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In this paper, we propose an MEMS-IMU Based 10<SUP>th</SUP> order DR/GPS integrated system. Existing low cost MEMS based INS/GPS integrated systems are not applicable to autonomous vehicle localization that needs navigation error under 3m. To improve the performance of the MEMS based navigation system, odometer based DR/GPS formulation was proposed. By substituting MEMS accelerometer to odometer, velocity and position errors of navigation solution are reduced. The proposed method is tested for a land vehicle in urban area including GPS outage section. The experimental results show that the proposed method reduced the navigation error in the GPS outage section than MEMS INS/GPS system.
Myung,Ah,Lee,Jae,Ho,Byun,Byoung,Young,Shim,In,Sook,Woo,Jin,Hyung,Kang,Young,Seon,Hong,Kyung,Shik,Lee,Myung,Gyu,Choi,Suk,Kyun,Chang,Seong,Taek,Oh,Sung,Il,Choi,Doo,Suk,Lee 대한내과학회 2005 The Korean Journal of Internal Medicine Vol.20 No.3
Background: Irinotecan, in combination with 5-fluorouracil (5-FU) and a high dose of leucovorin (LV), known as FOLFIRI regimen, has shown activity in recurrent or metastatic colorectal cancer. Therefore, we evaluated the efficacy and safety of irinotecan
최근 cytokine의 생물학적 활성이 골대사와 중요한 관련이 있다는 연구가 이루어지고 있으며, interleukin-1β (IL - 1β)와 tumor necrosis factor α (TNFα)는 골흡수를 촉진시키며 골형성을 억제하는 물질로 알려져 있다. 또한 최근 TNFα에 의해 유도된 골흡수가 interferon γ(INFγ)와 dexamethasone에 의해 억제되며, 부갑상선호르몬과 transforming growth factor β에 의해 증가된다는 보고가 있다. 따라서 본 연구에서는 IL-1β, TNFα와 INFγ등 수종의 cytokine이 마우스 골수세포로부터 파골세포의 형성에 미치는 영향을 관찰하고자 하였다. Cytokine이 파골세포 형성에 관여하는지 알아보기 위하여 마우스 골수세포를 분리하여 10 nM 1,25-dihydroxyvitamin D_3 존재하에 IL_1β, TNFα와 IFNγ를 처치하여 배양하였다. 파골세포의 표지효소인 tartrate resistant acid phosphatase (TRAP) 조직 화학 검사를 시행하여 TRAP 양성 다핵세포를 파골세포로 판정하였다. 1 ng/ml의 IL-1β와 20 ng/ml의 TNFα를 처치한 경우 TRAP 양성 다핵세포의 수가 증가된 반면 500 U/ml의 IFNγ를 처치한 경우 억제되었다. 그러나 골수세포 배양시 TNFα와 IFNγ를 복합 처치한 경우 파골세포의 형성이 상승적인 증가를 나타내었다. 위의 결과 cytokine의 단독 처치는 IL-1β와 TNFα에 의해 파골세포 형성을 촉진시키거나 IFNγ에 의해 억제되는 반면, TNFα에 의한 파골세포 유사세포의 형성은 IFNγ에 의해 상승적으로 증가되었다.
Soybean (Glycine max L.) Kunitz trypsin inhibitor (KTI) protein is an antinutritional factor. The objective of this research was to confirm a SSR marker tightly linked to the Ti locus in four different F5 populations. Four female parents (Glycine max L. cv. Jinpumkong2, Hannamkong, GS06, 20M183) of TiTi (KTI protein present) genotype and one male parent C242 of titi (KTI protein absent) genotype were used. Four different populations of F2 plants free of KTI protein were advanced to the F5 generation. Satt228 marker analysis showed the four female parents had the allele 1 (AA genotype) while the C242 male parent has the allele 2 (BB genotype). In seed, four parents had KTI protein and C242 had not KTI protein of 21.5 kDa. A total of 391 F5 plants derived from the four crosses (273 plants from Jinpunkong2×C242, 17 plants from Hannamkong×C242, 45 plants from GS06×C242, and 56 plants from 20M183×C242) all have the allele 2 (BB genotype) for Satt228 marker. The 391 individual F6 seeds harvested from same individual F5 plants are also absent of the KTI protein. Complete cosegregation between the Satt228 marker allele and the Ti locus was observed in these four different populations.
This paper deals with the modeling of the voltage type converter as a rectifier in current-controlled mode of operation. With the aid of the local average concept and appropriate approximations based on practical design considerations, simplified system equations are derived. Then it is shown that an analytical approach to the system characteristics is possible by modeling the converter system with a linear model using the power, rather than the voltage or current, as a controlled variable. The analytical solution derived from the proposed linear model is compared with the experimental and simulation results to confirm the validity of the model and approximations made throughout the modeling procedure.<br/>
<P>Radar is a powerful tool for detecting and tracking airborne targets by day and night. Nowadays, noncooperative target recognition (NCTR) is considered an important subject. NCTR means technologies provide high-resolution target signatures and use them to make some decisions about the type of target that has been detected. Clearly, this function is performed with no cooperation from the target concerned, and it may even not be aware that its signature is being measured for recognition purposes . Jet engine modulation (JEM) - generated by the engine rotation in an aircraft has been used for radar-based NCTR purposes, along with high-resolution range profile and inverse synthetic aperture radar (ISAR) -. Recognition by JEM uses micro-Doppler features induced by a rotating jet engine compressor. The micro-Doppler is characterized by a time-dependent Doppler shift that is different from that caused by the target bulk motion.</P>
The harmonics of the induced voltage under load conditions cause the deterioration of the motor performance. It occurs when the peak value of the demand voltage exceeds the DC link voltage. In this paper, thus, to reduce the induced voltage harmonics under load conditions, an asymmetric rotor design method using the advanced inverse cosine function (AICF) is proposed. Using this method, the rotor shape is determined by considering the armature reaction under certain load condition. As a result, an improved concentrated flux synchronous motor (CFSM) achieving the required performance is designed. Lastly, the induced voltages waveforms of the proposed motors under the load conditions are compared through finite-element analysis (FEA) as well as experiments.