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심재헌,김문준,박재흥,양선웅,장훈,Shim, Jae-Hun,Kim, Moon-Joon,Park, Jae-Heung,Yang, Sun-Woong,Chang, Hoon 대한전자공학회 2003 電子工學會論文誌-SD (Semiconductor and devices) Vol.40 No.11
본 논문에서는 완벽한 고장 효율을 보장하는 제어 회로를 위한 효율적인 비주사 DFT(design for testability) 기법을 제안한다. 제안된 비주사 DFT 기법은 순차 회로 모델이 아닌 조합 회로 모델에 대하여 ATPG(automatic test pattern generation)론 수행함으로써 짧은 테스트 패턴 생성 시간과 항상 완벽한 고장 효율을 보장한다. 본 논문에서 제시된 기법은 완전 주사 기법 및 기존의 비주사 DFT 기법들과 비교하여 적은 면적 오버헤드를 가지며 테스트 패턴을 칩의 정상동작속도로 인가할 수 있고, 또한 테스트 패턴의 재배열과정을 통해 테스트 패턴을 최소한의 시간으로 인가할 수 있도록 하였다. 제안된 기법의 효율성을 검증하기 위해 MCNC'91 FSM 벤치마크 회포들을 이용하여 실험을 수행하였다. In this paper, an efficient non-scan design-for-testability (DFT) method for controller circuits is proposed. The proposed method always guarantees a short test pattern generation time and complete fault efficiency. It has a lower area overhead than full-scan and other non-scan DFT methods and enables to apply test patterns at-speed. The proposed method also shortens the test application time through a test pattern re-ordering procedure. The efficiency of the proposed method is demonstrated using well known MCNC'91 FSM benchmark circuits.
심재헌(Jae Hun Shim),국준희(Joon Hee Gook),장인호(In Ho Chang),손정민(Jung Min Sohn),성신우(Sin Woo Seong),지병훈(Byung Hoon Chi) 대한비뇨기종양학회 2021 대한비뇨기종양학회지 Vol.19 No.2
Microbiomes are known to have a beneficial effect on human health by promoting the effective removal of improperly functioning immune cells and protecting the host from pathogen infection. On the other hand, these microbiomes are also known as the causative agent of numerous malignant tumors. Until now, the bladder has been regarded as aseptic, but the concept of the “sterile bladder” has been changed with the discovery of living bacteria embedded in the bladder with the recent development of polymerase chain reaction and culture techniques. This paper referred to the relationship between microbiome and bladder cancer. Microbiome will be able to be seen as a non-invasive biomarker to predict the success rate of intravesical bacillus Calmette-Guerin instillation treatment in patients of bladder cancer.
고속 IP 교환망에서 효율적인 레이블 관리 방식에 관한 연구
심재헌 ( Jae Hun Shim ),장훈 ( Hoon Chang ) 한국정보처리학회 2004 정보처리학회논문지 C : 정보통신,정보보안 Vol.11 No.4
In this paper, we present the flow aggregation method and the FLTC(flow lasting time control) algorithm to reduce the number of flows and solve the scalability problem in high speed IP switching networks. The flow aggregation based on the destination address could reduce the total number of flows, improve the label efficiency, and increase the total amount of the switched packets. The FLTC algorithm also eliminates the waste of label by deleting the flow binding efficiently. With the traces of real Internet traffics, we evaluate the performance of these schemes by simulation. The label efficiency, the average number of label used, and the percentage of packets switched and the number of packets switched are used as performance measures for this simulation.
