• Title/Summary/Keyword: SID2

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Evaluation of EuroSID-2 & WorldSID in Pole Side Impact (기둥측면충돌시험에서 EuroSID-2와 WorldSID 인체모형 평가에 관한 연구)

  • Kim, Dea Up;Woo, Chang Gi
    • Journal of Auto-vehicle Safety Association
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    • v.7 no.1
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    • pp.40-44
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    • 2015
  • In recent years, WorldSID dummy has been continuously developed and investigated to be a better represent biolfidelic ATD as well as a device for replacement of the current existing EuroSID-2. In Korea, the side impact accident is one of the major severe accidents in terms of numbers of accidents and fatality. Since 2003, 50kph 90degree side crash test has been initiated as a safety standard with EuroSID-1 at the first stage and also same time 55kph impact speed test has been conducted as a part of KNCAP program. Currently only EuroSID-2 is accepted as a regulatory tool for vehicle certification and KNCAP. In order to make use of WorldSID of KNCAP in the distant futuer the tests with WorldSID is conducted experimentally.

Effect of Changing the Side Impact Dummy from EuroSID-1 to EuroSID-2 in the KNCAP Side Impact Evaluation (EuroSID-1에서 EuroSID-2로의 인체모형 변경이 KNCAP 측면충돌안전성 평가에 미치는 영향 연구)

  • Lim, Jae-Moon;Jung, Geun-Seup
    • Transactions of the Korean Society of Automotive Engineers
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    • v.15 no.5
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    • pp.125-132
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    • 2007
  • In order to provide consumers with safety informations of vehicles according to the Korean New Car Assessment Program(KNCAP), the evaluation results and the star ratings of 21 vehicles for the side impact tests have been reported since 2003. Now, the KNCAP considers changing the side impact dummy from EuroSID-1 to EuroSID-2 near future. The rib deflection of EuroSID-2 is 20-30% higher than that of EuroSID-1 because of the removal of "Flat Tops" effect. In this study, the effect of changing the side impact dummy from EuroSID-1 to EuroSID-2 in the KNCAP side impact evaluation is estimated through the previous KNCAP evaluation results. The results show that the decrease of the star ratings would be one star($\bigstar$) approximately.

Injury Optimization Study of WorldSID and EuroSID2re under Pendulum Loadings (진자시험을 통한 EuroSID2 및 WorldSID 더미의 상해 최적화 연구)

  • K.S. Choi;K.S. Jeong;K.C. Kim;B.R. Ham
    • Journal of Auto-vehicle Safety Association
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    • v.6 no.1
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    • pp.41-47
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    • 2014
  • A new dummy has improved biofidelity from Fair to Good compare with EuroSID2re which is currently used for regulation tests and NCAP tests. Some instrumentation of each body region has been changed to measure the assessment of injury risk. The objective of this study is to find out the injury characteristic of each dummy and to calculate the relation between external force and injury for each dummy with pendulum tests. Finally, this study suggests the optimized external force to meet consumer tests. A new dummy named WorldSID for side impact will be introduced into EuroNCAP tests after 2015. Korea government is also planning to adopt WorldSID at KNCAP tests from 2017 and Global Technical Regulation (GTR) will also adopt WorldSID to oblique side pole crash.

Effects of different standardized ileal digestible lysine: net energy proportion in growing and finishing pigs

