• Title/Summary/Keyword: BAT1

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Ca2+ Uptake of the Sarcoplasmic Reticulum-Microsome of Fine Structure Pectoralis Major Muscle in the rabbit and the Korean Greater Horseshoe Bat* (토끼와 한국관박쥐 대흉근의 근소포체 마이크로솜의 Calcium Uptake에 관한 연구)

  • 오영근;양원석
    • The Korean Journal of Zoology
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    • v.38 no.1
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    • pp.10-19
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    • 1995
  • 동면동물인 한국관박쥐(Korean greater horseshoe bat)와 비롱면 롱물인 토끼의 근소포체가 지니는 생리 및 근조직의 형태적 특징을 비교해 보고자 본 실험을 수행하여 다음과 같은 결론을 내렸다 Caffeine과 Mgcl2는 농도별로 처리하고, p연와 온도에 변화를 주는 등 각각의 생리조건하에서 한국관박쥐와 토끼 대흉근 근소포체 마이크로솜의 C32' 흡수정도가 다르게 나타났으며, Ca2'ATPase 활성 역시 상이함을 보였는데. 이로 미루어 보아 in vivo 상태에서 두 동물의 근소포체가 지니는 생리적 특성에 차이가 있을 것으로 추측된다. 형태학적 측면에서도 근심유의 수기와 미토콘드리아의 크기에 있어서 뚜렷한 차이를 발견할 수 있었는데. 이는 두 동물의 대흉근이 수행하는 운동의 종류와 관련이 있을 것으로 생각된다.

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Virtual Data Generation Method based on Simulation to Improve Accuracy of Computer Vision (컴퓨터 비전 정확도 향상을 위한 시뮬레이션 기반 가상 데이터 생성기법)

  • Kang, Ji-Su;Choi, Chang-Beom;Jang, Han-Eol
    • Annual Conference of KIPS
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    • 2022.11a
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    • pp.390-392
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    • 2022
  • 기계학습 분야에서 모델을 학습시키려면 많은 양의 데이터가 필요하다. 최근에는 컴퓨터 비전 분야에서 데이터가 적은 환경에서 모델을 학습하는 다양한 방법들이 소개되고 있다. 하지만 대부분의 방법을 사용하기 위해서는 어느 정도 최소한의 학습 데이터가 필요하기 때문에 극심하게 데이터가 부족한 환경에서는 사용하기 어렵다. 본 논문에서는 컴퓨터 비전 분야에서 기계학습을 사용할 때 극심하게 데이터가 부족한 환경에서 시뮬레이션 도구를 활용한 인조 데이터 생성 방법을 제안한다. 실험 결과를 통해 시뮬레이션 도구를 활용하여 생성한 인조 데이터로 학습한 모델이 실제 데이터만을 학습한 모델을 대체할 수 있음을 확인하였고, F-1 점수와 정확도가 향상함을 실험적으로 확인하였다.

Comparative Analysis of Best Available Techniques Reference Documents on the Fertilizer Manufacture between Korea and European Union (비료제조업의 국내와 EU 최적가용기법 기준서 비교·분석)

  • Seo, Kyungae;Kim, Gahee;Kim, Eunseok;Seok, Heejeong;Shin, Sujeong;Kim, Younglan;Kang, Philgoo
    • Journal of Environmental Science International
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    • v.29 no.3
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    • pp.307-318
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    • 2020
  • The integrated permit system is applied to class 1 and 2 atmospheric and water pollutant discharge facilities in 19 sectors. The fertilizer sector should receive a permit for a period of four years, from 2019 to 2023. The purpose of this study is to investigate the differences between the Korean Best Available Techniques (BAT) reference document (K-BREF) and the European Union BAT reference document (EU-BREF) in terms of the process and emission characteristics of fertilizer manufacture. K-BREF is written by focusing on products, whereas EU-BREF is produced on focusing on manufacture process. There are five types of BATs(best available techniques economically achievable) in Korea. These BATs selected mainly to recover and reuse raw meterials and save energy. The number of BATs and BAT-AELs(BAT associated emission level) in K-BREF is smaller than that in EU-BREF. We suggest that BATs and those environmental management parameters in Korea need to further reflect the emission characteristics in the fertilizer sector.

