, but Russia did not have the ability to do so. Their system ruled by bisecting Tashkent still showed Eastern nationalities with contempt and fear. Eventually, it seems that Russia`s cultural-passive policy would not be greatly effective to the modernization of Tashkent.
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