  • Lee, Ji Hwan;Lee, Sung Dae;Yun, Won;Oh, Han Jin;An, Ji Seon;Kim, In Ho;Cho, Jin Ho
    • Journal of Animal Science and Technology
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    • v.62 no.2
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    • pp.198-207
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    • 2020
  • This experiment was performed to evaluate the optimal proportion of dietary standardized ileal digestible lysine (SID Lys) to net energy (NE) proportion in growing to finishing pigs. A total of seventy-two pigs were used at phase 1 (initial body weight 37.23 ± 0.23 kilogram, for 42 d) and at phase 2 (initial body weight 54.16 ± 0.20 kilogram, for 77 d). They were arbitrarily assigned to three treatments groups consisting of four duplicates per treatment (six pigs in duplicates, respectively). Diet treatments were as follows: CON = basal diets (phase 1, crude protein (CP): 19.1%; SID Lys: 0.94%; SID Lys: NE proportion: 0.91 g/MJ / phase 2, CP: 17.0%; SID Lys: 0.84%; SID Lys: NE proportion: 0.79 g/MJ), TRT1 (phase 1, CP: 18.0%; SID Lys: 0.92%; SID Lys: NE proportion: 0.89 g/MJ / phase 2, CP: 15.8%; SID Lys: 0.8%; SID Lys: NE proportion: 0.75 g/MJ), TRT2 (phase 1, CP: 17.3%; SID Lys: 0.82%; SID Lys: NE proportion: 0.79 g/MJ / phase 2, CP: 14.8%; SID Lys: 0.7%; SID Lys: NE proportion: 0.65 g/MJ). In phase 1 and 2, growth performance did not meaningfully be affected when SID Lys: NE proportion decreased with reducing CP content. In phase 2, the nitrogen digestibility of CON group in 11 week was higher (p < 0.05) than other treatments. Also, marbling and firmness scores of TRT2 group diets increased (p < 0.05) compared with those of CON group, but dissimilarities of other meat qualities did not be detected among treatments. In conclusion, introduction of NE system can reduce negative problems introduced when dietary CP decreased. Also, 0.79 and 0.65 g/MJ of SID Lys: NE proportion is the optimal Lys: NE proportion to achieve improved pork quality without impairing the growth performance in growing-finishing pigs, respectively.

Design of Accident Situation ID Recording System using JPMP-SID Security Tag (보안 JPMP-SID Tag를 활용한 사고 상황 ID 기록 시스템 설계)

  • Choi, Jang-Sik;Choi, Sung-Yeol;Kim, Sang-Choon
    • Convergence Security Journal
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    • v.11 no.3
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    • pp.85-90
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    • 2011
  • JPMP SID Tag is the security senor tag to provides physical information protective function using sensor module, has impossible feature to copy and fake the data which is stored in the tag. So data which is stored in the JPMP SID Tag has authenticity, integrity, originality. Therefore JPMP SID Tag could be applied in the place where the security of data is demanded. This paper propose the system using the JPMP SID Tag to acquire and protect digital evidence where cause investigation of accident is necessary. Also, proposed systems is complement of software security with composition secondary control logic for JPMP SID tag access control.

Characterization of the bacteriophage P4 sid+ derivative overcoming P2sir-associated helper inefficiency through DNA conformational adaptation (DNA 형태 적응을 거쳐 P2sir-관련 도움파지 비효율성을 극복하는 박테리오파지 P4 sid+ 유도체 정성 연구)

  • Kim, Kyoung-Jin
    • Korean Journal of Microbiology
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    • v.52 no.1
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    • pp.120-124
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    • 2016
  • A certain size of DNA (28-29 kb long) to be packaged into P2-size head and the mutation in sid gene of bacteriophage P4 are the major factors to overcome "P2 sir-associated helper inefficiency". To clarify whether the presence of sid mutation is essential to overcome "P2 sir-associated helper inefficiency" or not, we tested the P4 derivative, P4 delRI::kmr, which is $sid^+$ and whose genome size supposed to be 28.5 kb long in the case of being packaged into $P2_{sir3}$-sized large head. As P4 delRI::kmr showed the low EOP with P2 sir3 lysogen, P4 delRI::kmr phage stock was prepared in P2 sir3 lysogen host to increase the EOP with P2 sir3 lysogen. Through this process, P4 delRI::kmr had been adapted for P2 sir3 lysogen. With a CsCl buoyant equilibrium density gradient experiment and gel electrophoresis of the isolated DNA, it was evident that the adaptation of P4 delRI::kmr for P2 sir3 lysogen was caused by the conformational change of DNA to be packaged into large head. The burst size determination experiments with P4 delRI::kmr phage stock adapted for P2 sir3 lysogen and normal P4 delRI::kmr phage stock showed that not the sid mutation but the size of DNA to be packaged (28-29 kb long) was essential to overcome "P2 sir-associated helper inefficiency".