Study on Policies for Integrated Pollution Prevention and Control (통합적 환경관리의 정책적 도입방안에 관한 연구)

  • Han, Sang-Woon
    • Journal of Environmental Policy
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    • v.8 no.4
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    • pp.149-169
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    • 2009
  • Integrated Pollution Prevention and Control(IPPC) has become an idealistic environmental prevention concept in developed countries and corresponds with principles of Industrial Ecology. The concept of emissions regulatory integration is a key factor for an integrated environmental management system. While most EU member countries have a cross-media regulatory system, Korea has a media-specific regulatory system which was found to have significant environmental management problems. The purpose of this study is to integrate the emissions regulatory system by resolving difficulties through procedural, organizational, and substantive analysis of integration. To this end, the following research was performed: The first task was to determine the target of the integrated emissions regulatory system. In connection with this, the "IPPC directive" of the EU and the "PPCA 2000" schedule 1 of the UK, as well as environmental laws in Korea were compared and analyzed. The second was to design a regulatory system model. This model was divided into three groups after considerations were made regarding the time it would take for the pre-application,application, and permission stages. Lastly, on the basis of this research, a revised bill for an integrated emissions regulatory system was suggested. Nevertheless, substantive analysis of integration focused on BAT requires supplementation in order to make the integrated emissions regulation system operate normally as an environmental management policy and regulation method. To this end, the specific characteristics of Korean society, culture, and law should be actively considered.

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Preparation and electrical properties of thick PZT films deposited on alumina substrates with Ag-Pd electrodes and Pt plates by spin-on process (Ag-Pd/알루미나 및 Pt전극에 스핀온 방법으로 제조된 PZT후막의 전기적 특성)

  • Cho, Hyun-Choon;Yoo, Kwang-Soo;Baik, Hion-Suck;M. Troccaz;D. Barbier
    • Journal of the Korean Crystal Growth and Crystal Technology
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    • v.7 no.2
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    • pp.309-314
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    • 1997
  • The electrical properties of thick PZT films deposited on Ag-Pd/$Al_2O_3$ and Pt electrodes were carefully investigated according to the annealing methods and the sub-strates. For electrical properties measurements, silver was deposited on PZT films as top electrode. The crystallogaphic structure of the films was examined by standard X-ray diffraction method to determine which crystalline phase was present. Dielctric constant was measured at 1 kHz, 10 mV by using a HP4284A. The electrical properties of PZT films with 3 wt% PbO addition were not improved. It was also found that the Ag-Pd layer has a good possibility as electrode instead of Pt. It seems clear from the present experiments that the thick PZT films having the good electrical properties can certainly be obtained using spin on technique combined with rapid thermal annealing.

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General Patterns in Echolocation Call of Greater Horseshoe Bat Rhinolophus ferrumequinum, Japanese Pipistrelle Bat Pipistrellus abramus and Large-Footed Bat Myotis macrodactylus in Korea (한국에 서식하는 곤박쥐 Rhinolophus ferrumequinum, 집박쥐 Pipistrellus abramus, 큰발윗수염박쥐 Myotis macrodactylus의 반향정위 형태)

  • Chung, Chul-Un;Han, Sang-Hoon;Lim, Chun-Woo;Kim, Sung-Chul;Lee, Hwa-Jin;Kwon, Yong-Ho;Kim, Chul-Young;Lee, Chong-Il
    • Journal of Environmental Science International
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    • v.19 no.1
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    • pp.61-68
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    • 2010
  • In this study, we analyzed the pulse-duration, pulse-interval and peak-frequency of echolocation call in three species as Rhinolophus ferrumequinum, Pipistrellus abramus, and Myotis macrodactylus. The peak frequency and pulse duration for above mentioned species were 69 kHz, 47 kHz and 49 kHz and $69.39{\pm}8.76\;ms$, $4.95{\pm}0.77\;ms$ and $3.09{\pm}0.48\;ms$ for R. ferrumequinum, P. abramus and M. macrodactylus, respectively. The pulse intervals for R. ferrumequinum, P. abramus and M. macrodactylus were $103.61{\pm}9.05\;ms$, $67.59{\pm}3.47\;ms$ and $66.35{\pm}4.96\;ms$, respectively. The pulse pattern of R. ferrumequinum was setting into a short FM call and linked to long CF call and went through the short FM call again. The pulse pattern of M. macrodactylus was comprised with serial short FM call and the CF call was not checked up in accordance with the spectrogram analysis. The long FM call and short CF call got join together for the P. abramus and the peak frequency was checked up at the pulse ending as CF call.