한승철,이학영,서을원,심재헌,이종은,Han, Seung-Cheol,Lee, Hak-Young,Seo, Eul-Won,Shim, Jae-Hun,Lee, Jong-Eun 한국생명과학회 2007 생명과학회지 Vol.17 No.8
2005년 5월부터 2006년 3월까지 안동호와 임하호의 어류상과 서식하는 어종인 끄리(Opsariichthys uncirostris amurensis), 백조어(Culter brevicauda) 그리고 치리(Hemiculter eigenmanni)의 길이-무게 상관관계에 관한 조사 결과를 실시하였으며 결과는 다음과 같다. 조사된 어류는 안동호와 임하호 각각 7과 20종 2,540개체, 4과 11종 850개체였으며, 끄리, 백조어, 치리의 개체수는 안동호에서 총 486개체, 임하호에서는 총 124개 체로 조사되었고, 이들 공서 어류는 길이가 비슷한$({\pm}2.5$ mm) 171개체를 비교하였다. 안동호에 서식하는 끄리, 백조어, 치리의 길이-무게 상관관계식은 각각 TW = $0.000007TL^{3.0543}$, TW = $0.0000009TL^{3.3654}$, TW = $0.000001TL^{3.3872}$로 나타났으며, 임하호에서는 각각 TW = $0.00002TL^{2.8493}$, TW = $0.00001TL^{2.8744}$, TW = $0.000004TL^{3.1082}$로 나타났다. 비대지수에서는 안동호에서는 3종 모두 기울기가 양의 값으로 영양상태가 양호한 것으로 나타났으나, 임하호에서는 치리를 제외한 2종에서 기울기가 음의 값을 나타내어 영양상태가 좋지 않은 것으로 나타났다. 상대적 비대지수를 알아본 결과 끄리와 백조어에서 안동호의 개체가 임하호의 개체보다 비대한 경향을 보였으며, 치리는 임하호의 개체가 더 비대한 것으로 나타났다. The number of investigated fish collected from the Andong and the Imha reservoir were 2,540 individuals 20 species belonging to 7 families, 850 individuals 11 species belonging to 4 families respectively from May 2005 to March 2006. The total number of the common 3 species individuals investigated caught from the Andong reservoir and the Imha reservoir were 486 individuals and 124 individuals respectively. The investigated individuals is similar(${\pm}2.5$ mm) to 171 individuals make a comparative study. The Opsariichthys uncirostris, Culter brevicauda, Hemiculter eigenmanni of length-weight relationship were TW = $0.00007TL^{3.0543}$, TW = $0.0000009TL^{3.3654}$, TW = $0.00000^{3.3872}$ in the Andong reservoir and TW = $0.00002TL^{2.8493}$, TW = $0.00001TL^{2.8744}$, TW = $0.000004TL^{3.1082}$ in the Imha reservoir respectively. The Condition factor(K) of the Andong reservoir showed the positive slopes in all three species and to be in a good nutrition condition; where as the condition factor(K) of the Imha reservoir showed the negative slopes in two species except in H. eigenmanni and appeared to be in a little bad nutrition condition. Relative condition factor(Kn) indicating that O. uncirostris and C. brevicauda in Andong reservoir is more rotund than ones of Imha reservoir but H. eigenmanni in the Imha reservoir is more rotund than the ones of the Andong reservoir.
안동호의 어류상과 9개 어종의 길이-무게 상관관계에 관한 연구
한승철,이학영,서을원,심재헌,이종은,Han, Seung-Cheol,Lee, Hak-Yeong,Seo, Eul-Won,Shim, Jae-Hun,Lee, Jong-Eun 한국생명과학회 2007 생명과학회지 Vol.17 No.7
The fish fauna and weight-length relationship in Andong reservoir were investigated from May 2005 to March 2006. During surveyed period, 2,540 individuals 20 species belonging to 7 families were collected. Dominant species were Hemibarbus labeo(19.6%) and sub-dominant species were Carassius cuvieri (19.2%). The korea endemic species were Hemiculter eigenmanni(7.1%), Squalidus chankaensis tsuchigae (0.1 %), Corroperca herzi (0.1 %) and introduced fishes were Carassius cuvieri (19.21 %) Lepomis macrochirus (4.2%), Micropterus salmoides (0.2%). Dominace, species diversity, species richness, species even-ness were 0.39, 3.16, 2.42, 0.73 respectively. The values of the exponent b in the weight-length relation-ship $W=aL^{b}$ ranged from 2.9162(H. labeo, $R^{2}$=0.9567) to 3.2509(Zacco pla쇼pus, $R^{2}$=0.9928) and the median value was 3.1079, whereas 50% of the values ranged between about 3.05 to 3.20. The Condition factor(K) showed good state of health in the surveyed species (excepts H. labeo and Cyprinus carpio). 