Simulation Analysis for Comparison of WorldSID and ES-2re Dummy in Pole Side Impact Test Methods (기둥측면충돌시험법에서 WorldSID와 ES-2re 더미 안전성에 대한 해석적 연구)

  • Youn, Y.H;Han, W.;Choi, M.;Lee, E.;Kim, D.
    • Journal of Auto-vehicle Safety Association
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    • v.4 no.2
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    • pp.27-31
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    • 2012
  • In Korea, side impact type accidents are one of the main cause of fatality. MLTM and KATRI established sie impact regulation as well as NCAP type assessments to protect occupants. Recently, WP29 formed a informal group to study a possible harmonization of pole side impact test methods with WorldSID as a GTR. In this paper, two different dummies, ES-2 and WorldSID were evaluated with three different types of pole side impact test methods.

A study on development of the pole side impact sled test using WorldSID (WorldSID를 이용한 기둥측면 충돌 슬레드 시험 개발 방법 연구)

  • Oh, Hyungjooon;Kim, Seungki;Lim, Kyungho
    • Journal of Auto-vehicle Safety Association
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    • v.5 no.2
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    • pp.5-10
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    • 2013
  • The pole side crash caused fatal injury by comparison with other crash impact mode such as frontal and rear crash. EuroNCAP proposed the pole side crash test using WorldSID(World Side Impact Dummy). The objective of this study is to develop the pole side impact sled test using dummy rib deflection between crash and sled test. In the pursuit of this purpose, we fabricated new pole side sled buck and test preliminary pole sled using ES-2re. Through this, we found the sled acceleration pulse scale. Hardness and thickness of the EPP affects the rib deflection. We conducted the pole sled test using WorldSID based on the preliminary results. As a result, rib deflection was shown to correlate well between crash test and pole side sled test.

In Vitro Construction and Characterization of the Bacteriophage P4 Derivative, P4 sid71 cosP2, Containing the Bacteriophage P2 cos Region (박테리오파지 P2의 cos 지역을 함유하는 박테리오파지 P4 유도체인 P4 sid71 cosP2의 In vitro 조성과 정성 연구)

  • Kim, Kyoung-Jin
    • Korean Journal of Microbiology
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    • v.49 no.1
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    • pp.99-104
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    • 2013
  • Bacteriophage P2 sir mutants are inefficient helpers for their satellite bacteriophage P4. The term, "P2 sir-associated helper inefficiency" has been used to define this phenomenon and it has been suggested that the DNA sequence difference between the cos region of P2 and that of P4 is responsible. To test this hypothesis, P4 derivative phage, P4 sid71 cosP2, containing the cos region of P2 and sid71 allele was constructed through several in vitro DNA manipulation steps. Its burst size was determined using a one-step growth experiment. The results showed that the substitution of the cos region of P2 for the cos region of P4 in P4 sid71 cosP2 overcame "P2 sir-associated helper inefficiency". P4 sid71 cosP2 stock phages prepared with P2 wild type helper and P2 sir helper were analyzed using a CsCl buoyant equilibrium density gradient experiment. The results revealed that the phage particles containing three copies of the P4 genome were the predominant particles in both cases.

A Study of Changes in the Primary Dose Penetrating the Protective Apron on SID in X-ray Radiography (X선촬영에서 보호앞치마를 투과한 1차 선량의 SID별 변화)

  • Choi, Seong-Kwan
    • Journal of radiological science and technology
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    • v.39 no.4
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    • pp.501-507
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    • 2016
  • This study is to figure out the amount of primary X-ray generated in SID 50cm, 1m, and 2m penetrating protective aprons in X-ray radiography for hands, skull, and lumbar spine. Results are as follows: Firstly, the exposure dose of primary X-ray which is low such as that of hand X-ray may be reduced by 270 times if protective aprons are worn, but it still slightly penetrates 0.3mm thick Pb protective aprons at SID 50cm, 1m, and 2m. Secondly, the exposure dose of primary X-ray which is moderate such as that of skull X-ray may be reduced by 22 times if protective aprons are worn, but it still fairly penetrates 0.3mm thick Pb protective aprons at SID 50cm, 1m, and 2m. Thirdly, the exposure dose of primary X-ray which is very high such as that of lumbar spine X-ray may be reduced by 13 times if protective aprons are worn, but it still penetrates a lot 0.3mm thick Pb protective aprons at SID 50cm, 1m, and 2m. Therefore, people in X-ray room should not only wear protective aprons at any spaces that the primary X-ray can reach, but also need to stand behind the thick Pb shield to protect the body if it is inevitable to stay in the room.