Molecular identification of fruit bats, natural host of Nipah virus in Bangladesh, based on DNA barcode

  • Md. Maharub Hossain Fahim;Walid Hassan;Afia Afsin;Md. Mahfuzur Rahman;Md. Tanvir Rahman;Sang Jin Lim;Yeonsu Oh;Yung Chul Park;Hossain Md. Faruquee;Md. Mafizur Rahman
    • Journal of Ecology and Environment
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    • v.48 no.2
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    • pp.163-172
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    • 2024
  • Background: Fruit bats are natural carriers of Nipah virus (NiV). The primary objective of this study is to identify potential reservoir species in a selected geographic regions. It is necessary to determine an accurate species identification of the associated reservoir bat species distributed in a specific region. Results: In this study, we collected 20 different bat specimens from the NiV-prone area of the Kushtia district. Among these, 14 were tissue samples (BT-1-14) and six were fecal samples (BF-1-6). We used the mitochondrial gene cytochrome b, one of the most abundant and frequently used genetic markers, for polymerase chain reaction amplification and sequencing. Out of the 20 samples, 12 tissue samples and 2 fecal samples were successfully amplified and sequenced. However, two tissue samples and four fecal samples yielded chimeric sequences, rendering them unsuitable for annotation. The sequences of the successfully amplified samples were compared to those deposited in the National Center for Biotechnology Information database using basic local alignment search tool to identify the bat specimen collected. The study identified six different bat species using both morphological and genetic data, which may carriers of the NiV. Conclusions: Our results suggest that additional research should be conducted to gather more information on fruit bats from different localities across the country. The study contributes to the establishment of appropriate measures for NiV carrying disease control and management.

Bayesian estimation of the Korea professional baseball players' hitting ability based on the batting average (한국프로야구 선수들의 타율에 기반된 타격 능력의 베이지안 추정)

  • Cho, Yong Ju;Lee, Kwang Ho
    • Journal of the Korean Data and Information Science Society
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    • v.26 no.1
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    • pp.197-207
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    • 2015
  • In baseball game, the hitting ability of batter is frequently assessed by a batting average, a run batted in, a home run, a run scored, an on-base percentage, etc. Recently, more comprehensive indicators such as OPS, ISO, SECA, TA, RC and XR are often used. But, these measures generally shows large deviations since they are calculated from the data for a certain period of time, and they are not an estimate of a population parameter, either. In this paper, we will presume the pure hitting ability of the korea professional baseball players as a parameter which is depend upon at bat. We will estimate the parameter by using the Bayesian method.

Elemental analysis of the liver, kidney, and intestine tissues from a Hodgson's bat (Myotis formosus tsuensis)

  • Yu, Hee Jeong;Kang, Jung-Hoon;Lee, Seungwoo;Choi, Yu Jung;Oh, Dayoung;Lim, Jong-Deock;Ryu, Doug-Young
    • Korean Journal of Veterinary Research
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    • v.56 no.1
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    • pp.51-52
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    • 2016
  • Hodgson's bats are critically endangered in South Korea. This study analyzed the concentrations of elements in liver, kidney, and intestine tissues from a Hodgson's bat found dead in the wild. The concentrations of essential elements followed the order Fe > Zn > Cu > Mn > Se in the three tissues. Hg was detected at the highest concentrations among the non-essential elements analyzed in the liver and kidney tissues, while As was the most highly concentrated non-essential element in the intestine. To the best of our knowledge, this is the first study of tissue element concentrations in Hodgson's bats.

A Study Of the Construction Management Applied to BAT Korea Factory Construction Project in Korea (BAT Korea Factory 건설 프로젝트의 CM 적용사례 연구 - Cost Management 사례를 중심으로 -)

  • Kim Duk-Kon;Kwon O-Kyung;Kim Jong-Hoon
    • Proceedings of the Korean Institute Of Construction Engineering and Management
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    • autumn
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    • pp.48-57
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    • 2003
  • BAT Korea's Factory is the one of the major projects that clearly confirms and demonstrates that Construction Management (CM), provided by a Korean CM Company to the foreign clients, enables them to successfully complete projects; with savings in time and reduction in cost, which it is $15\%$ lower than the cost of the overseas construction. Also, throughout the thorough schedule management, it was possible to commence with manufacturing one month after the completion date. The Key Success Factors was generated by the excellent construction management skills, and more importantly by the confidence gained by the client in giving a CM company full authority for the construction management of the project. This study has focus on elements of construction management applied to this project throughout the concept of 'One Stop Shop', including cost managements, contract management and value engineering etc. We hope that this study will provide useful data to enable public clients to take advantages of construction management, in a similar way to. the private clients, who have already implemented CM actively.

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