2005년 5월부터 2006년 3월까지 6회에 걸쳐 안동호에 서식하는 주요어종의 어류상과 길이-무게 상관관계를 조사한 결과는 다음과 같다. 본 조사에서 확인된 어류는 총 7과 20종2540개체였으며, 우점종은 누치 (Hemibarbus labeo, 19.6%), 아우점종은 떡붕어(Carassius cuvieri, 19.2%)로 나타났다. 한국고유종은 치리(Hemiculter eigenmanni, 7.1%), 참몰개(Squalidus chankaensis tsuchigae, 0.1%), 꺽지 (Coreoperca herzi, 0.1%) 등 3종, 외래어종은 떡붕어(Carassius cuvieri, 19.21%), 블루길(Lepomis macrochirus,4.2%), 베스(Micropterus salmoides, 0.2%)3종으로 나타났으며, 우점도는 0.388, 종다양도 3.159, 종풍부도 2.423, 균등도는 0.730이었다. 주요 출현어종 9종에 대한길이-무게 상관관계식에서 피라미(Zacco platypus, 3.2509, $R^{2}$= 0.9928)가 가장 높은 성장도를 나타냈으며, 누치(H. labeo, 2.9162, $R^{2}$ = 0.9567)가 가장 낯은 성장도를 나타냈다. 각 어종에 패한 비대지수에서는 누치( H. labeo)와 잉어(Cyprinus carpio)를 제외한 7개 어종에서 기울기가 양의 값으로 나타나 건강상태가 비교적 양호한 것으로 확인되었다. 각 어종에 대한 길이-무게 상관관계에서 매개변수 b의 값의 평균은 3.1079로 성장상태가 매우 양호한 것으로 확인되었다.
일반품질연구 : 창의적인 식품 개발에 있어서 SIT의 효과성에 관한 연구-H사의 신제품을 중심으로-
허건 ( Keon Heo ),송해근 ( Haegeun Song ),심재헌 ( Jae Hun Shim ),박영택 ( Young Taek Park ) 한국품질경영학회 2016 품질경영학회지 Vol.44 No.1
Purpose: This study aims to investigate the effect of product creativity on the financial performance of new product in the food industry. In addition, the applicability of creative thinking method for the development of creative new food product is examined. Methods: In this study, OPA(Originality-Practicality Analysis) method is applied to evaluate the creativity of 32 new food products of ``H`` food company in Korea. Effects of product creativity on the financial performance are analyzed using t-test and logistic regression analysis. In order to examine the applicability of SIT(Systematic Inventive Thinking) for the new product development process, each subject are classified according to five SIT tools. Results: The product group belongs to creative area(CA) shows the highest financial performance among the quadrants of OPA matrix. The products are divided into two groups whether the product can be classified by SIT tools or not. The products belonged to SIT group show higher creativity than non-SIT group. Conclusion: From the result, it can be concluded that product creativity has effect on the financial performance of the new food products, and SIT can be used as a powerful tool in developing creative new food products.
전통발효유 타락의 면역세포 증식 및 멜라닌 생성에의 효과
김소영(Soyoung Kim),최유미(Yumi Choi),이희라(Heera Lee),박지수(Jisoo Park),한영숙(Young-Sook Han),고성희(Seong-Hee Ko),장성식(Sung-Sik Jang),김수아(Soo-A Kim),심재헌(Jae-Hun Shim),윤현근(Hyungeun Yoon) 한국식품영양과학회 2015 한국식품영양과학회지 Vol.44 No.11
시판 막걸리에서 분리한 균주(Lactobacillus paracasei ssp. paracasei M13-65-3)로 타락을 제조하였다. M13-65-3 균주를 이용하여 제조한 타락 추출물에 의하여 T lymphocyte인 Jurkat 세포의 증식이 촉진되었고 피부세포의 멜라닌 생성이 억제되었다. 본 연구의 결과는 타락이 면역 증강 기능성과 피부색소 조절 기능성을 보유할 가능성을 제시하고 있다. Tarak is a Korean traditional fermented milk product that is fermented by adding rice wine to milk. Tarak was produced with Lactobacillus paracasei ssp. paracasei M13-65-3 isolated from rice wine, and its effects on immune cell proliferation and melanin biosynthesis were investigated. Tarak extract significantly increased proliferation of T lymphocyte Jurkat clone E6-1 cells at concentrations from 10 to 100 μg/mL. Tarak inhibited activities of tyrosinase and α-melanocyte-stimulating hormone-induced melanin biosynthesis in mouse skin B16-F10 cells at a concentration of 100 μg/mL. These results suggest that tarak might have functionalities for enhancing the immune system by increasing immune cell proliferation and regulating melanin biosynthesis.